Radeon HD 6620G and Radeon X1800 XT - video card comparison
Radeon HD 6620G
Radeon X1800 XT
Architecture
Terascale 2 (2009−2015)
R500 (2005−2007)
GPU code name
Llano
R520
Market segment
Laptop
Desktop
Release date
June 2011
October 2005
Interface
IGP
PCIe 1.0 x16
Supplementary power connectors
-
1x 6-pin
Core clock speed
400 MHz
600 MHz
Manufacturing process technology
32 nm
90 nm
Number of transistors
1000 Million
321 million
Pipelines / CUDA cores
400
-
Power consumption (TDP)
35 Watt
113 Watt
Texture fill rate
8.880
9.600
Memory type
System Shared
GDDR3
Maximum RAM amount
System Shared
512 MB
Memory bus width
System Shared
256 Bit
Memory clock speed
System Shared
1400 MHz
Memory bandwidth
-
44.8 GB/s
Shared memory
+
-
Display Connectors
No outputs
2x DVI, 1x S-Video
DirectX
11.2 (11_0)
9.0c (9_3)
OpenCL
1.2
N/A
OpenGL
4.4
2.0
Shader Model
5.0
3.0
Vulkan
N/A
N/A