GeForce GT 550M and Radeon HD 7490M - video card comparison
GeForce GT 550M
Radeon HD 7490M
Architecture
Fermi (2010−2014)
Terascale 2 (2009−2015)
GPU code name
N12P-GT
Seymour XTX
Market segment
Laptop
Laptop
Release date
January 2011
December 2011
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
-
Core clock speed
740 MHz
800 MHz
CUDA cores
96
-
Floating-point performance
284.16 gflops
256.0 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
585 million
370 million
Pipelines / CUDA cores
96
160
Power consumption (TDP)
35 Watt
9 Watt
Texture fill rate
11.8 billion/sec
6.400
Memory type
DDR3
GDDR5
Maximum RAM amount
1536 MB
512 MB
Memory bus width
128 Bit
64 Bit
Memory clock speed
900 MHz
3800 MHz
Memory bandwidth
28.8 GB/s
30.4 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 API
11.2 (11_0)
CUDA
+
-
OpenCL
1.1
1.2
OpenGL
4.5
4.4
Shader Model
5.1
5.0
Vulkan
N/A
N/A
Optimus
+
-