AMD Radeon R9 255 OEM vs NVIDIA Tesla K40m

Comparative analysis of AMD Radeon R9 255 OEM and NVIDIA Tesla K40m 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 - G2D Mark, PassMark - G3D Mark, Geekbench - OpenCL, GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps), 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).

AMD Radeon R9 255 OEM

NVIDIA Tesla K40m

Differences

Reasons to consider the AMD Radeon R9 255 OEM

Around 35% higher core clock speed: 900 MHz vs 667 MHz
Around 25% higher boost clock speed: 930 MHz vs 745 MHz
3.8x lower typical power consumption: 65 Watt vs 245 Watt
2.1x better performance in PassMark - G2D Mark: 388 vs 184
2.1x better performance in Geekbench - OpenCL: 40722 vs 19542

Specifications (specs)
Core clock speed	900 MHz vs 667 MHz
Boost clock speed	930 MHz vs 745 MHz
Thermal Design Power (TDP)	65 Watt vs 245 Watt
Benchmarks
PassMark - G2D Mark	388 vs 184
Geekbench - OpenCL	40722 vs 19542

Reasons to consider the NVIDIA Tesla K40m

6x more texture fill rate: 178.8 GTexel / s vs 29.76 GTexel / s
5.6x more pipelines: 2880 vs 512
4.5x better floating-point performance: 4,291 gflops vs 952.3 gflops
6x more maximum memory size: 12 GB vs 2 GB
Around 31% higher memory clock speed: 6008 MHz vs 4600 MHz
2.2x better performance in PassMark - G3D Mark: 3143 vs 1420

Specifications (specs)
Texture fill rate	178.8 GTexel / s vs 29.76 GTexel / s
Pipelines	2880 vs 512
Floating-point performance	4,291 gflops vs 952.3 gflops
Maximum memory size	12 GB vs 2 GB
Memory clock speed	6008 MHz vs 4600 MHz
Benchmarks
PassMark - G3D Mark	3143 vs 1420

Compare benchmarks

GPU 1: AMD Radeon R9 255 OEM
GPU 2: NVIDIA Tesla K40m

PassMark - G2D Mark

GPU 1

GPU 2

388

184

PassMark - G3D Mark

GPU 1

GPU 2

1420

3143

Geekbench - OpenCL

GPU 1

GPU 2

40722

19542

Name	AMD Radeon R9 255 OEM	NVIDIA Tesla K40m
PassMark - G2D Mark	388	184
PassMark - G3D Mark	1420	3143
Geekbench - OpenCL	40722	19542
GFXBench 4.0 - Car Chase Offscreen (Frames)	3112
GFXBench 4.0 - Car Chase Offscreen (Fps)	3112
GFXBench 4.0 - Manhattan (Frames)	3168
GFXBench 4.0 - Manhattan (Fps)	3168
GFXBench 4.0 - T-Rex (Frames)	3346
GFXBench 4.0 - T-Rex (Fps)	3346
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		68.519
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		1884.11
CompuBench 1.5 Desktop - T-Rex (Frames/s)		6.358
CompuBench 1.5 Desktop - Video Composition (Frames/s)		117.253
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		310.472

Compare specifications (specs)

	AMD Radeon R9 255 OEM	NVIDIA Tesla K40m
Essentials
Architecture	GCN 1.0	Kepler
Code name	Cape Verde	GK110B
Launch date	21 December 2013	22 November 2013
Place in performance rating	612	613
Type	Desktop	Workstation
Launch price (MSRP)		$7,699
Technical info
Boost clock speed	930 MHz	745 MHz
Core clock speed	900 MHz	667 MHz
Floating-point performance	952.3 gflops	4,291 gflops
Manufacturing process technology	28 nm	28 nm
Pipelines	512	2880
Texture fill rate	29.76 GTexel / s	178.8 GTexel / s
Thermal Design Power (TDP)	65 Watt	245 Watt
Transistor count	1,500 million	7,080 million
Video outputs and ports
Display Connectors	No outputs	No outputs
Compatibility, dimensions and requirements
Interface	PCIe 3.0 x16	PCIe 3.0 x16
Supplementary power connectors	1x 6-pin
Length		267 mm
API support
DirectX	12.0 (11_1)	12.0 (11_1)
OpenGL	4.5	4.6
Memory
Maximum RAM amount	2 GB	12 GB
Memory bandwidth	73.6 GB / s	288.4 GB / s
Memory bus width	128 Bit	384 Bit
Memory clock speed	4600 MHz	6008 MHz
Memory type	GDDR5	GDDR5