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AMD · GCN 4 · 2018

Radeon RX 550X 640SP (Polaris 11)

Memory4 GB60 of 96 in Radeon RX
Power60 W81 of 96 by higher draw in Radeon RX

Silicon, made visible

Die area is drawn against the largest recorded die in the catalog. Shader dots use a labeled, card-specific ratio so both early and modern GPUs remain legible.

123 mm² die · shader count not recordedDie area drawn to scale against the catalog maximum of 1,540 square millimeters. Shader count not recorded.123 mm² die · shader count not recordedShader count not recordedDashed frame = largest catalog die (1,540 mm²)

Specifications

Memory

Capacity
4 GB
Type
GDDR5
Bus width
128 bit
Bandwidth
96 GB/s

Compute

FP32
1,370.88 GFLOPS
FP64
85.68 GFLOPS
Pixel fill rate
17.136 GP/s
Texture fill rate
42.84 GT/s

Board

TDP
60 W
Bus interface
PCIe 3.0 ×8
Form factor
desktop

Physical

Architecture
GCN 4
Process
14 nm (mapped from a reviewed process name)
Die size
123 mm²
Series
Radeon RX
Launch date
April 11, 2018

Not recorded by the source: generation, codename, transistors and shaders, or 8 further fields.

Catalog context

Within its series, the Radeon RX 550X 640SP (Polaris 11) ranks 36th of 44 for FP32 throughput and 60th of 96 for memory capacity. Its 60 W TDP is within the 75 W PCIe slot-power ceiling.

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Source: Wikipedia, revision 1364362273 · catalog loaded 2026-08-16