AMD Radeon RX 6600S vs AMD Radeon Pro Vega II Duo
GPU Specs Compare
Graphics Card
Release Date
Jan 2022
Jun 2019
Generation
Mobility Radeon
Radeon Pro Mac
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x8
Apple MPX
Clock Speeds
Base Clock
1700 MHz
1400 MHz
Boost Clock
2000 MHz
1720 MHz
Memory Clock
1750 MHz
1000 MHz
Memory
Memory Size
4GB
32GB
Memory Type
GDDR6
HBM2
Memory Bus
128bit
4096bit
Bandwidth
224.0GB/s
1020GB/s
Render Config
Compute Units
28
64
Shading Units
1792
4096
TMUs
112
256
ROPs
64
64
RT Cores
28
-
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
2 MB
4 MB
L3 Cache
32 MB
-
Theoretical Performance
Pixel Rate
128.0 GPixel/s
110.1 GPixel/s
Texture Rate
224.0 GTexel/s
440.3 GTexel/s
FP16 (half)
14.34 TFLOPS
28.18 TFLOPS
FP32 (float)
7.168 TFLOPS
14.09 TFLOPS
FP64 (double)
448.0 GFLOPS
7.045 TFLOPS
Graphics Processor
GPU Name
Navi 23
Vega 20
Architecture
RDNA 2.0
GCN 5.1
Foundry
TSMC
TSMC
Process Size
7 nm
7 nm
Transistors
11.06 billion
13.23 billion
Die Size
237 mm²
331 mm²
GPU Variant
-
Vega 20 XT
Board Design
TDP
80W
475W
Outputs
No outputs
1x HDMI 2.0b4x Thunderbolt
Power Connectors
None
None
Suggested PSU
-
850 W
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
2.1
2.1
Vulkan
1.3
1.3
Shader Model
6.5
6.7
📊 Benchmark
3DMark Time Spy
7,700
-
3DMark Time Spy Extreme
3,389
-