Mobility Radeon HD 3850 and GeForce GT 550M - video card comparison
Mobility Radeon HD 3850
GeForce GT 550M
Architecture
RV6xx (2007−2010)
Fermi (2010−2014)
GPU code name
M88
N12P-GT
Market segment
Laptop
Laptop
Release date
December 2007
January 2011
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
-
None
Core clock speed
580 MHz
740 MHz
CUDA cores
-
96
Floating-point performance
371.2 gflops
284.16 gflops
Manufacturing process technology
55 nm
40 nm
Number of transistors
666 million
585 million
Pipelines / CUDA cores
320
96
Power consumption (TDP)
55 Watt
35 Watt
Texture fill rate
9.280
11.8 billion/sec
Memory type
GDDR3
DDR3
Maximum RAM amount
512 MB
1536 MB
Memory bus width
256 Bit
128 Bit
Memory clock speed
750 MHz
900 MHz
Memory bandwidth
48 GB/s
28.8 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
10.1 (10_1)
12 API
CUDA
-
+
OpenCL
N/A
1.1
OpenGL
3.3
4.5
Shader Model
4.1
5.1
Vulkan
N/A
N/A
Optimus
-
+