
H100 PCIe 80 GB and L20 - video card comparison
H100 PCIe 80 GB
L20
Architecture
Hopper (2022)
Ada Lovelace
GPU code name
GH100
AD102
Market segment
Desktop
Desktop
Release date
March 2023
November 2023
Interface
PCIe 5.0 x16
PCIe 4.0 x16
Supplementary power connectors
1x 16-pin
1x 16-pin
Boost clock speed
1755 MHz
2520 MHz
Manufacturing process technology
4 nm
5 nm
Number of transistors
80,000 million
76,300 million
Pipelines / CUDA cores
14592
11776
Power consumption (TDP)
350 Watt
275 Watt
Texture fill rate
800.3
927.4
Memory type
HBM2e
GDDR6
Maximum RAM amount
80 GB
48 GB
Memory bus width
5120 Bit
384 Bit
Memory clock speed
3.2 GB/s
18 GB/s
Memory bandwidth
2,039 GB/s
864.0 GB/s
Display Connectors
No outputs
4x DisplayPort 1.4a
DirectX
N/A
12 Ultimate (12_2)
CUDA
9.0
8.9
OpenCL
3.0
3.0
OpenGL
N/A
4.6
Shader Model
N/A
6.7
Vulkan
N/A
1.3