Radeon RX 460 Mobile and Radeon R9 M390 - video card comparison
Radeon RX 460 Mobile
Radeon R9 M390
Architecture
Polaris (2016−2019)
GCN (2011−2017)
GPU code name
Polaris 11 / Baffin XT
Pitcairn
Market segment
Laptop
Laptop
Release date
August 2016
June 2015
Bus support
-
PCIe 3.0
Interface
MXM-B (3.0)
-
Boost clock speed
1180 MHz
-
Floating-point performance
2,115 gflops
-
Manufacturing process technology
14 nm
28 nm
Number of transistors
3,000 million
5000 Million
Pipelines / CUDA cores
896
1024
Power consumption (TDP)
75 Watt
-
Texture fill rate
66.08
-
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
2 GB
Memory bus width
128 Bit
256 Bit
Memory clock speed
6000 MHz
-
Memory bandwidth
80 GB/s
-
Shared memory
-
-
Display Connectors
No outputs
-
Eyefinity
-
1
DirectX
12 (12_0)
DirectX® 12
Mantle
-
+
OpenCL
2.0
Not Listed
OpenGL
4.6
4.4
Shader Model
6.4
-
Vulkan
1.2.131
-
AppAcceleration
-
-
DualGraphics
-
1
Enduro
-
-
FreeSync
+
1
HD3D
-
+
PowerTune
-
+
Switchable graphics
-
1
TrueAudio
-
-
ZeroCore
-
+