NVIDIA H100 SXM5 vs AMD Radeon RX 6400
GPU · Specs Compare
Graphics Card
Release Date
Mar 2022
Jan 2022
Generation
Tesla Hopper
Navi II
Type
AI GPU
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x4
Clock Speeds
Base Clock
1590 MHz
1923 MHz
Boost Clock
1980 MHz
2321 MHz
Memory Clock
1313 MHz
2000 MHz
Memory
Memory Size
80GB
4GB
Memory Type
HBM3
GDDR6
Memory Bus
5120bit
64bit
Bandwidth
3350GB/s
128.0GB/s
Render Config
SM Count
132
—
Shading Units
16896
768
TMUs
528
48
ROPs
24
32
Tensor Cores
528
—
L1 Cache
256 KB (per SM)
128 KB per Array
L2 Cache
50 MB
1024 KB
Compute Units
—
12
RT Cores
—
12
L3 Cache
—
16 MB
Theoretical Performance
Pixel Rate
47.52 GPixel/s
74.27 GPixel/s
Texture Rate
1045 GTexel/s
111.4 GTexel/s
FP16 (half)
267.6 TFLOPS
7.130 TFLOPS
FP32 (float)
66.91 TFLOPS
3.565 TFLOPS
FP64 (double)
33.45 TFLOPS
222.8 GFLOPS
Graphics Processor
GPU Name
GH100
Navi 24
Architecture
Hopper
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
4 nm
6 nm
Transistors
80 billion
5.4 billion
Die Size
814 mm²
107 mm²
GPU Variant
—
Navi 24 XL(215-135000046)
Board Design
TDP
700W
53W
Suggested PSU
1100 W
250 W
Outputs
No outputs
1x HDMI 2.11x DisplayPort 1.4a
Power Connectors
8-pin EPS
None
Graphics Features
DirectX
N/A
12 Ultimate (12_2)
OpenGL
N/A
4.6
OpenCL
3.0
2.2
Vulkan
N/A
1.3
CUDA
9.0
—
Shader Model
N/A
6.7
▲ Specs Compare
Data sourced from official specifications and benchmark tests.