AMD Radeon R6 M255DX vs NVIDIA GeForce GT 640
Comparative analysis of AMD Radeon R6 M255DX 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, Technologies. Benchmark videocards performance analysis: Geekbench - OpenCL, GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps), PassMark - G2D Mark, PassMark - G3D Mark, 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), 3DMark Fire Strike - Graphics Score.
Differences
Reasons to consider the AMD Radeon R6 M255DX
- Videocard is newer: launch date 1 year(s) 7 month(s) later
- Around 50% higher pipelines: 576 vs 384
- 4.6x better performance in Geekbench - OpenCL: 17123 vs 3750
- Around 7% better performance in GFXBench 4.0 - T-Rex (Frames): 3563 vs 3328
- Around 7% better performance in GFXBench 4.0 - T-Rex (Fps): 3563 vs 3328
| Specifications (specs) | |
| Launch date | 7 January 2014 vs 5 June 2012 |
| Pipelines | 576 vs 384 |
| Benchmarks | |
| Geekbench - OpenCL | 17123 vs 3750 |
| GFXBench 4.0 - T-Rex (Frames) | 3563 vs 3328 |
| GFXBench 4.0 - T-Rex (Fps) | 3563 vs 3328 |
Reasons to consider the NVIDIA GeForce GT 640
- Around 16% higher core clock speed: 902 MHz vs 780 MHz
- 2x better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 2134 vs 1055
- 2x better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 2134 vs 1055
- Around 23% better performance in GFXBench 4.0 - Manhattan (Frames): 2375 vs 1927
- Around 23% better performance in GFXBench 4.0 - Manhattan (Fps): 2375 vs 1927
- 2.5x better performance in PassMark - G2D Mark: 293 vs 116
- Around 95% better performance in PassMark - G3D Mark: 1177 vs 605
| Specifications (specs) | |
| Core clock speed | 902 MHz vs 780 MHz |
| Benchmarks | |
| GFXBench 4.0 - Car Chase Offscreen (Frames) | 2134 vs 1055 |
| GFXBench 4.0 - Car Chase Offscreen (Fps) | 2134 vs 1055 |
| GFXBench 4.0 - Manhattan (Frames) | 2375 vs 1927 |
| GFXBench 4.0 - Manhattan (Fps) | 2375 vs 1927 |
| PassMark - G2D Mark | 293 vs 116 |
| PassMark - G3D Mark | 1177 vs 605 |
Compare benchmarks
GPU 1: AMD Radeon R6 M255DX
GPU 2: NVIDIA GeForce GT 640
| Geekbench - OpenCL |
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| GFXBench 4.0 - Car Chase Offscreen (Frames) |
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| GFXBench 4.0 - Car Chase Offscreen (Fps) |
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| GFXBench 4.0 - Manhattan (Frames) |
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| GFXBench 4.0 - Manhattan (Fps) |
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| GFXBench 4.0 - T-Rex (Frames) |
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| GFXBench 4.0 - T-Rex (Fps) |
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| PassMark - G2D Mark |
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| PassMark - G3D Mark |
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| Name | AMD Radeon R6 M255DX | NVIDIA GeForce GT 640 |
|---|---|---|
| Geekbench - OpenCL | 17123 | 3750 |
| GFXBench 4.0 - Car Chase Offscreen (Frames) | 1055 | 2134 |
| GFXBench 4.0 - Car Chase Offscreen (Fps) | 1055 | 2134 |
| GFXBench 4.0 - Manhattan (Frames) | 1927 | 2375 |
| GFXBench 4.0 - Manhattan (Fps) | 1927 | 2375 |
| GFXBench 4.0 - T-Rex (Frames) | 3563 | 3328 |
| GFXBench 4.0 - T-Rex (Fps) | 3563 | 3328 |
| PassMark - G2D Mark | 116 | 293 |
| PassMark - G3D Mark | 605 | 1177 |
| 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 | |
| 3DMark Fire Strike - Graphics Score | 1565 |
Compare specifications (specs)
| AMD Radeon R6 M255DX | NVIDIA GeForce GT 640 | |
|---|---|---|
Essentials |
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| Architecture | GCN 1.0 | Kepler |
| Code name | Jet | GK107 |
| Launch date | 7 January 2014 | 5 June 2012 |
| Place in performance rating | 1191 | 1193 |
| Type | Laptop | 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 | 855 MHz | |
| Core clock speed | 780 MHz | 902 MHz |
| Manufacturing process technology | 28 nm | 28 nm |
| Pipelines | 576 | 384 |
| Transistor count | 1,040 million | 1,270 million |
| Floating-point performance | 692.7 gflops | |
| Texture fill rate | 28.86 GTexel / s | |
| 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 | IGP | PCIe 3.0 x16 |
| Laptop size | medium sized | |
| Length | 145 mm | |
| Supplementary power connectors | None | |
API support |
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| DirectX | 12.0 (11_1) | 12.0 (11_0) |
| OpenGL | 4.5 | 4.6 |
Memory |
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| Memory type | DDR3 | DDR3 |
| Shared memory | 1 | |
| Maximum RAM amount | 2 GB | |
| Memory bandwidth | 28.51 GB / s | |
| Memory bus width | 128 Bit | |
| Memory clock speed | 1782 MHz | |
Technologies |
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| AMD Eyefinity | ||
| AppAcceleration | ||
| Enduro | ||
| Powerplay | ||
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