Gorilla Glass 7i vs. Victus 2 | Screen Durability Infographic

Screen Wars

Gorilla® Glass 7i vs. Victus® 2

Ever wonder what keeps your phone screen from shattering? Let's break down the tech behind the two leading protectors from Corning.

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At a Glance: Two Tiers of Toughness

💎 Gorilla® Glass 7i

Advanced Durability for Everyone

This is the go-to for bringing awesome protection to mid-range and value-packed smartphones, making toughness more accessible than ever.

🎯 Target: Mid-range & affordable phones
💪 Superpower: A great balance of drop and scratch resistance for its class.
🔬 Made Of: Lithium Aluminosilicate Glass (Li-Al-Si)

🌟 Gorilla® Glass Victus® 2

The Flagship Protector

This is the top-tier option, engineered for premium, high-end devices that demand the absolute best in drop protection, especially on unforgiving surfaces.

👑 Target: High-end, flagship phones
💥 Superpower: Unmatched drop performance on rough surfaces like concrete.
🔬 Made Of: Advanced Aluminosilicate Glass (Al-Si)

The Drop Test Showdown

How do they stack up when things get clumsy? This chart shows lab-tested drop survival heights. Higher is better!

Resisting the Scratch

Gorilla® Glass 7i

Up to twice as scratch-resistant as other glasses in the mid-range market.

Gorilla® Glass Victus® 2

Up to four times more scratch-resistant than competitive flagship glasses.

Who is it For?

Corning designs its glass for different parts of the smartphone market. Here’s a conceptual look at their target device segments.

Deep Dive: Technical Specifications

For those who love the details, here's a side-by-side comparison of the core technical properties of each glass.

Feature	Corning Gorilla® Glass 7i	Corning Gorilla® Glass Victus® 2
Glass Type/Composition	Lithium Aluminosilicate Glass (Li-Al-Si). This composition is key to achieving a balance of properties at a more accessible price point. The inclusion of lithium, alongside aluminum and silicon oxides, contributes to its strengthening capabilities through ion exchange.	Aluminosilicate Glass (Al-Si). This is a more advanced aluminosilicate composition. While both are aluminosilicates, the specific ratios and additional elements (or lack thereof, like lithium as the primary alkali in 7i) differentiate their performance and manufacturing costs. Victus 2 is engineered for maximum performance, often involving a more complex glass melt chemistry.
Ion Exchange Process	Both utilize a chemical strengthening process involving ion exchange. In this process, the glass is immersed in a hot molten salt bath (typically potassium nitrate). Larger potassium ions from the bath replace smaller sodium (or lithium, in 7i's case) ions in the glass. This "stuffing" of larger ions into the glass's surface creates a layer of high compressive stress, which acts as a protective shield against cracks and damage propagation.	Similar to 7i, it undergoes a rigorous ion exchange process to create a deep layer of compressive stress on the glass surface. The goal is to maximize this compressive layer to resist damage from impacts. The depth and magnitude of this compressive stress layer are crucial for its superior drop performance.
Drop Test Methodology	In Corning lab tests, 7i survived drops of up to 1 meter (3.3 feet) on 180-grit sandpaper. This specific grit is chosen to simulate rough surfaces like asphalt, common in real-world drops. It showed up to 2X higher drop performance than competitive lithium aluminosilicate glasses on 180-grit sandpaper.	In Corning lab tests, Victus 2 survived drops from up to 1 meter (3.3 feet) on 80-grit sandpaper (simulating concrete) and up to 2 meters (6.6 feet) on 180-grit sandpaper. The use of 80-grit sandpaper for concrete simulation indicates its superior performance on harder, more abrasive surfaces, which is a key differentiator. It's noted to be up to 50% better than competitive Al-Si glasses on 80-grit sandpaper.
Scratch Test Methodology	Corning uses the Knoop Diamond Scratch Test. For Gorilla Glass 7i, the scratch threshold is typically 8-10 Newtons. This is up to 2X higher than competitive lithium aluminosilicate glasses (which have a threshold of approximately 4 Newtons). A higher Newton value indicates greater resistance to scratching under load.	Also tested with the Knoop Diamond Scratch Test. For Gorilla Glass Victus 2, the scratch threshold is typically 8-10 Newtons. This is up to 4X higher than competitive aluminosilicate glasses (which are typically 2-4 Newtons). While the numerical range (8-10N) is similar to 7i, the "up to 4X higher" claim relative to its specific competitors highlights its stronger scratch resistance within the premium segment.
Vickers Hardness	Unstrengthened: ~591 kgf/mm²; Strengthened: ~658 kgf/mm². Vickers hardness measures the material's resistance to indentation, providing an indication of its surface hardness and scratch resistance.	Unstrengthened: ~595 kgf/mm²; Strengthened: ~670 kgf/mm². Slightly higher than 7i, reflecting its overall superior robust nature.
Fracture Toughness	~0.78 MPa·m^0.5. Fracture toughness indicates a material's resistance to crack propagation when a crack is present. A higher value means the material is more resistant to existing flaws leading to catastrophic failure.	~0.82 MPa·m^0.5. A higher fracture toughness compared to 7i indicates its enhanced ability to resist crack growth, especially important for surviving drops on rough surfaces where initial micro-cracks are more likely to form.
Density	~2.41 g/cm³	~2.41 g/cm³. Very similar densities, as both are glass materials with similar core compositions.
Coefficient of Thermal Expansion (CTE)	~59.9 x 10⁻⁷/°C (0-300°C). CTE is important for how the glass expands and contracts with temperature changes, crucial for bonding to other phone components without stress.	~58.8 x 10⁻⁷/°C (0-300°C). A slightly lower CTE can be beneficial for stability across temperature fluctuations, especially in high-performance devices that might generate more heat.
Refractive Index	~1.51 (at 590 nm). Important for optical clarity and display quality.	~1.51 (at 590 nm). Similar optical properties, ensuring excellent display transparency.
Typical Thickness Range	0.50 mm – 0.70 mm. Reflects its application in mid-range devices where balancing cost and protection is key.	0.4 mm – 1.2 mm. This wider range allows for greater flexibility in device design, from very thin flagships to slightly thicker, more rugged models.

Which Glass is Right for Your Phone?

Do you have a flagship phone?

YES

You likely have
Victus® 2

You likely have
Gorilla® Glass 7i

This is a simplified guide. Manufacturers choose the best components for their devices' goals and price points.

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