
GeForce GT 635M vs Radeon R5 M255

GeForce GT 635M
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Radeon R5 M255
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Performance Spectrum - GPU
About G3D Mark
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.
Value Upgrade Path
This is the official ChipVERSUS Value Rating, comparing raw performance (G3D Mark) per dollar. Components placed above yours deliver better value for money. The GeForce GT 635M is positioned at rank 138 and the Radeon R5 M255 is on rank 553, so the GeForce GT 635M offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar GeForce GT 635M
Performance Per Dollar Radeon R5 M255
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Radeon R5 M255 is the superior choice for raw performance. It leads with a 0.6% higher G3D Mark score and 166.7% more VRAM (4 GB vs 2 GB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the GeForce GT 635M.
| Insight | GeForce GT 635M | Radeon R5 M255 |
|---|---|---|
| Performance | ❌Lower raw frame rates (-0.6%) | ✅Leading raw performance (+0.6%) |
| Longevity | 🛑Obsolete Architecture (2012 / Kepler (2012−2018)) | 🛑Obsolete Architecture (2014 / GCN 1.0 (2012−2020)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+166.7%) |
| Efficiency | 💡 Excellent Perf/Watt | ⚡ Higher Power Consumption |
| Case Fit | — | — |
💎 Value Proposition
While current pricing data is unavailable, the Radeon R5 M255 remains the clear technical winner. Check real-time availability to determine if the performance gap justifies the market price.
Performance Check
Real-world benchmarks and performance projections based on comprehensive hardware analysis and comparative metrics. Values represent expected performance on High/Ultra settings at 1080p, 1440p, and 4K. Modeled using a Ryzen 7 7800X3D reference profile to minimize specific CPU bottlenecks.
Note: Performance behavior can vary per game. Specific architectures may perform better or worse depending on game engine optimizations and API implementation.
Technical Specifications
Side-by-side comparison of GeForce GT 635M and Radeon R5 M255

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.
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)
| Feature | GeForce GT 635M | Radeon R5 M255 |
|---|---|---|
| Upscaling Tech | FSR 1.0 (Software) | FSR 1.0 (Software) |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | Standard | AMD Anti-Lag |
Video Memory (VRAM)
The GeForce GT 635M comes with 2 GB of VRAM, while the Radeon R5 M255 has 4 GB. The Radeon R5 M255 offers 166.7% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 128-bit.
| 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 Radeon R5 M255 is the newer GPU (2014 vs 2012).
| Feature | GeForce GT 635M | Radeon R5 M255 |
|---|---|---|
| MSRP | — | $150 |
| Avg Price (30d) | — | $30 |
| Codename | GK107 | Venus |
| Release | March 22 2012 | January 28 2014 |
| Ranking | #828 | #851 |
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