Radeon Instinct MI300X and H800 PCIe 80 GB - video card comparison
Radeon Instinct MI300X
H800 PCIe 80 GB
Architecture
CDNA 3.0
Hopper (2022)
GPU code name
Aqua Vanjaram
GH100
Market segment
Desktop
Desktop
Release date
December 2023
March 2023
Interface
PCIe 5.0 x16
PCIe 5.0 x16
Supplementary power connectors
None
1x 16-pin
Boost clock speed
2100 MHz
1755 MHz
Manufacturing process technology
5 nm
4 nm
Number of transistors
153,000 million
80,000 million
Pipelines / CUDA cores
19456
14592
Power consumption (TDP)
750 Watt
350 Watt
Texture fill rate
2,554
800.3
Memory type
HBM3
HBM2e
Maximum RAM amount
192 GB
80 GB
Memory bus width
8192 Bit
5120 Bit
Memory clock speed
5 GB/s
3.2 GB/s
Memory bandwidth
5,171 GB/s
2,039 GB/s
Display Connectors
No outputs
No outputs
DirectX
N/A
N/A
CUDA
-
9.0
OpenCL
3.0
3.0
OpenGL
N/A
N/A
Shader Model
N/A
N/A
Vulkan
N/A
N/A