NVIDIA GRID K2 vs NVIDIA GeForce GTX 645 OEM
Comparative analysis of NVIDIA GRID K2 and NVIDIA GeForce GTX 645 OEM 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).
Differences
Reasons to consider the NVIDIA GRID K2
- 7.5x more texture fill rate: 2x 95.36 GTexel / s billion / sec vs 39.55 GTexel / s
- 5.3x more pipelines: 2x 1536 vs 576
- 4.8x better floating-point performance: 2x 2,289 gflops vs 949.2 gflops
- 8x more maximum memory size: 2x 4 GB vs 1 GB
- Around 25% higher memory clock speed: 5000 MHz vs 4000 MHz
- Around 45% better performance in PassMark - G3D Mark: 2737 vs 1882
- 2x better performance in Geekbench - OpenCL: 10550 vs 5238
- Around 37% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 18.948 vs 13.806
- Around 77% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 968.568 vs 546.51
- Around 68% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 2.58 vs 1.535
- Around 20% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 32.988 vs 27.524
- 3x better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 114.144 vs 38.664
- 4.4x better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 6371 vs 1435
- 4.4x better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 6371 vs 1435
Specifications (specs) | |
Texture fill rate | 2x 95.36 GTexel / s billion / sec vs 39.55 GTexel / s |
Pipelines | 2x 1536 vs 576 |
Floating-point performance | 2x 2,289 gflops vs 949.2 gflops |
Maximum memory size | 2x 4 GB vs 1 GB |
Memory clock speed | 5000 MHz vs 4000 MHz |
Benchmarks | |
PassMark - G3D Mark | 2737 vs 1882 |
Geekbench - OpenCL | 10550 vs 5238 |
CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 18.948 vs 13.806 |
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 968.568 vs 546.51 |
CompuBench 1.5 Desktop - T-Rex (Frames/s) | 2.58 vs 1.535 |
CompuBench 1.5 Desktop - Video Composition (Frames/s) | 32.988 vs 27.524 |
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 114.144 vs 38.664 |
GFXBench 4.0 - Car Chase Offscreen (Frames) | 6371 vs 1435 |
GFXBench 4.0 - Car Chase Offscreen (Fps) | 6371 vs 1435 |
Reasons to consider the NVIDIA GeForce GTX 645 OEM
- Around 11% higher core clock speed: 824 MHz vs 745 MHz
- 3.5x lower typical power consumption: 65 Watt vs 225 Watt
- Around 35% better performance in PassMark - G2D Mark: 431 vs 319
- 10.3x better performance in GFXBench 4.0 - Manhattan (Frames): 3531 vs 344
- 10.6x better performance in GFXBench 4.0 - T-Rex (Frames): 3300 vs 312
- 10.3x better performance in GFXBench 4.0 - Manhattan (Fps): 3531 vs 344
- 10.6x better performance in GFXBench 4.0 - T-Rex (Fps): 3300 vs 312
Specifications (specs) | |
Core clock speed | 824 MHz vs 745 MHz |
Thermal Design Power (TDP) | 65 Watt vs 225 Watt |
Benchmarks | |
PassMark - G2D Mark | 431 vs 319 |
GFXBench 4.0 - Manhattan (Frames) | 3531 vs 344 |
GFXBench 4.0 - T-Rex (Frames) | 3300 vs 312 |
GFXBench 4.0 - Manhattan (Fps) | 3531 vs 344 |
GFXBench 4.0 - T-Rex (Fps) | 3300 vs 312 |
Compare benchmarks
GPU 1: NVIDIA GRID K2
GPU 2: NVIDIA GeForce GTX 645 OEM
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 | NVIDIA GRID K2 | NVIDIA GeForce GTX 645 OEM |
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PassMark - G3D Mark | 2737 | 1882 |
PassMark - G2D Mark | 319 | 431 |
Geekbench - OpenCL | 10550 | 5238 |
CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 18.948 | 13.806 |
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 968.568 | 546.51 |
CompuBench 1.5 Desktop - T-Rex (Frames/s) | 2.58 | 1.535 |
CompuBench 1.5 Desktop - Video Composition (Frames/s) | 32.988 | 27.524 |
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 114.144 | 38.664 |
GFXBench 4.0 - Car Chase Offscreen (Frames) | 6371 | 1435 |
GFXBench 4.0 - Manhattan (Frames) | 344 | 3531 |
GFXBench 4.0 - T-Rex (Frames) | 312 | 3300 |
GFXBench 4.0 - Car Chase Offscreen (Fps) | 6371 | 1435 |
GFXBench 4.0 - Manhattan (Fps) | 344 | 3531 |
GFXBench 4.0 - T-Rex (Fps) | 312 | 3300 |
Compare specifications (specs)
NVIDIA GRID K2 | NVIDIA GeForce GTX 645 OEM | |
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Essentials |
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Architecture | Kepler | Kepler |
Code name | GK104 | GK106 |
Launch date | 11 May 2013 | 22 April 2013 |
Launch price (MSRP) | $5,199 | |
Place in performance rating | 975 | 976 |
Type | Workstation | Desktop |
Technical info |
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Core clock speed | 745 MHz | 824 MHz |
Floating-point performance | 2x 2,289 gflops | 949.2 gflops |
Manufacturing process technology | 28 nm | 28 nm |
Pipelines | 2x 1536 | 576 |
Texture fill rate | 2x 95.36 GTexel / s billion / sec | 39.55 GTexel / s |
Thermal Design Power (TDP) | 225 Watt | 65 Watt |
Transistor count | 3,540 million | 2,540 million |
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 x16 | PCIe 3.0 x16 |
Length | 267 mm | 147 mm |
Supplementary power connectors | 1x 8-pin | None |
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 | 2x 4 GB | 1 GB |
Memory bandwidth | 2x 160.0 GB / s | 64 GB / s |
Memory bus width | 2x 256 Bit | 128 Bit |
Memory clock speed | 5000 MHz | 4000 MHz |
Memory type | GDDR5 | GDDR5 |