Radeon R7 250 and GeForce GTX 950M Mac Edition - video card comparison
Radeon R7 250
GeForce GTX 950M Mac Edition
Architecture
GCN (2011−2017)
Maxwell (2014−2018)
GPU code name
Oland XT
GM107
Market segment
Desktop
Desktop
Release date
October 2013
March 2015
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x8
MXM-B (3.0)
Supplementary power connectors
N/A
-
Boost clock speed
1050 MHz
1124 MHz
Core clock speed
-
993 MHz
Floating-point performance
716.8 gflops
1,271 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
950 million
1,870 million
Pipelines / CUDA cores
384
640
Power consumption (TDP)
75 Watt
75 Watt
Texture fill rate
25.20
44.96
Memory type
DDR3, GDDR5
DDR3
Maximum RAM amount
2 GB
2 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1150 MHz
1800 MHz
Memory bandwidth
72 GB/s
28.8 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x VGA
No outputs
HDMI
+
-
DisplayPort support
-
-
DirectX
DirectX® 12
12 (11_0)
CUDA
-
5.0
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
5.1
Vulkan
-
1.1.126
AppAcceleration
+
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-