Radeon RX 6600 and Radeon Graphics 128SP - video card comparison
Radeon RX 6600
Radeon Graphics 128SP
Architecture
Navi / RDNA2 (2020−2022)
RDNA 2.0 (2020−2022)
GPU code name
Navi 23
Raphael
Market segment
Desktop
Desktop
Release date
October 2021
September 2022
Interface
PCIe 4.0 x8
PCIe 4.0 x8
Supplementary power connectors
1x 8-pin
None
Boost clock speed
2491 MHz
2200 MHz
Core clock speed
2044 MHz
-
Manufacturing process technology
7 nm
5 nm
Number of transistors
11,060 million
3,400 million
Pipelines / CUDA cores
1792
128
Power consumption (TDP)
132 Watt
15 Watt
Texture fill rate
279.0
17.60
Memory type
GDDR6
System Shared
Maximum RAM amount
8 GB
System Shared
Memory bus width
128 Bit
System Shared
Memory clock speed
14500 MHz
System Shared
Memory bandwidth
224.0 GB/s
-
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort
Motherboard Dependent
HDMI
+
-
DirectX
12.0 Ultimate (12_2)
12 Ultimate (12_2)
OpenCL
2.1
2.0
OpenGL
4.6
4.6
Shader Model
6.5
6.7
Vulkan
1.2
1.3