Radeon R7 260X and GeForce GT 555M 2 GB - video card comparison
Radeon R7 260X
GeForce GT 555M 2 GB
Architecture
GCN 2.0 (2013−2017)
Fermi 2.0 (2010−2014)
GPU code name
Bonaire
GF116
Market segment
Desktop
Desktop
Release date
October 2013
March 2012
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
1 x 6-pin
None
Boost clock speed
1000 MHz
-
Core clock speed
-
675 MHz
Floating-point performance
1,971 gflops
-
Manufacturing process technology
28 nm
40 nm
Number of transistors
2,080 million
1,170 million
Pipelines / CUDA cores
896
144
Power consumption (TDP)
115 Watt
35 Watt
Texture fill rate
61.60
16.20
Memory type
GDDR5
DDR3
Maximum RAM amount
4 GB
2 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
-
1800 MBps
Memory bandwidth
104 GB/s
28.8 GB/s
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
Portable Device Dependent
Eyefinity
1
-
HDMI
+
-
DisplayPort support
-
-
DirectX
DirectX® 12
12 (11_0)
CUDA
-
2.1
Mantle
-
-
OpenCL
2.0
1.1
OpenGL
4.6
4.6
Shader Model
6.3
5.1
Vulkan
-
N/A
AppAcceleration
-
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-