
Radeon R7 250 OEM and Radeon R9 M395X Mac Edition - video card comparison
Radeon R7 250 OEM
Radeon R9 M395X Mac Edition
Architecture
GCN 1.0 (2012−2020)
GCN 3.0 (2014−2017)
GPU code name
Oland
Amethyst
Market segment
Desktop
Desktop
Release date
October 2013
May 2015
Interface
PCIe 3.0 x8
MXM-B (3.0)
Supplementary power connectors
None
None
Boost clock speed
1050 MHz
-
Core clock speed
1000 MHz
909 MHz
Floating-point performance
806.4 gflops
3,723 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
950 million
5,000 million
Pipelines / CUDA cores
384
2048
Power consumption (TDP)
65 Watt
250 Watt
Texture fill rate
25.20
116.4
Memory type
DDR3
GDDR5
Maximum RAM amount
2 GB
4 GB
Memory bus width
128 Bit
256 Bit
Memory clock speed
2000 MHz
5460 MHz
Memory bandwidth
32 GB/s
174.7 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x VGA
No outputs
HDMI
+
-
DirectX
12 (11_1)
12 (12_0)
OpenCL
1.2
2.0
OpenGL
4.6
4.6
Shader Model
5.1
6.3
Vulkan
1.2.131
1.2.131