AMD Radeon Pro 555 vs AMD Radeon Pro 555X
AMD Radeon Pro 555
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The AMD Radeon Pro 555 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 2017 model with Kaby Lake) and is the performance is similar to the Radeon Pro 455 in the mid-tier MBP15 from 2016. The Polaris 21 chip is produced in a 14nm FinFET process and is the smaller Polaris chip. With a core clock of 855 MHz and 768 shaders, the Radeon Pro 555 offers the same specs as the previous Radeon Pro 455.
The Radeon Pro 555 is shipped with just 2 GB GDDR5 video memory, which could be insufficient for games. 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 455.
AMD Radeon Pro 555X
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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 555 / Radeon Pro 455.
AMD Radeon Pro 555 | AMD Radeon Pro 555X | |||||||||||||||||||
Radeon RX 500M Series |
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Codename | Polaris 21 | Polaris 21 | ||||||||||||||||||
Architecture | Polaris | Polaris | ||||||||||||||||||
Pipelines | 768 - unified | 768 - unified | ||||||||||||||||||
Core Speed | 855 MHz | 855 MHz | ||||||||||||||||||
Memory Speed | 5080 MHz | 5080 MHz | ||||||||||||||||||
Memory Bus Width | 128 Bit | 128 Bit | ||||||||||||||||||
Memory Type | GDDR5 | GDDR5 | ||||||||||||||||||
Max. Amount of Memory | 2048 MB | 4 GB | ||||||||||||||||||
Shared Memory | no | no | ||||||||||||||||||
API | DirectX 12, OpenGL Vulkan | DirectX 12, OpenGL Vulkan | ||||||||||||||||||
Power Consumption | <35 Watt | <35 Watt | ||||||||||||||||||
Transistors | 3 Billion | 3 Billion | ||||||||||||||||||
technology | 14 nm | 14 nm | ||||||||||||||||||
Features | DisplayPort 1.3 HBR / 1.4 HDR Ready, HDMI 2.0, AMD FreeSync | DisplayPort 1.3 HBR / 1.4 HDR Ready, HDMI 2.0, AMD FreeSync | ||||||||||||||||||
Notebook Size | large | large | ||||||||||||||||||
Date of Announcement | 05.06.2017 | 05.06.2017 |
Benchmarks
specvp12 sw-03 + AMD Radeon Pro 555
Cinebench R15 OpenGL 64 Bit + AMD Radeon Pro 555
Average Benchmarks AMD Radeon Pro 555 → 0% n=0

* Smaller numbers mean a higher performance
1 This benchmark is not used for the average calculation
Game Benchmarks
The following benchmarks stem from our benchmarks of review laptops. The performance depends on the used graphics memory, clock rate, processor, system settings, drivers, and operating systems. So the results don't have to be representative for all laptops with this GPU. For detailed information on the benchmark results, click on the fps number.

Forza Horizon 4
2018
F1 2018
2018
The Crew 2
2018
Far Cry 5
2018
X-Plane 11.11
2018
Fortnite
2018
Call of Duty WWII
2017
Ark Survival Evolved
2017
F1 2017
2017
Team Fortress 2
2017
Dirt 4
2017
Rocket League
2017
Prey
2017
For Honor
2017
Resident Evil 7
2017
Watch Dogs 2
2016
Dishonored 2
2016
Titanfall 2
2016
Farming Simulator 17
2016
Battlefield 1
2016
Civilization 6
2016
Overwatch
2016
The Division
2016
Far Cry Primal
2016
Rainbow Six Siege
2015
Dota 2 Reborn
2015
The Witcher 3
2015
GTA V
2015
BioShock Infinite
2013Average Gaming AMD Radeon Pro 555 → 100%
Average Gaming 30-70 fps → 100%
For more games that might be playable and a list of all games and graphics cards visit our Gaming List