
Iris Plus Graphics 645 and Steam Deck GPU - video card comparison
Iris Plus Graphics 645
Steam Deck GPU
Architecture
Gen. 9.5 Coffee Lake (2019)
RDNA 2.0 (2020−2022)
GPU code name
Kaby Lake GT3e
Van Gogh
Market segment
Laptop
Desktop
Release date
July 2019
February 2022
Interface
PCIe 3.0 x1
-
Supplementary power connectors
-
None
Boost clock speed
1150 MHz
1600 MHz
Core clock speed
300 MHz
-
Manufacturing process technology
14 nm
7 nm
Number of transistors
-
2,400 million
Pipelines / CUDA cores
48
512
Power consumption (TDP)
15 Watt
15 Watt
Texture fill rate
50.40
51.20
Memory type
DDR3, DDR4
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
No outputs
1x USB Type-C
DirectX
12 (12_1)
12 (12_1)
OpenCL
2.1
2.0
OpenGL
4.6
4.6
Shader Model
6.4
6.5
Vulkan
1.1.103
1.2
Quick Sync
+
-