Radeon R9 M390 vs RX 480 Mobile

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the rankingnot rated444
Place by popularitynot in top-100not in top-100
ArchitectureGCN 4.0 (2016−2020)GCN (2012−2015)
GPU code nameEllesmerePitcairn
Market segmentLaptopLaptop
Release date4 August 2016 (8 years ago)9 June 2015 (9 years ago)
Launch price (MSRP)$450 no data

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores23041024
Core clock speed1000 MHzno data
Boost clock speed1077 MHzno data
Number of transistors5,700 million5000 Million
Manufacturing process technology14 nm28 nm
Power consumption (TDP)100 Wattno data
Texture fill rate155.1no data
Floating-point processing power4.963 TFLOPSno data
ROPs32no data
TMUs144no data

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

Laptop sizelargelarge
Bus supportno dataPCIe 3.0
InterfaceMXM-B (3.0)no data

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory typeGDDR5GDDR5
Maximum RAM amount8 GB2 GB
Memory bus width256 Bit256 Bit
Memory clock speed2000 MHzno data
Memory bandwidth256.0 GB/sno data
Shared memory--

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display ConnectorsNo outputsno data
Eyefinity-+

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

FreeSync-+
HD3D-+
PowerTune-+
DualGraphics-+
ZeroCore-+
Switchable graphics-+

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX12 (12_0)DirectX® 12
Shader Model6.4no data
OpenGL4.64.4
OpenCL2.0Not Listed
Vulkan1.2.131-
Mantle-+

Pros & cons summary


Recency 4 August 2016 9 June 2015
Maximum RAM amount 8 GB 2 GB
Chip lithography 14 nm 28 nm

RX 480 Mobile has an age advantage of 1 year, a 300% higher maximum VRAM amount, and a 100% more advanced lithography process.

We couldn't decide between Radeon RX 480 Mobile and Radeon R9 M390. We've got no test results to judge.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.


AMD Radeon RX 480 Mobile
Radeon RX 480 Mobile
AMD Radeon R9 M390
Radeon R9 M390

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


3.3 20 votes

Rate Radeon RX 480 Mobile on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.2 13 votes

Rate Radeon R9 M390 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.