UHD Graphics G1 and UHD Graphics G4 - video card comparison
UHD Graphics G1
UHD Graphics G4
Architecture
Generation 11.0 (2019−2020)
Generation 11.0 (2019−2020)
GPU code name
Ice Lake GT1
Lakefield GT1
Market segment
Desktop
Desktop
Release date
May 2019
May 2020
Interface
PCIe 3.0 x1
PCIe 3.0 x1
Boost clock speed
900 MHz
500 MHz
Manufacturing process technology
10 nm
10 nm
Pipelines / CUDA cores
256
384
Power consumption (TDP)
15 Watt
15 Watt
Texture fill rate
14.40
16.00
Memory type
System Shared
System Shared
Maximum RAM amount
System Shared
System Shared
Memory bus width
System Shared
System Shared
Memory clock speed
System Shared
System Shared
Display Connectors
No outputs
No outputs
DirectX
12 (12_1)
12 (12_1)
OpenCL
2.1
2.1
OpenGL
4.6
4.6
Shader Model
6.4
6.4
Vulkan
1.1.97
1.1