GeForce GT 635M vs Radeon R5 M255

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 GT 635M vs Radeon R5 M255 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 GT 635M vs Radeon R5 M255: 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 GT 635M

2012

Why buy it

✅Draws 45W instead of 75W, a 30W reduction.

Trade-offs

❌Lower average FPS than Radeon R5 M255 across 50 tracked games in our benchmark data.
❌Less VRAM, with 2 GB vs 4 GB for high-resolution textures and newer games.
❌2012 hardware with 2 GB 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 3.6 G3D/$ (Unknown MSRP vs $150 MSRP).

Radeon R5 M255

2014

Why buy it

✅23.4% more average FPS across 50 tracked games in our benchmark data.
✅Delivers 100+% more G3D Mark for each dollar spent, at 3.6 vs 0 G3D/$ ($150 MSRP vs Unknown MSRP).
✅166.7% more VRAM for high-resolution textures and newer games (4 GB vs 2 GB).

Trade-offs

❌2014 hardware with 4 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
❌66.7% higher power demand at 75W vs 45W.

Quick Answers

Which GPU is faster for gaming right now?

Radeon R5 M255 is the faster gaming card right now. In our data, it leads by 23.4% in average FPS across 50 tracked games in our benchmark data and by 0.6% in PassMark G3D (543 vs 540), so the answer here is pretty clean.

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

GeForce GT 635M 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?

Radeon R5 M255 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, Radeon R5 M255 is the easier value choice. If you care more about 1080p and some 1440p headroom, GeForce GT 635M has the stronger long-term case.

GeForce GT 635M vs Radeon R5 M255 Technical Specifications

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

GeForce GT 635M

The GeForce GT 635M is manufactured by NVIDIA. It was released in March 22 2012. It features the Kepler architecture. The core clock ranges from Up to 900 MHz to 950 MHz. It has 384 shading units. The thermal design power (TDP) is 45W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 540 points.

Radeon R5 M255

The Radeon R5 M255 is manufactured by AMD. It was released in January 28 2014. It features the GCN 1.0 architecture. The core clock ranges from 900 MHz to 925 MHz. It has 640 shading units. The thermal design power (TDP) is 75W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 543 points. Launch price was $799.99.

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Graphics Performance

The GeForce GT 635M scores 540 and the Radeon R5 M255 reaches 543 in the G3D Mark benchmark — just a 0.6% difference, making them near-identical in rasterization performance. The GeForce GT 635M is built on Kepler while the Radeon R5 M255 uses GCN 1.0, both on a 28 nm process. Shader units: 384 (GeForce GT 635M) vs 640 (Radeon R5 M255). Raw compute: 0.7296 TFLOPS (GeForce GT 635M) vs 1.184 TFLOPS (Radeon R5 M255). Boost clocks: 950 MHz vs 925 MHz.

Feature	GeForce GT 635M	Radeon R5 M255
G3D Mark Score	540	543
Architecture	Kepler	GCN 1.0
Process Node	28 nm	28 nm
Shading Units	384	640+67%
Compute (TFLOPS)	0.7296 TFLOPS	1.184 TFLOPS+62%
Boost Clock	950 MHz+3%	925 MHz
ROPs	16	16
TMUs	32	40+25%
L1 Cache	32 KB	160 KB+400%
L2 Cache	256 KB	256 KB

✨

Advanced Features (DLSS/FSR)

The GeForce GT 635M gets NVIDIA DLSS, which still tends to look cleaner in motion. The Radeon R5 M255 leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.

Feature	GeForce GT 635M	Radeon R5 M255
Upscaling Tech	Upscaling support	FSR Upscaling / FSR 4
Frame Generation	Not Supported	Not Supported
Ray Reconstruction	No	No
Low Latency	NVIDIA Reflex	AMD Anti-Lag

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Video Memory (VRAM)

The GeForce GT 635M has 2 GB of VRAM, while the Radeon R5 M255 carries 4 GB. Radeon R5 M255 gives you 166.7% 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 GT 635M and 128-bit on the Radeon R5 M255.

Feature	GeForce GT 635M	Radeon R5 M255
VRAM Capacity	1.5 GB	4 GB+167%
Memory Type	GDDR5	GDDR5
Memory Bandwidth	Unknown	Unknown
Bus Width	128-bit	128-bit
L2 Cache	256 KB	256 KB

🖥️

Display & API Support

DirectX support: 11.0 (GeForce GT 635M) vs 12 (Radeon R5 M255). OpenGL: 4.1 vs 4.3. Maximum simultaneous displays: 2 vs 2.

Feature	GeForce GT 635M	Radeon R5 M255
DirectX	11.0	12+9%
OpenGL	4.1	4.3+5%
Max Displays	2	2

🎬

Media & Encoding

Hardware encoder: PureVideo HD (VP4) (GeForce GT 635M) vs VCE 3.0 (Radeon R5 M255). Decoder: PureVideo HD (VP4) vs UVD 4.2. Supported codecs: H.264,MPEG-2,VC-1 (GeForce GT 635M) vs H.264,MPEG-4,MPEG-2,VC-1 (Radeon R5 M255).

Feature	GeForce GT 635M	Radeon R5 M255
Encoder	PureVideo HD (VP4)	VCE 3.0
Decoder	PureVideo HD (VP4)	UVD 4.2
Codecs	H.264,MPEG-2,VC-1	H.264,MPEG-4,MPEG-2,VC-1

🔌

Power & Dimensions

The GeForce GT 635M draws 45W versus the Radeon R5 M255's 75W — a 50% difference. The GeForce GT 635M is more power-efficient. Recommended PSU: 350W (GeForce GT 635M) vs 350W (Radeon R5 M255). Power connectors: PCIe-powered vs Mobile. Typical load temperature: 80 vs 80°C.

Feature	GeForce GT 635M	Radeon R5 M255
TDP	45W-40%	75W
Recommended PSU	350W	350W
Power Connector	PCIe-powered	Mobile
Slots	0	0
Temp (Load)	80	80°C
Perf/Watt	12.0+67%	7.2

💰

Value Analysis

The newer card here is Radeon R5 M255 (2014 vs 2012).

Feature	GeForce GT 635M	Radeon R5 M255
MSRP	—	$150
Codename	GK107	Venus
Release	March 22 2012	January 28 2014
Ranking	#828	#851

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