Mobility Radeon HD 3850 and Radeon HD 7550M - video card comparison
Mobility Radeon HD 3850
Radeon HD 7550M
Architecture
RV6xx (2007−2010)
Terascale 2 (2009−2015)
GPU code name
M88
Thames-LP / Pro
Market segment
Laptop
Laptop
Release date
December 2007
January 2012
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Boost clock speed
-
550 MHz
Core clock speed
580 MHz
450 MHz
Floating-point performance
371.2 gflops
480.0 gflops
Manufacturing process technology
55 nm
40 nm
Number of transistors
666 million
716 million
Pipelines / CUDA cores
320
400
Power consumption (TDP)
55 Watt
14 Watt
Texture fill rate
9.280
12.00
Memory type
GDDR3
GDDR5 / DDR3
Maximum RAM amount
512 MB
1 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
750 MHz
3200 / 1800 MHz
Memory bandwidth
48 GB/s
28.8 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