GeForce RTX 3080 and H800 PCIe 80 GB - video card comparison
GeForce RTX 3080
H800 PCIe 80 GB
Architecture
Ampere (2020−2022)
Hopper (2022)
GPU code name
Ampere GA102
GH100
Market segment
Desktop
Desktop
Release date
September 2020
March 2023
Interface
PCIe 4.0 x16
PCIe 5.0 x16
Supplementary power connectors
1x 12-pin
1x 16-pin
Boost clock speed
1710 MHz
1755 MHz
Core clock speed
1450 MHz
-
Manufacturing process technology
8 nm
4 nm
Number of transistors
28,300 million
80,000 million
Pipelines / CUDA cores
8704
14592
Power consumption (TDP)
320 Watt
350 Watt
Texture fill rate
465.1
800.3
Memory type
GDDR6X
HBM2e
Maximum RAM amount
10 GB
80 GB
Memory bus width
320 Bit
5120 Bit
Memory clock speed
19000 MHz
3.2 GB/s
Memory bandwidth
760.3 GB/s
2,039 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort
No outputs
HDMI
+
-
DirectX
12 Ultimate (12_2)
N/A
CUDA
8.5
9.0
OpenCL
2.0
3.0
OpenGL
4.6
N/A
Shader Model
6.5
N/A
Vulkan
1.2
N/A