AMD Radeon RX 6600S vs NVIDIA A40 PCIe
GPU · Specs Compare
Graphics Card
Release Date
Jan 2022
Oct 2020
Generation
Mobility Radeon
Tesla
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x8
PCIe 4.0 x16
Clock Speeds
Base Clock
1700 MHz
1305 MHz
Boost Clock
2000 MHz
1740 MHz
Memory Clock
1750 MHz
1812 MHz
Memory
Memory Size
4GB
48GB
Memory Type
GDDR6
GDDR6
Memory Bus
128bit
384bit
Bandwidth
224.0GB/s
695.8GB/s
Render Config
Compute Units
28
—
Shading Units
1792
10752
TMUs
112
336
ROPs
64
112
RT Cores
28
84
L1 Cache
128 KB per Array
128 KB (per SM)
L2 Cache
2 MB
6 MB
L3 Cache
32 MB
—
SM Count
—
84
Tensor Cores
—
336
Theoretical Performance
Pixel Rate
128.0 GPixel/s
194.9 GPixel/s
Texture Rate
224.0 GTexel/s
584.6 GTexel/s
FP16 (half)
14.34 TFLOPS
37.42 TFLOPS
FP32 (float)
7.168 TFLOPS
37.42 TFLOPS
FP64 (double)
448.0 GFLOPS
584.6 GFLOPS
Graphics Processor
GPU Name
Navi 23
GA102
Architecture
RDNA 2.0
Ampere
Foundry
TSMC
Samsung
Process Size
7 nm
8 nm
Transistors
11.06 billion
28.3 billion
Die Size
237 mm²
628 mm²
Board Design
TDP
80W
300W
Outputs
No outputs
3x DisplayPort 1.4a
Power Connectors
None
8-pin EPS
Suggested PSU
—
700 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
6.6
CUDA
—
8.6
Benchmark
3DMark Time Spy
7,700
—
3DMark Time Spy Extreme
3,389
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.