NVIDIA Tesla K40st vs AMD Radeon R9 270

Comparative analysis of NVIDIA Tesla K40st and AMD Radeon R9 270 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: 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), 3DMark Fire Strike - Graphics Score.

NVIDIA Tesla K40st

AMD Radeon R9 270

Differences

Reasons to consider the NVIDIA Tesla K40st

2.4x more texture fill rate: 178.8 GTexel / s vs 74 GTexel / s
2.3x more pipelines: 2880 vs 1280
Around 81% better floating-point performance: 4,291 gflops vs 2,368 gflops
6x more maximum memory size: 12 GB vs 2 GB

Texture fill rate	178.8 GTexel / s vs 74 GTexel / s
Pipelines	2880 vs 1280
Floating-point performance	4,291 gflops vs 2,368 gflops
Maximum memory size	12 GB vs 2 GB

Reasons to consider the AMD Radeon R9 270

Around 63% lower typical power consumption: 150 Watt vs 245 Watt

Thermal Design Power (TDP)	150 Watt vs 245 Watt

Compare benchmarks

GPU 1: NVIDIA Tesla K40st
GPU 2: AMD Radeon R9 270

Name	NVIDIA Tesla K40st	AMD Radeon R9 270
PassMark - G3D Mark		4306
PassMark - G2D Mark		567
Geekbench - OpenCL		74175
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		55.721
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		1282.039
CompuBench 1.5 Desktop - T-Rex (Frames/s)		5.927
CompuBench 1.5 Desktop - Video Composition (Frames/s)		93.116
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		261.843
GFXBench 4.0 - Car Chase Offscreen (Frames)		3448
GFXBench 4.0 - Manhattan (Frames)		3699
GFXBench 4.0 - T-Rex (Frames)		3347
GFXBench 4.0 - Car Chase Offscreen (Fps)		3448
GFXBench 4.0 - Manhattan (Fps)		3699
GFXBench 4.0 - T-Rex (Fps)		3347
3DMark Fire Strike - Graphics Score		1603

Compare specifications (specs)

	NVIDIA Tesla K40st	AMD Radeon R9 270
Essentials
Architecture	Kepler	GCN 1.0
Code name	GK110B	Curacao
Launch date	22 November 2013	13 November 2013
Launch price (MSRP)	$7,699	$179
Place in performance rating	not rated	521
Type	Workstation	Desktop
Design		AMD Radeon R9 200 Series
Technical info
Core clock speed	745 MHz
Floating-point performance	4,291 gflops	2,368 gflops
Manufacturing process technology	28 nm	28 nm
Pipelines	2880	1280
Texture fill rate	178.8 GTexel / s	74 GTexel / s
Thermal Design Power (TDP)	245 Watt	150 Watt
Transistor count	7,080 million	2,800 million
Boost clock speed		925 MHz
Stream Processors		1280
Video outputs and ports
Display Connectors	No outputs	2x DVI, 1x HDMI, 1x 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
Bus support		PCIe 3.0
Supplementary power connectors		1 x 6-pin
API support
DirectX	12.0 (11_1)	12
OpenGL	4.6	4.5
Vulkan
Memory
Maximum RAM amount	12 GB	2 GB
Memory bandwidth	288.4 GB / s	179.2 GB/s
Memory bus width	384 Bit	256 Bit
Memory clock speed	6008 MHz
Memory type	GDDR5	GDDR5
Technologies
AMD Eyefinity
CrossFire
DDMA audio
FreeSync
HD3D
LiquidVR
TressFX
TrueAudio
Unified Video Decoder (UVD)