GeForce GT 555M and Radeon R5 M255 - video card comparison
Passmark - benchmark score GeForce GT 555M vs Radeon R5 M255
GeForce GT 555M
674
Radeon R5 M255
550
GeForce GT 555M
Radeon R5 M255
Architecture
Fermi (2010−2014)
GCN (2011−2017)
GPU code name
N12E-GE-B
Topaz Pro / Sun
Market segment
Laptop
Laptop
Release date
January 2011
May 2014
Bus support
PCI Express 2.0
PCIe 3.0 x8
Interface
PCIe 2.0 x16
PCIe 3.0 x8
SLI options
+
-
Boost clock speed
753 MHz
940 MHz
Compute units
-
5
Core clock speed
Up to 753 MHz
940 MHz
CUDA cores
Up to 144
-
Floating-point performance
388.8 gflops
721.9 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
1,170 million
1,550 million
Pipelines / CUDA cores
144
320
Power consumption (TDP)
35 Watt
-
Texture fill rate
Up to 16.2 billion/sec
22.56
Memory type
DDR3\DDR5
DDR3
Maximum RAM amount
3 GB
4 GB
Memory bus width
Up to 192 bit/128 Bit
64 Bit
Memory clock speed
Up to 1569 MHz
1000 MHz
Memory bandwidth
Up to 50.2 GB/s
16 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
Eyefinity
-
+
DirectX
12 API
DirectX® 11
CUDA
+
-
Mantle
-
+
OpenCL
1.1
Not Listed
OpenGL
4.5
4.4
Shader Model
5.1
6.3
Vulkan
N/A
-
3D Blu-Ray
+
-
3D Gaming
+
-
AppAcceleration
-
+
DualGraphics
-
1
Enduro
-
-
HD3D
-
+
Optimus
+
-
PowerTune
-
+
Switchable graphics
-
1
TrueAudio
-
-
ZeroCore
-
+