Radeon RX 550 (512 SP) 4GB

4GB VRAM. Documented release: April 2017.

THE RECORDED NUMBERS

RX 550 (512 SP) 4GB benchmark

Benchmark FPS at 1080p: 23 FPS
Our rating: 29.1 /100
550s we've tested: 3
Recorded benchmark rank: #196 of 257 variants

Shared family total: Radeon RX 550 4GB.

GPUsed’s continuous 1080p FurMark workload. These figures compare that benchmark, not FPS in a particular game. Historical quantities are supplied model or family totals, not the retained sample size of the displayed FPS average.

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GPUSED’S TAKE

The verdict

The 4GB version of the 512-shader RX 550 offered more room for textures on the same small Polaris GPU. It made sense for modest systems, but it should not be mistaken for a faster 640-shader RX 550 simply because the memory figure is larger.

GPUsed Legend Rating

3.4 /10

3.4 out of 10

Our editorial rating of its legacy and character. It is separate from benchmark performance and is not an audience vote.

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THE EXACT VERSION

Identity and release

Model: Radeon RX 550 (512 SP) 4GB
Memory: 4GB VRAM
Documented release: April 2017
Release event: documented exact-variant availability
Release scope: Japan; Sapphire PULSE 4GB board announced for shop sale from 21 April

Sapphire specifies an RX 550 4GB GDDR5 board with 512 stream processors; the dated shop report names the same PULSE capacity and board code. GPUsed's board SKU is unknown.

A board-specific test SKU is not supplied with this profile. It identifies the recorded GPU variant; a particular card’s dimensions, cooler and power connections need their own check.

PICK ITS OPPONENT

RX 550 (512 SP) 4GB comparisons

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CHECK THE RECEIPTS

Profile sources

Reviewed 4 October 2026. The release date above uses the documented event and scope shown in this profile.

Source 1: akiba-pc.watch.impress.co.jp Release reference
Source 2: sapphiretech.com

Profile references support the identity and editorial context. The benchmark FPS and historical quantities are GPUsed’s supplied records.