NVIDIA Tesla K40c vs NVIDIA GeForce GT 645 OEM
Comparative analysis of NVIDIA Tesla K40c and NVIDIA GeForce GT 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: 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), PassMark - G2D Mark, PassMark - G3D Mark, GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps).
Differences
Reasons to consider the NVIDIA Tesla K40c
- Videocard is newer: launch date 1 year(s) 5 month(s) later
- 4.8x more texture fill rate: 178.8 GTexel / s vs 37.2 GTexel / s
- 10x more pipelines: 2880 vs 288
- 4.8x better floating-point performance: 4,291 gflops vs 894.0 gflops
- A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 40 nm
- 12x more maximum memory size: 12 GB vs 1 GB
- Around 57% higher memory clock speed: 6008 MHz vs 3828 MHz
- 2.2x better performance in PassMark - G3D Mark: 4495 vs 2006
Specifications (specs) | |
Launch date | 8 October 2013 vs 24 April 2012 |
Texture fill rate | 178.8 GTexel / s vs 37.2 GTexel / s |
Pipelines | 2880 vs 288 |
Floating-point performance | 4,291 gflops vs 894.0 gflops |
Manufacturing process technology | 28 nm vs 40 nm |
Maximum memory size | 12 GB vs 1 GB |
Memory clock speed | 6008 MHz vs 3828 MHz |
Benchmarks | |
PassMark - G3D Mark | 4495 vs 2006 |
Reasons to consider the NVIDIA GeForce GT 645 OEM
- Around 4% higher core clock speed: 776 MHz vs 745 MHz
- 2.4x lower typical power consumption: 102 Watt vs 245 Watt
- Around 36% better performance in PassMark - G2D Mark: 443 vs 325
Specifications (specs) | |
Core clock speed | 776 MHz vs 745 MHz |
Thermal Design Power (TDP) | 102 Watt vs 245 Watt |
Benchmarks | |
PassMark - G2D Mark | 443 vs 325 |
Compare benchmarks
GPU 1: NVIDIA Tesla K40c
GPU 2: NVIDIA GeForce GT 645 OEM
PassMark - G2D Mark |
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PassMark - G3D Mark |
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Name | NVIDIA Tesla K40c | NVIDIA GeForce GT 645 OEM |
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Geekbench - OpenCL | 17468 | |
CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 61.566 | |
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 1779.043 | |
CompuBench 1.5 Desktop - T-Rex (Frames/s) | 6.463 | |
CompuBench 1.5 Desktop - Video Composition (Frames/s) | 103.169 | |
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 308.261 | |
PassMark - G2D Mark | 325 | 443 |
PassMark - G3D Mark | 4495 | 2006 |
GFXBench 4.0 - T-Rex (Frames) | 1914 | |
GFXBench 4.0 - T-Rex (Fps) | 1914 |
Compare specifications (specs)
NVIDIA Tesla K40c | NVIDIA GeForce GT 645 OEM | |
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Essentials |
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Architecture | Kepler | Fermi 2.0 |
Code name | GK110B | GF114 |
Launch date | 8 October 2013 | 24 April 2012 |
Launch price (MSRP) | $7,699 | |
Place in performance rating | 513 | 565 |
Type | Workstation | Desktop |
Technical info |
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Core clock speed | 745 MHz | 776 MHz |
Floating-point performance | 4,291 gflops | 894.0 gflops |
Manufacturing process technology | 28 nm | 40 nm |
Pipelines | 2880 | 288 |
Texture fill rate | 178.8 GTexel / s | 37.2 GTexel / s |
Thermal Design Power (TDP) | 245 Watt | 102 Watt |
Transistor count | 7,080 million | 1,950 million |
Video outputs and ports |
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Display Connectors | No outputs | 2x DVI, 1x mini-HDMI |
Compatibility, dimensions and requirements |
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Interface | PCIe 3.0 x16 | PCIe 2.0 x16 |
Length | 267 mm | 210 mm |
Supplementary power connectors | 1x 6-pin + 1x 8-pin | |
API support |
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DirectX | 12.0 (11_1) | 12.0 (11_0) |
OpenGL | 4.6 | 4.6 |
Memory |
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Maximum RAM amount | 12 GB | 1 GB |
Memory bandwidth | 288.4 GB / s | 91.9 GB / s |
Memory bus width | 384 Bit | 192 Bit |
Memory clock speed | 6008 MHz | 3828 MHz |
Memory type | GDDR5 | GDDR5 |