Radeon R6 M340DX and HD Graphics 620 - video card comparison
Radeon R6 M340DX
HD Graphics 620
Architecture
GCN (2011−2017)
Gen. 9.5 Kaby Lake (2015−2017)
GPU code name
Jet
Kaby-Lake GT2
Market segment
Laptop
Laptop
Release date
June 2015
August 2016
Interface
IGP
PCIe 3.0 x1
Boost clock speed
1030 MHz
1050 MHz
Core clock speed
-
300 MHz
Floating-point performance
-
403.2 gflops
Manufacturing process technology
28 nm
14 nm
Number of transistors
690 million
189 million
Pipelines / CUDA cores
704
24
Power consumption (TDP)
-
15 Watt
Texture fill rate
24.72
25.20
Memory type
DDR3
DDR3L/LPDDR3/LPDDR4
Maximum RAM amount
System Shared
32 GB
Memory bus width
System Shared
64/128 Bit
Memory clock speed
System Shared
System Shared
Shared memory
-
+
Display Connectors
No outputs
No outputs
DirectX
12 (11_1)
12 (12_1)
OpenCL
1.2
2.1
OpenGL
4.6
4.6
Shader Model
5.1
6.4
Vulkan
1.2.131
+
Quick Sync
-
+