By IG Share Share The AVX-512 instruction set represents the pinnacle of x86 processing power, but its history is a complex tale of competing strategies, architectural trade-offs, and a surprising market reversal between Intel and AMD. For developers, researchers, and system architects, understanding this landscape is crucial for unlocking next-generation performance. Note: If you buy something from our links, we might earn a commission. See our disclosure statement. This definitive guide provides a comprehensive analysis of the entire AVX-512 ecosystem. We’ll deconstruct the instruction set, explore the turbulent history of its implementation on consumer chips, and compare the architectural approaches of Intel and AMD. Through interactive charts and filterable CPU lists, you’ll gain a deep understanding of real-world performance gains, the infamous “AVX tax,” and the strategic recommendations you need to make informed hardware and software decisions. AVX-512: The Definitive Interactive Guide | Faceofit.com Faceofit.com Introduction ISA Intel AMD Performance Strategy Deep Dive The Definitive Guide to AVX-512 From architectural nuances and performance benchmarks to a turbulent history and strategic adoption, this is the complete story of the x86's most powerful instruction set. What is AVX-512? The Advanced Vector Extensions 512 (AVX-512) instruction set represents the latest and most powerful evolution of Single Instruction, Multiple Data (SIMD) processing in the x86 architecture. By doubling the vector register width to 512 bits, AVX-512 offers a theoretical doubling of computational throughput for a wide range of parallelizable workloads, from high-performance computing (HPC) and artificial intelligence (AI) to financial analytics and data processing. At its core, AVX-512 is a built-in accelerator, designed to boost performance for demanding workloads without the cost and complexity of discrete hardware like GPUs. However, its power extends far beyond its 512-bit width. It introduces a comprehensive redesign of x86 vector processing, including an expanded set of 32 vector registers (ZMM0-ZMM31) and transformative "opmask" registers that allow for per-element conditional execution, making it possible to vectorize complex code with `if-then-else` logic without disruptive branching. A Tale of Two Implementations Intel's Native 512-bit Approach CPU Core Native 512-bit FMA Unit 1x 512-bit op / cycle Prioritizes peak theoretical performance with a wide, powerful execution unit. Early versions suffered from high power draw and clock throttling. AMD's "Double-Pumped" (Zen 4) CPU Core 256-bit Unit 256-bit Unit 1x 512-bit op / 2 cycles Prioritizes power efficiency by using existing 256-bit hardware. Avoids the "AVX tax" while providing most of the architectural benefits. The Consumer Conundrum: Intel's Alder Lake The 12th Gen "Alder Lake" architecture introduced a hybrid design that ultimately led to AVX-512's removal from consumer chips. P-Core (AVX-512 Supported) E-Core (No AVX-512) AVX-512 Thread OK ✅ CRASH ❌ OS Scheduler's Dilemma This created a heterogeneous ISA where the operating system couldn't guarantee an AVX-512 thread would run on a capable P-core. To prevent system crashes, Intel's solution was to disable the feature entirely on consumer chips, a decision that opened the door for AMD to take the lead in this space. Deconstructing the ISA: Key Instruction Subsets The modular nature of AVX-512 means a processor's true capabilities are defined not by the "AVX-512" label, but by the specific combination of instruction subsets it supports. These can be broadly categorized into foundational extensions, workload-specific accelerators, and specialized data manipulation tools. Foundation and Core Extensions AVX512F (Foundation): The mandatory baseline. It expands most 32-bit and 64-bit floating-point instructions from AVX/AVX2 to use the 512-bit ZMM registers and enables opmasking. AVX512VL (Vector Length Extensions): Arguably one of the most important extensions. It allows most AVX-512 instructions to operate on 128-bit (XMM) and 256-bit (YMM) registers, enabling developers to leverage features like opmasking on legacy code. AVX512DQ (Doubleword and Quadword): Introduces new and enhanced instructions for operating on 32-bit and 64-bit data types. AVX512BW (Byte and Word): Extends AVX-512 to cover 8-bit and 16-bit integer operations, crucial for image processing and certain AI workloads. Workload-Specific Extensions for AI and HPC AVX512_VNNI (Vector Neural Network Instructions): Accelerates the 8-bit and 16-bit integer dot-product calculations at the heart of many deep learning inference algorithms. AVX512_BF16 (BFloat16 Instructions): Adds support for the bfloat16 numerical format, which has the same range as a 32-bit float but half the memory footprint, dramatically accelerating AI training and inference. Extension Primary Function / Workload First Intel Xeon Generation AVX512FCore 32/64-bit FP operations, opmaskingSkylake-SP AVX512VLAllows AVX-512 features on 128/256-bit vectorsSkylake-SP AVX512DQEnhanced 32/64-bit integer and FP instructionsSkylake-SP AVX512BWSupport for 8/16-bit integer operationsSkylake-SP AVX512_VNNIAI inference acceleration (INT8/INT16 dot products)Cascade Lake AVX512_BF16AI training and inference accelerationCooper Lake AVX512_GFNICryptography, error correctionIce Lake-SP AVX512_VAESHigh-throughput AES encryption/decryptionIce Lake-SP AVX512_VBMI(2)Advanced byte permutations and shiftsIce Lake-SP Intel CPU Support for AVX-512 Intel's implementation has followed two starkly different paths: consistent deployment in its enterprise and HEDT lines, and a turbulent, ultimately aborted deployment in its mainstream consumer processors. Filter Intel Processors All Types Server (Xeon Scalable) HEDT/Workstation Consumer Generation Codename Key Models Type Key AVX-512 Features 1st GenSkylake-SPPlatinum 81xx, Gold 61xx/51xxServerF, CD, VL, DQ, BW 2nd GenCascade LakePlatinum 82xx, Gold 62xx/52xxServerVNNI 3rd GenCooper LakePlatinum 83xxH(L)ServerBF16 3rd GenIce Lake-SPPlatinum 83xx, Gold 63xx/53xxServerGFNI, VAES, VBMI2 4th GenSapphire RapidsPlatinum 84xx, Gold 64xx/54xxServerFP16, AMX 5th GenEmerald RapidsPlatinum 85xx, Gold 65xx/55xxServerRefinements 7th-9th GenSkylake-XCore i9-79xxX, Xeon W-21xxHEDT/WorkstationF, CD, VL, DQ, BW 10th GenCascade Lake-XCore i9-109xxX, Xeon W-22xxHEDT/WorkstationVNNI 10th GenIce LakeCore i7-106xG7ConsumerFirst mobile implementation 11th GenTiger LakeCore i7-11xxG7ConsumerVP2INTERSECT 11th GenRocket LakeCore i9-11900K, i7-11700KConsumerFirst & last desktop support AMD CPU Support for AVX-512 While Intel's consumer strategy faltered, AMD made a decisive and strategic entry into the AVX-512 ecosystem with its Zen 4 microarchitecture, democratizing access to the instruction set across its entire product stack. Filter AMD Processors All Types Server (EPYC) HEDT (Threadripper) Desktop (Ryzen) Mobile (Ryzen) Generation Codename Key Models Type Datapath 4th GenGenoa / BergamoEPYC 9xx4 SeriesServer256-bit "Double-Pumped" 5th GenTurinEPYC 9xx5 SeriesServerNative 512-bit 7000 SeriesStorm PeakThreadripper 7xxxXHEDT256-bit "Double-Pumped" 9000 SeriesShimada PeakThreadripper 9xxxXHEDTNative 512-bit 7000 SeriesRaphaelRyzen 9 7950X, Ryzen 7 7700XDesktop256-bit "Double-Pumped" 8000G SeriesPhoenixRyzen 7 8700G, Ryzen 5 8600GDesktop256-bit "Double-Pumped" 9000 SeriesGranite RidgeRyzen 9 9950X, Ryzen 7 9700XDesktopNative 512-bit 7040 SeriesPhoenixRyzen 9 7940HS, Ryzen 7 7840UMobile256-bit "Double-Pumped" 8040 SeriesHawk PointRyzen 9 8945HS, Ryzen 7 8840UMobile256-bit "Double-Pumped" AI 300 SeriesStrix PointRyzen AI 9 HX 370Mobile256-bit "Double-Pumped" Architectural Deep Dive The divergent paths taken by Intel and AMD in implementing AVX-512 reveal fundamental differences in engineering philosophy. Intel's initial approach prioritized peak theoretical performance, while AMD's debut focused on power efficiency and broad applicability. Over time, these strategies have begun to converge. Intel's Native 512-bit Approach: Performance and Pitfalls From the outset, Intel's server and HEDT cores were designed with one or two native 512-bit Fused Multiply-Add (FMA) units. This "brute force" approach provides extremely high peak theoretical throughput. However, this performance came at a cost, particularly on the older 14nm process node. Activating these wide, complex execution units generated a significant amount of heat and drew a large amount of power, forcing the chip to aggressively reduce its clock frequency. This phenomenon, widely known as the "AVX tax," could negate the performance benefits of the wider vectors. AMD's "Double-Pumped" 256-bit Strategy (Zen 4): The Efficiency Play AMD's Zen 4 implementation was a more nuanced and power-conscious design. Instead of a native 512-bit wide execution datapath, it processes 512-bit instructions by issuing them over two consecutive cycles on its existing 256-bit wide hardware units. This was a deliberate engineering trade-off designed to conserve die area and minimize power consumption, avoiding the significant thermal challenges that plagued Intel's early implementations. This design proved highly effective, delivering most of the architectural benefits of AVX-512 while completely mitigating its biggest historical drawback: the "AVX tax." Feature Intel (Skylake/Cascade) Intel (Sapphire Rapids+) AMD Zen 4 AMD Zen 5 Datapath WidthNative 512-bitNative 512-bit256-bit ("Double-Pumped")Native 512-bit Clock ThrottlingSignificant (up to 50%+)Minimal (<5%)None / NegligibleNone / Negligible Relative PowerHigh / Very HighModerateLowLow / Moderate Relative Die AreaLargeLargeSmall / ModerateLarge Performance & Power: The "AVX Tax" and Real-World Gains The theoretical benefits of a wider instruction set are only meaningful if they translate into real-world performance gains without prohibitive costs in power and thermal headroom. The story of AVX-512's practical impact is one of a difficult beginning followed by a highly successful maturation. Visualizing the "AVX Tax" Mitigation Early 14nm Intel CPUs saw significant clock speed reductions under AVX-512 load. Modern CPUs from both Intel and AMD have effectively eliminated this "tax" through process and architectural improvements. Real-World Performance Uplift (vs. AVX2) In optimized workloads, AVX-512 provides substantial speedups over its 256-bit predecessor, AVX2. Gains are particularly dramatic in AI and scientific computing. Strategic Recommendations Based on this analysis, a clear set of strategic guidelines emerges for professionals making decisions about hardware procurement and software development in the AVX-512 ecosystem. For Developers & Researchers AMD's Ryzen 7000/9000 series offers an unprecedented value, providing robust, power-efficient AVX-512 support on affordable platforms. They are the default choice for developing and testing AVX-512 code. For Data Centers & Cloud The choice is workload-dependent. High-end Intel Xeons excel in raw FP throughput. AMD EPYC processors often lead in core density, mixed-workload throughput, and performance-per-watt. CPUs to AVOID Strictly avoid Intel's consumer Core processors from the 12th Gen ("Alder Lake") onwards for any AVX-512 task. The feature is physically and permanently disabled. Software Optimization Strategy The most efficient path to AVX-512 acceleration is to rely on professionally developed and highly optimized libraries like Intel's oneMKL, OpenBLAS, TensorFlow, and PyTorch. When compiling, go beyond generic flags and target specific, performance-critical subsets (e.g., `-mavx512vnni`) for your workload. Always profile your code on the target hardware to identify and work around any implementation-specific bottlenecks. The Future of Vectorization: Preparing for AVX10 The industry is moving toward a more stable and unified future. Intel's AVX10 initiative is a direct attempt to solve the fragmentation problem by creating a converged ISA baseline for all future P-cores and E-cores. A forward-looking strategy should focus on the most durable features of AVX-512 (opmasking, 32 registers), even with 256-bit vectors, to ensure broad compatibility with the emerging, unified vector processing landscape. Appendices: Definitive CPU Lists The following tables provide an exhaustive reference for processor families from both manufacturers that support AVX-512, detailing their core specifications and capabilities. Appendix A: Intel AVX-512 CPU Matrix Intel® Xeon® Scalable Processors GenerationCodenameFMA UnitsKey Subsets Added/Present 1st GenSkylake-SP2 (Plat, Gold 6xxx) or 1 (Others)F, CD, VL, DQ, BW 2nd GenCascade Lake2 (Plat, Gold 6xxx) or 1 (Others)VNNI 3rd GenCooper Lake2BF16 3rd GenIce Lake-SP2GFNI, VAES, VBMI2 4th GenSapphire Rapids2FP16, AMX 5th GenEmerald Rapids2Refinements on Sapphire Rapids Intel® Core™ X-series and Xeon® W (HEDT) GenerationCodenameFMA UnitsKey Subsets 7th-9th GenSkylake-X2F, CD, VL, DQ, BW 10th GenCascade Lake-X2F, CD, VL, DQ, BW, VNNI Appendix B: AMD AVX-512 CPU Matrix AMD EPYC™, Threadripper™, and Ryzen™ Processors ArchitectureDatapathProcessor FamiliesKey Subsets Supported Zen 4 256-bit "Double-Pumped" EPYC 9xx4, Threadripper 7xxx, Ryzen 7xxx/8xxxG F, VL, DQ, BW, VNNI, BF16, IFMA, VBMI(2), VPOPCNTDQ Zen 5 Native 512-bit EPYC 9xx5, Threadripper 9xxx, Ryzen 9xxx All Zen 4 subsets, with doubled FP/VNNI throughput Zen 5 (Mobile) 256-bit "Double-Pumped" Ryzen AI 300 Series All Zen 4 subsets, with Zen 5 core improvements Affiliate Disclosure: Faceofit.com is a participant in the Amazon Services LLC Associates Program. 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What is AVX-512? The Advanced Vector Extensions 512 (AVX-512) instruction set represents the latest and most powerful evolution of Single Instruction, Multiple Data (SIMD) processing in the x86 architecture. By doubling the vector register width to 512 bits, AVX-512 offers a theoretical doubling of computational throughput for a wide range of parallelizable workloads, from high-performance computing (HPC) and artificial intelligence (AI) to financial analytics and data processing. At its core, AVX-512 is a built-in accelerator, designed to boost performance for demanding workloads without the cost and complexity of discrete hardware like GPUs. However, its power extends far beyond its 512-bit width. It introduces a comprehensive redesign of x86 vector processing, including an expanded set of 32 vector registers (ZMM0-ZMM31) and transformative "opmask" registers that allow for per-element conditional execution, making it possible to vectorize complex code with `if-then-else` logic without disruptive branching. A Tale of Two Implementations Intel's Native 512-bit Approach CPU Core Native 512-bit FMA Unit 1x 512-bit op / cycle Prioritizes peak theoretical performance with a wide, powerful execution unit. Early versions suffered from high power draw and clock throttling. AMD's "Double-Pumped" (Zen 4) CPU Core 256-bit Unit 256-bit Unit 1x 512-bit op / 2 cycles Prioritizes power efficiency by using existing 256-bit hardware. Avoids the "AVX tax" while providing most of the architectural benefits. The Consumer Conundrum: Intel's Alder Lake The 12th Gen "Alder Lake" architecture introduced a hybrid design that ultimately led to AVX-512's removal from consumer chips. P-Core (AVX-512 Supported) E-Core (No AVX-512) AVX-512 Thread OK ✅ CRASH ❌ OS Scheduler's Dilemma This created a heterogeneous ISA where the operating system couldn't guarantee an AVX-512 thread would run on a capable P-core. To prevent system crashes, Intel's solution was to disable the feature entirely on consumer chips, a decision that opened the door for AMD to take the lead in this space. Deconstructing the ISA: Key Instruction Subsets The modular nature of AVX-512 means a processor's true capabilities are defined not by the "AVX-512" label, but by the specific combination of instruction subsets it supports. These can be broadly categorized into foundational extensions, workload-specific accelerators, and specialized data manipulation tools. Foundation and Core Extensions AVX512F (Foundation): The mandatory baseline. It expands most 32-bit and 64-bit floating-point instructions from AVX/AVX2 to use the 512-bit ZMM registers and enables opmasking. AVX512VL (Vector Length Extensions): Arguably one of the most important extensions. It allows most AVX-512 instructions to operate on 128-bit (XMM) and 256-bit (YMM) registers, enabling developers to leverage features like opmasking on legacy code. AVX512DQ (Doubleword and Quadword): Introduces new and enhanced instructions for operating on 32-bit and 64-bit data types. AVX512BW (Byte and Word): Extends AVX-512 to cover 8-bit and 16-bit integer operations, crucial for image processing and certain AI workloads. Workload-Specific Extensions for AI and HPC AVX512_VNNI (Vector Neural Network Instructions): Accelerates the 8-bit and 16-bit integer dot-product calculations at the heart of many deep learning inference algorithms. AVX512_BF16 (BFloat16 Instructions): Adds support for the bfloat16 numerical format, which has the same range as a 32-bit float but half the memory footprint, dramatically accelerating AI training and inference. Extension Primary Function / Workload First Intel Xeon Generation AVX512FCore 32/64-bit FP operations, opmaskingSkylake-SP AVX512VLAllows AVX-512 features on 128/256-bit vectorsSkylake-SP AVX512DQEnhanced 32/64-bit integer and FP instructionsSkylake-SP AVX512BWSupport for 8/16-bit integer operationsSkylake-SP AVX512_VNNIAI inference acceleration (INT8/INT16 dot products)Cascade Lake AVX512_BF16AI training and inference accelerationCooper Lake AVX512_GFNICryptography, error correctionIce Lake-SP AVX512_VAESHigh-throughput AES encryption/decryptionIce Lake-SP AVX512_VBMI(2)Advanced byte permutations and shiftsIce Lake-SP Intel CPU Support for AVX-512 Intel's implementation has followed two starkly different paths: consistent deployment in its enterprise and HEDT lines, and a turbulent, ultimately aborted deployment in its mainstream consumer processors. Filter Intel Processors All Types Server (Xeon Scalable) HEDT/Workstation Consumer Generation Codename Key Models Type Key AVX-512 Features 1st GenSkylake-SPPlatinum 81xx, Gold 61xx/51xxServerF, CD, VL, DQ, BW 2nd GenCascade LakePlatinum 82xx, Gold 62xx/52xxServerVNNI 3rd GenCooper LakePlatinum 83xxH(L)ServerBF16 3rd GenIce Lake-SPPlatinum 83xx, Gold 63xx/53xxServerGFNI, VAES, VBMI2 4th GenSapphire RapidsPlatinum 84xx, Gold 64xx/54xxServerFP16, AMX 5th GenEmerald RapidsPlatinum 85xx, Gold 65xx/55xxServerRefinements 7th-9th GenSkylake-XCore i9-79xxX, Xeon W-21xxHEDT/WorkstationF, CD, VL, DQ, BW 10th GenCascade Lake-XCore i9-109xxX, Xeon W-22xxHEDT/WorkstationVNNI 10th GenIce LakeCore i7-106xG7ConsumerFirst mobile implementation 11th GenTiger LakeCore i7-11xxG7ConsumerVP2INTERSECT 11th GenRocket LakeCore i9-11900K, i7-11700KConsumerFirst & last desktop support AMD CPU Support for AVX-512 While Intel's consumer strategy faltered, AMD made a decisive and strategic entry into the AVX-512 ecosystem with its Zen 4 microarchitecture, democratizing access to the instruction set across its entire product stack. Filter AMD Processors All Types Server (EPYC) HEDT (Threadripper) Desktop (Ryzen) Mobile (Ryzen) Generation Codename Key Models Type Datapath 4th GenGenoa / BergamoEPYC 9xx4 SeriesServer256-bit "Double-Pumped" 5th GenTurinEPYC 9xx5 SeriesServerNative 512-bit 7000 SeriesStorm PeakThreadripper 7xxxXHEDT256-bit "Double-Pumped" 9000 SeriesShimada PeakThreadripper 9xxxXHEDTNative 512-bit 7000 SeriesRaphaelRyzen 9 7950X, Ryzen 7 7700XDesktop256-bit "Double-Pumped" 8000G SeriesPhoenixRyzen 7 8700G, Ryzen 5 8600GDesktop256-bit "Double-Pumped" 9000 SeriesGranite RidgeRyzen 9 9950X, Ryzen 7 9700XDesktopNative 512-bit 7040 SeriesPhoenixRyzen 9 7940HS, Ryzen 7 7840UMobile256-bit "Double-Pumped" 8040 SeriesHawk PointRyzen 9 8945HS, Ryzen 7 8840UMobile256-bit "Double-Pumped" AI 300 SeriesStrix PointRyzen AI 9 HX 370Mobile256-bit "Double-Pumped" Architectural Deep Dive The divergent paths taken by Intel and AMD in implementing AVX-512 reveal fundamental differences in engineering philosophy. Intel's initial approach prioritized peak theoretical performance, while AMD's debut focused on power efficiency and broad applicability. Over time, these strategies have begun to converge. Intel's Native 512-bit Approach: Performance and Pitfalls From the outset, Intel's server and HEDT cores were designed with one or two native 512-bit Fused Multiply-Add (FMA) units. This "brute force" approach provides extremely high peak theoretical throughput. However, this performance came at a cost, particularly on the older 14nm process node. Activating these wide, complex execution units generated a significant amount of heat and drew a large amount of power, forcing the chip to aggressively reduce its clock frequency. This phenomenon, widely known as the "AVX tax," could negate the performance benefits of the wider vectors. AMD's "Double-Pumped" 256-bit Strategy (Zen 4): The Efficiency Play AMD's Zen 4 implementation was a more nuanced and power-conscious design. Instead of a native 512-bit wide execution datapath, it processes 512-bit instructions by issuing them over two consecutive cycles on its existing 256-bit wide hardware units. This was a deliberate engineering trade-off designed to conserve die area and minimize power consumption, avoiding the significant thermal challenges that plagued Intel's early implementations. This design proved highly effective, delivering most of the architectural benefits of AVX-512 while completely mitigating its biggest historical drawback: the "AVX tax." Feature Intel (Skylake/Cascade) Intel (Sapphire Rapids+) AMD Zen 4 AMD Zen 5 Datapath WidthNative 512-bitNative 512-bit256-bit ("Double-Pumped")Native 512-bit Clock ThrottlingSignificant (up to 50%+)Minimal (<5%)None / NegligibleNone / Negligible Relative PowerHigh / Very HighModerateLowLow / Moderate Relative Die AreaLargeLargeSmall / ModerateLarge Performance & Power: The "AVX Tax" and Real-World Gains The theoretical benefits of a wider instruction set are only meaningful if they translate into real-world performance gains without prohibitive costs in power and thermal headroom. The story of AVX-512's practical impact is one of a difficult beginning followed by a highly successful maturation. Visualizing the "AVX Tax" Mitigation Early 14nm Intel CPUs saw significant clock speed reductions under AVX-512 load. Modern CPUs from both Intel and AMD have effectively eliminated this "tax" through process and architectural improvements. Real-World Performance Uplift (vs. AVX2) In optimized workloads, AVX-512 provides substantial speedups over its 256-bit predecessor, AVX2. Gains are particularly dramatic in AI and scientific computing. Strategic Recommendations Based on this analysis, a clear set of strategic guidelines emerges for professionals making decisions about hardware procurement and software development in the AVX-512 ecosystem. For Developers & Researchers AMD's Ryzen 7000/9000 series offers an unprecedented value, providing robust, power-efficient AVX-512 support on affordable platforms. They are the default choice for developing and testing AVX-512 code. For Data Centers & Cloud The choice is workload-dependent. High-end Intel Xeons excel in raw FP throughput. AMD EPYC processors often lead in core density, mixed-workload throughput, and performance-per-watt. CPUs to AVOID Strictly avoid Intel's consumer Core processors from the 12th Gen ("Alder Lake") onwards for any AVX-512 task. The feature is physically and permanently disabled. Software Optimization Strategy The most efficient path to AVX-512 acceleration is to rely on professionally developed and highly optimized libraries like Intel's oneMKL, OpenBLAS, TensorFlow, and PyTorch. When compiling, go beyond generic flags and target specific, performance-critical subsets (e.g., `-mavx512vnni`) for your workload. Always profile your code on the target hardware to identify and work around any implementation-specific bottlenecks. The Future of Vectorization: Preparing for AVX10 The industry is moving toward a more stable and unified future. Intel's AVX10 initiative is a direct attempt to solve the fragmentation problem by creating a converged ISA baseline for all future P-cores and E-cores. A forward-looking strategy should focus on the most durable features of AVX-512 (opmasking, 32 registers), even with 256-bit vectors, to ensure broad compatibility with the emerging, unified vector processing landscape. Appendices: Definitive CPU Lists The following tables provide an exhaustive reference for processor families from both manufacturers that support AVX-512, detailing their core specifications and capabilities. Appendix A: Intel AVX-512 CPU Matrix Intel® Xeon® Scalable Processors GenerationCodenameFMA UnitsKey Subsets Added/Present 1st GenSkylake-SP2 (Plat, Gold 6xxx) or 1 (Others)F, CD, VL, DQ, BW 2nd GenCascade Lake2 (Plat, Gold 6xxx) or 1 (Others)VNNI 3rd GenCooper Lake2BF16 3rd GenIce Lake-SP2GFNI, VAES, VBMI2 4th GenSapphire Rapids2FP16, AMX 5th GenEmerald Rapids2Refinements on Sapphire Rapids Intel® Core™ X-series and Xeon® W (HEDT) GenerationCodenameFMA UnitsKey Subsets 7th-9th GenSkylake-X2F, CD, VL, DQ, BW 10th GenCascade Lake-X2F, CD, VL, DQ, BW, VNNI Appendix B: AMD AVX-512 CPU Matrix AMD EPYC™, Threadripper™, and Ryzen™ Processors ArchitectureDatapathProcessor FamiliesKey Subsets Supported Zen 4 256-bit "Double-Pumped" EPYC 9xx4, Threadripper 7xxx, Ryzen 7xxx/8xxxG F, VL, DQ, BW, VNNI, BF16, IFMA, VBMI(2), VPOPCNTDQ Zen 5 Native 512-bit EPYC 9xx5, Threadripper 9xxx, Ryzen 9xxx All Zen 4 subsets, with doubled FP/VNNI throughput Zen 5 (Mobile) 256-bit "Double-Pumped" Ryzen AI 300 Series All Zen 4 subsets, with Zen 5 core improvements
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