GPU Showdown

Radeon RX 6600 XTvsGeForce RTX 5090

The GeForce RTX 5090 is for enthusiasts and creators who need extreme performance for 4K gaming and heavy workloads, while the Radeon RX 6600 XT is a solid mid-range card for smooth 1080p gaming on a budget.

AMD Radeon RX 6600 XT
8 GB · 160W
VS
NVIDIA GeForce RTX 5090
32 GB · 575W
AMD

Radeon RX 6600 XT

RDNA 2.0 · TSMC 7 nm · 2021

40score
4.2/ 5
0 votes
VRAM
8 GB
TDP
160W
CUDA Cores
2,048
Boost Clock
2589 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 6600 XT
40
RTX 5090Winner
94
RTX 5090 leads by 135.0% in aggregate performance.
Where they rank overall
#1RTX 5090 D100
#2RTX 509094
#3RTX 409092
#66RTX 2060 Super40
#67RX 6600 XT40
#68VII39
Technical Specifications

Side-by-Side Specs

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

SpecsRX 6600 XTRTX 5090
General
Process Node7 nm5 nm
Memory
VRAM8 GB32 GB
Memory TypeGDDR6GDDR7
Memory Bus128-bit512-bit
Bandwidth256 GB/s1790 GB/s
Compute
CUDA Cores2,04821,760
TMUs128680
ROPs64176
Boost Clock2589 MHz2407 MHz
FP3210.6 TF104.8 TF
Power
TDP160575
Power Connectors1x 8-pin1x 16-pin
Display
Max Resolution7680×43207680×4320
Display Outputs1x HDMI, 2x 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 performance and massive memory capacity.

Best value

The Radeon RX 6600 XT is the smarter pick for budget buyers, offering solid 1080p gaming at a fraction of the cost.

When the other wins

If you game at 1080p with a tight budget, the Radeon RX 6600 XT is the right choice over the overkill RTX 5090.

FAQ

Frequently asked questions

Is the RX 6600 XT better than the RTX 5090?

Overall the RTX 5090 is the stronger graphics card: it ranks higher in our aggregate performance score (94 vs 40 out of 100), so it leads the RX 6600 XT in most workloads.

How much faster is the RTX 5090 than the RX 6600 XT?

Based on our aggregated benchmark scores the RTX 5090 is roughly 135% faster than the RX 6600 XT overall. The real-world gap varies by game, resolution and settings.

Which should you buy, the RX 6600 XT or the RTX 5090?

If you want the most performance, pick the RTX 5090. If the RX 6600 XT 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.