GeForce GT 635 vs Radeon HD 3850 X2
GeForce GT 635
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Radeon HD 3850 X2
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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 635 is positioned at rank 152 and the Radeon HD 3850 X2 is on rank 303, so the GeForce GT 635 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 635
Performance Per Dollar Radeon HD 3850 X2
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Radeon HD 3850 X2 is the superior choice for raw performance. It leads with a 1.5% higher G3D Mark score and 100% more VRAM (1 GB vs 512 MB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the GeForce GT 635.
| Insight | GeForce GT 635 | Radeon HD 3850 X2 |
|---|---|---|
| Performance | ❌Lower raw frame rates (-1.5%) | ✅Leading raw performance (+1.5%) |
| Longevity | 🛑Obsolete Architecture (2010 / Fermi (2010−2014)) | 🛑Obsolete Architecture (2011 / TeraScale 2 (2009−2015)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+100%) |
| Efficiency | 💡 Excellent Perf/Watt | ⚡ Higher Power Consumption |
| Case Fit | 📏 Compact / SFF Friendly | Standard Size (267mm) |
💎 Value Proposition
The GeForce GT 635 offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the GeForce GT 635 holds the technical lead. Priced at $20 (vs $349), it costs 94% less, resulting in a 1619.5% higher cost efficiency score.
| Insight | GeForce GT 635 | Radeon HD 3850 X2 |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+1619.5%) | ❌Lower cost efficiency |
| Upfront Cost | ✅More affordable ($20) | ⚠️Higher upfront cost ($349) |
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 635 and Radeon HD 3850 X2
GeForce GT 635
The GeForce GT 635 is manufactured by NVIDIA. It was released in May 31 2010. It features the Fermi architecture. The core clock speed is 607 MHz. It has 352 shading units. The thermal design power (TDP) is 200W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 810 points. Launch price was $279.
Radeon HD 3850 X2
The Radeon HD 3850 X2 is manufactured by AMD. It was released in September 19 2011. It features the TeraScale 2 architecture. The core clock speed is 800 MHz. It has 960 ×2 shading units. The thermal design power (TDP) is 254W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 822 points.
Graphics Performance
The GeForce GT 635 scores 810 and the Radeon HD 3850 X2 reaches 822 in the G3D Mark benchmark — just a 1.5% difference, making them near-identical in rasterization performance. The GeForce GT 635 is built on Fermi while the Radeon HD 3850 X2 uses TeraScale 2, both on a 40 nm process. Shader units: 352 (GeForce GT 635) vs 960 (Radeon HD 3850 X2). Raw compute: 0.8554 TFLOPS (GeForce GT 635) vs 1.536 TFLOPS ×2 (Radeon HD 3850 X2).
| Feature | GeForce GT 635 | Radeon HD 3850 X2 |
|---|---|---|
| G3D Mark Score | 810 | 822+1% |
| Architecture | Fermi | TeraScale 2 |
| Process Node | 40 nm | 40 nm |
| Shading Units | 352 | 960 ×2+173% |
| Compute (TFLOPS) | 0.8554 TFLOPS | 1.536 TFLOPS ×2+80% |
| ROPs | 32 | 32 ×2 |
| TMUs | 44 | 48 ×2+9% |
| L1 Cache | 704 KB+267% | 192 KB |
| L2 Cache | 512 KB | 512 KB |
Advanced Features (DLSS/FSR)
| Feature | GeForce GT 635 | Radeon HD 3850 X2 |
|---|---|---|
| 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 635 comes with 512 MB of VRAM, while the Radeon HD 3850 X2 has 1 GB. The Radeon HD 3850 X2 offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 128-bit.
| Feature | GeForce GT 635 | Radeon HD 3850 X2 |
|---|---|---|
| VRAM Capacity | 0.5 GB | 1 GB+100% |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 128-bit | 128-bit |
| L2 Cache | 512 KB | 512 KB |
Display & API Support
DirectX support: 12 (11_0) (GeForce GT 635) vs 10.1 (Radeon HD 3850 X2). OpenGL: 4.6 vs 3.3. Maximum simultaneous displays: 3 vs 2.
| Feature | GeForce GT 635 | Radeon HD 3850 X2 |
|---|---|---|
| DirectX | 12 (11_0)+19% | 10.1 |
| OpenGL | 4.6+39% | 3.3 |
| Max Displays | 3+50% | 2 |
Media & Encoding
Decoder: PureVideo HD VP5 vs UVD+. Supported codecs: H.264,VC-1,MPEG-2 (GeForce GT 635) vs H.264,VC-1,MPEG-2 (Radeon HD 3850 X2).
| Feature | GeForce GT 635 | Radeon HD 3850 X2 |
|---|---|---|
| Encoder | NVENC (1st Gen) | — |
| Decoder | PureVideo HD VP5 | UVD+ |
| Codecs | H.264,VC-1,MPEG-2 | H.264,VC-1,MPEG-2 |
Power & Dimensions
The GeForce GT 635 draws 200W versus the Radeon HD 3850 X2's 254W — a 23.8% difference. The GeForce GT 635 is more power-efficient. Recommended PSU: 200W (GeForce GT 635) vs 450W (Radeon HD 3850 X2). Power connectors: None vs 2x 6-pin. Card length: 145mm vs 267mm, occupying 1 vs 2 slots. Typical load temperature: 75°C vs 90°C.
| Feature | GeForce GT 635 | Radeon HD 3850 X2 |
|---|---|---|
| TDP | 200W-21% | 254W |
| Recommended PSU | 200W-56% | 450W |
| Power Connector | None | 2x 6-pin |
| Length | 145mm | 267mm |
| Height | 111mm | — |
| Slots | 1-50% | 2 |
| Temp (Load) | 75°C-17% | 90°C |
| Perf/Watt | 4.0+25% | 3.2 |
Value Analysis
The GeForce GT 635 launched at $99 MSRP and currently averages $20, while the Radeon HD 3850 X2 launched at $349 and now averages $349. The GeForce GT 635 costs 94.3% less ($329 savings) at current market prices. Performance per dollar (G3D Mark / price): 40.5 (GeForce GT 635) vs 2.4 (Radeon HD 3850 X2) — the GeForce GT 635 offers 1587.5% better value. The Radeon HD 3850 X2 is the newer GPU (2011 vs 2010).
| Feature | GeForce GT 635 | Radeon HD 3850 X2 |
|---|---|---|
| MSRP | $99-72% | $349 |
| Avg Price (30d) | $20-94% | $349 |
| Performance per Dollar | 40.5+1588% | 2.4 |
| Codename | GF100 | Barts |
| Release | May 31 2010 | September 19 2011 |
| Ranking | #618 | #630 |
Top Performing GPUs
The most powerful gpus ranked by G3D Mark benchmark scores.
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