NVIDIA Tesla K40c vs AMD Radeon HD 7850

Comparative analysis of NVIDIA Tesla K40c and AMD Radeon HD 7850 videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory, Technologies. 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, 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), 3DMark Fire Strike - Graphics Score.

NVIDIA Tesla K40c

AMD Radeon HD 7850

Differences

Reasons to consider the NVIDIA Tesla K40c

Videocard is newer: launch date 1 year(s) 7 month(s) later
3.2x more texture fill rate: 178.8 GTexel / s vs 55.04 GTexel / s
2.8x more pipelines: 2880 vs 1024
2.4x better floating-point performance: 4,291 gflops vs 1,761 gflops
6x more maximum memory size: 12 GB vs 2 GB
5x more memory clock speed: 6008 MHz vs 1200 MHz
Around 31% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 61.566 vs 47.041
Around 73% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 1779.043 vs 1028.005
Around 47% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 6.463 vs 4.41
Around 41% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 103.169 vs 72.975
Around 24% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 308.261 vs 249.482
Around 16% better performance in PassMark - G3D Mark: 4495 vs 3867

Specifications (specs)
Launch date	8 October 2013 vs 5 March 2012
Texture fill rate	178.8 GTexel / s vs 55.04 GTexel / s
Pipelines	2880 vs 1024
Floating-point performance	4,291 gflops vs 1,761 gflops
Maximum memory size	12 GB vs 2 GB
Memory clock speed	6008 MHz vs 1200 MHz
Benchmarks
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	61.566 vs 47.041
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	1779.043 vs 1028.005
CompuBench 1.5 Desktop - T-Rex (Frames/s)	6.463 vs 4.41
CompuBench 1.5 Desktop - Video Composition (Frames/s)	103.169 vs 72.975
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	308.261 vs 249.482
PassMark - G3D Mark	4495 vs 3867

Reasons to consider the AMD Radeon HD 7850

Around 9% lower typical power consumption: 225 Watt vs 245 Watt
Around 74% better performance in PassMark - G2D Mark: 564 vs 325

Specifications (specs)
Thermal Design Power (TDP)	225 Watt vs 245 Watt
Benchmarks
PassMark - G2D Mark	564 vs 325

Compare benchmarks

GPU 1: NVIDIA Tesla K40c
GPU 2: AMD Radeon HD 7850

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

GPU 1

GPU 2

61.566

47.041

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

GPU 1

GPU 2

1779.043

1028.005

CompuBench 1.5 Desktop - T-Rex (Frames/s)

GPU 1

GPU 2

6.463

4.41

CompuBench 1.5 Desktop - Video Composition (Frames/s)

GPU 1

GPU 2

103.169

72.975

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

GPU 1

GPU 2

308.261

249.482

PassMark - G2D Mark

GPU 1

GPU 2

325

564

PassMark - G3D Mark

GPU 1

GPU 2

4495

3867

Name	NVIDIA Tesla K40c	AMD Radeon HD 7850
Geekbench - OpenCL	17468
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	61.566	47.041
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	1779.043	1028.005
CompuBench 1.5 Desktop - T-Rex (Frames/s)	6.463	4.41
CompuBench 1.5 Desktop - Video Composition (Frames/s)	103.169	72.975
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	308.261	249.482
PassMark - G2D Mark	325	564
PassMark - G3D Mark	4495	3867
GFXBench 4.0 - Car Chase Offscreen (Frames)		6173
GFXBench 4.0 - Manhattan (Frames)		3696
GFXBench 4.0 - T-Rex (Frames)		3351
GFXBench 4.0 - Car Chase Offscreen (Fps)		6173
GFXBench 4.0 - Manhattan (Fps)		3696
GFXBench 4.0 - T-Rex (Fps)		3351
3DMark Fire Strike - Graphics Score		1312

Compare specifications (specs)

	NVIDIA Tesla K40c	AMD Radeon HD 7850
Essentials
Architecture	Kepler	GCN 1.0
Code name	GK110B	Pitcairn
Launch date	8 October 2013	5 March 2012
Launch price (MSRP)	$7,699	$249
Place in performance rating	531	533
Type	Workstation	Desktop
Design		AMD Radeon HD 7000 Series
Price now		$449.59
Value for money (0-100)		11.01
Technical info
Core clock speed	745 MHz
Floating-point performance	4,291 gflops	1,761 gflops
Manufacturing process technology	28 nm	28 nm
Pipelines	2880	1024
Texture fill rate	178.8 GTexel / s	55.04 GTexel / s
Thermal Design Power (TDP)	245 Watt	225 Watt
Transistor count	7,080 million	2,800 million
Boost clock speed		1000 MHz
Stream Processors		1200
Video outputs and ports
Display Connectors	No outputs	1x DVI, 1x HDMI, 2x mini-DisplayPort
DisplayPort support
Dual-link DVI support
Eyefinity
HDMI
VGA
Compatibility, dimensions and requirements
Interface	PCIe 3.0 x16	PCIe 3.0 x16
Length	267 mm	210 mm
Supplementary power connectors	1x 6-pin + 1x 8-pin	1x 6-pin
Bus support		PCIe 2.1 x16
API support
DirectX	12.0 (11_1)	11
OpenGL	4.6	4.5
Memory
Maximum RAM amount	12 GB	2 GB
Memory bandwidth	288.4 GB / s	153.6 GB/s
Memory bus width	384 Bit	256 Bit
Memory clock speed	6008 MHz	1200 MHz
Memory type	GDDR5	GDDR5
Technologies
AMD Eyefinity
CrossFire
FreeSync