GeForce GT 640 Rev. 2 vs GeForce GT 640
GeForce GT 640 Rev. 2
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GeForce GT 640
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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 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 GeForce GT 640 Rev. 2
Performance Per Dollar GeForce GT 640
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The GeForce GT 640 is the superior choice for raw performance. It leads with a 0.1% 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 | GeForce GT 640 |
|---|---|---|
| Performance | ❌Lower raw frame rates (-0.1%) | ✅Leading raw performance (+0.1%) |
| Longevity | 🛑Obsolete Architecture (2013 / Kepler 2.0 (2013−2015)) | 🛑Obsolete Architecture (2012 / Kepler (2012−2018)) |
| 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 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 $99), it costs 49% less, resulting in a 98.2% higher cost efficiency score.
| Insight | GeForce GT 640 Rev. 2 | GeForce GT 640 |
|---|---|---|
| Cost Efficiency | ❌Lower cost efficiency | ✅Better overall value (+98.2%) |
| Upfront Cost | ⚠️Higher upfront cost ($99) | ✅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 GeForce GT 640 Rev. 2 and GeForce GT 640
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.
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 GeForce GT 640 Rev. 2 scores 1,168 and the GeForce GT 640 reaches 1,169 in the G3D Mark benchmark — just a 0.1% difference, making them near-identical in rasterization performance. The GeForce GT 640 Rev. 2 is built on Kepler 2.0 while the GeForce GT 640 uses Kepler, both on a 28 nm process. Shader units: 384 (GeForce GT 640 Rev. 2) vs 384 (GeForce GT 640). Raw compute: 0.8033 TFLOPS (GeForce GT 640 Rev. 2) vs 0.6927 TFLOPS (GeForce GT 640).
| Feature | GeForce GT 640 Rev. 2 | GeForce GT 640 |
|---|---|---|
| G3D Mark Score | 1,168 | 1,169 |
| Architecture | Kepler 2.0 | Kepler |
| Process Node | 28 nm | 28 nm |
| Shading Units | 384 | 384 |
| Compute (TFLOPS) | 0.8033 TFLOPS+16% | 0.6927 TFLOPS |
| ROPs | 8 | 16+100% |
| TMUs | 32 | 32 |
| L1 Cache | 32 KB | 32 KB |
| L2 Cache | 128 KB | 256 KB+100% |
Advanced Features (DLSS/FSR)
| Feature | GeForce GT 640 Rev. 2 | 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)
The GeForce GT 640 Rev. 2 comes with 512 MB of VRAM, while the GeForce GT 640 has 4 GB. The GeForce GT 640 offers 700% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 64-bit vs 128-bit. L2 Cache: 128 KB (GeForce GT 640 Rev. 2) vs 256 KB (GeForce GT 640) — the GeForce GT 640 has significantly larger on-die cache to reduce VRAM reliance.
| Feature | GeForce GT 640 Rev. 2 | GeForce GT 640 |
|---|---|---|
| VRAM Capacity | 0.5 GB | 4 GB+700% |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 64-bit | 128-bit+100% |
| L2 Cache | 128 KB | 256 KB+100% |
Display & API Support
DirectX support: 12 (11_0) (GeForce GT 640 Rev. 2) vs 11.0 (GeForce GT 640). Vulkan: 1.2 vs 1.1. OpenGL: 4.6 vs 4.5. Maximum simultaneous displays: 3 vs 3.
| Feature | GeForce GT 640 Rev. 2 | GeForce GT 640 |
|---|---|---|
| DirectX | 12 (11_0)+9% | 11.0 |
| Vulkan | 1.2+9% | 1.1 |
| OpenGL | 4.6+2% | 4.5 |
| Max Displays | 3 | 3 |
Media & Encoding
Hardware encoder: NVENC (Kepler) (GeForce GT 640 Rev. 2) vs NVENC 1.0 (GeForce GT 640). Decoder: PureVideo HD 5 vs PureVideo HD VP5. Supported codecs: H.264,MPEG-2,VC-1 (GeForce GT 640 Rev. 2) vs MPEG-2,H.264,VC-1,MPEG-4 ASP (GeForce GT 640).
| Feature | GeForce GT 640 Rev. 2 | GeForce GT 640 |
|---|---|---|
| Encoder | NVENC (Kepler) | NVENC 1.0 |
| Decoder | PureVideo HD 5 | PureVideo HD VP5 |
| Codecs | H.264,MPEG-2,VC-1 | MPEG-2,H.264,VC-1,MPEG-4 ASP |
Power & Dimensions
The GeForce GT 640 Rev. 2 draws 49W versus the GeForce GT 640's 65W — a 28.1% difference. The GeForce GT 640 Rev. 2 is more power-efficient. Recommended PSU: 300W (GeForce GT 640 Rev. 2) vs 300W (GeForce GT 640). Power connectors: None vs None. Card length: 145mm vs 145mm, occupying 1 vs 1 slots. Typical load temperature: 65 vs 60°C.
| Feature | GeForce GT 640 Rev. 2 | GeForce GT 640 |
|---|---|---|
| TDP | 49W-25% | 65W |
| Recommended PSU | 300W | 300W |
| Power Connector | None | None |
| Length | 145mm | 145mm |
| Height | 111mm | 111mm |
| Slots | 1 | 1 |
| Temp (Load) | 65 | 60°C-8% |
| Perf/Watt | 23.8+32% | 18.0 |
Value Analysis
The GeForce GT 640 Rev. 2 launched at $99 MSRP and currently averages $99, while the GeForce GT 640 launched at $99 and now averages $50. The GeForce GT 640 costs 49.5% less ($49 savings) at current market prices. Performance per dollar (G3D Mark / price): 11.8 (GeForce GT 640 Rev. 2) vs 23.4 (GeForce GT 640) — the GeForce GT 640 offers 98.3% better value. The GeForce GT 640 Rev. 2 is the newer GPU (2013 vs 2012).
| Feature | GeForce GT 640 Rev. 2 | GeForce GT 640 |
|---|---|---|
| MSRP | $99 | $99 |
| Avg Price (30d) | $99 | $50-49% |
| Performance per Dollar | 11.8 | 23.4+98% |
| Codename | GK208 | GK107 |
| Release | May 29 2013 | June 5 2012 |
| Ranking | #786 | #837 |
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The most powerful gpus ranked by G3D Mark benchmark scores.
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