GPU Showdown

Radeon RX 550XvsGeForce RTX 5090

The GeForce RTX 5090 is a top-tier card for hardcore gamers and creators who need the fastest performance possible, while the Radeon RX 550X is a basic entry-level card for office work or very light gaming.

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

Blackwell 2.0 · TSMC 5 nm · 2025

94score
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 5090Winner
94
RTX 5090 leads by 1466.7% in aggregate performance.
Where they rank overall
#1RTX 5090 D100
#2RTX 509094
#3RTX 409092
#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
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 wins overall for anyone needing top-tier graphics performance, leaving the Radeon RX 550X far behind.

Best value

For budget buyers, the Radeon RX 550X is the smarter pick due to its much lower cost and minimal power needs.

When the other wins

The Radeon RX 550X is the right choice for a simple office PC that only needs basic display output and no gaming.

FAQ

Frequently asked questions

Is the RX 550X better than the RTX 5090?

Overall the RTX 5090 is the stronger graphics card: it ranks higher in our aggregate performance score (94 vs 6 out of 100), so it leads the RX 550X in most workloads.

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

Based on our aggregated benchmark scores the RTX 5090 is roughly 1467% 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?

If you want the most performance, pick the RTX 5090. 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.