Mobility Radeon HD 4570 and Radeon HD 3870 - video card comparison
Mobility Radeon HD 4570
Radeon HD 3870
Architecture
Terascale 1 (2008−2010)
TeraScale (2005−2013)
GPU code name
M92-XT
RV670
Market segment
Laptop
Desktop
Release date
January 2009
November 2007
Interface
MXM-II
PCIe 2.0 x16
Supplementary power connectors
-
1x 6-pin
Core clock speed
680 MHz
777 MHz
Floating-point performance
108.8 gflops
497.3 gflops
Manufacturing process technology
55 nm
55 nm
Number of transistors
242 million
666 million
Pipelines / CUDA cores
80
320
Power consumption (TDP)
-
106 Watt
Texture fill rate
5.440
12.43
Memory type
GDDR3, DDR2, DDR3
GDDR4
Maximum RAM amount
512 MB
512 MB
Memory bus width
64 Bit
256 Bit
Memory clock speed
800 MHz
2252 MHz
Memory bandwidth
12.8 GB/s
72.06 GB/s
Shared memory
-
-
Display Connectors
No outputs
2x DVI, 1x S-Video
DirectX
10.1 (10_1)
10.1 (10_1)
OpenCL
1.1
N/A
OpenGL
3.3
3.3
Shader Model
4.1
4.1
Vulkan
N/A
N/A