AMD Radeon RX 6600 vs AMD Radeon VII
GPU Specs Compare
Graphics Card
Release Date
Oct 2021
Feb 2019
Generation
Navi II
Vega II
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x8
PCIe 3.0 x16
Clock Speeds
Base Clock
1626 MHz
1400 MHz
Boost Clock
2491 MHz
1750 MHz
Memory Clock
1750 MHz
1000 MHz
Memory
Memory Size
8GB
16GB
Memory Type
GDDR6
HBM2
Memory Bus
128bit
4096bit
Bandwidth
224.0GB/s
1020GB/s
Render Config
Compute Units
28
60
Shading Units
1792
3840
TMUs
112
240
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
159.4 GPixel/s
112.0 GPixel/s
Texture Rate
279.0 GTexel/s
420.0 GTexel/s
FP16 (half)
17.86 TFLOPS
26.88 TFLOPS
FP32 (float)
8.928 TFLOPS
13.44 TFLOPS
FP64 (double)
558.0 GFLOPS
3.360 TFLOPS
Graphics Processor
GPU Name
Navi 23
Vega 20
GPU Variant
Navi 23 XL(215-130000016)
Vega 20 XT
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
Board Design
TDP
132W
295W
Suggested PSU
300 W
600 W
Outputs
1x HDMI 2.13x DisplayPort 1.4a
1x HDMI 2.0b3x DisplayPort 1.4a
Power Connectors
1x 8-pin
2x 8-pin
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
-
8,923
3DMark Time Spy Extreme
-
4,374
Blender
-
772