GeForce 820M vs GeForce GT 425M

G3D Mark is a standard benchmark that measures graphics performance in real-world gaming scenarios. It simplifies comparing cards from different brands, where higher scores directly correlate with better fps and smoother gaming experiences.

GeForce 820M vs GeForce GT 425M FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with Ryzen 7 9800X3D to isolate GPU performance.

Search any supported game below to compare 1080p FPS for both components.

GeForce 820M vs GeForce GT 425M: Pros, Cons & Final Verdict

See where each GPU makes more sense in practice: raw FPS, VRAM, features, power draw, pricing, and long-term headroom.

GeForce 820M

2014

Why buy it

✅430.2% more average FPS across 22 tracked games in our benchmark data.
✅100% more VRAM for high-resolution textures and newer games (2 GB vs 1 GB).
✅Draws 33W instead of 45W, a 12W reduction.

Trade-offs

❌2014 hardware with 2 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.

GeForce GT 425M

2013

Why buy it

✅Competitive enough if your priority is price, power, or specific feature preference.

Trade-offs

❌Lower average FPS than GeForce 820M across 22 tracked games in our benchmark data.
❌Less VRAM, with 1 GB vs 2 GB for high-resolution textures and newer games.
❌2013 hardware with 1 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
❌36.4% higher power demand at 45W vs 33W.

Quick Answers

Which GPU is faster for gaming right now?

GeForce 820M is the faster gaming card right now. In our data, it leads by 430.2% in average FPS across 22 tracked games in our benchmark data. PassMark G3D leans toward GeForce GT 425M instead at 499 vs 482, so for this question the real-game FPS result matters more than the synthetic split.

Which GPU is the safer long-term pick for 2026 and beyond?

GeForce 820M is the safer long-term pick for 2026 and beyond. The case is simple: 2 GB vs 1 GB of VRAM and a newer 2014 generation instead of 2013. That gives it more room for heavier textures and higher settings over time.

Which GPU is the better buy today?

GeForce 820M makes the most sense today based on the pricing and value data we have for this matchup.

GeForce 820M vs GeForce GT 425M Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

GeForce 820M

The GeForce 820M is manufactured by NVIDIA. It was released in March 12 2014. It features the Maxwell architecture. The core clock ranges from 1029 MHz to 1124 MHz. It has 384 shading units. The thermal design power (TDP) is 33W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 482 points.

GeForce GT 425M

The GeForce GT 425M is manufactured by NVIDIA. It was released in April 1 2013. It features the Kepler architecture. The core clock speed is 549 MHz. It has 384 shading units. The thermal design power (TDP) is 45W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 499 points.

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Graphics Performance

The GeForce 820M scores 482 and the GeForce GT 425M reaches 499 in the G3D Mark benchmark — just a 3.5% difference, making them near-identical in rasterization performance. The GeForce 820M is built on Maxwell while the GeForce GT 425M uses Kepler, both on a 28 nm process. Shader units: 384 (GeForce 820M) vs 384 (GeForce GT 425M). Raw compute: 0.8632 TFLOPS (GeForce 820M) vs 0.4216 TFLOPS (GeForce GT 425M).

Feature	GeForce 820M	GeForce GT 425M
G3D Mark Score	482	499+4%
Architecture	Maxwell	Kepler
Process Node	28 nm	28 nm
Shading Units	384	384
Compute (TFLOPS)	0.8632 TFLOPS+105%	0.4216 TFLOPS
ROPs	8	16+100%
TMUs	16	32+100%
L1 Cache	192 KB+500%	32 KB
L2 Cache	1 MB+300%	0.25 MB

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Advanced Features (DLSS/FSR)

Feature	GeForce 820M	GeForce GT 425M
Upscaling Tech	Upscaling support	Upscaling support
Frame Generation	Not Supported	Not Supported
Ray Reconstruction	No	No
Low Latency	NVIDIA Reflex	NVIDIA Reflex

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Video Memory (VRAM)

The GeForce 820M has 2 GB of VRAM, while the GeForce GT 425M carries 1 GB. GeForce 820M gives you 100% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is 128-bit on the GeForce 820M and 128-bit on the GeForce GT 425M. L2 Cache: 1 MB (GeForce 820M) vs 0.25 MB (GeForce GT 425M) — the GeForce 820M has significantly larger on-die cache to reduce VRAM reliance.

Feature	GeForce 820M	GeForce GT 425M
VRAM Capacity	2 GB+100%	1 GB
Memory Type	GDDR5	GDDR5
Memory Bandwidth	Unknown	Unknown
Bus Width	128-bit	128-bit
L2 Cache	1 MB+300%	0.25 MB

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Display & API Support

DirectX support: 11.0 (GeForce 820M) vs 11.0 (GeForce GT 425M). Vulkan: None vs None. OpenGL: 4.0 vs 4.0. Maximum simultaneous displays: 1 vs 1.

Feature	GeForce 820M	GeForce GT 425M
DirectX	11.0	11.0
Vulkan	None	None
OpenGL	4.0	4.0
Max Displays	1	1

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Media & Encoding

Hardware encoder: No (GeForce 820M) vs No (GeForce GT 425M). Decoder: PureVideo HD VP4 vs PureVideo HD VP4. Supported codecs: MPEG-2,H.264,VC-1,MPEG-4 ASP (GeForce 820M) vs MPEG-2,H.264,VC-1,MPEG-4 ASP (GeForce GT 425M).

Feature	GeForce 820M	GeForce GT 425M
Encoder	No	No
Decoder	PureVideo HD VP4	PureVideo HD VP4
Codecs	MPEG-2,H.264,VC-1,MPEG-4 ASP	MPEG-2,H.264,VC-1,MPEG-4 ASP

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Power & Dimensions

The GeForce 820M draws 33W versus the GeForce GT 425M's 45W — a 30.8% difference. The GeForce 820M is more power-efficient. Recommended PSU: 350W (GeForce 820M) vs 350W (GeForce GT 425M). Power connectors: Legacy vs PCIe-powered. Card length: 0mm vs 0mm, occupying 0 vs 0 slots. Typical load temperature: 70°C vs 75°C.