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AMD Radeon Pro 555X

AMD Radeon Pro 555X

The AMD Radeon Pro 555X is a mobile graphics card based on the small Polaris 21 chip from AMD. It is available in the 15-inch Apple MacBook Pro (Mid 2018 model with Coffee Lake) and is the performance is similar to the old Radeon Pro 455 / 555. The difference is the slightly higher clock rate of 907 MHz versus 855 MHz (+6%) and the bigger graphics memory (4 GB versus 2 GB GDDR5). The Polaris 21 chip is produced in a 14nm FinFET process and is the smaller Polaris chip.

Both the performance and the power consumption are roughly on par with the Nvidia GeForce MX150 (laptop version of the GT 1030), which is also equipped with 2 GB GDDR5-VRAM.

More information about the Polaris architecture is available in our dedicated article. More benchmarks including gaming tests are listed on the dedicated page for the similarly powerful Radeon Pro 555Radeon Pro 455.

Radeon RX 500M Series

Radeon Pro 560 compare 1024 @ 0.91 GHz128 Bit @ 5080 MHz
Radeon Pro 555X 768 @ 0.86 GHz128 Bit @ 5080 MHz
Radeon Pro 555 compare 768 @ 0.86 GHz128 Bit @ 5080 MHz
CodenamePolaris 21
Pipelines768 - unified
Core Speed855 MHz
Memory Speed5080 MHz
Memory Bus Width128 Bit
Memory TypeGDDR5
Max. Amount of Memory4 GB
Shared Memoryno
APIDirectX 12, OpenGL Vulkan
Power Consumption<35 Watt
Transistor Count3 Billion
technology14 nm
FeaturesDisplayPort 1.3 HBR / 1.4 HDR Ready, HDMI 2.0, AMD FreeSync
Notebook Sizelarge
Date of Announcement05.06.2017


- Range of benchmark values for this graphics card
- Average benchmark values for this graphics card
* Smaller numbers mean a higher performance

For more games that might be playable and a list of all games and graphics cards visit our Gaming List

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Notebook reviews with AMD Radeon Pro 555X graphics card

Apple MacBook Pro 15 2018 (2.2 GHz, 555X): Intel Core i7-8750H, 15.60", 1.8 kg
  External Review » Apple MacBook Pro 15 2018 (2.2 GHz, 555X)

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Class 1

Class 2

Radeon PRO W6600M *

Class 3

UHD Graphics 32EUs
UHD Graphics 750

Class 4

Class 5

* Approximate position of the graphics adapter

> Expert Reviews and News on Laptops, Smartphones and Tech Innovations > Benchmarks / Tech > Comparison of Laptop Graphics Cards > AMD Radeon Pro 555X (MBP15 2018 GPU)
Klaus Hinum (Update: 2018-09- 6)