NVIDIA Tesla K20c vs ATI Mobility Radeon X1900

Comparative analysis of NVIDIA Tesla K20c and ATI Mobility Radeon X1900 videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory, Technologies. 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, GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps).

NVIDIA Tesla K20c

ATI Mobility Radeon X1900

Differences

Reasons to consider the NVIDIA Tesla K20c

Videocard is newer: launch date 5 year(s) 10 month(s) later
Around 77% higher core clock speed: 706 MHz vs 400 MHz
30.6x more texture fill rate: 146.8 GTexel / s vs 4.8 GTexel / s
69.3x more pipelines: 2496 vs 36
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 80 nm
20x more maximum memory size: 5 GB vs 256 MB
5.4x more memory clock speed: 5200 MHz vs 960 MHz

Launch date	12 November 2012 vs 11 January 2007
Core clock speed	706 MHz vs 400 MHz
Texture fill rate	146.8 GTexel / s vs 4.8 GTexel / s
Pipelines	2496 vs 36
Manufacturing process technology	28 nm vs 80 nm
Maximum memory size	5 GB vs 256 MB
Memory clock speed	5200 MHz vs 960 MHz

Compare benchmarks

GPU 1: NVIDIA Tesla K20c
GPU 2: ATI Mobility Radeon X1900

Name	NVIDIA Tesla K20c	ATI Mobility Radeon X1900
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		135
PassMark - G2D Mark		287
GFXBench 4.0 - T-Rex (Frames)		1398
GFXBench 4.0 - T-Rex (Fps)		1398

Compare specifications (specs)

	NVIDIA Tesla K20c	ATI Mobility Radeon X1900
Essentials
Architecture	Kepler	R500
Code name	GK110	M68
Launch date	12 November 2012	11 January 2007
Launch price (MSRP)	$3,199
Place in performance rating	1005	1008
Type	Workstation	Laptop
Technical info
Core clock speed	706 MHz	400 MHz
Floating-point performance	3,524 gflops
Manufacturing process technology	28 nm	80 nm
Pipelines	2496	36
Texture fill rate	146.8 GTexel / s	4.8 GTexel / s
Thermal Design Power (TDP)	225 Watt
Transistor count	7,080 million	384 million
Boost clock speed		400 MHz
Video outputs and ports
Display Connectors	No outputs	No outputs
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
Laptop size		large
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	30.72 GB / s
Memory bus width	320 Bit	470 Bit
Memory clock speed	5200 MHz	960 MHz
Memory type	GDDR5	256
Shared memory		0
Technologies
Powerplay 6.0