NVIDIA GeForce GT 640 Rev. 2 vs AMD Radeon HD 8650G
Comparative analysis of NVIDIA GeForce GT 640 Rev. 2 and AMD Radeon HD 8650G 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, PassMark - G2D Mark, PassMark - G3D Mark.
Differences
Reasons to consider the NVIDIA GeForce GT 640 Rev. 2
- Around 96% higher core clock speed: 1046 MHz vs 533 MHz
- A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 32 nm
- 3.1x better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 2309 vs 736
- Around 63% better performance in GFXBench 4.0 - Manhattan (Frames): 3354 vs 2062
- 3.1x better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 2309 vs 736
- Around 63% better performance in GFXBench 4.0 - Manhattan (Fps): 3354 vs 2062
| Specifications (specs) | |
| Core clock speed | 1046 MHz vs 533 MHz |
| Manufacturing process technology | 28 nm vs 32 nm |
| Benchmarks | |
| GFXBench 4.0 - Car Chase Offscreen (Frames) | 2309 vs 736 |
| GFXBench 4.0 - Manhattan (Frames) | 3354 vs 2062 |
| GFXBench 4.0 - Car Chase Offscreen (Fps) | 2309 vs 736 |
| GFXBench 4.0 - Manhattan (Fps) | 3354 vs 2062 |
Reasons to consider the AMD Radeon HD 8650G
- Around 4% better performance in GFXBench 4.0 - T-Rex (Frames): 3353 vs 3220
- Around 4% better performance in GFXBench 4.0 - T-Rex (Fps): 3353 vs 3220
| Benchmarks | |
| GFXBench 4.0 - T-Rex (Frames) | 3353 vs 3220 |
| GFXBench 4.0 - T-Rex (Fps) | 3353 vs 3220 |
Compare benchmarks
GPU 1: NVIDIA GeForce GT 640 Rev. 2
GPU 2: AMD Radeon HD 8650G
| GFXBench 4.0 - Car Chase Offscreen (Frames) |
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| GFXBench 4.0 - Manhattan (Frames) |
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| GFXBench 4.0 - T-Rex (Frames) |
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| GFXBench 4.0 - Car Chase Offscreen (Fps) |
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| GFXBench 4.0 - Manhattan (Fps) |
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| GFXBench 4.0 - T-Rex (Fps) |
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| Name | NVIDIA GeForce GT 640 Rev. 2 | AMD Radeon HD 8650G |
|---|---|---|
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 10.475 | |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 173.537 | |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.032 | |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 8.717 | |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 10.454 | |
| GFXBench 4.0 - Car Chase Offscreen (Frames) | 2309 | 736 |
| GFXBench 4.0 - Manhattan (Frames) | 3354 | 2062 |
| GFXBench 4.0 - T-Rex (Frames) | 3220 | 3353 |
| GFXBench 4.0 - Car Chase Offscreen (Fps) | 2309 | 736 |
| GFXBench 4.0 - Manhattan (Fps) | 3354 | 2062 |
| GFXBench 4.0 - T-Rex (Fps) | 3220 | 3353 |
| Geekbench - OpenCL | 1731 | |
| PassMark - G2D Mark | 139 | |
| PassMark - G3D Mark | 523 |
Compare specifications (specs)
| NVIDIA GeForce GT 640 Rev. 2 | AMD Radeon HD 8650G | |
|---|---|---|
Essentials |
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| Architecture | Kepler 2.0 | Terascale 3 |
| Code name | GK208 | Richland |
| Launch date | 29 May 2013 | 1 May 2013 |
| Launch price (MSRP) | $89 | |
| Place in performance rating | 1275 | 1276 |
| Type | Desktop | Laptop |
Technical info |
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| Core clock speed | 1046 MHz | 533 MHz |
| Floating-point performance | 803.3 gflops | |
| Manufacturing process technology | 28 nm | 32 nm |
| Pipelines | 384 | 384 |
| Texture fill rate | 16.74 GTexel / s | |
| Thermal Design Power (TDP) | 49 Watt | |
| Boost clock speed | 720 MHz | |
Video outputs and ports |
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| Display Connectors | 1x DVI, 1x HDMI, 1x VGA | |
Compatibility, dimensions and requirements |
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| Interface | PCIe 2.0 x8 | |
| Length | 145 mm | |
| Supplementary power connectors | None | |
| Laptop size | medium sized | |
API support |
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| DirectX | 12.0 (11_0) | 11 |
| OpenGL | 4.6 | |
Memory |
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| Maximum RAM amount | 1 GB | |
| Memory bandwidth | 40.06 GB / s | |
| Memory bus width | 64 Bit | |
| Memory clock speed | 5008 MHz | |
| Memory type | GDDR5 | |
| Shared memory | 1 | |
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