GeForce GT 550M and Mobility Radeon HD 4670 - video card comparison
GeForce GT 550M
Mobility Radeon HD 4670
Architecture
Fermi (2010−2014)
Terascale 1 (2008−2010)
GPU code name
N12P-GT
M96-XT
Market segment
Laptop
Laptop
Release date
January 2011
January 2009
Interface
PCIe 2.0 x16
MXM-A (3.0)
Supplementary power connectors
None
-
Core clock speed
740 MHz
675 MHz
CUDA cores
96
-
Floating-point performance
284.16 gflops
432.0 gflops
Manufacturing process technology
40 nm
55 nm
Number of transistors
585 million
514 million
Pipelines / CUDA cores
96
320
Power consumption (TDP)
35 Watt
35 Watt
Texture fill rate
11.8 billion/sec
21.60
Memory type
DDR3
GDDR3, DDR2, DDR3
Maximum RAM amount
1536 MB
512 MB
Memory bus width
128 Bit
128 Bit
Memory clock speed
900 MHz
800 MHz
Memory bandwidth
28.8 GB/s
25.6 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 API
10.1 (10_1)
CUDA
+
-
OpenCL
1.1
1.1
OpenGL
4.5
3.3
Shader Model
5.1
4.1
Vulkan
N/A
N/A
Optimus
+
-