GeForce GT 640 Rev. 2 vs NVS 810
GeForce GT 640 Rev. 2
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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 Rev. 2 is positioned at rank 109 and the NVS 810 is on rank 309, so the GeForce GT 640 Rev. 2 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 Rev. 2
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 2.1% higher G3D Mark score and 700% more VRAM (4 GB vs 512 MB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the GeForce GT 640 Rev. 2.
| Insight | GeForce GT 640 Rev. 2 | NVS 810 |
|---|---|---|
| Performance | ❌Lower raw frame rates (-2.1%) | ✅Leading raw performance (+2.1%) |
| Longevity | 🛑Obsolete Architecture (2013 / Kepler 2.0 (2013−2015)) | 🛑Obsolete Architecture (2015 / Maxwell (2014−2017)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+700%) |
| Efficiency | 💡 Excellent Perf/Watt | ⚡ Higher Power Consumption |
| Case Fit | 📏 Compact / SFF Friendly | 📏 Compact / SFF Friendly |
💎 Value Proposition
The NVS 810 offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the NVS 810 holds the technical lead. Priced at $80 (vs $99), it costs 19% less, resulting in a 26.3% higher cost efficiency score.
| Insight | GeForce GT 640 Rev. 2 | NVS 810 |
|---|---|---|
| Cost Efficiency | ❌Lower cost efficiency | ✅Better overall value (+26.3%) |
| Upfront Cost | ⚠️Higher upfront cost ($99) | ✅More affordable ($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 Rev. 2 and NVS 810
GeForce GT 640 Rev. 2
The GeForce GT 640 Rev. 2 is manufactured by NVIDIA. It was released in May 29 2013. It features the Kepler 2.0 architecture. The core clock speed is 1046 MHz. It has 384 shading units. The thermal design power (TDP) is 49W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,168 points. Launch price was $89.
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 Rev. 2 scores 1,168 and the NVS 810 reaches 1,192 in the G3D Mark benchmark — just a 2.1% difference, making them near-identical in rasterization performance. The GeForce GT 640 Rev. 2 is built on Kepler 2.0 while the NVS 810 uses Maxwell, both on a 28 nm process. Shader units: 384 (GeForce GT 640 Rev. 2) vs 512 (NVS 810). Raw compute: 0.8033 TFLOPS (GeForce GT 640 Rev. 2) vs 1.058 TFLOPS ×2 (NVS 810).
| Feature | GeForce GT 640 Rev. 2 | NVS 810 |
|---|---|---|
| G3D Mark Score | 1,168 | 1,192+2% |
| Architecture | Kepler 2.0 | Maxwell |
| Process Node | 28 nm | 28 nm |
| Shading Units | 384 | 512 ×2+33% |
| Compute (TFLOPS) | 0.8033 TFLOPS | 1.058 TFLOPS ×2+32% |
| ROPs | 8 | 16 ×2+100% |
| TMUs | 32 | 32 ×2 |
| L1 Cache | 32 KB | 256 KB+700% |
| L2 Cache | 0.13 MB | 1 MB+669% |
Advanced Features (DLSS/FSR)
| Feature | GeForce GT 640 Rev. 2 | 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)
The GeForce GT 640 Rev. 2 comes with 512 MB of VRAM, while the NVS 810 has 4 GB. The NVS 810 offers 700% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 64-bit vs 64-bit. L2 Cache: 0.13 MB (GeForce GT 640 Rev. 2) vs 1 MB (NVS 810) — the NVS 810 has significantly larger on-die cache to reduce VRAM reliance.
| Feature | GeForce GT 640 Rev. 2 | NVS 810 |
|---|---|---|
| VRAM Capacity | 0.5 GB | 4 GB+700% |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 64-bit | 64-bit |
| L2 Cache | 0.13 MB | 1 MB+669% |
Display & API Support
DirectX support: 12 (11_0) (GeForce GT 640 Rev. 2) vs 12 (12_1) (NVS 810). Vulkan: 1.2 vs 1.3. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 3 vs 8.
| Feature | GeForce GT 640 Rev. 2 | NVS 810 |
|---|---|---|
| DirectX | 12 (11_0) | 12 (12_1) |
| Vulkan | 1.2 | 1.3+8% |
| OpenGL | 4.6 | 4.6 |
| Max Displays | 3 | 8+167% |
Media & Encoding
Hardware encoder: NVENC (Kepler) (GeForce GT 640 Rev. 2) vs NVENC 5 (NVS 810). Decoder: PureVideo HD 5 vs NVDEC 2. Supported codecs: H.264,MPEG-2,VC-1 (GeForce GT 640 Rev. 2) vs H.264,H.265 (NVS 810).
| Feature | GeForce GT 640 Rev. 2 | NVS 810 |
|---|---|---|
| Encoder | NVENC (Kepler) | NVENC 5 |
| Decoder | PureVideo HD 5 | NVDEC 2 |
| Codecs | H.264,MPEG-2,VC-1 | H.264,H.265 |
Power & Dimensions
The GeForce GT 640 Rev. 2 draws 49W versus the NVS 810's 68W — a 32.5% difference. The GeForce GT 640 Rev. 2 is more power-efficient. Recommended PSU: 300W (GeForce GT 640 Rev. 2) vs 350W (NVS 810). Power connectors: None vs PCIe-powered. Card length: 145mm vs 198mm, occupying 1 vs 1 slots. Typical load temperature: 65 vs 80°C.
| Feature | GeForce GT 640 Rev. 2 | NVS 810 |
|---|---|---|
| TDP | 49W-28% | 68W |
| Recommended PSU | 300W-14% | 350W |
| Power Connector | None | PCIe-powered |
| Length | 145mm | 198mm |
| Height | 111mm | 111mm |
| Slots | 1 | 1 |
| Temp (Load) | 65-19% | 80°C |
| Perf/Watt | 23.8+36% | 17.5 |
Value Analysis
The GeForce GT 640 Rev. 2 launched at $99 MSRP and currently averages $99, while the NVS 810 launched at $700 and now averages $80. The NVS 810 costs 19.2% less ($19 savings) at current market prices. Performance per dollar (G3D Mark / price): 11.8 (GeForce GT 640 Rev. 2) vs 14.9 (NVS 810) — the NVS 810 offers 26.3% better value. The NVS 810 is the newer GPU (2015 vs 2013).
| Feature | GeForce GT 640 Rev. 2 | NVS 810 |
|---|---|---|
| MSRP | $99-86% | $700 |
| Avg Price (30d) | $99 | $80-19% |
| Performance per Dollar | 11.8 | 14.9+26% |
| Codename | GK208 | GM107 |
| Release | May 29 2013 | November 4 2015 |
| Ranking | #786 | #826 |
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The most powerful gpus ranked by G3D Mark benchmark scores.
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