
Polaris 21 and Radeon RX 6600 - video card comparison
Polaris 21
Radeon RX 6600
Architecture
GCN 4.0 (2016−2020)
Navi / RDNA2 (2020−2022)
GPU code name
Polaris 21
Navi 23
Market segment
Desktop
Desktop
Release date
-
October 2021
Interface
-
PCIe 4.0 x8
Supplementary power connectors
-
1x 8-pin
Boost clock speed
-
2491 MHz
Core clock speed
-
2044 MHz
Manufacturing process technology
14 nm
7 nm
Number of transistors
3,000 million
11,060 million
Pipelines / CUDA cores
1024
1792
Power consumption (TDP)
-
132 Watt
Texture fill rate
-
279.0
Memory type
-
GDDR6
Maximum RAM amount
-
8 GB
Memory bus width
-
128 Bit
Memory clock speed
-
14500 MHz
Memory bandwidth
-
224.0 GB/s
Shared memory
-
-
Display Connectors
-
1x HDMI, 3x DisplayPort
HDMI
-
+
DirectX
12 (12_0)
12.0 Ultimate (12_2)
OpenCL
2.1
2.1
OpenGL
4.6
4.6
Shader Model
6.7
6.5
Vulkan
1.3
1.2