NVIDIA H800 SXM5 vs AMD Radeon Instinct MI250
GPU · Specs Compare
Graphics Card
Release Date
Mar 2023
Nov 2021
Generation
Server Hopper
Radeon Instinct
Type
AI GPU
Professional
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1095 MHz
1000 MHz
Boost Clock
1755 MHz
1700 MHz
Memory Clock
1313 MHz
1600 MHz
Memory
Memory Size
80GB
128GB
Memory Type
HBM3
HBM2e
Memory Bus
5120bit
8192bit
Bandwidth
3.36TB/s
3277GB/s
Render Config
SM Count
132
—
Shading Units
16896
13312
TMUs
528
832
ROPs
24
0
Tensor Cores
528
—
L1 Cache
256 KB (per SM)
16 KB (per CU)
L2 Cache
50 MB
16 MB
Compute Units
—
208
Theoretical Performance
Pixel Rate
42.12 GPixel/s
0 MPixel/s
Texture Rate
926.6 GTexel/s
1414 GTexel/s
FP16 (half)
237.2 TFLOPS
362.1 TFLOPS
FP32 (float)
59.30 TFLOPS
45.26 TFLOPS
FP64 (double)
29.65 TFLOPS
45.26 TFLOPS
Graphics Processor
GPU Name
GH100
Aldebaran
Architecture
Hopper
CDNA 2.0
Foundry
TSMC
TSMC
Process Size
5 nm
6 nm
Transistors
80 billion
58.2 billion
Die Size
814 mm²
Unknown
GPU Variant
—
Aldebaran
Board Design
TDP
700W
500W
Suggested PSU
1100 W
900 W
Outputs
No outputs
No outputs
Power Connectors
8-pin EPS
2x 8-pin
Graphics Features
DirectX
N/A
N/A
OpenGL
N/A
N/A
OpenCL
3.0
3.0
Vulkan
N/A
N/A
CUDA
9.0
—
Shader Model
N/A
N/A
▲ Specs Compare
Data sourced from official specifications and benchmark tests.