GPU Showdown

Radeon RX 6600 LEvsGeForce RTX 5090 D

The GeForce RTX 5090 D is a top-tier card for enthusiasts and creators who need extreme performance, while the Radeon RX 6600 LE is a budget-friendly option for casual gaming at lower settings.

AMD Radeon RX 6600 LE
8 GB · 132W
VS
NVIDIA GeForce RTX 5090 D
32 GB · 575W
AMD

Radeon RX 6600 LE

RDNA 2.0 · TSMC 7 nm · 2023

34score
4.2/ 5
0 votes
VRAM
8 GB
TDP
132W
CUDA Cores
1,792
Boost Clock
2495 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 6600 LE
34
RTX 5090 DWinner
100
RTX 5090 D leads by 194.1% in aggregate performance.
Where they rank overall
#1RTX 5090 D100
#2RTX 509094
#79RTX 206034
#80RX 6600 LE34
#81RX Vega 6433
Technical Specifications

Side-by-Side Specs

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

SpecsRX 6600 LERTX 5090 D
General
Process Node7 nm5 nm
Memory
VRAM8 GB32 GB
Memory TypeGDDR6GDDR7
Memory Bus128-bit512-bit
Bandwidth224 GB/s1790 GB/s
Compute
CUDA Cores1,79221,760
TMUs112680
ROPs64176
Boost Clock2495 MHz2407 MHz
FP328.942 TF104.8 TF
Power
TDP132575
Power Connectors1x 8-pin1x 16-pin
Display
Max Resolution7680×43207680×4320
Display Outputs1x HDMI 2.1, 3x DisplayPort 1.4a1x HDMI 2.1b, 3x DisplayPort 2.1b
Verdict

Which should you buy?

Winner overall

The GeForce RTX 5090 D wins overall for anyone needing top-tier performance with huge memory capacity.

Best value

The Radeon RX 6600 LE is the smarter pick for budget buyers who want a capable card without spending heavily.

When the other wins

The Radeon RX 6600 LE is the right choice if you need a low-power, affordable card for older games or basic tasks.

FAQ

Frequently asked questions

Is the RX 6600 LE 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 34 out of 100), so it leads the RX 6600 LE in most workloads.

How much faster is the RTX 5090 D than the RX 6600 LE?

Based on our aggregated benchmark scores the RTX 5090 D is roughly 194% faster than the RX 6600 LE overall. The real-world gap varies by game, resolution and settings.

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

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