Mobility Radeon HD 3870 and Radeon HD 5470 - video card comparison
Mobility Radeon HD 3870
Radeon HD 5470
Architecture
RV6xx (2007−2010)
TeraScale 2 (2009−2015)
GPU code name
M88-XT
Cedar
Market segment
Laptop
Desktop
Release date
March 2008
February 2012
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
-
None
Core clock speed
660 MHz
650 MHz
Floating-point performance
422.4 gflops
104.0 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
19 Watt
Texture fill rate
10.56
5.200
Memory type
GDDR3
GDDR3
Maximum RAM amount
512 MB
512 MB
Memory bus width
256 Bit
64 Bit
Memory clock speed
850 MHz
800 MHz
Memory bandwidth
54.4 GB/s
6.4 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x DVI, 1x HDMI, 1x VGA
HDMI
-
+
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