GeForce GT 640 vs NVS 810
GeForce GT 640
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NVS 810
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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 640 is positioned at rank 107 and the NVS 810 is on rank 309, so the GeForce GT 640 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 640
Performance Per Dollar NVS 810
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The NVS 810 is the superior choice for raw performance. It leads with a 2% higher G3D Mark score. This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the GeForce GT 640.
| Insight | GeForce GT 640 | NVS 810 |
|---|---|---|
| Performance | ❌Lower raw frame rates (-2%) | ✅Leading raw performance (+2%) |
| Longevity | 🛑Obsolete Architecture (2012 / Kepler (2012−2018)) | 🛑Obsolete Architecture (2015 / Maxwell (2014−2017)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+0%) |
| Efficiency | Normal Efficiency | Normal Efficiency |
| Case Fit | 📏 Compact / SFF Friendly | 📏 Compact / SFF Friendly |
💎 Value Proposition
The GeForce GT 640 offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the GeForce GT 640 holds the technical lead. Priced at $50 (vs $80), it costs 38% less, resulting in a 56.9% higher cost efficiency score.
| Insight | GeForce GT 640 | NVS 810 |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+56.9%) | ❌Lower cost efficiency |
| Upfront Cost | ✅More affordable ($50) | ⚠️Higher upfront cost ($80) |
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 640 and NVS 810
GeForce GT 640
The GeForce GT 640 is manufactured by NVIDIA. It was released in June 5 2012. It features the Kepler architecture. The core clock speed is 902 MHz. It has 384 shading units. The thermal design power (TDP) is 65W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,169 points. Launch price was $99.
NVS 810
The NVS 810 is manufactured by NVIDIA. It was released in November 4 2015. It features the Maxwell architecture. The core clock ranges from 902 MHz to 1033 MHz. It has 512 ×2 shading units. The thermal design power (TDP) is 68W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,192 points.
Graphics Performance
The GeForce GT 640 scores 1,169 and the NVS 810 reaches 1,192 in the G3D Mark benchmark — just a 2% difference, making them near-identical in rasterization performance. The GeForce GT 640 is built on Kepler while the NVS 810 uses Maxwell, both on a 28 nm process. Shader units: 384 (GeForce GT 640) vs 512 (NVS 810). Raw compute: 0.6927 TFLOPS (GeForce GT 640) vs 1.058 TFLOPS ×2 (NVS 810).
| Feature | GeForce GT 640 | NVS 810 |
|---|---|---|
| G3D Mark Score | 1,169 | 1,192+2% |
| Architecture | Kepler | Maxwell |
| Process Node | 28 nm | 28 nm |
| Shading Units | 384 | 512 ×2+33% |
| Compute (TFLOPS) | 0.6927 TFLOPS | 1.058 TFLOPS ×2+53% |
| ROPs | 16 | 16 ×2 |
| TMUs | 32 | 32 ×2 |
| L1 Cache | 32 KB | 256 KB+700% |
| L2 Cache | 0.25 MB | 1 MB+300% |
Advanced Features (DLSS/FSR)
| Feature | GeForce GT 640 | NVS 810 |
|---|---|---|
| Upscaling Tech | FSR 1.0 (Software) | FSR 1.0 (Software) |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | Standard | Standard |
Video Memory (VRAM)
Both cards feature 4 GB of GDDR5. Bus width: 128-bit vs 64-bit. L2 Cache: 0.25 MB (GeForce GT 640) vs 1 MB (NVS 810) — the NVS 810 has significantly larger on-die cache to reduce VRAM reliance.
| Feature | GeForce GT 640 | NVS 810 |
|---|---|---|
| VRAM Capacity | 4 GB | 4 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 128-bit+100% | 64-bit |
| L2 Cache | 0.25 MB | 1 MB+300% |
Display & API Support
DirectX support: 11.0 (GeForce GT 640) vs 12 (12_1) (NVS 810). Vulkan: 1.1 vs 1.3. OpenGL: 4.5 vs 4.6. Maximum simultaneous displays: 3 vs 8.
| Feature | GeForce GT 640 | NVS 810 |
|---|---|---|
| DirectX | 11.0 | 12 (12_1)+9% |
| Vulkan | 1.1 | 1.3+18% |
| OpenGL | 4.5 | 4.6+2% |
| Max Displays | 3 | 8+167% |
Media & Encoding
Hardware encoder: NVENC 1.0 (GeForce GT 640) vs NVENC 5 (NVS 810). Decoder: PureVideo HD VP5 vs NVDEC 2. Supported codecs: MPEG-2,H.264,VC-1,MPEG-4 ASP (GeForce GT 640) vs H.264,H.265 (NVS 810).
| Feature | GeForce GT 640 | NVS 810 |
|---|---|---|
| Encoder | NVENC 1.0 | NVENC 5 |
| Decoder | PureVideo HD VP5 | NVDEC 2 |
| Codecs | MPEG-2,H.264,VC-1,MPEG-4 ASP | H.264,H.265 |
Power & Dimensions
The GeForce GT 640 draws 65W versus the NVS 810's 68W — a 4.5% difference. The GeForce GT 640 is more power-efficient. Recommended PSU: 300W (GeForce GT 640) vs 350W (NVS 810). Power connectors: None vs PCIe-powered. Card length: 145mm vs 198mm, occupying 1 vs 1 slots. Typical load temperature: 60°C vs 80°C.
| Feature | GeForce GT 640 | NVS 810 |
|---|---|---|
| TDP | 65W-4% | 68W |
| Recommended PSU | 300W-14% | 350W |
| Power Connector | None | PCIe-powered |
| Length | 145mm | 198mm |
| Height | 111mm | 111mm |
| Slots | 1 | 1 |
| Temp (Load) | 60°C-25% | 80°C |
| Perf/Watt | 18.0+3% | 17.5 |
Value Analysis
The GeForce GT 640 launched at $99 MSRP and currently averages $50, while the NVS 810 launched at $700 and now averages $80. The GeForce GT 640 costs 37.5% less ($30 savings) at current market prices. Performance per dollar (G3D Mark / price): 23.4 (GeForce GT 640) vs 14.9 (NVS 810) — the GeForce GT 640 offers 57% better value. The NVS 810 is the newer GPU (2015 vs 2012).
| Feature | GeForce GT 640 | NVS 810 |
|---|---|---|
| MSRP | $99-86% | $700 |
| Avg Price (30d) | $50-38% | $80 |
| Performance per Dollar | 23.4+57% | 14.9 |
| Codename | GK107 | GM107 |
| Release | June 5 2012 | November 4 2015 |
| Ranking | #837 | #826 |
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