A100 SXM4 and Tesla K20X - video card comparison
A100 SXM4
Tesla K20X
Architecture
Ampere (2020−2022)
Kepler (2012−2018)
GPU code name
GA100
GK110
Market segment
Desktop
Workstation
Release date
May 2020
November 2012
Interface
PCIe 4.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
1x 6-pin + 1x 8-pin
Core clock speed
1410 MHz
732 MHz
Floating-point performance
-
3,935 gflops
Manufacturing process technology
7 nm
28 nm
Number of transistors
54,200 million
7,080 million
Pipelines / CUDA cores
6912
2688
Power consumption (TDP)
400 Watt
235 Watt
Texture fill rate
609.1
164.0
Memory type
HBM2E
GDDR5
Maximum RAM amount
40 GB
6 GB
Memory bus width
5120 Bit
384 Bit
Memory clock speed
2430 MHz
5200 MHz
Memory bandwidth
1,555 GB/s
249.6 GB/s
Display Connectors
No outputs
No outputs
DirectX
12 Ultimate (12_2)
12 (11_0)
CUDA
8.0
3.5
OpenCL
2.0
1.2
OpenGL
4.6
4.6
Shader Model
6.5
5.1
Vulkan
1.2.140
1.1.126