GPU Showdown

GeForce RTX 3080vsGeForce RTX 5090

The GeForce RTX 3080 is a previous-generation high-end card built for solid 1440p and entry-level 4K gaming, while the RTX 5090 is a current flagship designed for extreme 4K and ray-traced workloads.

NVIDIA GeForce RTX 3080
10 GB · 320W
VS
NVIDIA GeForce RTX 5090
32 GB · 575W
NVIDIA

GeForce RTX 3080

Ampere · TSMC 8 nm · 2020

60score
4.1/ 5
0 votes
VRAM
10 GB
TDP
320W
CUDA Cores
8,704
Boost Clock
1710 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.

RTX 3080
60
RTX 5090Winner
94
RTX 5090 leads by 56.7% in aggregate performance.
Where they rank overall
#1RTX 5090 D100
#2RTX 509094
#3RTX 409092
#26RX 6800 XT60
#27RTX 308060
#28RX 7800 XT59
Technical Specifications

Side-by-Side Specs

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

SpecsRTX 3080RTX 5090
General
Process Node8 nm5 nm
Memory
VRAM10 GB32 GB
Memory TypeGDDR6XGDDR7
Memory Bus320-bit512-bit
Bandwidth760.3 GB/s1790 GB/s
Compute
CUDA Cores8,70421,760
TMUs272680
ROPs96176
Boost Clock1710 MHz2407 MHz
FP3229.77 TF104.8 TF
Power
TDP320575
Power Connectors1x 12-pin1x 16-pin
Display
Max Resolution7680×43207680×4320
Display Outputs1x HDMI, 3x 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 future-proofing.

Best value

The GeForce RTX 3080 is the smarter pick for budget-conscious buyers who still want strong 1440p gaming.

When the other wins

The GeForce RTX 3080 is the right choice if your power supply and case limit you to moderate heat and lower wattage.

FAQ

Frequently asked questions

Is the RTX 3080 better than the RTX 5090?

Overall the RTX 5090 is the stronger graphics card: it ranks higher in our aggregate performance score (94 vs 60 out of 100), so it leads the RTX 3080 in most workloads.

How much faster is the RTX 5090 than the RTX 3080?

Based on our aggregated benchmark scores the RTX 5090 is roughly 57% faster than the RTX 3080 overall. The real-world gap varies by game, resolution and settings.

Which should you buy, the RTX 3080 or the RTX 5090?

If you want the most performance, pick the RTX 5090. If the RTX 3080 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.