GeForce 810M vs GeForce GT 420

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 810M vs GeForce GT 420 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 810M vs GeForce GT 420: 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 810M

2014

Why buy it

✅26.6% more average FPS across 50 tracked games in our benchmark data.
✅Draws 33W instead of 64W, a 31W reduction.

Trade-offs

❌Less VRAM, with 512 MB vs 1 GB for high-resolution textures and newer games.
❌2014 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
❌Lower G3D Mark per dollar, at 0 vs 5.5 G3D/$ (Unknown MSRP vs $79 MSRP).

GeForce GT 420

2014

Why buy it

✅Delivers 100+% more G3D Mark for each dollar spent, at 5.5 vs 0 G3D/$ ($79 MSRP vs Unknown MSRP).
✅100% more VRAM for high-resolution textures and newer games (1 GB vs 512 MB).
✅More future proof: Kepler (2012−2018) on 28nm with a newer platform for upcoming games.

Trade-offs

❌Lower average FPS than GeForce 810M across 50 tracked games in our benchmark data.
❌2014 hardware with 1 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
❌93.9% higher power demand at 64W vs 33W.

Quick Answers

Which GPU is faster for gaming right now?

GeForce 810M is the faster gaming card right now. In our data, it leads by 26.6% in average FPS across 50 tracked games in our benchmark data. PassMark G3D leans toward GeForce GT 420 instead at 432 vs 420, 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 810M is the safer long-term pick for 2026 and beyond because it comes out ahead on the available hardware-headroom signals for this matchup.

Which GPU is the better buy today?

GeForce GT 420 makes the most sense today based on the pricing and value data we have for this matchup. If you are mainly targeting 1080p and some 1440p, GeForce GT 420 is the easier value choice. If you care more about 1080p and some 1440p headroom, GeForce 810M has the stronger long-term case.

GeForce 810M vs GeForce GT 420 Technical Specifications

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

GeForce 810M

The GeForce 810M 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: 420 points.

GeForce GT 420

The GeForce GT 420 is manufactured by NVIDIA. It was released in May 29 2014. It features the Kepler architecture. The core clock speed is 993 MHz. It has 384 shading units. The thermal design power (TDP) is 64W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 432 points. Launch price was $89.

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Graphics Performance

The GeForce 810M scores 420 and the GeForce GT 420 reaches 432 in the G3D Mark benchmark — just a 2.9% difference, making them near-identical in rasterization performance. The GeForce 810M is built on Maxwell while the GeForce GT 420 uses Kepler, both on a 28 nm process. Shader units: 384 (GeForce 810M) vs 384 (GeForce GT 420). Raw compute: 0.8632 TFLOPS (GeForce 810M) vs 0.7626 TFLOPS (GeForce GT 420).

Feature	GeForce 810M	GeForce GT 420
G3D Mark Score	420	432+3%
Architecture	Maxwell	Kepler
Process Node	28 nm	28 nm
Shading Units	384	384
Compute (TFLOPS)	0.8632 TFLOPS+13%	0.7626 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 810M	GeForce GT 420
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 810M has 512 MB of VRAM, while the GeForce GT 420 carries 1 GB. GeForce GT 420 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 810M and 128-bit on the GeForce GT 420. L2 Cache: 1 MB (GeForce 810M) vs 0.25 MB (GeForce GT 420) — the GeForce 810M has significantly larger on-die cache to reduce VRAM reliance.

Feature	GeForce 810M	GeForce GT 420
VRAM Capacity	0.5 GB	1 GB+100%
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: 12 (11_0) (GeForce 810M) vs 12 (11_0) (GeForce GT 420). Vulkan: 1.2 vs N/A. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 2 vs 2.

Feature	GeForce 810M	GeForce GT 420
DirectX	12 (11_0)	12 (11_0)
Vulkan	1.2	N/A
OpenGL	4.6	4.6
Max Displays	2	2

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Media & Encoding

Hardware encoder: NVENC 1st Gen (GeForce 810M) vs None (GeForce GT 420). Decoder: NVDEC vs VP4. Supported codecs: H.264,MPEG-2,VC-1 (GeForce 810M) vs H.264,MPEG-2,VC-1,MPEG-4 (GeForce GT 420).

Feature	GeForce 810M	GeForce GT 420
Encoder	NVENC 1st Gen	None
Decoder	NVDEC	VP4
Codecs	H.264,MPEG-2,VC-1	H.264,MPEG-2,VC-1,MPEG-4

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Power & Dimensions

The GeForce 810M draws 33W versus the GeForce GT 420's 64W — a 63.9% difference. The GeForce 810M is more power-efficient. Recommended PSU: 350W (GeForce 810M) vs 250W (GeForce GT 420). Power connectors: Legacy vs None. Card length: 0mm vs 145mm, occupying 0 vs 1 slots. Typical load temperature: 85 vs 80.