Mobility Radeon HD 3870 and Mobility Radeon HD 5470 - video card comparison
Mobility Radeon HD 3870
Mobility Radeon HD 5470
Architecture
RV6xx (2007−2010)
Terascale 2 (2009−2015)
GPU code name
M88-XT
Park XT
Market segment
Laptop
Laptop
Release date
March 2008
January 2010
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Core clock speed
660 MHz
750 MHz
Floating-point performance
422.4 gflops
120 gflops
Manufacturing process technology
55 nm
40 nm
Number of transistors
666 million
292 million
Pipelines / CUDA cores
320
80
Power consumption (TDP)
55 Watt
13-15 Watt
Texture fill rate
10.56
6.000
Memory type
GDDR3
DDR2, GDDR2, DDR3, GDDR3, GDDR5
Maximum RAM amount
512 MB
512 MB
Memory bus width
256 Bit
64 Bit
Memory clock speed
850 MHz
1800 MHz
Memory bandwidth
54.4 GB/s
25.6 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