NVIDIA GeForce GT 640 vs NVIDIA GeForce 8800 GT
Comparative analysis of NVIDIA GeForce GT 640 and NVIDIA GeForce 8800 GT videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory, Technologies. Benchmark videocards performance analysis: PassMark - G3D Mark, PassMark - G2D Mark, Geekbench - OpenCL, 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), 3DMark Fire Strike - Graphics Score.
Differences
Reasons to consider the NVIDIA GeForce GT 640
- Videocard is newer: launch date 4 year(s) 7 month(s) later
- 3.4x more pipelines: 384 vs 112
- 2.1x better floating-point performance: 692.7 gflops vs 336.0 gflops
- A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 65 nm
- Around 62% lower typical power consumption: 65 Watt vs 105 Watt
- 4x more maximum memory size: 2 GB vs 512 MB
- Around 98% higher memory clock speed: 1782 MHz vs 900 MHz
- 2.5x better performance in PassMark - G3D Mark: 1170 vs 463
- 6x better performance in PassMark - G2D Mark: 295 vs 49
| Specifications (specs) | |
| Launch date | 5 June 2012 vs 29 October 2007 |
| Pipelines | 384 vs 112 |
| Floating-point performance | 692.7 gflops vs 336.0 gflops |
| Manufacturing process technology | 28 nm vs 65 nm |
| Thermal Design Power (TDP) | 65 Watt vs 105 Watt |
| Maximum memory size | 2 GB vs 512 MB |
| Memory clock speed | 1782 MHz vs 900 MHz |
| Benchmarks | |
| PassMark - G3D Mark | 1170 vs 463 |
| PassMark - G2D Mark | 295 vs 49 |
Reasons to consider the NVIDIA GeForce 8800 GT
- Around 66% higher core clock speed: 1500 MHz vs 902 MHz
- Around 16% higher texture fill rate: 33.6 billion / sec vs 28.86 GTexel / s
- Around 1% better performance in GFXBench 4.0 - T-Rex (Frames): 3346 vs 3328
- Around 1% better performance in GFXBench 4.0 - T-Rex (Fps): 3346 vs 3328
| Specifications (specs) | |
| Core clock speed | 1500 MHz vs 902 MHz |
| Texture fill rate | 33.6 billion / sec vs 28.86 GTexel / s |
| Benchmarks | |
| GFXBench 4.0 - T-Rex (Frames) | 3346 vs 3328 |
| GFXBench 4.0 - T-Rex (Fps) | 3346 vs 3328 |
Compare benchmarks
GPU 1: NVIDIA GeForce GT 640
GPU 2: NVIDIA GeForce 8800 GT
| PassMark - G3D Mark |
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| PassMark - G2D Mark |
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| GFXBench 4.0 - T-Rex (Frames) |
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| GFXBench 4.0 - T-Rex (Fps) |
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| Name | NVIDIA GeForce GT 640 | NVIDIA GeForce 8800 GT |
|---|---|---|
| PassMark - G3D Mark | 1170 | 463 |
| PassMark - G2D Mark | 295 | 49 |
| Geekbench - OpenCL | 3771 | |
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 11.448 | |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 206.777 | |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.792 | |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 14.637 | |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 20.86 | |
| GFXBench 4.0 - Car Chase Offscreen (Frames) | 2134 | |
| GFXBench 4.0 - Manhattan (Frames) | 2375 | |
| GFXBench 4.0 - T-Rex (Frames) | 3328 | 3346 |
| GFXBench 4.0 - Car Chase Offscreen (Fps) | 2134 | |
| GFXBench 4.0 - Manhattan (Fps) | 2375 | |
| GFXBench 4.0 - T-Rex (Fps) | 3328 | 3346 |
| 3DMark Fire Strike - Graphics Score | 1565 |
Compare specifications (specs)
| NVIDIA GeForce GT 640 | NVIDIA GeForce 8800 GT | |
|---|---|---|
Essentials |
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| Architecture | Kepler | Tesla |
| Code name | GK107 | G92 |
| Launch date | 5 June 2012 | 29 October 2007 |
| Launch price (MSRP) | $99 | $349 |
| Place in performance rating | 1158 | 1399 |
| Price now | $59.99 | |
| Type | Desktop | Desktop |
| Value for money (0-100) | 25.25 | |
Technical info |
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| Core clock speed | 902 MHz | 1500 MHz |
| Floating-point performance | 692.7 gflops | 336.0 gflops |
| Manufacturing process technology | 28 nm | 65 nm |
| Pipelines | 384 | 112 |
| Texture fill rate | 28.86 GTexel / s | 33.6 billion / sec |
| Thermal Design Power (TDP) | 65 Watt | 105 Watt |
| Transistor count | 1,270 million | 754 million |
| CUDA cores | 112 | |
| Maximum GPU temperature | 105 °C | |
Video outputs and ports |
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| Display Connectors | 1x DVI, 1x HDMI, 1x DisplayPort | 2x DVI, 1x S-Video, Dual Link DVIHDTV |
| Audio input for HDMI | S / PDIF | |
| Maximum VGA resolution | 2048x1536 | |
| Multi monitor support | ||
Compatibility, dimensions and requirements |
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| Interface | PCIe 3.0 x16 | PCIe 2.0 x16 |
| Length | 145 mm | 9" (22.9 cm) |
| Supplementary power connectors | None | 6-pin & 8-pin |
| Bus support | PCI-E 2.0 | |
| SLI options | 2-way | |
API support |
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| DirectX | 12.0 (11_0) | 10.0 |
| OpenGL | 4.6 | 2.1 |
Memory |
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| Maximum RAM amount | 2 GB | 512 MB |
| Memory bandwidth | 28.51 GB / s | 57.6 GB / s |
| Memory bus width | 128 Bit | 256 Bit |
| Memory clock speed | 1782 MHz | 900 MHz |
| Memory type | DDR3 | GDDR3 |
Technologies |
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| 3D Vision | ||
| CUDA | ||
| High Dynamic-Range Lighting (HDRR) | 128bit | |
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