Mobility Radeon HD 3650 and Radeon HD 3870 - video card comparison
Mobility Radeon HD 3650
Radeon HD 3870
Architecture
RV6xx (2007−2010)
TeraScale (2005−2013)
GPU code name
M86
RV670
Market segment
Laptop
Desktop
Release date
January 2008
November 2007
Interface
MXM-II
PCIe 2.0 x16
Supplementary power connectors
-
1x 6-pin
Core clock speed
600 MHz
777 MHz
Floating-point performance
120 gflops
497.3 gflops
Manufacturing process technology
55 nm
55 nm
Number of transistors
378 million
666 million
Pipelines / CUDA cores
120
320
Power consumption (TDP)
30 Watt
106 Watt
Texture fill rate
4.000
12.43
Memory type
DDR2/GDDR3/GDDR4
GDDR4
Maximum RAM amount
512 MB
512 MB
Memory bus width
128 Bit
256 Bit
Memory clock speed
700 MHz
2252 MHz
Memory bandwidth
22.4 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
N/A
N/A
OpenGL
3.3
3.3
Shader Model
4.1
4.1
Vulkan
N/A
N/A