Mobility Radeon HD 5145 and Radeon HD 3870 - video card comparison
Mobility Radeon HD 5145
Radeon HD 3870
Architecture
Terascale 1 (2008−2010)
TeraScale (2005−2013)
GPU code name
M92
RV670
Market segment
Laptop
Desktop
Release date
January 2010
November 2007
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
-
1x 6-pin
Core clock speed
720 MHz
777 MHz
Floating-point performance
115.2 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)
15 Watt
106 Watt
Texture fill rate
5.760
12.43
Memory type
DDR3, GDDR3
GDDR4
Maximum RAM amount
1 GB
512 MB
Memory bus width
64 Bit
256 Bit
Memory clock speed
900 MHz
2252 MHz
Memory bandwidth
14.4 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