NVIDIA Tesla K20m vs ATI Radeon X1950 CrossFire Edition

Comparative analysis of NVIDIA Tesla K20m and ATI Radeon X1950 CrossFire Edition 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).

NVIDIA Tesla K20m

ATI Radeon X1950 CrossFire Edition

Differences

Reasons to consider the NVIDIA Tesla K20m

Videocard is newer: launch date 6 year(s) 3 month(s) later
Around 9% higher core clock speed: 706 MHz vs 650 MHz
14.1x more texture fill rate: 146.8 GTexel / s vs 10.4 GTexel / s
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 90 nm
10x more maximum memory size: 5 GB vs 512 MB
2.6x more memory clock speed: 5200 MHz vs 2000 MHz
29.4x better performance in PassMark - G3D Mark: 4432 vs 151

Specifications (specs)
Launch date	5 January 2013 vs 10 September 2006
Core clock speed	706 MHz vs 650 MHz
Texture fill rate	146.8 GTexel / s vs 10.4 GTexel / s
Manufacturing process technology	28 nm vs 90 nm
Maximum memory size	5 GB vs 512 MB
Memory clock speed	5200 MHz vs 2000 MHz
Benchmarks
PassMark - G3D Mark	4432 vs 151

Reasons to consider the ATI Radeon X1950 CrossFire Edition

2.2x better performance in PassMark - G2D Mark: 466 vs 210

Benchmarks
PassMark - G2D Mark	466 vs 210

Compare benchmarks

GPU 1: NVIDIA Tesla K20m
GPU 2: ATI Radeon X1950 CrossFire Edition

PassMark - G3D Mark

GPU 1

GPU 2

4432

151

PassMark - G2D Mark

GPU 1

GPU 2

210

466

Name	NVIDIA Tesla K20m	ATI Radeon X1950 CrossFire Edition
PassMark - G3D Mark	4432	151
PassMark - G2D Mark	210	466
Geekbench - OpenCL	14510
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	54.89
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	1414.755
CompuBench 1.5 Desktop - T-Rex (Frames/s)	5.303
CompuBench 1.5 Desktop - Video Composition (Frames/s)	83.807
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	250.291
GFXBench 4.0 - Car Chase Offscreen (Frames)	8319
GFXBench 4.0 - Manhattan (Frames)	7337
GFXBench 4.0 - T-Rex (Frames)	10873
GFXBench 4.0 - Car Chase Offscreen (Fps)	8319
GFXBench 4.0 - Manhattan (Fps)	7337
GFXBench 4.0 - T-Rex (Fps)	10873

Compare specifications (specs)

	NVIDIA Tesla K20m	ATI Radeon X1950 CrossFire Edition
Essentials
Architecture	Kepler	R500
Code name	GK110	R580+
Launch date	5 January 2013	10 September 2006
Launch price (MSRP)	$3,199
Place in performance rating	408	328
Type	Workstation	Desktop
Technical info
Core clock speed	706 MHz	650 MHz
Floating-point performance	3,524 gflops
Manufacturing process technology	28 nm	90 nm
Pipelines	2496
Texture fill rate	146.8 GTexel / s	10.4 GTexel / s
Thermal Design Power (TDP)	225 Watt
Transistor count	7,080 million	384 million
Video outputs and ports
Display Connectors	No outputs	2x DVI, 1x S-Video
Compatibility, dimensions and requirements
Interface	PCIe 2.0 x16	PCIe 1.0 x16
Length	267 mm
Supplementary power connectors	1x 6-pin + 1x 8-pin	1x 6-pin
API support
DirectX	12.0 (11_0)	9.0c
OpenGL	4.6	2.0
Memory
Maximum RAM amount	5 GB	512 MB
Memory bandwidth	208.0 GB / s	64.0 GB / s
Memory bus width	320 Bit	256 Bit
Memory clock speed	5200 MHz	2000 MHz
Memory type	GDDR5	GDDR4