Radeon HD 6620G and Radeon R6 Graphics - video card comparison
Radeon HD 6620G
Radeon R6 Graphics
Architecture
Terascale 2 (2009−2015)
GCN 2.0 (2013−2017)
GPU code name
Llano
Spectre Lite
Market segment
Laptop
Desktop
Release date
June 2011
September 2014
Interface
IGP
IGP
Boost clock speed
-
600 MHz
Core clock speed
400 MHz
533 MHz
Floating-point performance
-
503.0 gflops
Manufacturing process technology
32 nm
28 nm
Number of transistors
1000 Million
2,410 million
Pipelines / CUDA cores
400
384
Power consumption (TDP)
35 Watt
15 Watt
Texture fill rate
8.880
14.40
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
Shared memory
+
-
Display Connectors
No outputs
No outputs
DirectX
11.2 (11_0)
12 (12_0)
OpenCL
1.2
2.0
OpenGL
4.4
4.6
Shader Model
5.0
6.0
Vulkan
N/A
1.2.131