AMD Radeon R9 M390X: specs and benchmarks

AMD Radeon R9 M390X

Summary

AMD started Radeon R9 M390X sales 5 May 2015. This is GCN 3.0 architecture notebook card based on 28 nm manufacturing process and primarily aimed at gamers. 4 GB of GDDR5 memory clocked at are supplied, and together with 256 Bit memory interface this creates a bandwidth of 160.0 GB/s.

Compatibility-wise, this is card attached via PCIe 3.0 x16 interface. Power consumption is at 75 Watt.

It provides poor gaming and benchmark performance at 22.73 percent of a leader's which is NVIDIA TITAN V.

General info

Of Radeon R9 M390X's architecture, market type and release date.
Place in performance rating
 
Architecture
GCN 3.0
 
Code name
Amethyst
 
Type
Laptop
 
Release date
5 May 2015
 

Technical specs

Radeon R9 M390X's general performance parameters such as number of shaders, GPU core clock, manufacturing process, texturing and calculation speed. These parameters indirectly speak of Radeon R9 M390X's performance, but for precise assessment you have to consider its benchmark and gaming test results.
Pipelines
2048
 
of 8192 (Radeon Pro Duo)
Core clock speed
723 MHz
 
Transistor count
5,000 million
 
of 21100
Manufacturing process technology
28 nm
 
Power consumption (TDP)
75 Watt
 
of 900 (Tesla S2050)
Texture fill rate
92.54
 
of 512 (Radeon Pro Duo)
Floating-point performance
2,961 gflops
 
of 16384 (Radeon Pro Duo)

Compatibility, dimensions and requirements

Information on Radeon R9 M390X's compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For notebook video cards it's notebook size, connection slot and bus, if the video card is inserted into a slot instead of being soldered to the notebook motherboard.
Laptop size
large
 
Bus support
PCIe 3.0
 
Interface
PCIe 3.0 x16
 
Supplementary power connectors
None
 

Memory specs

Parameters of memory installed on Radeon R9 M390X: its type, size, bus, clock and resulting bandwidth. Note that GPUs integrated into processors don't have dedicated memory and use a shared part of system RAM.
Memory type
GDDR5
 
Maximum RAM amount
4 GB
 
of 32
Memory bus width
256 Bit
 
of 8192 (Radeon Pro Duo)
Memory bandwidth
160.0 GB/s
 
of 1024 (Radeon Pro Duo)
Shared memory
-
 

Video outputs and ports

Types and number of video connectors present on Radeon R9 M390X.
Display Connectors
No outputs
 
Eyefinity
+
 

Technologies

Technological solutions and APIs supported by Radeon R9 M390X. You'll probably need this information if you need some particular technology for your purposes.
FreeSync
+
 
HD3D
+
 
PowerTune
+
 
DualGraphics
+
 
ZeroCore
+
 
Switchable graphics
+
 

API support

APIs supported by Radeon R9 M390X, sometimes including their particular versions.
DirectX
DirectX® 12
 
OpenGL
4.4
 
of 4.6
OpenCL
Not Listed
 
Vulkan
+
 
Mantle
+
 

Video card benchmarks performance

Non-gaming benchmarks performance of Radeon R9 M390X. Note that overall benchmark performance is measured in points in 0-100 range.
Overall benchmark performance
22.90
 
 
3DMark 11 Performance GPU
9448
 
Passmark
4356
 

Relative perfomance

Overall Radeon R9 M390X performance compared to its nearest competitors. All GPU types participate.

NVIDIA equivalent

We believe that the nearest equivalent to Radeon R9 M390X from NVIDIA is GeForce GTX 860M SLI, which is slower by 1% and lower by 6 positions in our rating.

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