Tesla K20X and H100 PCIe - video card comparison
Tesla K20X
H100 PCIe
Architecture
Kepler (2012−2018)
Hopper (2022)
GPU code name
GK110
GH100
Market segment
Workstation
Desktop
Release date
November 2012
March 2022
Interface
PCIe 3.0 x16
PCIe 5.0 x16
Supplementary power connectors
1x 6-pin + 1x 8-pin
8-pin EPS
Boost clock speed
-
1650 MHz
Core clock speed
732 MHz
-
Floating-point performance
3,935 gflops
-
Manufacturing process technology
28 nm
4 nm
Number of transistors
7,080 million
80,000 million
Pipelines / CUDA cores
2688
7296
Power consumption (TDP)
235 Watt
350 Watt
Texture fill rate
164.0
752.4
Memory type
GDDR5
HBM2e
Maximum RAM amount
6 GB
80 GB
Memory bus width
384 Bit
5120 Bit
Memory clock speed
5200 MHz
2 GB/s
Memory bandwidth
249.6 GB/s
1,280 GB/s
Display Connectors
No outputs
No outputs
DirectX
12 (11_0)
N/A
CUDA
3.5
9.0
OpenCL
1.2
3.0
OpenGL
4.6
N/A
Shader Model
5.1
N/A
Vulkan
1.1.126
N/A