Radeon RX 580X Mobile vs RX Vega 56

Primary details

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

Place in the ranking149not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation25.06no data
Power efficiency11.30no data
ArchitectureGCN 5.0 (2017−2020)GCN 4.0 (2016−2020)
GPU code nameVega 10Polaris 20
Market segmentDesktopLaptop
Release date14 August 2017 (7 years ago)11 April 2018 (6 years ago)
Launch price (MSRP)$399 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 cores35842304
Core clock speed1156 MHz1000 MHz
Boost clock speed1471 MHz1077 MHz
Number of transistors12,500 million5,700 million
Manufacturing process technology14 nm14 nm
Power consumption (TDP)210 Watt100 Watt
Texture fill rate329.5155.1
Floating-point processing power10.54 TFLOPS4.963 TFLOPS
ROPs6432
TMUs224144

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 sizeno datalarge
InterfacePCIe 3.0 x16MXM-B (3.0)
Length267 mmno data
Width2-slotno data
Supplementary power connectors2x 8-pinno 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 typeHBM2GDDR5
Maximum RAM amount8 GB8 GB
Memory bus width2048 Bit256 Bit
Memory clock speed800 MHz2000 MHz
Memory bandwidth409.6 GB/s256.0 GB/s
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 Connectors1x HDMI, 3x DisplayPortNo outputs
HDMI+-

API compatibility

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

DirectX12 (12_1)12 (12_0)
Shader Model6.46.4
OpenGL4.64.6
OpenCL2.02.0
Vulkan1.1.1251.2.131

Pros & cons summary


Recency 14 August 2017 11 April 2018
Power consumption (TDP) 210 Watt 100 Watt

RX 580X Mobile has an age advantage of 7 months, and 110% lower power consumption.

We couldn't decide between Radeon RX Vega 56 and Radeon RX 580X Mobile. We've got no test results to judge.

Be aware that Radeon RX Vega 56 is a desktop card while Radeon RX 580X Mobile is a notebook 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 RX Vega 56
Radeon RX Vega 56
AMD Radeon RX 580X Mobile
Radeon RX 580X Mobile

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Community ratings

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


4.3 766 votes

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2.7 10 votes

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Questions & comments

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