GPU Showdown

GeForce RTX 3080 12 GBvsGeForce RTX 5090

The GeForce RTX 3080 12 GB is a high-end card built for reliable 4K gaming and creative work, while the GeForce RTX 5090 is a next-gen flagship for enthusiasts chasing the absolute best performance and future-proofing.

NVIDIA GeForce RTX 3080 12 GB
12 GB · 350W
VS
NVIDIA GeForce RTX 5090
32 GB · 575W
NVIDIA

GeForce RTX 3080 12 GB

Ampere · TSMC 8 nm · 2022

64score
4.3/ 5
0 votes
VRAM
12 GB
TDP
350W
CUDA Cores
8,960
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 12 GB
64
RTX 5090Winner
94
RTX 5090 leads by 46.9% in aggregate performance.
Where they rank overall
#1RTX 5090 D100
#2RTX 509094
#3RTX 409092
#22RX 6900 XT64
#23RTX 3080 12 GB64
#24RTX 309064
Technical Specifications

Side-by-Side Specs

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

SpecsRTX 3080 12 GBRTX 5090
General
Process Node8 nm5 nm
Memory
VRAM12 GB32 GB
Memory TypeGDDR6XGDDR7
Memory Bus384-bit512-bit
Bandwidth912.4 GB/s1790 GB/s
Compute
CUDA Cores8,96021,760
TMUs280680
ROPs96176
Boost Clock1710 MHz2407 MHz
FP3230.64 TF104.8 TF
Power
TDP350575
Power Connectors1x 12-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 wins overall for anyone wanting top-tier performance and future-proofing with vastly more memory and speed.

Best value

For budget-focused buyers, the GeForce RTX 3080 12 GB is the smarter pick, offering solid high-refresh gaming at a far lower cost.

When the other wins

The GeForce RTX 3080 12 GB is the right choice if you play at 1440p and want great performance without spending on a new power supply.

FAQ

Frequently asked questions

Is the RTX 3080 12 GB better than the RTX 5090?

Overall the RTX 5090 is the stronger graphics card: it ranks higher in our aggregate performance score (94 vs 64 out of 100), so it leads the RTX 3080 12 GB in most workloads.

How much faster is the RTX 5090 than the RTX 3080 12 GB?

Based on our aggregated benchmark scores the RTX 5090 is roughly 47% faster than the RTX 3080 12 GB overall. The real-world gap varies by game, resolution and settings.

Which should you buy, the RTX 3080 12 GB or the RTX 5090?

If you want the most performance, pick the RTX 5090. If the RTX 3080 12 GB 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.