
Radeon HD 7970 X2 and Radeon Steam Deck 8CU - video card comparison
Radeon HD 7970 X2
Radeon Steam Deck 8CU
Architecture
GCN 1.0 (2012−2020)
RDNA 2 (2020−2022)
GPU code name
New Zealand
RDNA 2 Sephiroth
Market segment
Desktop
Laptop
Release date
August 2012
November 2023
Interface
PCIe 3.0 x16
-
Supplementary power connectors
3x 8-pin
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Boost clock speed
-
1900 MHz
Core clock speed
925 MHz
-
Floating-point performance
2x 3,789 gflops
-
Manufacturing process technology
28 nm
6 nm
Number of transistors
4,313 million
-
Pipelines / CUDA cores
2048
512
Power consumption (TDP)
500 Watt
-
Texture fill rate
118.4
-
Memory type
GDDR5
-
Maximum RAM amount
3 GB
-
Memory bus width
384 Bit
-
Memory clock speed
5500 MHz
-
Memory bandwidth
264.0 GB/s
-
Shared memory
-
-
Display Connectors
1x DVI, 4x mini-DisplayPort
-
DirectX
12 (11_1)
12_1
OpenCL
1.2
-
OpenGL
4.6
-
Shader Model
5.1
-
Vulkan
1.2.131
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