NVIDIA H100 NVL 94 GB vs AMD Instinct MI300X
GPU Specs Compare
Graphics Card
Release Date
Mar 2023
Dec 2023
Generation
Server Hopper
Radeon Instinct
Type
AI GPU
Professional
Bus Interface
PCIe 5.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
1080 MHz
1000 MHz
Boost Clock
1785 MHz
2100 MHz
Memory Clock
1313 MHz
2525 MHz
Memory
Memory Size
94GB
192GB
Memory Type
HBM3
HBM3
Memory Bus
6016bit
8192bit
Bandwidth
3.95TB/s
10.3TB/s
Render Config
SM Count
132
-
Shading Units
16896
19456
TMUs
528
1216
ROPs
24
0
Tensor Cores
528
-
L1 Cache
256 KB (per SM)
16 KB (per CU)
L2 Cache
50 MB
16 MB
Compute Units
-
304
L3 Cache
-
256 MB
Theoretical Performance
Pixel Rate
42.84 GPixel/s
0 MPixel/s
Texture Rate
942.5 GTexel/s
2553.6 GTexel/s
FP16 (half)
241.3 TFLOPS
653.7 TFLOPS
FP32 (float)
60.32 TFLOPS
81.72 TFLOPS
FP64 (double)
30.16 TFLOPS
81.72 TFLOPS
Graphics Processor
GPU Name
GH100
Aqua Vanjaram
Architecture
Hopper
CDNA 3.0
Foundry
TSMC
TSMC
Process Size
5 nm
5 nm
Transistors
80 billion
153 billion
Die Size
814 mm²
1017 mm²
Board Design
TDP
400W
750W
Suggested PSU
800 W
1150 W
Outputs
No outputs
No outputs
Power Connectors
8-pin EPS
None
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