Radeon HD 7870 and Steam Deck GPU - video card comparison
Radeon HD 7870
Steam Deck GPU
Architecture
GCN (2011−2017)
RDNA 2.0 (2020−2022)
GPU code name
Pitcairn XT
Van Gogh
Market segment
Desktop
Desktop
Release date
March 2012
February 2022
Interface
PCIe 3.0 x16
-
Supplementary power connectors
2x 6-pin
None
Boost clock speed
-
1600 MHz
Core clock speed
1000 MHz
-
Manufacturing process technology
28 nm
7 nm
Number of transistors
2800 Million
2,400 million
Pipelines / CUDA cores
1280
512
Power consumption (TDP)
175 Watt
15 Watt
Texture fill rate
80.00
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
1x DVI, 1x HDMI, 2x mini-DisplayPort
1x USB Type-C
Eyefinity
+
-
HDMI
+
-
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