AMD · GCN 4 · 2018

Radeon RX 550X 640SP (Polaris 11)

Memory2 GB79 of 90 in Radeon RX
Power60 W79 of 95 by higher draw in Radeon RX
Shaders64075 of 80 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 · 640 shadersDie area drawn to scale against the catalog maximum of 1,540 square millimeters. Each dot = 8 shaders.123 mm² die · 640 shadersEach dot = 8 shadersDashed frame = largest catalog die (1,540 mm²)

Specifications

Memory

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

Compute

Shaders
640
TMUs
40
ROPs
16
FP32
1,304.32 GFLOPS
FP64
81.52 GFLOPS
Pixel fill rate
16.304 GP/s
Texture fill rate
40.76 GT/s

Board

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

Physical

Architecture
GCN 4
Die size
123 mm²
Series
Radeon RX
Launch date
April 11, 2018

Not recorded by the source: generation, codename, process and transistors, or 6 further fields.

Catalog context

Within its series, the Radeon RX 550X 640SP (Polaris 11) ranks 32nd of 36 for FP32 throughput and 79th of 90 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