Tesla K20X and Tesla V100 PCIe 16 GB - video card comparison
Tesla K20X
Tesla V100 PCIe 16 GB
Architecture
Kepler (2012−2018)
Volta (2017−2020)
GPU code name
GK110
GV100
Market segment
Workstation
Workstation
Release date
November 2012
June 2017
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 6-pin + 1x 8-pin
2x 8-pin
Boost clock speed
-
1380 MHz
Core clock speed
732 MHz
1246 MHz
Floating-point performance
3,935 gflops
14,131 gflops
Manufacturing process technology
28 nm
12 nm
Number of transistors
7,080 million
21,100 million
Pipelines / CUDA cores
2688
5120
Power consumption (TDP)
235 Watt
300 Watt
Texture fill rate
164.0
441.6
Memory type
GDDR5
HBM2
Maximum RAM amount
6 GB
16 GB
Memory bus width
384 Bit
4096 Bit
Memory clock speed
5200 MHz
1752 MHz
Memory bandwidth
249.6 GB/s
897.0 GB/s
Display Connectors
No outputs
No outputs
DirectX
12 (11_0)
12 (12_1)
CUDA
3.5
7.0
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
6.4
Vulkan
1.1.126
1.2.131