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List of Dual-VoLTE SOCs Dual 4G Active Standby Phone Specs Compare

Dual-VoLTE SOCs

Why do you need Dual-VoLTE SOCs? It is because the world is moving towards 4G only networks with 5G round the corner. This will mean if you have a dual SIM phone, and want to make use of the network data connectivity on both the SIM cards simultaneously, the best options to go with is a phone supporting Dual SIM Dual VoLTE (DSDV) functionality. More than the phone itself, you will need to give a thought to the processors or SoCs that support the DSDV option.

We will check out the options that offer support for such functionality. Besides, we will also attempt in understanding what Dual VoLTE is and how effective it can be.

Related: Phones with Dual-VoLTE Support

What is Dual SIM Dual VoLTE?

As can be understood based on the name itself, the dual SIM dual VoLTE is the functionality where you will be able to experience the 4G VoLTE connectivity on both your SIM cards simultaneously.

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This can be explained with an example. Assume you have two 4G SIM cards where one of them offer a 4G only service. In such a case, when you switch to the data network on the non-4G only SIM, the network on the 4G only SIM vanishes. Ideally, most of the phones support 4G connections on any one of the two SIM cards, and not on the two cards simultaneously.

This is where Dual SIM Dual VoLTE tends to be of practical use. If you have a phone that supports the technology, you will find that you will be able to use the 4G connectivity on both the SIM cards. This will mean that even when you switch to any one of the data networks, you will continue to get the VoLTE services on the other SIM even without the Internet.

Also, it is worth noting the fact that the Dual VoLTE technology provides an enhanced level of HD call clarity.

Are there Any phones that support the Dual VoLTE feature?

The trend of offering the dual VoLTE connectivity has been in vogue only recently. This requirement was required after the launch of 4G only services by telecom operators. A good example is Reliance Jio in India which is a 4G only network and does not offer any 3G or 2G connectivity.

Some of the modern breeds of phones that have begun launching the Dual VoLTE functionality can be summed up as Honor View 10, Zenfone Max Pro M1 / M2, Oppo F7, and Realme 1 to name a few. Please note that the dual VoLTE is a functionality that the SoC or the processor inside your phone should support.

Moreover, just because the SoC supports the functionality should not necessarily mean that the feature will be made available on a phone that uses the particular chipset. The OEM may go against the plan and choose not to provide the functionality on its devices. But, on the good news is that the feature can be enabled by merely a software update.

Which Dual-VoLTE SOCs support Dual SIM Dual 4G VoLTE?

The recently launched chipsets support the functionality. The SoCs were launched in 2019 and later are expected to come with the functionality to support the Dual SIM Dual VoLTE feature. Here is the list of the SoCs that support the dual VoLTE feature.

Snapdragon 450

Snapdragon 450 Vs. 435 Vs. 625
SoCSnapdragon 435

Snapdragon 450

Snapdragon 625

CPU Architecture 64-bit 64-bit 64-bit
CPU Cores 1.4 GHz octa-core, 8x ARM Cortex A53 1.8 GHz octa-core, 8x ARM Cortex A53 2 GHz octa-core, 8x ARM Cortex A53
GPU Adreno 505 Adreno 506 Adreno 506
cellular Modem X9 LTE Modem

Peak Download Speed: 300 Mbps

Peak Upload Speed: 150 Mbps

 X9 LTE Modem

Peak Download Speed: 300 Mbps

Peak Upload Speed: 150 Mbps

  X9 LTE Modem

Peak Download Speed: 300 Mbps

Peak Upload Speed: 150 Mbps

Camera Up to 21 MP camera

2x Image Sensor Processor (ISP)

 Dual camera up to 13 MP

Single Camera up to 21MP @ 30fps, 24MP @ 24fps

Up to 13 MP dual camera

Up to 24 MP single camera

2x Image Sensor Processor (ISP)

Max Display Resolution Full HD
1920×1200@60fps
 1080p Full HD
FHD+
WUXGA
1080p FHD+
WUXGA
Bluetooth Bluetooth 4.1Bluetooth 4.1Bluetooth 4.1
WiFi 1×1 802.11ac with MU-MIMO Peak Speed: 364 Mbps 1×1 802.11ac with MU-MIMO Peak Speed: 364 Mbps 2×2 802.11ac with Mu-MIMO Peak Speed: 364 Mbps
ChargingQualcomm QC 3.0Qualcomm QC 3.0Qualcomm QC 3.0

The Qualcomm Snapdragon 450 is one of the first options to support dual SIM dual VoLTE. While the chipset comes with a multitude of features one of the most important being LTE Broadcast, LTE multimode dual SIM and VoLTE with HD Voice and SRVCC.

Some of the improvements that the chipset promises include

• An enhanced battery life that promises four hours of additional backup.
• The Dual image signal processors (ISPs) offer an enhanced level of mobile camera experience. You can expect a better performance in terms of high dynamic range, improved bokeh, and improved autofocus
• The integrated Adreno 506 GPU ensures that you can enjoy the mobile games with the realistic 3D imagery
• It offers you an additional 25 percent hike in the CPU and GPU performance.
• The integrated X9 LTE modem provides you download speeds up to 300 Mbps ( Please note that the actual speeds will be dependent upon the actual capacity of your network).

Snapdragon 636

Snapdragon 632 vs Snapdragon 636
FeaturesSnapdragon 632

Snapdragon 636

Asus ROG Gaming Smartphone

Manufacturing Process14 nm14 nm
Architecture64-bit 64-bit
WiFi1×1 802.11ac with MU-MIMO
Peak Speed: 364 Mbps
1×1 802.11ac with MU-MIMO
Peak Speed: 364 Mbps
BluetoothBluetooth 5.0 Bluetooth 5.0
CPU8x Kryo 250 CPU up to 1.8 GHz8x Kryo 260 CPU up to 1.8 GHz
GPU Adreno 506 Adreno 509
RAMLPDDR3Dual Channel LPDDR4/4x 1333 MHz
Displayfull HD+full HD+
CameraSingle: Up to 24MP
Dual: 13+13MP
Single: up to 24MP
Dual: 16+16MP
VideoUp to 4K UltraHD capture at 30FPS
Up to 1080p video capture at 120 FPS
Up to 4K UltraHD capture at 30FPS
Up to 1080p video capture at 120 FPS
ChargeQC 3.0QC 4.0
ModemX9 LTE
Download: 300 Mbps
Upload: 150 Mbps
X12 LTE
Download:600 Mbps
Upload: 150 Mbps

One of the prominent 600 series processors from Qualcomm, it comes with a Qualcomm Spectra™ ISP, and a Qualcomm® Kryo™ CPU. Employing the Snapdragon X12 LTE modem, it offers you an excellent download speed.

A few of the features you will find on the Qualcomm Snapdragon 636 include the following:

• It comes with Qualcomm Spectra™ 160 Camera ISP and supports up to 24MP single or dual 16MP cameras for enhanced camera performance.
• The chipset comes equipped with the Adreno 509 GPU and provides you access to lifelike visuals. It can render the 3D graphics
• You can ensure faster and consistent connection speeds that offer you a better experience.
• The processor also comes with an On Device Artificial Intelligence Platform for the enhanced performance.
• The QuickCharge 4 is yet another feature built within the processor improving your power performance when you need it the most.

Snapdragon 660

Snapdragon 660 Overview
CPU4x Kryo 260 @ 2.2GHz
4x Kryo 260 @ 1.8GHz
GPUAdreno 512 (Vulkan API)
Co-ProcessorsHexagon 642 + HVX,
All-Ways Aware,
Spectra 160
LTEX12 LTE
600Mbps down,
150 Mbps up,
3x20MHz CA, up to 256-QAM
Bluetooth5.0
Quick Charge4.0
Process14 nm

Designed for enhanced user experiences and mobile industry-leading battery performance, the Qualcomm Snapdragon 660 is an excellent option and comes equipped with Adreno 512 GPU. The chipset comes with VoLTE with SRVCC to 3G and 2G, HD and Ultra HD Voice (EVS), CSFB to 3G and 2G and Voice over Wi-Fi (VoWiFi) with LTE call continuity.

Related: Phones with Snapdragon 660

A few salient features of the processor include

• It comes equipped with the 14-bit Qualcomm Spectra 160 dual ISP and offers smooth zoom, fast autofocus, and true-to-life colors.
• The Adreno 512 GPU offers a 30 percent increase in the performance over the previous generations of the processors.
• This processor also comes with the On Device machine learning.
• The Qualcomm® Kryo™ 260 CPU provides an outstanding experience provides you a 20 percent hike in the performance when compared to the prior generation.
• Hexagon 680 DSP will provide you an enhanced performance and an enhanced battery life improvement.

Snapdragon 845

Features

Snapdragon 845

Best Android ARCore Phones

 

Snapdragon 855

Manufacturing Architecture10 nm – TSMC FF7 nm – TSMC FF
Processor Cores4x Kryo 385 and 4x custom Cortex-A551x Kryo 485 Gold, 3x Kryo 485 Gold, and 4x Kryo 485 Silver
Clock speed2.8 and 1.8 GHz2.84, 2.42 and 1.8 GHz
GPUAdreno 630Adreno 640
ModemSnapdragon LTE X20Snapdragon LTE X24 – X50 5G modem (Carrier Aggregation)
Download speeds Up to 2 GbpsUp to 2Gbps
Upload SpeedsUp to 150 MbpsUp to 316 Mbps
AI co-processor availabilityYesYes
Video encoding4K HDR at 60fps4K HDR10+
Other featuresDual SIM/standby, dual VoLTE support, Quick Charge 4/4+Computational photography,

4K HDR Bokeh Video, 8K 360 VR video playback, Always-on noise cancelation, Dual-frequency GPS

Cellular technologyLTE Technology: LTE FDD, LTE TDD including CBRS support, LAA, LTE Broadcast

Cellular Technology: WCDMA (DB-DC-HSDPA, DC-HSUPA), TD-SCDMA, CDMA 1x, EV-DO, GSM/EDGE

Cellular Technology: WCDMA (DB-DC-HSDPA, DC-HSUPA), TD-SCDMA, CDMA 1x, EV-DO, GSM/EDGE

LTE Technology: LTE FDD, LTE TDD including CBRS support, LAA, LTE Broadcast

Supported WiFi standards802.11ad, 802.11ac Wave 2, 802.11a/b/g, 802.11n802.11ad, 802.11ay, 802.11ax-ready, 802.11ac Wave 2, 802.11a/b/g, 802.11n
Peak WiFi Speed867 Mbps10Gbps
USB version supportedUSB 3.1USB 3.1, USB-C
Camera Megapixel supportUp to 16 MP dual camera, Up to 32 MP single cameraUp to 22 MP dual camera, Up to 48 MP single camera
Video CodecsH.265 (HEVC), Support for HDR10, HLG, and H.265 (HEVC) video captureH.265 (HEVC), H.264 (AVC), HDR10, HDR10+, HLG, VP8, VP9
Maximum display support4K Ultra HD, Up to 4KUp to 4K HDR

The Snapdragon 845 is the best and the most advanced functionality that you have ever seen on the mobile platform. It offers you every feature that the smartphone world is looking ahead to. An immersive XR experience, a full-fledged personal assistant and advanced security are a few features that make it an excellent option.

Some of the worthy features we liked the most are as follows:

• Capture cinema quality videos with the Qualcomm® Spectra™ 280 Image Signal Processor
• Qualcomm® Adreno™ 630 Visual Processing Subsystem erases the thin line between the real world and the virtual world with a truly immersive experience.
• The third generation Artificial Intelligence Engine transform your engine into something more true to life XR, gaming, and long-lasting battery life.
• You can enjoy the vault-like security for an enhanced experience.
• VoLTE with SRVCC to 3G and 2G, HD and Ultra HD Voice (EVS), CSFB to 3G and 2G and Voice over Wi-Fi (VoWiFi) with LTE call continuity.

Some of the other Snapdragon processors that support the functionality include Snapdragon 670, Snapdragon 675, and Snapdragon 710.

MediaTek MT6737

Offering enhanced multimedia, display and photography, the MediaTek MT6737 is an exceptional choice for the devices that are affordable and feature rich. The processor is equipped with quad-core 64bit CPU based on ARM Cortex-A53 and comes with the Mali T720 GPU.

Some of the features include

• It offers you a maximum camera ISP of up to 13 MP
• The processor offers you the Cat 4 LTE technology and dual SIM Dual VoLTE functionality
• The MediaTek PumpExpress 2.0 is designed to provide access to a faster charging.

MediaTek Helio P60

SpecificationMediaTek Helio P60MediaTek Helio P70
CPU Types ARM Cortex A53 (Efficiency)

ARM Cortex A73 (Performance)

ARM Cortex A53 (Efficiency)

ARM Cortex A73 (Performance)

Max CPU Frequency 2.0 GHz Max2.1 GHz Max
Cores 8 (Octa-Core)8 (Octa-Core)
CPU Architecture 64-bit64-bit
Heterogeneous Multi-ProcessingSupportedSupported

Memory & Storage:

SpecificationMediaTek Helio P60MediaTek Helio P70
Memory Type LPDDR3

LPDDR4X

LPDDR3

LPDDR4X

Max. Memory Frequency1x LPDDR3 @ 933 MHz

2x LPDDR4X @ ~1800 MHz

1x LPDDR3 @ 933 MHz

2x LPDDR4X @ ~1800 MHz

Max Memory Size 8 GB on LPDDR4X

4 GB on LPDDR3

8 GB on LPDDR4X

4 GB on LPDDR3

Storage Type eMMC 5.1

UFS 2.1

eMMC 5.1

UFS 2.1

Connectivity:

SpecificationMediaTek Helio P60MediaTek Helio P70
Cellular Technologies Carrier Aggregation

CDMA 2000 1x / EVDO Rev.A – SRL

FDD / TDD LTE

HSPA+

Carrier Aggregation

CDMA 2000 1x / EVDO Rev.A – SRL

FDD / TDD LTE

HSPA+

Specifications 2×2 UL CA

TAS 2.0

HPUE

IMS (VoLTE / ViLTE / WoWi-Fi)

eMBMS

Dual 4G VoLTE (DSDS)

BAND 71

2×2 UL CA

TAS 2.0

HPUE

IMS (VoLTE / ViLTE / WoWi-Fi)

eMBMS

Dual 4G VoLTE (DSDS)

BAND 71

LTE CategoryCAT-7 DL

CAT-13 UL

CAT-7 DL

CAT-13 UL

General Connectivity Bluetooth

FM Radio

GNSS

Wi-Fi

Bluetooth

FM Radio

GNSS

Wi-Fi

GNSS Beidou

Galileo

Glonass

GPS

Beidou

Galileo

Glonass

GPS

Wi-Fia/b/g/n/aca/b/g/n/ac
Bluetooth Version 4.2 (Lower Energy Consumption)4.2 (Lower Energy Consumption)

Camera :

SpecificationMediaTek Helio P60MediaTek Helio P70
Max ISP Single: 32 MP

Dual: 24 + 16 MP

Single: 32 MP

Dual: 24 + 16 MP

Max Video Resolution3840 x 21603840 x 2160
Max FPS 30 fps on 32 MP with ZSD

90 fps on 16 MP

30 fps on 32 MP with ZSD

90 fps on 16 MP

Features Facial / Scene Detection (AI)

Hardware Warping Engine

Anti Blooming Engine

MEMA 3DNR

Multi Frame Noise Reduction

Real-Time HDR Recording + Viewing

Zigzag HDR

RAW domain multi-frame HDR

PDAF

Facial / Scene Detection (AI)

Hardware Warping Engine

Anti Blooming Engine

MEMA 3DNR

Multi Frame Noise Reduction

Real-Time HDR Recording + Viewing

Zigzag HDR

RAW domain multi-frame HDR

PDAF

Graphics:

SpecificationMediaTek Helio P60MediaTek Helio P70
GPU Type ARM Mali G73 MP3ARM Mali G73 MP3
Max Frequency800 MHz Max900 MHz Max
Max Resolution2160 x 10802160 x 1080
Video EncodingH.264H.264
Video PlaybackH.264, H.265 / HEVCH.264, H.265 / HEVC

Other:

SpecificationMediaTek Helio P60MediaTek Helio P70
AI Accelerator YesYes
AI Performance 280 GMAC/s Max280 GMAC/s Max
MediaTek Technologies CorePilot

Imagic

NeuroPilot

Pump Express

Pump Express Wireless

CorePilot

Imagic

NeuroPilot

Pump Express

Pump Express Wireless

Response Time Enhancement Technology

Focussed on the latest technologies like Artificial Intelligence, latest Mali-G72 GPU and 20:9 FullHD+ display support, the processor is an excellent example of the powerful combination of hardware capabilities.

A few features we would like to focus on include

• The NeuroPilot™ intelligence offers you an unprecedented AI experience. The technology is designed to work with CPU, GPU and Mobile APU within the SoC.
• It can support a combination of up to a 24+16MP dual camera array or a single 32MP shooter
• The 4G LTE WorldMode modem supports almost all cellular technology standards and frequencies.
• You have access to dual SIM dual VoLTE functionality besides the ViLTE functionality as well.

Some other MediaTek processors that support dual SIM dual VoLTE features are MT6739, Helio P22, Helio P23, Helio A22, and Helio P70.

A few other honorable mentions for the functionality include the following processors coming from Huawei and Samsung –

• Huawei Kirin: Kirin 710, Kirin 970, Kirin 980
• Samsung Exynos: Exynos 9810, 9610

The Concluding Thoughts

That is all we have as of now concerning the dual VoLTE feature and the SoCs that support the technology. Do note that just because the processor support the functionality to offer you dual VoLTE feature, it might not necessarily mean that the phone manufacturer have enabled the particular feature on it. In any case, we expect the smartphone manufacturers to include the functionality in almost all their devices – irrespective of the price range that the phone is marketed at.

If you are aware of any other processors with the features included, do share your thoughts and opinions with us through the comments section down below.

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