AMD Radeon RX 6600 vs NVIDIA H100 CNX
GPU · Specs Compare
Graphics Card
Release Date
Oct 2021
Mar 2023
Generation
Navi II
Tesla Hopper
Type
Desktop
AI GPU
Bus Interface
PCIe 4.0 x8
PCIe 5.0 x16
Clock Speeds
Base Clock
1626 MHz
690 MHz
Boost Clock
2491 MHz
1845 MHz
Memory Clock
1750 MHz
1593 MHz
Memory
Memory Size
8GB
80GB
Memory Type
GDDR6
HBM2e
Memory Bus
128bit
5120bit
Bandwidth
224.0GB/s
2039GB/s
Render Config
Compute Units
28
—
Shading Units
1792
14592
TMUs
112
456
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
—
114
Tensor Cores
—
456
Theoretical Performance
Pixel Rate
159.4 GPixel/s
44.28 GPixel/s
Texture Rate
279.0 GTexel/s
841.3 GTexel/s
FP16 (half)
17.86 TFLOPS
215.4 TFLOPS
FP32 (float)
8.928 TFLOPS
53.84 TFLOPS
FP64 (double)
558.0 GFLOPS
26.92 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
4 nm
Transistors
11.06 billion
80 billion
Die Size
237 mm²
814 mm²
Board Design
TDP
132W
350W
Suggested PSU
300 W
750 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.