Radeon R9 M265X and GeForce GT 555M - video card comparison
Passmark - benchmark score Radeon R9 M265X vs GeForce GT 555M
Radeon R9 M265X
1172
GeForce GT 555M
674
Radeon R9 M265X
GeForce GT 555M
Architecture
GCN (2011−2017)
Fermi (2010−2014)
GPU code name
Venus Pro
N12E-GE-B
Market segment
Laptop
Laptop
Release date
January 2014
January 2011
Bus support
PCIe 3.0 x16
PCI Express 2.0
Interface
PCIe 3.0 x16
PCIe 2.0 x16
SLI options
-
+
Boost clock speed
625 MHz
753 MHz
Compute units
10
-
Core clock speed
625 MHz
Up to 753 MHz
CUDA cores
-
Up to 144
Floating-point performance
800.0 gflops
388.8 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
1,500 million
1,170 million
Pipelines / CUDA cores
640
144
Power consumption (TDP)
-
35 Watt
Texture fill rate
25.00
Up to 16.2 billion/sec
Memory type
GDDR5
DDR3\DDR5
Maximum RAM amount
4 GB
3 GB
Memory bus width
128 Bit
Up to 192 bit/128 Bit
Memory clock speed
1125 MHz
Up to 1569 MHz
Memory bandwidth
72 GB/s
Up to 50.2 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
Eyefinity
1
-
DirectX
DirectX® 11
12 API
CUDA
-
+
Mantle
+
-
OpenCL
Not Listed
1.1
OpenGL
4.4
4.5
Shader Model
5.1
5.1
Vulkan
-
N/A
3D Blu-Ray
-
+
3D Gaming
-
+
AppAcceleration
-
-
DualGraphics
1
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
Optimus
-
+
PowerTune
+
-
Switchable graphics
1
-
TrueAudio
-
-
ZeroCore
+
-