Feex·GPU
AMD · Radeon Pro

AMD Radeon Pro 555X

The AMD Radeon Pro 555X is a workstation graphics card released on July 16, 2018, built on the GCN architecture using a 14 nm process. It has 768 shading units, 4 GB of GDDR5 memory on a 128-bit bus, 94.1 GB/s of memory bandwidth, a boost clock of 907 MHz and a 50 W board power rating.

GCNPolaris2114 nmWorkstation
8/10 key specs recorded · 19 facts

Depth: 17 recorded fields

Specification data last verified October 1, 2026 against Wikipedia and Wikipedia GPU list tables (wikigrid-2026-09). Coverage: 8 of 10 tracked specifications recorded.

WikipediaWikipedia GPU list tables (wikigrid-2026-09)
Shading units
768cores
12 compute units
Memory
4 GB
GDDR5 · 128-bit
Boost clock
n/a
907 MHz base
Board power
50 W

Graphics processor

Architecture GCN
Codename Polaris21
Chip Not recorded
Process node 14 nm
Transistors 3,000 M
Die size 123 mm²

The AMD Radeon Pro 555X is based on the GCN architecture, uses the Polaris21 graphics processor, is manufactured on a 14 nm process, contains 3,000 million transistors and has a die size of 123 mm².

Shader configuration

Shading units 768
Compute units 12
Streaming multiprocessors Not recorded
Execution units Not recorded
Texture units (TMUs) 48
Render output units (ROPs) 16
Ray tracing cores Not recorded
Tensor / AI cores Not recorded
XMX engines Not recorded
Infinity cache Not recorded

The AMD Radeon Pro 555X has 768 shading units, 12 compute units, 48 texture mapping units and 16 render output units.

The AMD Radeon Pro 555X does not use XMX engines; those are specific to Intel Arc graphics. Feex has no recorded ray tracing core count for the AMD Radeon Pro 555X.

Clock speeds

Base clock 907 MHz
Boost clock Not recorded
Game clock Not recorded
Memory clock Not recorded
Effective memory clock Not recorded

The AMD Radeon Pro 555X runs at a base clock of 907 MHz.

Memory

Size 4 GB
Type GDDR5
Bus width 128-bit
Bandwidth 94.1 GB/s

The AMD Radeon Pro 555X is equipped with 4 GB of GDDR5 memory, uses a 128-bit memory bus and delivers 94.1 GB/s of memory bandwidth.

Board and power

The AMD Radeon Pro 555X has a board power rating of 50 W.

Board power (TDP) 50 W
Total board power Not recorded
Suggested PSU Not recorded
Power connectors Not recorded
Slot width Not recorded
Length Not recorded
Width Not recorded
Height Not recorded
Cooler Not recorded
Max temperature Not recorded
Bus interface Not recorded

Market

Launched July 16, 2018
Launch price Not recorded
Status Not recorded
Form factor Not recorded
Segment workstation
Series Radeon Pro

The AMD Radeon Pro 555X was released on July 16, 2018.

Frequently asked questions

How much VRAM does the AMD Radeon Pro 555X have?

The AMD Radeon Pro 555X has 4 GB of GDDR5 memory on a 128-bit bus. Its memory bandwidth is 94.1 GB/s.

How much power does the AMD Radeon Pro 555X use and what power supply does it need?

The AMD Radeon Pro 555X has a board power rating of 50 W.

When was the AMD Radeon Pro 555X released?

The AMD Radeon Pro 555X was released on July 16, 2018.