Radeon RX 580G vs R9 M275

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Primary details

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

Place in performance ranking750not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.12no data
ArchitectureGCN (2011−2017)GCN 4.0 (2016−2020)
GPU code nameVenusPolaris 20
Market segmentLaptopDesktop
Release date1 August 2014 (9 years ago)15 October 2018 (5 years ago)
Launch price (MSRP)$799.99 no data
Current price$912 (1.1x MSRP)$330

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

Detailed specifications

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores6402304
Core clock speed925 MHz1257 MHz
Boost clock speed925 MHz1330 MHz
Number of transistors1,500 million5,700 million
Manufacturing process technology28 nm14 nm
Power consumption (TDP)no data185 Watt
Texture fill rate37.00191.5
Floating-point performance1,184 gflopsno data

Form factor & compatibility

Information on Radeon R9 M275 and Radeon RX 580G compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop video cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility). 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 sizelargeno data
InterfacePCIe 3.0 x16PCIe 3.0 x16
Lengthno data241 mm
Widthno data2-slot
Supplementary power connectorsno data1x 8-pin

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 amount4 GB8 GB
Memory bus width128 Bit256 Bit
Memory clock speed4500 MHz8000 MHz
Memory bandwidth64 GB/s256.0 GB/s
Shared memory-no data

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 outputs1x HDMI, 3x DisplayPort
HDMIno data+

API compatibility

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

DirectX12 (11_1)12 (12_0)
Shader Model5.16.4
OpenGL4.64.6
OpenCL1.22.0
Vulkan1.2.1311.2.131

Pros & cons summary


Recency 1 August 2014 15 October 2018
Maximum RAM amount 4 GB 8 GB
Chip lithography 28 nm 14 nm

We couldn't decide between Radeon R9 M275 and Radeon RX 580G. We've got no test results to judge.

Be aware that Radeon R9 M275 is a notebook card while Radeon RX 580G is a desktop one.


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

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AMD Radeon R9 M275
Radeon R9 M275
AMD Radeon RX 580G
Radeon RX 580G

Comparisons with similar GPUs

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Community ratings

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


3.5 4 votes

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3.9 23 votes

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

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Questions & comments

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