Radeon 680M and Steam Deck GPU - video card comparison
Radeon 680M
Steam Deck GPU
Architecture
RDNA 2 (2020−2022)
RDNA 2.0 (2020−2022)
GPU code name
RDNA 2 Rembrandt
Van Gogh
Market segment
Laptop
Desktop
Release date
January 2022
February 2022
Interface
PCIe 4.0 x8
-
Supplementary power connectors
None
None
Boost clock speed
2400 MHz
1600 MHz
Manufacturing process technology
6 nm
7 nm
Number of transistors
13,100 million
2,400 million
Pipelines / CUDA cores
768
512
Power consumption (TDP)
45 Watt
15 Watt
Texture fill rate
115.2
51.20
Memory type
System Shared
LPDDR5
Maximum RAM amount
System Shared
16 GB
Memory bus width
System Shared
128 Bit
Memory clock speed
System Shared
5.5 GB/s
Memory bandwidth
-
88 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x USB Type-C
DirectX
12 (12_1)
12 (12_1)
OpenCL
2.0
2.0
OpenGL
4.6
4.6
Shader Model
6.5
6.5
Vulkan
1.2
1.2