Radeon R9 M395X Mac Edition vs RX 580

Primary details

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

Place in the ranking241not rated
Place by popularity1not in top-100
Cost-effectiveness evaluation19.77no data
ArchitectureGCN 4.0 (2016−2020)GCN 3.0 (2014−2019)
GPU code namePolaris 20Amethyst
Market segmentDesktopDesktop
Release date18 April 2017 (7 years ago)5 May 2015 (9 years ago)
Launch price (MSRP)$229 no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

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 cores23042048
Core clock speed1257 MHz909 MHz
Boost clock speed1340 MHzno data
Number of transistors5,700 million5,000 million
Manufacturing process technology14 nm28 nm
Power consumption (TDP)185 Watt250 Watt
Texture fill rate193.0116.4
Floating-point processing power6.175 TFLOPS3.723 TFLOPS
ROPs3232
TMUs144128

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).

InterfacePCIe 3.0 x16MXM-B (3.0)
Length241 mmno data
Width2-slotMXM Module
Supplementary power connectors1x 8-pinNone

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 GB4 GB
Memory bus width256 Bit256 Bit
Memory clock speed2000 MHz1365 MHz
Memory bandwidth256.0 GB/s174.7 GB/s

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 Connectors1x HDMI, 3x DisplayPortNo outputs
HDMI+-

API compatibility

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

DirectX12 (12_0)12 (12_0)
Shader Model6.46.3
OpenGL4.64.6
OpenCL2.02.0
Vulkan1.2.1311.2.131

Pros & cons summary


Recency 18 April 2017 5 May 2015
Maximum RAM amount 8 GB 4 GB
Chip lithography 14 nm 28 nm
Power consumption (TDP) 185 Watt 250 Watt

RX 580 has an age advantage of 1 year, a 100% higher maximum VRAM amount, a 100% more advanced lithography process, and 35.1% lower power consumption.

We couldn't decide between Radeon RX 580 and Radeon R9 M395X Mac Edition. 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 580
Radeon RX 580
AMD Radeon R9 M395X Mac Edition
Radeon R9 M395X Mac Edition

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.


4.1 18106 votes

Rate Radeon RX 580 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3 2 votes

Rate Radeon R9 M395X Mac Edition 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.