GPU Showdown

GeForce RTX 3090vsGeForce RTX 4080

The GeForce RTX 3090 is a last-gen flagship with a massive 24GB frame buffer for prosumers and 4K gamers, while the RTX 4080 is a newer, faster card aimed at high-refresh-rate gaming and efficiency.

NVIDIA GeForce RTX 3090
24 GB · 350W
VS
NVIDIA GeForce RTX 4080
16 GB · 320W
NVIDIA

GeForce RTX 3090

Ampere · TSMC 8 nm · 2020

64score
1.3/ 5
0 votes
VRAM
24 GB
TDP
350W
CUDA Cores
10,496
Boost Clock
1695 MHz

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NVIDIA

GeForce RTX 4080

Ada Lovelace · TSMC 5 nm · 2022

83score
4.2/ 5
0 votes
VRAM
16 GB
TDP
320W
Shaders
9,728
Boost Clock
2505 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 3090
64
RTX 4080Winner
83
RTX 4080 leads by 29.7% in aggregate performance.
Where they rank overall
#4RTX 508086
#5RTX 408083
#6RTX 4080 SUPER82
#23RTX 3080 12 GB64
#24RTX 309064
#25RX 907061
Technical Specifications

Side-by-Side Specs

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

SpecsRTX 3090RTX 4080
General
ArchitectureAmpereAda Lovelace
Process Node8 nm5 nm
Memory
VRAM24 GB16 GB
Memory TypeGDDR6XGDDR6X
Memory Bus384-bit256-bit
Bandwidth936.2 GB/s716.8 GB/s
Compute
CUDA Cores10,4969,728
TMUs328304
ROPs112112
Boost Clock1695 MHz2505 MHz
FP3235.58 TF48.74 TF
Power
TDP350320
Power Connectors1x 12-pin1x 16-pin
Display
Max Resolution7680×43207680×4320
Display Outputs1x HDMI, 3x DisplayPort1x HDMI 2.1, 3x DisplayPort 1.4a
Verdict

Which should you buy?

Winner overall

The GeForce RTX 4080 wins overall with noticeably faster performance and better efficiency than the older GeForce RTX 3090.

Best value

For budget or value buyers, the GeForce RTX 4080 is the smarter pick, offering newer architecture and better speed for less power.

When the other wins

The GeForce RTX 3090 is the right choice if you need more video memory for large datasets or heavy creative work.

FAQ

Frequently asked questions

Is the RTX 3090 better than the RTX 4080?

Overall the RTX 4080 is the stronger graphics card: it ranks higher in our aggregate performance score (83 vs 64 out of 100), so it leads the RTX 3090 in most workloads.

How much faster is the RTX 4080 than the RTX 3090?

Based on our aggregated benchmark scores the RTX 4080 is roughly 30% faster than the RTX 3090 overall. The real-world gap varies by game, resolution and settings.

Which should you buy, the RTX 3090 or the RTX 4080?

If you want the most performance, pick the RTX 4080. If the RTX 3090 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.