GeForce GT 555M and Radeon R7 Graphics - video card comparison
GeForce GT 555M
Radeon R7 Graphics
Architecture
Fermi (2010−2014)
GCN 2.0 (2013−2017)
GPU code name
N12E-GE-B
Spectre
Market segment
Laptop
Desktop
Release date
January 2011
January 2014
Bus support
PCI Express 2.0
-
Interface
PCIe 2.0 x16
IGP
SLI options
+
-
Boost clock speed
753 MHz
980 MHz
Core clock speed
Up to 753 MHz
686 MHz
CUDA cores
Up to 144
-
Floating-point performance
388.8 gflops
526.8 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
1,170 million
2,410 million
Pipelines / CUDA cores
144
512
Power consumption (TDP)
35 Watt
15 Watt
Texture fill rate
Up to 16.2 billion/sec
31.36
Memory type
DDR3\DDR5
System Shared
Maximum RAM amount
3 GB
System Shared
Memory bus width
Up to 192 bit/128 Bit
System Shared
Memory clock speed
Up to 1569 MHz
System Shared
Memory bandwidth
Up to 50.2 GB/s
-
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 API
12 (12_0)
CUDA
+
-
OpenCL
1.1
2.0
OpenGL
4.5
4.6
Shader Model
5.1
6.0
Vulkan
N/A
1.2.131
3D Blu-Ray
+
-
3D Gaming
+
-
Optimus
+
-