Tesla M4 and Tesla K20X - video card comparison
Tesla M4
Tesla K20X
Architecture
Maxwell 2.0 (2015−2019)
Kepler (2012−2018)
GPU code name
GM206
GK110
Market segment
Workstation
Workstation
Release date
November 2015
November 2012
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
-
1x 6-pin + 1x 8-pin
Boost clock speed
1072 MHz
-
Core clock speed
872 MHz
732 MHz
Floating-point performance
2,195 gflops
3,935 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
2,940 million
7,080 million
Pipelines / CUDA cores
1024
2688
Power consumption (TDP)
50 Watt
235 Watt
Texture fill rate
68.61
164.0
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
6 GB
Memory bus width
128 Bit
384 Bit
Memory clock speed
5500 MHz
5200 MHz
Memory bandwidth
88 GB/s
249.6 GB/s
Display Connectors
No outputs
No outputs
DirectX
12 (12_1)
12 (11_0)
CUDA
5.2
3.5
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
6.4
5.1
Vulkan
1.1.126
1.1.126