GeForce RTX 4070 and H800 PCIe 80 GB - video card comparison
GeForce RTX 4070
H800 PCIe 80 GB
Architecture
Ada Lovelace
Hopper (2022)
GPU code name
AD104
GH100
Market segment
Desktop
Desktop
Release date
April 2023
March 2023
Interface
PCIe 4.0 x16
PCIe 5.0 x16
Supplementary power connectors
1x 16-pin
1x 16-pin
Boost clock speed
2475 MHz
1755 MHz
Core clock speed
1920 MHz
-
Manufacturing process technology
5 nm
4 nm
Number of transistors
35,800 million
80,000 million
Pipelines / CUDA cores
5888
14592
Power consumption (TDP)
200 Watt
350 Watt
Texture fill rate
455.4
800.3
Memory type
GDDR6X
HBM2e
Maximum RAM amount
12 GB
80 GB
Memory bus width
192 Bit
5120 Bit
Memory clock speed
21000 MHz
3.2 GB/s
Memory bandwidth
504.2 GB/s
2,039 GB/s
Shared memory
-
-
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