Radeon RX 580X Mobile vs RX 550 Mobile

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Primary details

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

Place in the ranking555not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation4.47no data
Power efficiency9.56no data
ArchitectureGCN 4.0 (2016−2020)GCN 4.0 (2016−2020)
GPU code nameLexaPolaris 20
Market segmentLaptopLaptop
Release date2 July 2017 (7 years ago)11 April 2018 (6 years ago)
Launch price (MSRP)$79.99 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 cores6402304
Core clock speed1100 MHz1000 MHz
Boost clock speed1287 MHz1077 MHz
Number of transistors2,200 million5,700 million
Manufacturing process technology14 nm14 nm
Power consumption (TDP)50 Watt100 Watt
Texture fill rate51.48155.1
Floating-point processing power1.647 TFLOPS4.963 TFLOPS
ROPs1632
TMUs40144

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
InterfacePCIe 3.0 x8MXM-B (3.0)

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 amount2 GB8 GB
Memory bus width128 Bit256 Bit
Memory clock speed1500 MHz2000 MHz
Memory bandwidth96 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 ConnectorsNo outputsNo outputs

Supported technologies

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

FreeSync+-

API compatibility

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

DirectX12 (12_0)12 (12_0)
Shader Model6.46.4
OpenGL4.64.6
OpenCL2.02.0
Vulkan1.2.1311.2.131

Pros & cons summary


Recency 2 July 2017 11 April 2018
Maximum RAM amount 2 GB 8 GB
Power consumption (TDP) 50 Watt 100 Watt

RX 550 Mobile has 100% lower power consumption.

RX 580X Mobile, on the other hand, has an age advantage of 9 months, and a 300% higher maximum VRAM amount.

We couldn't decide between Radeon RX 550 Mobile and Radeon RX 580X Mobile. 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.

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AMD Radeon RX 550 Mobile
Radeon RX 550 Mobile
AMD Radeon RX 580X Mobile
Radeon RX 580X Mobile

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.


3.1 35 votes

Rate Radeon RX 550 Mobile on a scale of 1 to 5:

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2.7 10 votes

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

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Questions & comments

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