Radeon RX 6600M and Steam Deck GPU - video card comparison
Radeon RX 6600M
Steam Deck GPU
Architecture
RDNA 2 (2020−2022)
RDNA 2.0 (2020−2022)
GPU code name
R21M-E65-70
Van Gogh
Market segment
Laptop
Desktop
Release date
September 2020
February 2022
Interface
PCIe 4.0 x8
-
Supplementary power connectors
None
None
Boost clock speed
2177 MHz
1600 MHz
Core clock speed
2068 MHz
-
Manufacturing process technology
7 nm
7 nm
Number of transistors
11,060 million
2,400 million
Pipelines / CUDA cores
1792
512
Power consumption (TDP)
100 Watt (50 - 100 Watt TGP)
15 Watt
Texture fill rate
235.8
51.20
Memory type
GDDR6
LPDDR5
Maximum RAM amount
8 GB
16 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
14000 MHz
5.5 GB/s
Memory bandwidth
256.0 GB/s
88 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x USB Type-C
DirectX
12 Ultimate (12_2)
12 (12_1)
OpenCL
2.1
2.0
OpenGL
4.6
4.6
Shader Model
6.5
6.5
Vulkan
1.2
1.2