Feex·GPU
AMD · Radeon RX 600 Series

AMD Radeon RX 550X 640 SP

The AMD Radeon RX 550X 640 SP is a graphics card released on April 11, 2018. It has 640 shading units, 96.0 GB/s of memory bandwidth, a boost clock of 1.07 GHz and a 60 W board power rating.

Polaris 11
7/10 key specs recorded · 17 facts

Depth: 14 recorded fields

Specification data last verified October 1, 2026 against Wikipedia and Wikipedia GPU list tables (wikigrid-2026-09). Coverage: 7 of 10 tracked specifications recorded.

WikipediaWikipedia GPU list tables (wikigrid-2026-09)
Shading units
640cores
10 compute units
Memory
n/a
GDDR5 · 128-bit
Boost clock
1.07 GHz
1.02 GHz base
Board power
60 W

Graphics processor

Architecture Not recorded
Codename Polaris 11
Chip Not recorded
Process node Not recorded
Transistors 3,000 M
Die size 123 mm²

The AMD Radeon RX 550X 640 SP uses the Polaris 11 graphics processor, contains 3,000 million transistors and has a die size of 123 mm².

Shader configuration

Shading units 640
Compute units 10
Streaming multiprocessors Not recorded
Execution units Not recorded
Texture units (TMUs) Not recorded
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 RX 550X 640 SP has 640 shading units, 10 compute units and 16 render output units.

The AMD Radeon RX 550X 640 SP does not use XMX engines; those are specific to Intel Arc graphics. Feex has no recorded ray tracing core count for the AMD Radeon RX 550X 640 SP.

Clock speeds

Base clock 1.02 GHz
Boost clock 1.07 GHz
Game clock Not recorded
Memory clock Not recorded
Effective memory clock Not recorded

The AMD Radeon RX 550X 640 SP runs at a base clock of 1.02 GHz and boosts to 1.07 GHz.

Memory

Size Not recorded
Type GDDR5
Bus width 128-bit
Bandwidth 96.0 GB/s

The AMD Radeon RX 550X 640 SP uses a 128-bit memory bus and delivers 96.0 GB/s of memory bandwidth.

Board and power

The AMD Radeon RX 550X 640 SP has a board power rating of 60 W.

Board power (TDP) 60 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 April 11, 2018
Launch price Not recorded
Status Not recorded
Form factor Not recorded
Segment desktop
Series Radeon RX 600 Series

The AMD Radeon RX 550X 640 SP was released on April 11, 2018.

Frequently asked questions

How much power does the AMD Radeon RX 550X 640 SP use and what power supply does it need?

The AMD Radeon RX 550X 640 SP has a board power rating of 60 W.

When was the AMD Radeon RX 550X 640 SP released?

The AMD Radeon RX 550X 640 SP was released on April 11, 2018.