NVIDIA Tesla K20X vs ATI Radeon HD 5490

Comparative analysis of NVIDIA Tesla K20X and ATI Radeon HD 5490 videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory.

NVIDIA Tesla K20X

ATI Radeon HD 5490

Differences

Reasons to consider the NVIDIA Tesla K20X

Around 13% higher core clock speed: 732 MHz vs 650 MHz
31.5x more texture fill rate: 164.0 GTexel / s vs 5.2 GTexel / s
33.6x more pipelines: 2688 vs 80
37.8x better floating-point performance: 3,935 gflops vs 104.0 gflops
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 40 nm
6x more maximum memory size: 6 GB vs 1 GB
5.2x more memory clock speed: 5200 MHz vs 1000 MHz

Core clock speed	732 MHz vs 650 MHz
Texture fill rate	164.0 GTexel / s vs 5.2 GTexel / s
Pipelines	2688 vs 80
Floating-point performance	3,935 gflops vs 104.0 gflops
Manufacturing process technology	28 nm vs 40 nm
Maximum memory size	6 GB vs 1 GB
Memory clock speed	5200 MHz vs 1000 MHz

Reasons to consider the ATI Radeon HD 5490

12.4x lower typical power consumption: 19 Watt vs 235 Watt

Thermal Design Power (TDP)	19 Watt vs 235 Watt

Compare specifications (specs)

	NVIDIA Tesla K20X	ATI Radeon HD 5490
Essentials
Architecture	Kepler	TeraScale 2
Code name	GK110	Cedar
Launch date	12 November 2012	28 October 2012
Launch price (MSRP)	$7,699
Place in performance rating	not rated	not rated
Type	Workstation	Desktop
Technical info
Core clock speed	732 MHz	650 MHz
Floating-point performance	3,935 gflops	104.0 gflops
Manufacturing process technology	28 nm	40 nm
Pipelines	2688	80
Texture fill rate	164.0 GTexel / s	5.2 GTexel / s
Thermal Design Power (TDP)	235 Watt	19 Watt
Transistor count	7,080 million	292 million
Video outputs and ports
Display Connectors	No outputs	1x DVI, 1x HDMI, 1x VGA
Compatibility, dimensions and requirements
Interface	PCIe 3.0 x16	PCIe 2.0 x16
Length	267 mm	170 mm
Supplementary power connectors	1x 6-pin + 1x 8-pin	None
API support
DirectX	12.0 (11_0)	11.2 (11_0)
OpenGL	4.6	4.4
Memory
Maximum RAM amount	6 GB	1 GB
Memory bandwidth	249.6 GB / s	8 GB / s
Memory bus width	384 Bit	64 Bit
Memory clock speed	5200 MHz	1000 MHz
Memory type	GDDR5	GDDR3