NVIDIA Tesla K20Xm vs AMD Radeon HD 6450A

Comparative analysis of NVIDIA Tesla K20Xm and AMD Radeon HD 6450A 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 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps).

NVIDIA Tesla K20Xm

AMD Radeon HD 6450A

Differences

Reasons to consider the NVIDIA Tesla K20Xm

Videocard is newer: launch date 1 year(s) 7 month(s) later
Around 17% higher core clock speed: 732 MHz vs 625 MHz
32.8x more texture fill rate: 164.0 GTexel / s vs 5 GTexel / s
16.8x more pipelines: 2688 vs 160
19.7x better floating-point performance: 3,935 gflops vs 200 gflops
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 40 nm
12x more maximum memory size: 6 GB vs 512 MB
4.9x more memory clock speed: 5200 MHz vs 1066 MHz
11.2x better performance in PassMark - G3D Mark: 2918 vs 260

Specifications (specs)
Launch date	12 November 2012 vs 7 April 2011
Core clock speed	732 MHz vs 625 MHz
Texture fill rate	164.0 GTexel / s vs 5 GTexel / s
Pipelines	2688 vs 160
Floating-point performance	3,935 gflops vs 200 gflops
Manufacturing process technology	28 nm vs 40 nm
Maximum memory size	6 GB vs 512 MB
Memory clock speed	5200 MHz vs 1066 MHz
Benchmarks
PassMark - G3D Mark	2918 vs 260

Reasons to consider the AMD Radeon HD 6450A

9.4x lower typical power consumption: 25 Watt vs 235 Watt
Around 21% better performance in PassMark - G2D Mark: 208 vs 172

Specifications (specs)
Thermal Design Power (TDP)	25 Watt vs 235 Watt
Benchmarks
PassMark - G2D Mark	208 vs 172

Compare benchmarks

GPU 1: NVIDIA Tesla K20Xm
GPU 2: AMD Radeon HD 6450A

PassMark - G3D Mark

GPU 1

GPU 2

2918

260

PassMark - G2D Mark

GPU 1

GPU 2

172

208

Name	NVIDIA Tesla K20Xm	AMD Radeon HD 6450A
PassMark - G3D Mark	2918	260
PassMark - G2D Mark	172	208
Geekbench - OpenCL	17075
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	49.455
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	1666.354
CompuBench 1.5 Desktop - T-Rex (Frames/s)	5.836
CompuBench 1.5 Desktop - Video Composition (Frames/s)	92.472
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	275.229
GFXBench 4.0 - Manhattan (Frames)	1032
GFXBench 4.0 - T-Rex (Frames)	7038
GFXBench 4.0 - Manhattan (Fps)	1032
GFXBench 4.0 - T-Rex (Fps)	7038

Compare specifications (specs)

	NVIDIA Tesla K20Xm	AMD Radeon HD 6450A
Essentials
Architecture	Kepler	TeraScale 2
Code name	GK110	Caicos
Launch date	12 November 2012	7 April 2011
Launch price (MSRP)	$7,699
Place in performance rating	804	806
Type	Workstation	Desktop
Technical info
Core clock speed	732 MHz	625 MHz
Floating-point performance	3,935 gflops	200 gflops
Manufacturing process technology	28 nm	40 nm
Pipelines	2688	160
Texture fill rate	164.0 GTexel / s	5 GTexel / s
Thermal Design Power (TDP)	235 Watt	25 Watt
Transistor count	7,080 million	370 million
Video outputs and ports
Display Connectors	No outputs	No outputs
Compatibility, dimensions and requirements
Interface	PCIe 3.0 x16	MXM-A (3.0)
Length	267 mm
API support
DirectX	12.0 (11_0)	11.2 (11_0)
OpenGL	4.6	4.4
Memory
Maximum RAM amount	6 GB	512 MB
Memory bandwidth	249.6 GB / s	8.53 GB / s
Memory bus width	384 Bit	64 Bit
Memory clock speed	5200 MHz	1066 MHz
Memory type	GDDR5	DDR3