UHD Graphics 620 and Radeon R6 M340DX - video card comparison
UHD Graphics 620
Radeon R6 M340DX
Architecture
Gen. 9.5 (2017)
GCN (2011−2017)
GPU code name
Kaby-Lake-Refresh GT2
Jet
Market segment
Laptop
Laptop
Release date
September 2017
June 2015
Interface
PCIe 3.0 x1
IGP
Boost clock speed
1150 MHz
1030 MHz
Core clock speed
300 MHz
-
Manufacturing process technology
14 nm
28 nm
Number of transistors
189 million
690 million
Pipelines / CUDA cores
24
704
Power consumption (TDP)
15 Watt
-
Texture fill rate
27.60
24.72
Memory type
LPDDR3/DDR4
DDR3
Maximum RAM amount
32 GB
System Shared
Memory bus width
System Shared
System Shared
Memory clock speed
System Shared
System Shared
Shared memory
+
-
Display Connectors
No outputs
No outputs
DirectX
12 (12_1)
12 (11_1)
OpenCL
2.1
1.2
OpenGL
4.6
4.6
Shader Model
6.4
5.1
Vulkan
1.1.103
1.2.131
Quick Sync
+
-