Radeon HD 6620G and UHD Graphics 770 Mobile - video card comparison
Radeon HD 6620G
UHD Graphics 770 Mobile
Architecture
Terascale 2 (2009−2015)
Generation 12.2 (2021−2022)
GPU code name
Llano
Raptor Lake GT1
Market segment
Laptop
Laptop
Release date
June 2011
January 2023
Interface
IGP
Ring Bus
Boost clock speed
-
1600 MHz
Core clock speed
400 MHz
-
Manufacturing process technology
32 nm
10 nm
Number of transistors
1000 Million
-
Pipelines / CUDA cores
400
256
Power consumption (TDP)
35 Watt
15 Watt
Texture fill rate
8.880
25.60
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
Portable Device Dependent
DirectX
11.2 (11_0)
12 (12_1)
OpenCL
1.2
3.0
OpenGL
4.4
4.6
Shader Model
5.0
6.6
Vulkan
N/A
1.3