AMD Radeon RX 6600S vs NVIDIA RTX A400
GPU Specs Compare
Graphics Card
Release Date
Jan 2022
Apr 2024
Generation
Mobility Radeon
Quadro Ampere(Ax000)
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x8
PCIe 4.0 x8
Clock Speeds
Base Clock
1700 MHz
1417 MHz
Boost Clock
2000 MHz
1762 MHz
Memory Clock
1750 MHz
1500 MHz
Memory
Memory Size
4GB
4GB
Memory Type
GDDR6
GDDR6
Memory Bus
128bit
64bit
Bandwidth
224.0GB/s
96.00GB/s
Render Config
Compute Units
28
-
Shading Units
1792
768
TMUs
112
24
ROPs
64
16
RT Cores
28
6
L1 Cache
128 KB per Array
128 KB (per SM)
L2 Cache
2 MB
2 MB
L3 Cache
32 MB
-
SM Count
-
6
Tensor Cores
-
24
Theoretical Performance
Pixel Rate
128.0 GPixel/s
28.19 GPixel/s
Texture Rate
224.0 GTexel/s
42.29 GTexel/s
FP16 (half)
14.34 TFLOPS
2.706 TFLOPS
FP32 (float)
7.168 TFLOPS
2.706 TFLOPS
FP64 (double)
448.0 GFLOPS
42.29 GFLOPS
Graphics Processor
GPU Name
Navi 23
GA107
Architecture
RDNA 2.0
Ampere
Foundry
TSMC
Samsung
Process Size
7 nm
8 nm
Transistors
11.06 billion
8.7 billion
Die Size
237 mm²
200 mm²
Board Design
TDP
80W
50W
Outputs
No outputs
4x mini-DisplayPort 1.4a
Power Connectors
None
None
Suggested PSU
-
250 W
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.1
3.0
Vulkan
1.3
1.3
Shader Model
6.5
6.8
CUDA
-
8.6
📊 Benchmark
3DMark Time Spy
7,700
-
3DMark Time Spy Extreme
3,389
-