
UHD Graphics 620 and GM20B - video card comparison
UHD Graphics 620
GM20B
Architecture
Gen. 9.5 (2017)
Maxwell 2.0 (2015−2019)
GPU code name
Kaby-Lake-Refresh GT2
GM20B
Market segment
Laptop
Desktop
Release date
September 2017
-
Interface
PCIe 3.0 x1
-
Boost clock speed
1150 MHz
-
Core clock speed
300 MHz
-
Manufacturing process technology
14 nm
20 nm
Number of transistors
189 million
2,000 million
Pipelines / CUDA cores
24
256
Power consumption (TDP)
15 Watt
-
Texture fill rate
27.60
-
Memory type
LPDDR3/DDR4
-
Maximum RAM amount
32 GB
-
Memory bus width
System Shared
-
Memory clock speed
System Shared
-
Shared memory
+
-
Display Connectors
No outputs
-
DirectX
12 (12_1)
12 (12_1)
CUDA
-
5.3
OpenCL
2.1
1.2
OpenGL
4.6
4.6
Shader Model
6.4
6.0
Vulkan
1.1.103
1.1
PureVideo HD
-
VP9
Quick Sync
+
-