
Radeon R9 M390 and GeForce GT 630 - video card comparison
Radeon R9 M390
GeForce GT 630
Architecture
GCN (2011−2017)
Fermi (2010−2014)
GPU code name
Pitcairn
GF108
Market segment
Laptop
Desktop
Release date
June 2015
May 2012
Bus support
PCIe 3.0
-
Interface
-
PCIe 2.0 x16
Supplementary power connectors
-
None
Core clock speed
-
810 MHz
Floating-point performance
-
311.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
5000 Million
585 million
Pipelines / CUDA cores
1024
96
Power consumption (TDP)
-
65 Watt
Texture fill rate
-
12.96
Memory type
GDDR5
DDR3
Maximum RAM amount
2 GB
2 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
-
1800 MHz
Memory bandwidth
-
28.8 GB/s
Shared memory
-
-
Display Connectors
-
1x DVI, 1x HDMI, 1x VGA
Eyefinity
1
-
HDMI
-
+
DirectX
DirectX® 12
12 (11_0)
CUDA
-
2.1
Mantle
+
-
OpenCL
Not Listed
1.1
OpenGL
4.4
4.6
Shader Model
-
5.1
Vulkan
-
N/A
AppAcceleration
-
-
DualGraphics
1
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
PowerTune
+
-
Switchable graphics
1
-
TrueAudio
-
-
ZeroCore
+
-