NVIDIA A100 SXM4 80 GB vs AMD Radeon RX 6600
GPU Specs Compare
Graphics Card
Release Date
Nov 2020
Oct 2021
Generation
Tesla Ampere
Navi II
Type
AI GPU
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x8
Clock Speeds
Base Clock
1275 MHz
1626 MHz
Boost Clock
1410 MHz
2491 MHz
Memory Clock
1593 MHz
1750 MHz
Memory
Memory Size
80GB
8GB
Memory Type
HBM2e
GDDR6
Memory Bus
5120bit
128bit
Bandwidth
2039GB/s
224.0GB/s
Render Config
SM Count
108
-
Shading Units
6912
1792
TMUs
432
112
ROPs
160
64
Tensor Cores
432
-
L1 Cache
192 KB (per SM)
128 KB per Array
L2 Cache
40 MB
2 MB
Compute Units
-
28
RT Cores
-
28
L3 Cache
-
32 MB
Theoretical Performance
Pixel Rate
225.6 GPixel/s
159.4 GPixel/s
Texture Rate
609.1 GTexel/s
279.0 GTexel/s
FP16 (half)
77.97 TFLOPS
17.86 TFLOPS
FP32 (float)
19.49 TFLOPS
8.928 TFLOPS
FP64 (double)
9.746 TFLOPS
558.0 GFLOPS
Graphics Processor
GPU Name
GA100
Navi 23
Architecture
Ampere
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
7 nm
7 nm
Transistors
54.2 billion
11.06 billion
Die Size
826 mm²
237 mm²
GPU Variant
-
Navi 23 XL(215-130000016)
Board Design
TDP
400W
132W
Suggested PSU
800 W
300 W
Outputs
No outputs
1x HDMI 2.13x DisplayPort 1.4a
Power Connectors
None
1x 8-pin
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
8.0
-
Shader Model
N/A
6.5