NVIDIA Tesla K20m vs NVIDIA Quadro CX

Comparative analysis of NVIDIA Tesla K20m and NVIDIA Quadro CX 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

NVIDIA Quadro CX

Differences

Reasons to consider the NVIDIA Tesla K20m

Videocard is newer: launch date 4 year(s) 1 month(s) later
Around 17% higher core clock speed: 706 MHz vs 602 MHz
3.8x more texture fill rate: 146.8 GTexel / s vs 38.5 GTexel / s
13x more pipelines: 2496 vs 192
7.6x better floating-point performance: 3,524 gflops vs 462.3 gflops
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 55 nm
3.3x more maximum memory size: 5 GB vs 1536 MB
3.3x more memory clock speed: 5200 MHz vs 1600 MHz
4.7x better performance in PassMark - G3D Mark: 4432 vs 947

Specifications (specs)
Launch date	5 January 2013 vs 11 November 2008
Core clock speed	706 MHz vs 602 MHz
Texture fill rate	146.8 GTexel / s vs 38.5 GTexel / s
Pipelines	2496 vs 192
Floating-point performance	3,524 gflops vs 462.3 gflops
Manufacturing process technology	28 nm vs 55 nm
Maximum memory size	5 GB vs 1536 MB
Memory clock speed	5200 MHz vs 1600 MHz
Benchmarks
PassMark - G3D Mark	4432 vs 947

Reasons to consider the NVIDIA Quadro CX

Around 50% lower typical power consumption: 150 Watt vs 225 Watt
2.2x better performance in PassMark - G2D Mark: 454 vs 210

Specifications (specs)
Thermal Design Power (TDP)	150 Watt vs 225 Watt
Benchmarks
PassMark - G2D Mark	454 vs 210

Compare benchmarks

GPU 1: NVIDIA Tesla K20m
GPU 2: NVIDIA Quadro CX

PassMark - G3D Mark

GPU 1

GPU 2

4432

947

PassMark - G2D Mark

GPU 1

GPU 2

210

454

Name	NVIDIA Tesla K20m	NVIDIA Quadro CX
PassMark - G3D Mark	4432	947
PassMark - G2D Mark	210	454
Geekbench - OpenCL	14510
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	NVIDIA Quadro CX
Essentials
Architecture	Kepler	Tesla 2.0
Code name	GK110	GT200B
Launch date	5 January 2013	11 November 2008
Launch price (MSRP)	$3,199	$1,999
Place in performance rating	408	315
Type	Workstation	Workstation
Price now		$149.95
Value for money (0-100)		8.20
Technical info
Core clock speed	706 MHz	602 MHz
Floating-point performance	3,524 gflops	462.3 gflops
Manufacturing process technology	28 nm	55 nm
Pipelines	2496	192
Texture fill rate	146.8 GTexel / s	38.5 GTexel / s
Thermal Design Power (TDP)	225 Watt	150 Watt
Transistor count	7,080 million	1,400 million
Video outputs and ports
Display Connectors	No outputs	1x DVI, 2x DisplayPort, 1x S-Video
Compatibility, dimensions and requirements
Interface	PCIe 2.0 x16	PCIe 2.0 x16
Length	267 mm	267 mm
Supplementary power connectors	1x 6-pin + 1x 8-pin	1x 6-pin
API support
DirectX	12.0 (11_0)	10.0
OpenGL	4.6	3.3
Memory
Maximum RAM amount	5 GB	1536 MB
Memory bandwidth	208.0 GB / s	76.8 GB / s
Memory bus width	320 Bit	384 Bit
Memory clock speed	5200 MHz	1600 MHz
Memory type	GDDR5	GDDR3