NVIDIA Tesla K40m vs AMD Radeon HD 7950 Mac Edition

Comparative analysis of NVIDIA Tesla K40m and AMD Radeon HD 7950 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: 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 - G2D Mark, PassMark - G3D Mark.

NVIDIA Tesla K40m

AMD Radeon HD 7950 Mac Edition

Differences

Reasons to consider the NVIDIA Tesla K40m

Videocard is newer: launch date 8 month(s) later
2x more texture fill rate: 178.8 GTexel / s vs 89.6 GTexel / s
Around 61% higher pipelines: 2880 vs 1792
Around 50% better floating-point performance: 4,291 gflops vs 2,867 gflops
4x more maximum memory size: 12 GB vs 3 GB
Around 20% higher memory clock speed: 6008 MHz vs 5000 MHz
Around 1% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 68.519 vs 67.802
Around 53% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 1884.11 vs 1230.769
Around 44% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 117.253 vs 81.68

Specifications (specs)
Launch date	22 November 2013 vs 7 March 2013
Texture fill rate	178.8 GTexel / s vs 89.6 GTexel / s
Pipelines	2880 vs 1792
Floating-point performance	4,291 gflops vs 2,867 gflops
Maximum memory size	12 GB vs 3 GB
Memory clock speed	6008 MHz vs 5000 MHz
Benchmarks
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	68.519 vs 67.802
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	1884.11 vs 1230.769
CompuBench 1.5 Desktop - Video Composition (Frames/s)	117.253 vs 81.68

Reasons to consider the AMD Radeon HD 7950 Mac Edition

Around 20% higher core clock speed: 800 MHz vs 667 MHz
Around 23% lower typical power consumption: 200 Watt vs 245 Watt
Around 19% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 370.179 vs 310.472

Specifications (specs)
Core clock speed	800 MHz vs 667 MHz
Thermal Design Power (TDP)	200 Watt vs 245 Watt
Benchmarks
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	370.179 vs 310.472

Compare benchmarks

GPU 1: NVIDIA Tesla K40m
GPU 2: AMD Radeon HD 7950 Mac Edition

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

GPU 1

GPU 2

68.519

67.802

CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)

GPU 1

GPU 2

1884.11

1230.769

CompuBench 1.5 Desktop - Video Composition (Frames/s)

GPU 1

GPU 2

117.253

81.68

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

GPU 1

GPU 2

310.472

370.179

Name	NVIDIA Tesla K40m	AMD Radeon HD 7950 Mac Edition
Geekbench - OpenCL	19542
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	68.519	67.802
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	1884.11	1230.769
CompuBench 1.5 Desktop - T-Rex (Frames/s)	6.358
CompuBench 1.5 Desktop - Video Composition (Frames/s)	117.253	81.68
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	310.472	370.179
PassMark - G2D Mark	111
PassMark - G3D Mark	3281

Compare specifications (specs)

	NVIDIA Tesla K40m	AMD Radeon HD 7950 Mac Edition
Essentials
Architecture	Kepler	GCN 1.0
Code name	GK110B	Tahiti
Launch date	22 November 2013	7 March 2013
Launch price (MSRP)	$7,699	$449
Place in performance rating	665	666
Type	Workstation	Desktop
Technical info
Boost clock speed	745 MHz
Core clock speed	667 MHz	800 MHz
Floating-point performance	4,291 gflops	2,867 gflops
Manufacturing process technology	28 nm	28 nm
Pipelines	2880	1792
Texture fill rate	178.8 GTexel / s	89.6 GTexel / s
Thermal Design Power (TDP)	245 Watt	200 Watt
Transistor count	7,080 million	4,313 million
Video outputs and ports
Display Connectors	No outputs	1x DVI, 1x HDMI, 2x mini-DisplayPort
Compatibility, dimensions and requirements
Interface	PCIe 3.0 x16	PCIe 3.0 x16
Length	267 mm	279 mm
Supplementary power connectors		2x 6-pin
API support
DirectX	12.0 (11_1)	12.0 (11_1)
OpenGL	4.6	4.5
Memory
Maximum RAM amount	12 GB	3 GB
Memory bandwidth	288.4 GB / s	240.0 GB / s
Memory bus width	384 Bit	384 Bit
Memory clock speed	6008 MHz	5000 MHz
Memory type	GDDR5	GDDR5