NVIDIA Tesla K20c vs ATI Radeon 9800 PRO

Comparative analysis of NVIDIA Tesla K20c and ATI Radeon 9800 PRO 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 - G3D Mark, PassMark - G2D Mark.

NVIDIA Tesla K20c

ATI Radeon 9800 PRO

Differences

Reasons to consider the NVIDIA Tesla K20c

Videocard is newer: launch date 9 year(s) 1 month(s) later
Around 86% higher core clock speed: 706 MHz vs 380 MHz
48.3x more texture fill rate: 146.8 GTexel / s vs 3.04 GTexel / s
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 150 nm
40x more maximum memory size: 5 GB vs 128 MB
7.6x more memory clock speed: 5200 MHz vs 680 MHz

Launch date	12 November 2012 vs 1 October 2003
Core clock speed	706 MHz vs 380 MHz
Texture fill rate	146.8 GTexel / s vs 3.04 GTexel / s
Manufacturing process technology	28 nm vs 150 nm
Maximum memory size	5 GB vs 128 MB
Memory clock speed	5200 MHz vs 680 MHz

Reasons to consider the ATI Radeon 9800 PRO

4.8x lower typical power consumption: 47 Watt vs 225 Watt

Thermal Design Power (TDP)	47 Watt vs 225 Watt

Compare benchmarks

GPU 1: NVIDIA Tesla K20c
GPU 2: ATI Radeon 9800 PRO

Name	NVIDIA Tesla K20c	ATI Radeon 9800 PRO
Geekbench - OpenCL	15597
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	39.423
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	1427.15
CompuBench 1.5 Desktop - T-Rex (Frames/s)	4.128
CompuBench 1.5 Desktop - Video Composition (Frames/s)	64.383
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	179.044
PassMark - G3D Mark		66
PassMark - G2D Mark		175

Compare specifications (specs)

	NVIDIA Tesla K20c	ATI Radeon 9800 PRO
Essentials
Architecture	Kepler	Rage 9
Code name	GK110	R360
Launch date	12 November 2012	1 October 2003
Launch price (MSRP)	$3,199	$399
Place in performance rating	981	978
Type	Workstation	Desktop
Technical info
Core clock speed	706 MHz	380 MHz
Floating-point performance	3,524 gflops
Manufacturing process technology	28 nm	150 nm
Pipelines	2496
Texture fill rate	146.8 GTexel / s	3.04 GTexel / s
Thermal Design Power (TDP)	225 Watt	47 Watt
Transistor count	7,080 million	117 million
Video outputs and ports
Display Connectors	No outputs	1x DVI, 1x VGA, 1x S-Video
Compatibility, dimensions and requirements
Interface	PCIe 2.0 x16	AGP 8x
Length	267 mm
Supplementary power connectors	1x 6-pin + 1x 8-pin	1x Molex
API support
DirectX	12.0 (11_0)	9.0
OpenGL	4.6	2.0
Memory
Maximum RAM amount	5 GB	128 MB
Memory bandwidth	208.0 GB / s	21.76 GB / s
Memory bus width	320 Bit	256 Bit
Memory clock speed	5200 MHz	680 MHz
Memory type	GDDR5	DDR