Radeon R7 250 and GeForce GT 555M - video card comparison
Passmark - benchmark score Radeon R7 250 vs GeForce GT 555M
Radeon R7 250
1100
GeForce GT 555M
674
Radeon R7 250
GeForce GT 555M
Architecture
GCN (2011−2017)
Fermi (2010−2014)
GPU code name
Oland XT
N12E-GE-B
Market segment
Desktop
Laptop
Release date
October 2013
January 2011
Bus support
PCIe 3.0
PCI Express 2.0
Interface
PCIe 3.0 x8
PCIe 2.0 x16
Supplementary power connectors
N/A
-
SLI options
-
+
Boost clock speed
1050 MHz
753 MHz
Core clock speed
-
Up to 753 MHz
CUDA cores
-
Up to 144
Floating-point performance
716.8 gflops
388.8 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
950 million
1,170 million
Pipelines / CUDA cores
384
144
Power consumption (TDP)
75 Watt
35 Watt
Texture fill rate
25.20
Up to 16.2 billion/sec
Memory type
DDR3, GDDR5
DDR3\DDR5
Maximum RAM amount
2 GB
3 GB
Memory bus width
128 Bit
Up to 192 bit/128 Bit
Memory clock speed
1150 MHz
Up to 1569 MHz
Memory bandwidth
72 GB/s
Up to 50.2 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x VGA
No outputs
HDMI
+
-
DisplayPort support
-
-
DirectX
DirectX® 12
12 API
CUDA
-
+
Mantle
-
-
OpenCL
1.2
1.1
OpenGL
4.6
4.5
Shader Model
5.1
5.1
Vulkan
-
N/A
3D Blu-Ray
-
+
3D Gaming
-
+
AppAcceleration
+
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
-
-
Optimus
-
+
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-