NVIDIA Quadro K620 vs NVIDIA GeForce GTX 645 OEM
Comparative analysis of NVIDIA Quadro K620 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, Technologies. 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 NVIDIA Quadro K620
- Videocard is newer: launch date 1 year(s) 3 month(s) later
- Around 28% higher core clock speed: 1058 MHz vs 824 MHz
- Around 59% lower typical power consumption: 41 Watt vs 65 Watt
- 2x more maximum memory size: 2 GB vs 1 GB
- Around 19% better performance in PassMark - G3D Mark: 2231 vs 1882
- Around 10% better performance in PassMark - G2D Mark: 474 vs 431
- Around 31% better performance in Geekbench - OpenCL: 6869 vs 5238
- Around 60% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 22.112 vs 13.806
- 2.6x better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 99.125 vs 38.664
- 2.1x better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 2970 vs 1435
- Around 1% better performance in GFXBench 4.0 - T-Rex (Frames): 3329 vs 3300
- 2.1x better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 2970 vs 1435
- Around 1% better performance in GFXBench 4.0 - T-Rex (Fps): 3329 vs 3300
Specifications (specs) | |
Launch date | 22 July 2014 vs 22 April 2013 |
Core clock speed | 1058 MHz vs 824 MHz |
Thermal Design Power (TDP) | 41 Watt vs 65 Watt |
Maximum memory size | 2 GB vs 1 GB |
Benchmarks | |
PassMark - G3D Mark | 2231 vs 1882 |
PassMark - G2D Mark | 474 vs 431 |
Geekbench - OpenCL | 6869 vs 5238 |
CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 22.112 vs 13.806 |
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 99.125 vs 38.664 |
GFXBench 4.0 - Car Chase Offscreen (Frames) | 2970 vs 1435 |
GFXBench 4.0 - T-Rex (Frames) | 3329 vs 3300 |
GFXBench 4.0 - Car Chase Offscreen (Fps) | 2970 vs 1435 |
GFXBench 4.0 - T-Rex (Fps) | 3329 vs 3300 |
Reasons to consider the NVIDIA GeForce GTX 645 OEM
- 2.2x more texture fill rate: 39.55 GTexel / s vs 17.98 GTexel / s
- Around 50% higher pipelines: 576 vs 384
- Around 10% better floating-point performance: 949.2 gflops vs 863.2 gflops
- 2.2x more memory clock speed: 4000 MHz vs 1800 MHz
- Around 84% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 546.51 vs 297.631
- Around 8% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 1.535 vs 1.427
- Around 79% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 27.524 vs 15.363
- Around 42% better performance in GFXBench 4.0 - Manhattan (Frames): 3531 vs 2490
- Around 42% better performance in GFXBench 4.0 - Manhattan (Fps): 3531 vs 2490
Specifications (specs) | |
Texture fill rate | 39.55 GTexel / s vs 17.98 GTexel / s |
Pipelines | 576 vs 384 |
Floating-point performance | 949.2 gflops vs 863.2 gflops |
Memory clock speed | 4000 MHz vs 1800 MHz |
Benchmarks | |
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 546.51 vs 297.631 |
CompuBench 1.5 Desktop - T-Rex (Frames/s) | 1.535 vs 1.427 |
CompuBench 1.5 Desktop - Video Composition (Frames/s) | 27.524 vs 15.363 |
GFXBench 4.0 - Manhattan (Frames) | 3531 vs 2490 |
GFXBench 4.0 - Manhattan (Fps) | 3531 vs 2490 |
Compare benchmarks
GPU 1: NVIDIA Quadro K620
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 Quadro K620 | NVIDIA GeForce GTX 645 OEM |
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PassMark - G3D Mark | 2231 | 1882 |
PassMark - G2D Mark | 474 | 431 |
Geekbench - OpenCL | 6869 | 5238 |
CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 22.112 | 13.806 |
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 297.631 | 546.51 |
CompuBench 1.5 Desktop - T-Rex (Frames/s) | 1.427 | 1.535 |
CompuBench 1.5 Desktop - Video Composition (Frames/s) | 15.363 | 27.524 |
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 99.125 | 38.664 |
GFXBench 4.0 - Car Chase Offscreen (Frames) | 2970 | 1435 |
GFXBench 4.0 - Manhattan (Frames) | 2490 | 3531 |
GFXBench 4.0 - T-Rex (Frames) | 3329 | 3300 |
GFXBench 4.0 - Car Chase Offscreen (Fps) | 2970 | 1435 |
GFXBench 4.0 - Manhattan (Fps) | 2490 | 3531 |
GFXBench 4.0 - T-Rex (Fps) | 3329 | 3300 |
3DMark Fire Strike - Graphics Score | 702 |
Compare specifications (specs)
NVIDIA Quadro K620 | NVIDIA GeForce GTX 645 OEM | |
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Essentials |
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Architecture | Maxwell | Kepler |
Code name | GM107 | GK106 |
Launch date | 22 July 2014 | 22 April 2013 |
Launch price (MSRP) | $189.89 | |
Place in performance rating | 975 | 977 |
Price now | $189.93 | |
Type | Workstation | Desktop |
Value for money (0-100) | 15.23 | |
Technical info |
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Boost clock speed | 1124 MHz | |
Core clock speed | 1058 MHz | 824 MHz |
Floating-point performance | 863.2 gflops | 949.2 gflops |
Manufacturing process technology | 28 nm | 28 nm |
Pipelines | 384 | 576 |
Texture fill rate | 17.98 GTexel / s | 39.55 GTexel / s |
Thermal Design Power (TDP) | 41 Watt | 65 Watt |
Transistor count | 1,870 million | 2,540 million |
Video outputs and ports |
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Display Connectors | 1x DVI, 1x DisplayPort, DVI-I DP | 1x DVI, 1x HDMI, 1x DisplayPort |
Number of simultaneous displays | 4 | |
Compatibility, dimensions and requirements |
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Interface | PCIe 2.0 x16 | PCIe 3.0 x16 |
Length | 160 mm | 147 mm |
Supplementary power connectors | None | None |
Width | 1" (2.5 cm) | |
API support |
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DirectX | 12 | 12.0 (11_0) |
OpenGL | 4.5 | 4.6 |
Shader Model | 5 | |
Vulkan | ||
Memory |
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Maximum RAM amount | 2 GB | 1 GB |
Memory bus width | 128 Bit | 128 Bit |
Memory clock speed | 1800 MHz | 4000 MHz |
Memory type | 128 Bit | GDDR5 |
Memory bandwidth | 64 GB / s | |
Technologies |
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3D Vision Pro | ||
Mosaic | ||
nView Desktop Management |