NVIDIA Tesla K20s vs NVIDIA GeForce GT 640M Mac Edition
Comparative analysis of NVIDIA Tesla K20s and NVIDIA GeForce GT 640M Mac Edition 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).
Differences
Reasons to consider the NVIDIA Tesla K20s
- 6.2x more texture fill rate: 146.8 GTexel / s vs 23.84 GTexel / s
- 6.5x more pipelines: 2496 vs 384
- 6.2x better floating-point performance: 3,524 gflops vs 572.2 gflops
- 10x more maximum memory size: 5 GB vs 512 MB
- Around 4% higher memory clock speed: 5200 MHz vs 5000 MHz
Texture fill rate | 146.8 GTexel / s vs 23.84 GTexel / s |
Pipelines | 2496 vs 384 |
Floating-point performance | 3,524 gflops vs 572.2 gflops |
Maximum memory size | 5 GB vs 512 MB |
Memory clock speed | 5200 MHz vs 5000 MHz |
Reasons to consider the NVIDIA GeForce GT 640M Mac Edition
- Around 6% higher core clock speed: 745 MHz vs 706 MHz
- 7x lower typical power consumption: 32 Watt vs 225 Watt
Core clock speed | 745 MHz vs 706 MHz |
Thermal Design Power (TDP) | 32 Watt vs 225 Watt |
Compare benchmarks
GPU 1: NVIDIA Tesla K20s
GPU 2: NVIDIA GeForce GT 640M Mac Edition
Name | NVIDIA Tesla K20s | NVIDIA GeForce GT 640M Mac Edition |
---|---|---|
CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 6.577 | |
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 226.218 | |
CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.559 | |
CompuBench 1.5 Desktop - Video Composition (Frames/s) | 11.947 | |
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 12.554 | |
GFXBench 4.0 - Car Chase Offscreen (Frames) | 1706 | |
GFXBench 4.0 - Manhattan (Frames) | 2983 | |
GFXBench 4.0 - T-Rex (Frames) | 5586 | |
GFXBench 4.0 - Car Chase Offscreen (Fps) | 28.9 | |
GFXBench 4.0 - Manhattan (Fps) | 48.1 | |
GFXBench 4.0 - T-Rex (Fps) | 99.8 |
Compare specifications (specs)
NVIDIA Tesla K20s | NVIDIA GeForce GT 640M Mac Edition | |
---|---|---|
Essentials |
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Architecture | Kepler | Kepler |
Code name | GK110 | GK107 |
Launch date | 18 February 2013 | 3 February 2013 |
Launch price (MSRP) | $3,199 | |
Place in performance rating | not rated | 1514 |
Type | Workstation | Desktop |
Technical info |
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Core clock speed | 706 MHz | 745 MHz |
Floating-point performance | 3,524 gflops | 572.2 gflops |
Manufacturing process technology | 28 nm | 28 nm |
Pipelines | 2496 | 384 |
Texture fill rate | 146.8 GTexel / s | 23.84 GTexel / s |
Thermal Design Power (TDP) | 225 Watt | 32 Watt |
Transistor count | 7,080 million | 1,270 million |
Video outputs and ports |
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Display Connectors | No outputs | No outputs |
Compatibility, dimensions and requirements |
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Interface | PCIe 2.0 x16 | PCIe 3.0 x16 |
Length | 267 mm | |
API support |
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DirectX | 12.0 (11_0) | 12.0 (11_0) |
OpenGL | 4.6 | 4.6 |
Memory |
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Maximum RAM amount | 5 GB | 512 MB |
Memory bandwidth | 208.0 GB / s | 40 GB / s |
Memory bus width | 320 Bit | 64 Bit |
Memory clock speed | 5200 MHz | 5000 MHz |
Memory type | GDDR5 | GDDR5 |