GeForce GT 555M and Radeon HD 8550M - video card comparison
GeForce GT 555M
Radeon HD 8550M
Architecture
Fermi (2010−2014)
GCN (2011−2017)
GPU code name
N12E-GE-B
Sun
Market segment
Laptop
Laptop
Release date
January 2011
November 2012
Bus support
PCI Express 2.0
-
Interface
PCIe 2.0 x16
PCIe 3.0 x8
SLI options
+
-
Boost clock speed
753 MHz
850 MHz
Core clock speed
Up to 753 MHz
700 MHz
CUDA cores
Up to 144
-
Floating-point performance
388.8 gflops
544.0 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
1,170 million
690 million
Pipelines / CUDA cores
144
384
Power consumption (TDP)
35 Watt
-
Texture fill rate
Up to 16.2 billion/sec
17.00
Memory type
DDR3\DDR5
DDR3
Maximum RAM amount
3 GB
1 GB
Memory bus width
Up to 192 bit/128 Bit
64 Bit
Memory clock speed
Up to 1569 MHz
1800 MHz
Memory bandwidth
Up to 50.2 GB/s
14.4 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 API
12 (11_1)
CUDA
+
-
OpenCL
1.1
1.2
OpenGL
4.5
4.6
Shader Model
5.1
5.1
Vulkan
N/A
1.2.131
3D Blu-Ray
+
-
3D Gaming
+
-
Optimus
+
-