Radeon R9 M390 and GeForce GTX 485M - video card comparison
Radeon R9 M390
GeForce GTX 485M
Architecture
GCN (2011−2017)
Fermi (2010−2014)
GPU code name
Pitcairn
N12E-GTX-A1
Market segment
Laptop
Laptop
Release date
June 2015
January 2010
Bus support
PCIe 3.0
PCI-E 2.0
Interface
-
MXM-B (3.0)
Supplementary power connectors
-
None
SLI options
-
+
Core clock speed
-
1150 MHz
Floating-point performance
-
883.2 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
5000 Million
1,950 million
Pipelines / CUDA cores
1024
384
Power consumption (TDP)
-
100 Watt
Texture fill rate
-
36.8 billion/sec
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
2 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
-
1500 MHz
Memory bandwidth
-
96.0 GB/s
Shared memory
-
-
Display Connectors
-
No outputs
Eyefinity
1
-
Maximum VGA resolution
-
2048x1536
DirectX
DirectX® 12
12 (11_0)
CUDA
-
+
Mantle
+
-
OpenCL
Not Listed
1.1
OpenGL
4.4
4.5
Shader Model
-
5.1
Vulkan
-
N/A
AppAcceleration
-
-
DualGraphics
1
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
PowerTune
+
-
Switchable graphics
1
-
TrueAudio
-
-
ZeroCore
+
-