Radeon HD 7970 X2 and Steam Deck GPU - video card comparison
Radeon HD 7970 X2
Steam Deck GPU
Architecture
GCN 1.0 (2012−2020)
RDNA 2.0 (2020−2022)
GPU code name
New Zealand
Van Gogh
Market segment
Desktop
Desktop
Release date
August 2012
February 2022
Interface
PCIe 3.0 x16
-
Supplementary power connectors
3x 8-pin
None
Boost clock speed
-
1600 MHz
Core clock speed
925 MHz
-
Floating-point performance
2x 3,789 gflops
-
Manufacturing process technology
28 nm
7 nm
Number of transistors
4,313 million
2,400 million
Pipelines / CUDA cores
2048
512
Power consumption (TDP)
500 Watt
15 Watt
Texture fill rate
118.4
51.20
Memory type
GDDR5
LPDDR5
Maximum RAM amount
3 GB
16 GB
Memory bus width
384 Bit
128 Bit
Memory clock speed
5500 MHz
5.5 GB/s
Memory bandwidth
264.0 GB/s
88 GB/s
Display Connectors
1x DVI, 4x mini-DisplayPort
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