AMD Radeon HD 8670M vs NVIDIA GeForce GT 640
Comparative analysis of AMD Radeon HD 8670M and NVIDIA GeForce GT 640 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: 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 AMD Radeon HD 8670M
- Videocard is newer: launch date 8 month(s) later
- Around 1% higher memory clock speed: 1800 MHz vs 1782 MHz
- Around 65% better performance in PassMark - G2D Mark: 488 vs 295
- Around 47% better performance in Geekbench - OpenCL: 5532 vs 3766
- Around 20% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.952 vs 0.792
- Around 20% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 17.551 vs 14.637
- 3.4x better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 71.696 vs 20.86
Specifications (specs) | |
Launch date | 1 March 2013 vs 5 June 2012 |
Memory clock speed | 1800 MHz vs 1782 MHz |
Benchmarks | |
PassMark - G2D Mark | 488 vs 295 |
Geekbench - OpenCL | 5532 vs 3766 |
CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.952 vs 0.792 |
CompuBench 1.5 Desktop - Video Composition (Frames/s) | 17.551 vs 14.637 |
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 71.696 vs 20.86 |
Reasons to consider the NVIDIA GeForce GT 640
- Around 16% higher core clock speed: 902 MHz vs 775 MHz
- Around 46% higher texture fill rate: 28.86 GTexel / s vs 19.8 GTexel / s
- Around 9% better floating-point performance: 692.7 gflops vs 633.6 gflops
- 2.3x better performance in PassMark - G3D Mark: 1173 vs 520
- Around 63% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 11.448 vs 7.005
- Around 43% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 206.777 vs 144.131
- 2.1x better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 2134 vs 1039
- Around 33% better performance in GFXBench 4.0 - Manhattan (Frames): 2375 vs 1783
- Around 47% better performance in GFXBench 4.0 - T-Rex (Frames): 3328 vs 2270
- 2.1x better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 2134 vs 1039
- Around 33% better performance in GFXBench 4.0 - Manhattan (Fps): 2375 vs 1783
- Around 47% better performance in GFXBench 4.0 - T-Rex (Fps): 3328 vs 2270
Specifications (specs) | |
Core clock speed | 902 MHz vs 775 MHz |
Texture fill rate | 28.86 GTexel / s vs 19.8 GTexel / s |
Floating-point performance | 692.7 gflops vs 633.6 gflops |
Benchmarks | |
PassMark - G3D Mark | 1173 vs 520 |
CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 11.448 vs 7.005 |
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 206.777 vs 144.131 |
GFXBench 4.0 - Car Chase Offscreen (Frames) | 2134 vs 1039 |
GFXBench 4.0 - Manhattan (Frames) | 2375 vs 1783 |
GFXBench 4.0 - T-Rex (Frames) | 3328 vs 2270 |
GFXBench 4.0 - Car Chase Offscreen (Fps) | 2134 vs 1039 |
GFXBench 4.0 - Manhattan (Fps) | 2375 vs 1783 |
GFXBench 4.0 - T-Rex (Fps) | 3328 vs 2270 |
Compare benchmarks
GPU 1: AMD Radeon HD 8670M
GPU 2: NVIDIA GeForce GT 640
PassMark - G3D Mark |
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PassMark - G2D Mark |
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Geekbench - OpenCL |
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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 - 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 | AMD Radeon HD 8670M | NVIDIA GeForce GT 640 |
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PassMark - G3D Mark | 520 | 1173 |
PassMark - G2D Mark | 488 | 295 |
Geekbench - OpenCL | 5532 | 3766 |
CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 7.005 | 11.448 |
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 144.131 | 206.777 |
CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.952 | 0.792 |
CompuBench 1.5 Desktop - Video Composition (Frames/s) | 17.551 | 14.637 |
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 71.696 | 20.86 |
GFXBench 4.0 - Car Chase Offscreen (Frames) | 1039 | 2134 |
GFXBench 4.0 - Manhattan (Frames) | 1783 | 2375 |
GFXBench 4.0 - T-Rex (Frames) | 2270 | 3328 |
GFXBench 4.0 - Car Chase Offscreen (Fps) | 1039 | 2134 |
GFXBench 4.0 - Manhattan (Fps) | 1783 | 2375 |
GFXBench 4.0 - T-Rex (Fps) | 2270 | 3328 |
3DMark Fire Strike - Graphics Score | 1565 |
Compare specifications (specs)
AMD Radeon HD 8670M | NVIDIA GeForce GT 640 | |
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Essentials |
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Architecture | GCN 1.0 | Kepler |
Code name | Mars | GK107 |
Design | AMD Radeon HD 8000M Series | |
Launch date | 1 March 2013 | 5 June 2012 |
Place in performance rating | 1177 | 1178 |
Type | Desktop | Desktop |
Launch price (MSRP) | $99 | |
Price now | $59.99 | |
Value for money (0-100) | 25.25 | |
Technical info |
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Boost clock speed | 775 MHz | |
Compute units | 6 | |
Core clock speed | 775 MHz | 902 MHz |
Floating-point performance | 633.6 gflops | 692.7 gflops |
Manufacturing process technology | 28 nm | 28 nm |
Pipelines | 384 | 384 |
Texture fill rate | 19.8 GTexel / s | 28.86 GTexel / s |
Transistor count | 1,040 million | 1,270 million |
Thermal Design Power (TDP) | 65 Watt | |
Video outputs and ports |
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Display Connectors | No outputs | 1x DVI, 1x HDMI, 1x DisplayPort |
Compatibility, dimensions and requirements |
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Interface | PCIe 3.0 x8 | PCIe 3.0 x16 |
Laptop size | medium sized | |
Length | 145 mm | |
Supplementary power connectors | None | |
API support |
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DirectX | 11 | 12.0 (11_0) |
OpenGL | 4.4 | 4.6 |
Memory |
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Maximum RAM amount | 2 GB | 2 GB |
Memory bandwidth | 14.4 GB / s | 28.51 GB / s |
Memory bus width | 64 Bit | 128 Bit |
Memory clock speed | 1800 MHz | 1782 MHz |
Memory type | DDR3 | DDR3 |
Shared memory | 0 |