Radeon HD 6620G and Radeon HD 4250 - video card comparison
Passmark - benchmark score Radeon HD 6620G vs Radeon HD 4250
Radeon HD 6620G
351
Radeon HD 4250
126
Radeon HD 6620G
Radeon HD 4250
Architecture
Terascale 2 (2009−2015)
RV6xx (2007−2010)
GPU code name
Llano
RS880M
Market segment
Laptop
Laptop
Release date
June 2011
May 2010
Interface
IGP
PCIe 2.0 x16
Supplementary power connectors
-
None
Core clock speed
400 MHz
500 MHz
Floating-point performance
-
47.52 gflops
Manufacturing process technology
32 nm
55 nm
Number of transistors
1000 Million
181 million
Pipelines / CUDA cores
400
40
Power consumption (TDP)
35 Watt
25 Watt
Texture fill rate
8.880
2.376
Memory type
System Shared
DDR2
Maximum RAM amount
System Shared
512 MB
Memory bus width
System Shared
64 Bit
Memory clock speed
System Shared
792 MHz
Memory bandwidth
-
6.336 GB/s
Shared memory
+
+
Display Connectors
No outputs
1x DVI, 1x VGA, 1x S-Video
DirectX
11.2 (11_0)
10.1 (10_1)
OpenCL
1.2
N/A
OpenGL
4.4
3.3
Shader Model
5.0
4.1
Vulkan
N/A
N/A