Radeon RX 6600M and Radeon Graphics 128SP - video card comparison
Radeon RX 6600M
Radeon Graphics 128SP
Architecture
RDNA 2 (2020−2022)
RDNA 2.0 (2020−2022)
GPU code name
R21M-E65-70
Raphael
Market segment
Laptop
Desktop
Release date
September 2020
September 2022
Interface
PCIe 4.0 x8
PCIe 4.0 x8
Supplementary power connectors
None
None
Boost clock speed
2177 MHz
2200 MHz
Core clock speed
2068 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)
100 Watt (50 - 100 Watt TGP)
15 Watt
Texture fill rate
235.8
17.60
Memory type
GDDR6
System Shared
Maximum RAM amount
8 GB
System Shared
Memory bus width
128 Bit
System Shared
Memory clock speed
14000 MHz
System Shared
Memory bandwidth
256.0 GB/s
-
Shared memory
-
-
Display Connectors
No outputs
Motherboard Dependent
DirectX
12 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