GPU Showdown

Radeon RX 550XvsGeForce RTX 5090 D

The GeForce RTX 5090 D is a top-tier card for enthusiasts and creators needing maximum graphics power, while the Radeon RX 550X is a basic, low-power option for simple office work or very old games.

AMD Radeon RX 550X
4 GB · 50W
VS
NVIDIA GeForce RTX 5090 D
32 GB · 575W
AMD

Radeon RX 550X

GCN 4.0 · TSMC 14 nm · 2018

6score
3.4/ 5
0 votes
VRAM
4 GB
TDP
50W
CUDA Cores
512
Boost Clock
1183 MHz

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NVIDIA

GeForce RTX 5090 D

Blackwell 2.0 · TSMC 5 nm · 2025

100score
3.3/ 5
0 votes
VRAM
32 GB
TDP
575W
Shaders
21,760
Boost Clock
2407 MHz

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Aggregate Performance

Overall Performance Score

A unified score from combined synthetic and real-world benchmarks. 100 represents the fastest consumer GPU available.

RX 550X
6
RTX 5090 DWinner
100
RTX 5090 D leads by 1566.7% in aggregate performance.
Where they rank overall
#1RTX 5090 D100
#2RTX 509094
#125GT 10306
#126RX 550X6
#1275505
Technical Specifications

Side-by-Side Specs

Every detail compared. Highlighted cells indicate the leading value for that metric.

SpecsRX 550XRTX 5090 D
General
Process Node14 nm5 nm
Memory
VRAM4 GB32 GB
Memory TypeGDDR5GDDR7
Memory Bus128-bit512-bit
Bandwidth96 GB/s1790 GB/s
Compute
CUDA Cores51221,760
TMUs32680
ROPs16176
Boost Clock1183 MHz2407 MHz
FP321.211 TF104.8 TF
Power
TDP50575
Power Connectors1x 16-pin
Display
Max Resolution7680×43207680×4320
Display Outputs1x DVI, 1x HDMI, 1x DisplayPort1x HDMI 2.1b, 3x DisplayPort 2.1b
Verdict

Which should you buy?

Winner overall

The GeForce RTX 5090 D is the clear winner overall for anyone needing top-tier graphics performance.

Best value

Budget buyers should pick the Radeon RX 550X for basic display tasks, not the far more expensive GeForce RTX 5090 D.

When the other wins

The Radeon RX 550X is the right choice for a low-power office PC where only simple video output is needed.

FAQ

Frequently asked questions

Is the RX 550X better than the RTX 5090 D?

Overall the RTX 5090 D is the stronger graphics card: it ranks higher in our aggregate performance score (100 vs 6 out of 100), so it leads the RX 550X in most workloads.

How much faster is the RTX 5090 D than the RX 550X?

Based on our aggregated benchmark scores the RTX 5090 D is roughly 1567% faster than the RX 550X overall. The real-world gap varies by game, resolution and settings.

Which should you buy, the RX 550X or the RTX 5090 D?

If you want the most performance, pick the RTX 5090 D. If the RX 550X is meaningfully cheaper where you shop, it can be the better value for similar real-world results — check current prices and the full spec comparison above before deciding.