AMD Radeon RX 6600 vs NVIDIA H100 NVL 94 GB
GPU · Specs Compare
Graphics Card
Release Date
Oct 2021
Mar 2023
Generation
Navi II
Server Hopper
Type
Desktop
AI GPU
Bus Interface
PCIe 4.0 x8
PCIe 5.0 x16
Clock Speeds
Base Clock
1626 MHz
1080 MHz
Boost Clock
2491 MHz
1785 MHz
Memory Clock
1750 MHz
1313 MHz
Memory
Memory Size
8GB
94GB
Memory Type
GDDR6
HBM3
Memory Bus
128bit
6016bit
Bandwidth
224.0GB/s
3.95TB/s
Render Config
Compute Units
28
—
Shading Units
1792
16896
TMUs
112
528
ROPs
64
24
RT Cores
28
—
L1 Cache
128 KB per Array
256 KB (per SM)
L2 Cache
2 MB
50 MB
L3 Cache
32 MB
—
SM Count
—
132
Tensor Cores
—
528
Theoretical Performance
Pixel Rate
159.4 GPixel/s
42.84 GPixel/s
Texture Rate
279.0 GTexel/s
942.5 GTexel/s
FP16 (half)
17.86 TFLOPS
241.3 TFLOPS
FP32 (float)
8.928 TFLOPS
60.32 TFLOPS
FP64 (double)
558.0 GFLOPS
30.16 TFLOPS
Graphics Processor
GPU Name
Navi 23
GH100
GPU Variant
Navi 23 XL(215-130000016)
—
Architecture
RDNA 2.0
Hopper
Foundry
TSMC
TSMC
Process Size
7 nm
5 nm
Transistors
11.06 billion
80 billion
Die Size
237 mm²
814 mm²
Board Design
TDP
132W
400W
Suggested PSU
300 W
800 W
Outputs
1x HDMI 2.13x DisplayPort 1.4a
No outputs
Power Connectors
1x 8-pin
8-pin EPS
Graphics Features
DirectX
12 Ultimate (12_2)
N/A
OpenGL
4.6
N/A
OpenCL
2.1
3.0
Vulkan
1.3
N/A
Shader Model
6.5
N/A
CUDA
—
9.0
▲ Specs Compare
Data sourced from official specifications and benchmark tests.