NVIDIA GeForce GT 640 Rev. 2 vs ATI FirePro M7820
Comparative analysis of NVIDIA GeForce GT 640 Rev. 2 and ATI FirePro M7820 videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory. Benchmark videocards performance analysis: CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps), Geekbench - OpenCL.
Differences
Reasons to consider the NVIDIA GeForce GT 640 Rev. 2
- Videocard is newer: launch date 3 year(s) 0 month(s) later
- Around 49% higher core clock speed: 1046 MHz vs 700 MHz
- A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 40 nm
- Around 2% lower typical power consumption: 49 Watt vs 50 Watt
- Around 25% higher memory clock speed: 5008 MHz vs 4000 MHz
- 2.1x better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 10.475 vs 4.956
- Around 24% better performance in GFXBench 4.0 - Manhattan (Frames): 3354 vs 2709
- Around 24% better performance in GFXBench 4.0 - Manhattan (Fps): 3354 vs 2709
| Specifications (specs) | |
| Launch date | 29 May 2013 vs 1 May 2010 |
| Core clock speed | 1046 MHz vs 700 MHz |
| Manufacturing process technology | 28 nm vs 40 nm |
| Thermal Design Power (TDP) | 49 Watt vs 50 Watt |
| Memory clock speed | 5008 MHz vs 4000 MHz |
| Benchmarks | |
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 10.475 vs 4.956 |
| GFXBench 4.0 - Manhattan (Frames) | 3354 vs 2709 |
| GFXBench 4.0 - Manhattan (Fps) | 3354 vs 2709 |
Reasons to consider the ATI FirePro M7820
- Around 67% higher texture fill rate: 28 GTexel / s vs 16.74 GTexel / s
- 2.1x more pipelines: 800 vs 384
- Around 39% better floating-point performance: 1,120.0 gflops vs 803.3 gflops
- 3.5x better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 600.944 vs 173.537
- 27.2x better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.869 vs 0.032
- 2.4x better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 21.146 vs 8.717
- 9.9x better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 103.902 vs 10.454
| Specifications (specs) | |
| Texture fill rate | 28 GTexel / s vs 16.74 GTexel / s |
| Pipelines | 800 vs 384 |
| Floating-point performance | 1,120.0 gflops vs 803.3 gflops |
| Benchmarks | |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 600.944 vs 173.537 |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.869 vs 0.032 |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 21.146 vs 8.717 |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 103.902 vs 10.454 |
Compare benchmarks
GPU 1: NVIDIA GeForce GT 640 Rev. 2
GPU 2: ATI FirePro M7820
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) |
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| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) |
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| CompuBench 1.5 Desktop - T-Rex (Frames/s) |
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| CompuBench 1.5 Desktop - Video Composition (Frames/s) |
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| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) |
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| GFXBench 4.0 - Manhattan (Frames) |
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| GFXBench 4.0 - Manhattan (Fps) |
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| Name | NVIDIA GeForce GT 640 Rev. 2 | ATI FirePro M7820 |
|---|---|---|
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 10.475 | 4.956 |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 173.537 | 600.944 |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.032 | 0.869 |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 8.717 | 21.146 |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 10.454 | 103.902 |
| GFXBench 4.0 - Car Chase Offscreen (Frames) | 2309 | |
| GFXBench 4.0 - Manhattan (Frames) | 3354 | 2709 |
| GFXBench 4.0 - T-Rex (Frames) | 3220 | |
| GFXBench 4.0 - Car Chase Offscreen (Fps) | 2309 | |
| GFXBench 4.0 - Manhattan (Fps) | 3354 | 2709 |
| GFXBench 4.0 - T-Rex (Fps) | 3220 | |
| Geekbench - OpenCL | 15792 |
Compare specifications (specs)
| NVIDIA GeForce GT 640 Rev. 2 | ATI FirePro M7820 | |
|---|---|---|
Essentials |
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| Architecture | Kepler 2.0 | TeraScale 2 |
| Code name | GK208 | Broadway |
| Launch date | 29 May 2013 | 1 May 2010 |
| Launch price (MSRP) | $89 | |
| Place in performance rating | 1278 | 1281 |
| Type | Desktop | Mobile workstation |
Technical info |
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| Core clock speed | 1046 MHz | 700 MHz |
| Floating-point performance | 803.3 gflops | 1,120.0 gflops |
| Manufacturing process technology | 28 nm | 40 nm |
| Pipelines | 384 | 800 |
| Texture fill rate | 16.74 GTexel / s | 28 GTexel / s |
| Thermal Design Power (TDP) | 49 Watt | 50 Watt |
| Transistor count | 1,040 million | |
Video outputs and ports |
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| Display Connectors | 1x DVI, 1x HDMI, 1x VGA | No outputs |
Compatibility, dimensions and requirements |
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| Interface | PCIe 2.0 x8 | PCIe 2.0 x16 |
| Length | 145 mm | |
| Supplementary power connectors | None | None |
| Laptop size | large | |
API support |
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| DirectX | 12.0 (11_0) | 11.2 (11_0) |
| OpenGL | 4.6 | 4.4 |
Memory |
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| Maximum RAM amount | 1 GB | 1 GB |
| Memory bandwidth | 40.06 GB / s | 64.0 GB / s |
| Memory bus width | 64 Bit | 128 Bit |
| Memory clock speed | 5008 MHz | 4000 MHz |
| Memory type | GDDR5 | GDDR5 |
| Shared memory | 0 | |
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