CPU
GPU
NVS 810
Popular choices:
GeForce GT 640
Popular choices:
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 NVS 810 is positioned at rank 309 and the GeForce GT 640 is on rank 107, 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 NVS 810
Performance Per Dollar GeForce GT 640
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 | NVS 810 | GeForce GT 640 |
|---|---|---|
| Performance | ✅Leading raw performance (+2%) | ❌Lower raw frame rates (-2%) |
| Longevity | 🛑Obsolete Architecture (2015 / Maxwell (2014−2017)) | 🛑Obsolete Architecture (2012 / Kepler (2012−2018)) |
| 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 | NVS 810 | GeForce GT 640 |
|---|---|---|
| Cost Efficiency | ❌Lower cost efficiency | ✅Better overall value (+56.9%) |
| Upfront Cost | ⚠️Higher upfront cost ($80) | ✅More affordable ($50) |
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 NVS 810 and GeForce GT 640
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.
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.
Graphics Performance
The NVS 810 scores 1,192 and the GeForce GT 640 reaches 1,169 in the G3D Mark benchmark — just a 2% difference, making them near-identical in rasterization performance. The NVS 810 is built on Maxwell while the GeForce GT 640 uses Kepler, both on a 28 nm process. Shader units: 512 (NVS 810) vs 384 (GeForce GT 640). Raw compute: 1.058 TFLOPS ×2 (NVS 810) vs 0.6927 TFLOPS (GeForce GT 640).
| Feature | NVS 810 | GeForce GT 640 |
|---|---|---|
| G3D Mark Score | 1,192+2% | 1,169 |
| Architecture | Maxwell | Kepler |
| Process Node | 28 nm | 28 nm |
| Shading Units | 512 ×2+33% | 384 |
| Compute (TFLOPS) | 1.058 TFLOPS ×2+53% | 0.6927 TFLOPS |
| ROPs | 16 ×2 | 16 |
| TMUs | 32 ×2 | 32 |
| L1 Cache | 256 KB+700% | 32 KB |
| L2 Cache | 1 MB+300% | 0.25 MB |
Advanced Features (DLSS/FSR)
| Feature | NVS 810 | GeForce GT 640 |
|---|---|---|
| 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: 64-bit vs 128-bit. L2 Cache: 1 MB (NVS 810) vs 0.25 MB (GeForce GT 640) — the NVS 810 has significantly larger on-die cache to reduce VRAM reliance.
| Feature | NVS 810 | GeForce GT 640 |
|---|---|---|
| VRAM Capacity | 4 GB | 4 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 64-bit | 128-bit+100% |
| L2 Cache | 1 MB+300% | 0.25 MB |
Display & API Support
DirectX support: 12 (12_1) (NVS 810) vs 11.0 (GeForce GT 640). Vulkan: 1.3 vs 1.1. OpenGL: 4.6 vs 4.5. Maximum simultaneous displays: 8 vs 3.
| Feature | NVS 810 | GeForce GT 640 |
|---|---|---|
| DirectX | 12 (12_1)+9% | 11.0 |
| Vulkan | 1.3+18% | 1.1 |
| OpenGL | 4.6+2% | 4.5 |
| Max Displays | 8+167% | 3 |
Media & Encoding
Hardware encoder: NVENC 5 (NVS 810) vs NVENC 1.0 (GeForce GT 640). Decoder: NVDEC 2 vs PureVideo HD VP5. Supported codecs: H.264,H.265 (NVS 810) vs MPEG-2,H.264,VC-1,MPEG-4 ASP (GeForce GT 640).
| Feature | NVS 810 | GeForce GT 640 |
|---|---|---|
| Encoder | NVENC 5 | NVENC 1.0 |
| Decoder | NVDEC 2 | PureVideo HD VP5 |
| Codecs | H.264,H.265 | MPEG-2,H.264,VC-1,MPEG-4 ASP |
Power & Dimensions
The NVS 810 draws 68W versus the GeForce GT 640's 65W — a 4.5% difference. The GeForce GT 640 is more power-efficient. Recommended PSU: 350W (NVS 810) vs 300W (GeForce GT 640). Power connectors: PCIe-powered vs None. Card length: 198mm vs 145mm, occupying 1 vs 1 slots. Typical load temperature: 80°C vs 60°C.
| Feature | NVS 810 | GeForce GT 640 |
|---|---|---|
| TDP | 68W | 65W-4% |
| Recommended PSU | 350W | 300W-14% |
| Power Connector | PCIe-powered | None |
| Length | 198mm | 145mm |
| Height | 111mm | 111mm |
| Slots | 1 | 1 |
| Temp (Load) | 80°C | 60°C-25% |
| Perf/Watt | 17.5 | 18.0+3% |
Value Analysis
The NVS 810 launched at $700 MSRP and currently averages $80, while the GeForce GT 640 launched at $99 and now averages $50. The GeForce GT 640 costs 37.5% less ($30 savings) at current market prices. Performance per dollar (G3D Mark / price): 14.9 (NVS 810) vs 23.4 (GeForce GT 640) — the GeForce GT 640 offers 57% better value. The NVS 810 is the newer GPU (2015 vs 2012).
| Feature | NVS 810 | GeForce GT 640 |
|---|---|---|
| MSRP | $700 | $99-86% |
| Avg Price (30d) | $80 | $50-38% |
| Performance per Dollar | 14.9 | 23.4+57% |
| Codename | GM107 | GK107 |
| Release | November 4 2015 | June 5 2012 |
| Ranking | #826 | #837 |
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