AMD Radeon Instinct MI300A vs NVIDIA H800 SXM5
GPU · Specs Compare
Graphics Card
Release Date
Dec 2023
Mar 2023
Generation
Radeon Instinct
Server Hopper
Type
Desktop
AI GPU
Bus Interface
PCIe 5.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
1000 MHz
1095 MHz
Boost Clock
2100 MHz
1755 MHz
Memory Clock
2525 MHz
1313 MHz
Memory
Memory Size
192GB
80GB
Memory Type
HBM3
HBM3
Memory Bus
8192bit
5120bit
Bandwidth
10.3TB/s
3.36TB/s
Render Config
Compute Units
304
—
Shading Units
19456
16896
TMUs
1216
528
ROPs
0
24
Tensor Cores
1216
528
L1 Cache
16 KB (per CU)
256 KB (per SM)
L2 Cache
16 MB
50 MB
L3 Cache
256 MB
—
SM Count
—
132
Theoretical Performance
Pixel Rate
0 MPixel/s
42.12 GPixel/s
Texture Rate
2554 GTexel/s
926.6 GTexel/s
FP16 (half)
653.7 TFLOPS
237.2 TFLOPS
FP32 (float)
81.72 TFLOPS
59.30 TFLOPS
FP64 (double)
81.72 TFLOPS
29.65 TFLOPS
Graphics Processor
GPU Name
Aqua Vanjaram
GH100
Architecture
CDNA 3.0
Hopper
Foundry
TSMC
TSMC
Process Size
5 nm
5 nm
Transistors
153 billion
80 billion
Die Size
1017 mm²
814 mm²
Board Design
TDP
750W
700W
Suggested PSU
1150 W
1100 W
Outputs
No outputs
No outputs
Power Connectors
None
8-pin EPS
Graphics Features
DirectX
N/A
N/A
OpenGL
N/A
N/A
OpenCL
3.0
3.0
Vulkan
N/A
N/A
Shader Model
N/A
N/A
CUDA
—
9.0
▲ Specs Compare
Data sourced from official specifications and benchmark tests.