Radeon HD 4250 and Mobility Radeon HD 4570 - video card comparison
Radeon HD 4250
Mobility Radeon HD 4570
Architecture
RV6xx (2007−2010)
Terascale 1 (2008−2010)
GPU code name
RS880M
M92-XT
Market segment
Laptop
Laptop
Release date
May 2010
January 2009
Interface
PCIe 2.0 x16
MXM-II
Supplementary power connectors
None
-
Core clock speed
500 MHz
680 MHz
Floating-point performance
47.52 gflops
108.8 gflops
Manufacturing process technology
55 nm
55 nm
Number of transistors
181 million
242 million
Pipelines / CUDA cores
40
80
Power consumption (TDP)
25 Watt
-
Texture fill rate
2.376
5.440
Memory type
DDR2
GDDR3, DDR2, DDR3
Maximum RAM amount
512 MB
512 MB
Memory bus width
64 Bit
64 Bit
Memory clock speed
792 MHz
800 MHz
Memory bandwidth
6.336 GB/s
12.8 GB/s
Shared memory
+
-
Display Connectors
1x DVI, 1x VGA, 1x S-Video
No outputs
DirectX
10.1 (10_1)
10.1 (10_1)
OpenCL
N/A
1.1
OpenGL
3.3
3.3
Shader Model
4.1
4.1
Vulkan
N/A
N/A