NVIDIA Tesla K20m vs ATI Radeon X1900 GT

Comparative analysis of NVIDIA Tesla K20m and ATI Radeon X1900 GT 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 X1900 GT

Differences

Reasons to consider the NVIDIA Tesla K20m

Videocard is newer: launch date 6 year(s) 8 month(s) later
Around 23% higher core clock speed: 706 MHz vs 575 MHz
21.3x more texture fill rate: 146.8 GTexel / s vs 6.9 GTexel / s
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 90 nm
20x more maximum memory size: 5 GB vs 256 MB
4.3x more memory clock speed: 5200 MHz vs 1200 MHz
30.4x better performance in PassMark - G3D Mark: 4432 vs 146

Specifications (specs)
Launch date	5 January 2013 vs 1 May 2006
Core clock speed	706 MHz vs 575 MHz
Texture fill rate	146.8 GTexel / s vs 6.9 GTexel / s
Manufacturing process technology	28 nm vs 90 nm
Maximum memory size	5 GB vs 256 MB
Memory clock speed	5200 MHz vs 1200 MHz
Benchmarks
PassMark - G3D Mark	4432 vs 146

Reasons to consider the ATI Radeon X1900 GT

3x lower typical power consumption: 75 Watt vs 225 Watt
Around 95% better performance in PassMark - G2D Mark: 409 vs 210

Specifications (specs)
Thermal Design Power (TDP)	75 Watt vs 225 Watt
Benchmarks
PassMark - G2D Mark	409 vs 210

Compare benchmarks

GPU 1: NVIDIA Tesla K20m
GPU 2: ATI Radeon X1900 GT

PassMark - G3D Mark

GPU 1

GPU 2

4432

146

PassMark - G2D Mark

GPU 1

GPU 2

210

409

Name	NVIDIA Tesla K20m	ATI Radeon X1900 GT
PassMark - G3D Mark	4432	146
PassMark - G2D Mark	210	409
Geekbench - OpenCL	16085
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 X1900 GT
Essentials
Architecture	Kepler	R500
Code name	GK110	R580
Launch date	5 January 2013	1 May 2006
Launch price (MSRP)	$3,199
Place in performance rating	414	416
Type	Workstation	Desktop
Technical info
Core clock speed	706 MHz	575 MHz
Floating-point performance	3,524 gflops
Manufacturing process technology	28 nm	90 nm
Pipelines	2496
Texture fill rate	146.8 GTexel / s	6.9 GTexel / s
Thermal Design Power (TDP)	225 Watt	75 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	256 MB
Memory bandwidth	208.0 GB / s	38.4 GB / s
Memory bus width	320 Bit	256 Bit
Memory clock speed	5200 MHz	1200 MHz
Memory type	GDDR5	GDDR3