Mobility Radeon HD 3870 and Radeon HD 6570M - video card comparison
Mobility Radeon HD 3870
Radeon HD 6570M
Architecture
RV6xx (2007−2010)
Terascale 2 (2009−2015)
GPU code name
M88-XT
Capilano
Market segment
Laptop
Laptop
Release date
March 2008
November 2010
Interface
PCIe 2.0 x16
MXM-II
Core clock speed
660 MHz
650 MHz
Floating-point performance
422.4 gflops
520.0 gflops
Manufacturing process technology
55 nm
40 nm
Number of transistors
666 million
627 million
Pipelines / CUDA cores
320
400
Power consumption (TDP)
55 Watt
30 Watt
Texture fill rate
10.56
13.00
Memory type
GDDR3
DDR3, GDDR5
Maximum RAM amount
512 MB
1 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
850 MHz
900 MHz
Memory bandwidth
54.4 GB/s
57.6 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
10.1 (10_1)
11.2 (11_0)
OpenCL
N/A
1.2
OpenGL
3.3
4.4
Shader Model
4.1
5.0
Vulkan
N/A
N/A