GeForce RTX 4090 Ti and H800 PCIe 80 GB - video card comparison
GeForce RTX 4090 Ti
H800 PCIe 80 GB
Architecture
Ada Lovelace
Hopper (2022)
GPU code name
AD102
GH100
Market segment
Desktop
Desktop
Release date
2023
March 2023
Interface
PCIe 4.0 x16
PCIe 5.0 x16
Supplementary power connectors
2x 16-pin
1x 16-pin
Boost clock speed
2565 MHz
1755 MHz
Manufacturing process technology
5 nm
4 nm
Number of transistors
76,300 million
80,000 million
Pipelines / CUDA cores
18176
14592
Power consumption (TDP)
600 Watt
350 Watt
Texture fill rate
1,457
800.3
Memory type
GDDR6X
HBM2e
Maximum RAM amount
24 GB
80 GB
Memory bus width
384 Bit
5120 Bit
Memory clock speed
24 GB/s
3.2 GB/s
Memory bandwidth
1,152 GB/s
2,039 GB/s
Display Connectors
1x HDMI 2.1, 3x DisplayPort 1.4a
No outputs
HDMI
+
-
DirectX
12 Ultimate (12_2)
N/A
CUDA
8.9
9.0
OpenCL
3.0
3.0
OpenGL
4.6
N/A
Shader Model
6.7
N/A
Vulkan
1.3
N/A