Radeon 780M and Steam Deck OLED GPU - video card comparison
Radeon 780M
Steam Deck OLED GPU
Architecture
RDNA 3
RDNA 2.0 (2020−2022)
GPU code name
Phoenix
Sephiroth
Market segment
Laptop
Desktop
Release date
January 2023
2023
Interface
PCIe 4.0 x8
-
Supplementary power connectors
None
-
Boost clock speed
3000 MHz
1600 MHz
Core clock speed
1500 MHz
-
Manufacturing process technology
4 nm
6 nm
Number of transistors
25,390 million
2,400 million
Pipelines / CUDA cores
768
512
Power consumption (TDP)
54 Watt (35 - 54 Watt TGP)
15 Watt
Texture fill rate
139.2
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
Portable Device Dependent
1x USB Type-C
DirectX
12 Ultimate (12_2)
12 (12_1)
OpenCL
2.1
2.0
OpenGL
4.6
4.6
Shader Model
6.7
6.5
Vulkan
1.3
1.2