NVIDIA H800 SXM5 vs AMD Radeon RX 6600M
GPU · Specs Compare
Graphics Card
Release Date
Mar 2023
May 2021
Generation
Server Hopper
Mobility Radeon
Type
AI GPU
Mobile
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x8
Clock Speeds
Base Clock
1095 MHz
2068 MHz
Boost Clock
1755 MHz
2416 MHz
Memory Clock
1313 MHz
1750 MHz
Memory
Memory Size
80GB
8GB
Memory Type
HBM3
GDDR6
Memory Bus
5120bit
128bit
Bandwidth
3.36TB/s
224.0GB/s
Render Config
SM Count
132
—
Shading Units
16896
1792
TMUs
528
112
ROPs
24
64
Tensor Cores
528
—
L1 Cache
256 KB (per SM)
128 KB per Array
L2 Cache
50 MB
2 MB
Compute Units
—
28
RT Cores
—
28
L3 Cache
—
32 MB
Theoretical Performance
Pixel Rate
42.12 GPixel/s
154.6 GPixel/s
Texture Rate
926.6 GTexel/s
270.6 GTexel/s
FP16 (half)
237.2 TFLOPS
17.32 TFLOPS
FP32 (float)
59.30 TFLOPS
8.659 TFLOPS
FP64 (double)
29.65 TFLOPS
541.2 GFLOPS
Graphics Processor
GPU Name
GH100
Navi 23
Architecture
Hopper
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
5 nm
7 nm
Transistors
80 billion
11.06 billion
Die Size
814 mm²
237 mm²
Board Design
TDP
700W
100W
Suggested PSU
1100 W
—
Outputs
No outputs
No outputs
Power Connectors
8-pin EPS
None
Graphics Features
DirectX
N/A
12 Ultimate (12_2)
OpenGL
N/A
4.6
OpenCL
3.0
2.1
Vulkan
N/A
1.3
CUDA
9.0
—
Shader Model
N/A
6.5
▲ Specs Compare
Data sourced from official specifications and benchmark tests.