GeForce GT 550M and Radeon 660M - video card comparison
Passmark - benchmark score GeForce GT 550M vs Radeon 660M
GeForce GT 550M
590
Radeon 660M
6474
GeForce GT 550M
Radeon 660M
Architecture
Fermi (2010−2014)
RDNA 2 (2020−2022)
GPU code name
N12P-GT
RDNA 2 Rembrandt
Market segment
Laptop
Laptop
Release date
January 2011
January 2022
Interface
PCIe 2.0 x16
PCIe 4.0 x8
Supplementary power connectors
None
None
Boost clock speed
-
1900 MHz
Core clock speed
740 MHz
-
CUDA cores
96
-
Floating-point performance
284.16 gflops
-
Manufacturing process technology
40 nm
6 nm
Number of transistors
585 million
13,100 million
Pipelines / CUDA cores
96
384
Power consumption (TDP)
35 Watt
45 Watt
Texture fill rate
11.8 billion/sec
45.60
Memory type
DDR3
System Shared
Maximum RAM amount
1536 MB
System Shared
Memory bus width
128 Bit
System Shared
Memory clock speed
900 MHz
System Shared
Memory bandwidth
28.8 GB/s
-
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 API
12 (12_1)
CUDA
+
-
OpenCL
1.1
2.0
OpenGL
4.5
4.6
Shader Model
5.1
6.5
Vulkan
N/A
1.2
Optimus
+
-