NVIDIA GeForce GTX 745 OEM vs NVIDIA Tesla K20c

Comparative analysis of NVIDIA GeForce GTX 745 OEM and NVIDIA Tesla K20c 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), 3DMark Fire Strike - Graphics Score.

NVIDIA GeForce GTX 745 OEM

NVIDIA Tesla K20c

Differences

Reasons to consider the NVIDIA GeForce GTX 745 OEM

Videocard is newer: launch date 1 year(s) 3 month(s) later
Around 46% higher core clock speed: 1033 MHz vs 706 MHz
4.1x lower typical power consumption: 55 Watt vs 225 Watt

Launch date	18 February 2014 vs 12 November 2012
Core clock speed	1033 MHz vs 706 MHz
Thermal Design Power (TDP)	55 Watt vs 225 Watt

Reasons to consider the NVIDIA Tesla K20c

5.9x more texture fill rate: 146.8 GTexel / s vs 24.79 GTexel / s
6.5x more pipelines: 2496 vs 384
4.4x better floating-point performance: 3,524 gflops vs 793.3 gflops
Around 25% higher maximum memory size: 5 GB vs 4 GB
2.9x more memory clock speed: 5200 MHz vs 1800 MHz
2.5x better performance in Geekbench - OpenCL: 15597 vs 6117
Around 63% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 39.423 vs 24.117
4.2x better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 1427.15 vs 335.835
2.5x better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 4.128 vs 1.651
2.4x better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 64.383 vs 27.096
Around 84% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 179.044 vs 97.126

Specifications (specs)
Texture fill rate	146.8 GTexel / s vs 24.79 GTexel / s
Pipelines	2496 vs 384
Floating-point performance	3,524 gflops vs 793.3 gflops
Maximum memory size	5 GB vs 4 GB
Memory clock speed	5200 MHz vs 1800 MHz
Benchmarks
Geekbench - OpenCL	15597 vs 6117
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	39.423 vs 24.117
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	1427.15 vs 335.835
CompuBench 1.5 Desktop - T-Rex (Frames/s)	4.128 vs 1.651
CompuBench 1.5 Desktop - Video Composition (Frames/s)	64.383 vs 27.096
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	179.044 vs 97.126

Compare benchmarks

GPU 1: NVIDIA GeForce GTX 745 OEM
GPU 2: NVIDIA Tesla K20c

Geekbench - OpenCL

GPU 1

GPU 2

6117

15597

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

GPU 1

GPU 2

24.117

39.423

CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)

GPU 1

GPU 2

335.835

1427.15

CompuBench 1.5 Desktop - T-Rex (Frames/s)

GPU 1

GPU 2

1.651

4.128

CompuBench 1.5 Desktop - Video Composition (Frames/s)

GPU 1

GPU 2

27.096

64.383

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

GPU 1

GPU 2

97.126

179.044

Name	NVIDIA GeForce GTX 745 OEM	NVIDIA Tesla K20c
PassMark - G3D Mark	2138
PassMark - G2D Mark	471
Geekbench - OpenCL	6117	15597
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	24.117	39.423
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	335.835	1427.15
CompuBench 1.5 Desktop - T-Rex (Frames/s)	1.651	4.128
CompuBench 1.5 Desktop - Video Composition (Frames/s)	27.096	64.383
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	97.126	179.044
GFXBench 4.0 - Car Chase Offscreen (Frames)	2918
GFXBench 4.0 - Manhattan (Frames)	1813
GFXBench 4.0 - T-Rex (Frames)	3309
GFXBench 4.0 - Car Chase Offscreen (Fps)	2918
GFXBench 4.0 - Manhattan (Fps)	1813
GFXBench 4.0 - T-Rex (Fps)	3309
3DMark Fire Strike - Graphics Score	655

Compare specifications (specs)

	NVIDIA GeForce GTX 745 OEM	NVIDIA Tesla K20c
Essentials
Architecture	Maxwell	Kepler
Code name	GM107	GK110
Launch date	18 February 2014	12 November 2012
Place in performance rating	1003	1005
Type	Desktop	Workstation
Launch price (MSRP)		$3,199
Technical info
Core clock speed	1033 MHz	706 MHz
Floating-point performance	793.3 gflops	3,524 gflops
Manufacturing process technology	28 nm	28 nm
Pipelines	384	2496
Texture fill rate	24.79 GTexel / s	146.8 GTexel / s
Thermal Design Power (TDP)	55 Watt	225 Watt
Transistor count	1,870 million	7,080 million
Video outputs and ports
Display Connectors	1x DVI, 1x HDMI, 1x VGA	No outputs
Compatibility, dimensions and requirements
Interface	PCIe 3.0 x16	PCIe 2.0 x16
Length	145 mm	267 mm
Supplementary power connectors	None	1x 6-pin + 1x 8-pin
API support
DirectX	12.0 (11_0)	12.0 (11_0)
OpenGL	4.6	4.6
Memory
Maximum RAM amount	4 GB	5 GB
Memory bandwidth	28.8 GB / s	208.0 GB / s
Memory bus width	128 Bit	320 Bit
Memory clock speed	1800 MHz	5200 MHz
Memory type	DDR3	GDDR5