NVIDIA Tesla K20s vs NVIDIA GeForce GT 640M Mac Edition

Comparative analysis of NVIDIA Tesla K20s and NVIDIA GeForce GT 640M Mac Edition 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: 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 K20s

NVIDIA GeForce GT 640M Mac Edition

Differences

Reasons to consider the NVIDIA Tesla K20s

6.2x more texture fill rate: 146.8 GTexel / s vs 23.84 GTexel / s
6.5x more pipelines: 2496 vs 384
6.2x better floating-point performance: 3,524 gflops vs 572.2 gflops
10x more maximum memory size: 5 GB vs 512 MB
Around 4% higher memory clock speed: 5200 MHz vs 5000 MHz

Texture fill rate	146.8 GTexel / s vs 23.84 GTexel / s
Pipelines	2496 vs 384
Floating-point performance	3,524 gflops vs 572.2 gflops
Maximum memory size	5 GB vs 512 MB
Memory clock speed	5200 MHz vs 5000 MHz

Reasons to consider the NVIDIA GeForce GT 640M Mac Edition

Around 6% higher core clock speed: 745 MHz vs 706 MHz
7x lower typical power consumption: 32 Watt vs 225 Watt

Core clock speed	745 MHz vs 706 MHz
Thermal Design Power (TDP)	32 Watt vs 225 Watt

Compare benchmarks

GPU 1: NVIDIA Tesla K20s
GPU 2: NVIDIA GeForce GT 640M Mac Edition

Name	NVIDIA Tesla K20s	NVIDIA GeForce GT 640M Mac Edition
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		6.577
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		226.218
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.559
CompuBench 1.5 Desktop - Video Composition (Frames/s)		11.947
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		12.554
GFXBench 4.0 - Car Chase Offscreen (Frames)		1706
GFXBench 4.0 - Manhattan (Frames)		2983
GFXBench 4.0 - T-Rex (Frames)		5586
GFXBench 4.0 - Car Chase Offscreen (Fps)		28.9
GFXBench 4.0 - Manhattan (Fps)		48.1
GFXBench 4.0 - T-Rex (Fps)		99.8

Compare specifications (specs)

	NVIDIA Tesla K20s	NVIDIA GeForce GT 640M Mac Edition
Essentials
Architecture	Kepler	Kepler
Code name	GK110	GK107
Launch date	18 February 2013	3 February 2013
Launch price (MSRP)	$3,199
Place in performance rating	not rated	1513
Type	Workstation	Desktop
Technical info
Core clock speed	706 MHz	745 MHz
Floating-point performance	3,524 gflops	572.2 gflops
Manufacturing process technology	28 nm	28 nm
Pipelines	2496	384
Texture fill rate	146.8 GTexel / s	23.84 GTexel / s
Thermal Design Power (TDP)	225 Watt	32 Watt
Transistor count	7,080 million	1,270 million
Video outputs and ports
Display Connectors	No outputs	No outputs
Compatibility, dimensions and requirements
Interface	PCIe 2.0 x16	PCIe 3.0 x16
Length	267 mm
API support
DirectX	12.0 (11_0)	12.0 (11_0)
OpenGL	4.6	4.6
Memory
Maximum RAM amount	5 GB	512 MB
Memory bandwidth	208.0 GB / s	40 GB / s
Memory bus width	320 Bit	64 Bit
Memory clock speed	5200 MHz	5000 MHz
Memory type	GDDR5	GDDR5