NVIDIA Tesla K20Xm vs NVIDIA Tesla C2070

Comparative analysis of NVIDIA Tesla K20Xm and NVIDIA Tesla C2070 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 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps).

NVIDIA Tesla K20Xm

NVIDIA Tesla C2070

Differences

Reasons to consider the NVIDIA Tesla K20Xm

Videocard is newer: launch date 1 year(s) 3 month(s) later
Around 27% higher core clock speed: 732 MHz vs 575 MHz
5.1x more texture fill rate: 164.0 GTexel / s vs 32.2 GTexel / s
6x more pipelines: 2688 vs 448
3.8x better floating-point performance: 3,935 gflops vs 1,030.4 gflops
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 40 nm
Around 1% lower typical power consumption: 235 Watt vs 238 Watt
Around 73% higher memory clock speed: 5200 MHz vs 3000 MHz
Around 41% better performance in PassMark - G3D Mark: 4403 vs 3121
Around 72% better performance in Geekbench - OpenCL: 16664 vs 9716
Around 89% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 49.455 vs 26.223
Around 83% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 1666.354 vs 908.754
Around 94% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 5.836 vs 3.015
2.1x better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 92.472 vs 43.519
2.9x better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 275.229 vs 93.344
2.1x better performance in GFXBench 4.0 - T-Rex (Frames): 7038 vs 3351
2.1x better performance in GFXBench 4.0 - T-Rex (Fps): 7038 vs 3351

Specifications (specs)
Launch date	12 November 2012 vs 25 July 2011
Core clock speed	732 MHz vs 575 MHz
Texture fill rate	164.0 GTexel / s vs 32.2 GTexel / s
Pipelines	2688 vs 448
Floating-point performance	3,935 gflops vs 1,030.4 gflops
Manufacturing process technology	28 nm vs 40 nm
Thermal Design Power (TDP)	235 Watt vs 238 Watt
Memory clock speed	5200 MHz vs 3000 MHz
Benchmarks
PassMark - G3D Mark	4403 vs 3121
Geekbench - OpenCL	16664 vs 9716
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	49.455 vs 26.223
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	1666.354 vs 908.754
CompuBench 1.5 Desktop - T-Rex (Frames/s)	5.836 vs 3.015
CompuBench 1.5 Desktop - Video Composition (Frames/s)	92.472 vs 43.519
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	275.229 vs 93.344
GFXBench 4.0 - T-Rex (Frames)	7038 vs 3351
GFXBench 4.0 - T-Rex (Fps)	7038 vs 3351

Reasons to consider the NVIDIA Tesla C2070

2.3x better performance in PassMark - G2D Mark: 462 vs 198
3.6x better performance in GFXBench 4.0 - Manhattan (Frames): 3710 vs 1032
3.6x better performance in GFXBench 4.0 - Manhattan (Fps): 3710 vs 1032

Benchmarks
PassMark - G2D Mark	462 vs 198
GFXBench 4.0 - Manhattan (Frames)	3710 vs 1032
GFXBench 4.0 - Manhattan (Fps)	3710 vs 1032

Compare benchmarks

GPU 1: NVIDIA Tesla K20Xm
GPU 2: NVIDIA Tesla C2070

PassMark - G3D Mark

GPU 1

GPU 2

4403

3121

PassMark - G2D Mark

GPU 1

GPU 2

198

462

Geekbench - OpenCL

GPU 1

GPU 2

16664

9716

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

GPU 1

GPU 2

49.455

26.223

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

GPU 1

GPU 2

1666.354

908.754

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

GPU 1

GPU 2

5.836

3.015

CompuBench 1.5 Desktop - Video Composition (Frames/s)

GPU 1

GPU 2

92.472

43.519

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

GPU 1

GPU 2

275.229

93.344

GFXBench 4.0 - Manhattan (Frames)

GPU 1

GPU 2

1032

3710

GFXBench 4.0 - T-Rex (Frames)

GPU 1

GPU 2

7038

3351

GFXBench 4.0 - Manhattan (Fps)

GPU 1

GPU 2

1032

3710

GFXBench 4.0 - T-Rex (Fps)

GPU 1

GPU 2

7038

3351

Name	NVIDIA Tesla K20Xm	NVIDIA Tesla C2070
PassMark - G3D Mark	4403	3121
PassMark - G2D Mark	198	462
Geekbench - OpenCL	16664	9716
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	49.455	26.223
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	1666.354	908.754
CompuBench 1.5 Desktop - T-Rex (Frames/s)	5.836	3.015
CompuBench 1.5 Desktop - Video Composition (Frames/s)	92.472	43.519
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	275.229	93.344
GFXBench 4.0 - Manhattan (Frames)	1032	3710
GFXBench 4.0 - T-Rex (Frames)	7038	3351
GFXBench 4.0 - Manhattan (Fps)	1032	3710
GFXBench 4.0 - T-Rex (Fps)	7038	3351
GFXBench 4.0 - Car Chase Offscreen (Frames)		3245
GFXBench 4.0 - Car Chase Offscreen (Fps)		3245

Compare specifications (specs)

	NVIDIA Tesla K20Xm	NVIDIA Tesla C2070
Essentials
Architecture	Kepler	Fermi
Code name	GK110	GF100
Launch date	12 November 2012	25 July 2011
Launch price (MSRP)	$7,699
Place in performance rating	746	760
Type	Workstation	Workstation
Technical info
Core clock speed	732 MHz	575 MHz
Floating-point performance	3,935 gflops	1,030.4 gflops
Manufacturing process technology	28 nm	40 nm
Pipelines	2688	448
Texture fill rate	164.0 GTexel / s	32.2 GTexel / s
Thermal Design Power (TDP)	235 Watt	238 Watt
Transistor count	7,080 million	3,100 million
Video outputs and ports
Display Connectors	No outputs	1x DVI
Compatibility, dimensions and requirements
Interface	PCIe 3.0 x16	PCIe 2.0 x16
Length	267 mm	248 mm
Supplementary power connectors		1x 8-pin
API support
DirectX	12.0 (11_0)	12.0 (11_0)
OpenGL	4.6	4.6
Memory
Maximum RAM amount	6 GB	6 GB
Memory bandwidth	249.6 GB / s	144.0 GB / s
Memory bus width	384 Bit	384 Bit
Memory clock speed	5200 MHz	3000 MHz
Memory type	GDDR5	GDDR5