Radeon HD 7970M and Steam Deck GPU - video card comparison
Radeon HD 7970M
Steam Deck GPU
Architecture
GCN (2011−2017)
RDNA 2.0 (2020−2022)
GPU code name
Wimbledon XT
Van Gogh
Market segment
Laptop
Desktop
Release date
May 2012
February 2022
Interface
MXM-B (3.0)
-
Supplementary power connectors
None
None
Boost clock speed
-
1600 MHz
Core clock speed
850 MHz
-
Floating-point performance
2,176 gflops
-
Manufacturing process technology
28 nm
7 nm
Number of transistors
2,800 million
2,400 million
Pipelines / CUDA cores
1280
512
Power consumption (TDP)
100 Watt
15 Watt
Texture fill rate
68.00
51.20
Memory type
GDDR5
LPDDR5
Maximum RAM amount
2 GB
16 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
4800 MHz
5.5 GB/s
Memory bandwidth
153.6 GB/s
88 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x USB Type-C
DirectX
12 (11_1)
12 (12_1)
OpenCL
1.2
2.0
OpenGL
4.6
4.6
Shader Model
5.1
6.5
Vulkan
1.2.131
1.2