AMD Radeon Pro Vega II Duo vs AMD Radeon RX 6600 LE
GPU Specs Compare
Graphics Card
Release Date
Jun 2019
Dec 2023
Generation
Radeon Pro Mac
Navi II
Type
Desktop
Desktop
Bus Interface
Apple MPX
PCIe 4.0 x8
Clock Speeds
Base Clock
1400 MHz
1626 MHz
Boost Clock
1720 MHz
2495 MHz
Memory Clock
1000 MHz
1750 MHz
Memory
Memory Size
32GB
8GB
Memory Type
HBM2
GDDR6
Memory Bus
4096bit
128bit
Bandwidth
1020GB/s
224.0GB/s
Render Config
Compute Units
64
28
Shading Units
4096
1792
TMUs
256
112
ROPs
64
64
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
4 MB
2 MB
RT Cores
-
28
L3 Cache
-
32 MB
Theoretical Performance
Pixel Rate
110.1 GPixel/s
159.7 GPixel/s
Texture Rate
440.3 GTexel/s
279.4 GTexel/s
FP16 (half)
28.18 TFLOPS
17.88 TFLOPS
FP32 (float)
14.09 TFLOPS
8.942 TFLOPS
FP64 (double)
7.045 TFLOPS
558.9 GFLOPS
Graphics Processor
GPU Name
Vega 20
Navi 23
GPU Variant
Vega 20 XT
Navi 23 XL(215-130000016)
Architecture
GCN 5.1
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
7 nm
7 nm
Transistors
13.23 billion
11.06 billion
Die Size
331 mm²
237 mm²
Board Design
TDP
475W
132W
Suggested PSU
850 W
300 W
Outputs
1x HDMI 2.0b4x Thunderbolt
1x HDMI 2.13x DisplayPort 1.4a
Power Connectors
None
1x 8-pin
Graphics Features
DirectX
12 (12_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.1
2.1
Vulkan
1.3
1.3
Shader Model
6.7
6.7