Mobility Radeon HD 3870 and Mobility Radeon HD 5650 - video card comparison
Mobility Radeon HD 3870
Mobility Radeon HD 5650
Architecture
RV6xx (2007−2010)
Terascale 2 (2009−2015)
GPU code name
M88-XT
Madison Pro
Market segment
Laptop
Laptop
Release date
March 2008
January 2010
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Boost clock speed
-
650 MHz
Core clock speed
660 MHz
450 MHz
Floating-point performance
422.4 gflops
360.0 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
15-19 Watt
Texture fill rate
10.56
9.000
Memory type
GDDR3
GDDR3, DDR3
Maximum RAM amount
512 MB
1 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
850 MHz
800 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