Fortnite
1440p@240Hz·24:13 played
TylerMain·3h ago
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FPSAverage
149
FPS1% Low
52%/53°C
47%/69°C
64 GB
40%usage
GeForce RTX 3080 Ti 20 GB vs GeForce RTX 4090
The GeForce RTX 3080 Ti 20 GB is quite a bit slower than the GeForce RTX 4090 on average across 100+ games. We cannot compare value as at least one GPU is out of stock.
GeForce RTX 409077% Score
- Up to 90% faster on average across 100+ games
- Is 9 months newer
- Up to 42% better value for money
- Up to 33% more expensive – $3,670.00 vs $1199
FPS Comparison Across Popular Games
Predicted average FPS at 1080p, 1440p, and 4K, based on real game benchmarks.
Specs & Benchmark Comparison
Side-by-side specs, synthetic benchmarks, and key hardware differences.
FP32 Computehelp
GeForce RTX 4090 has 142% more compute power.
Pixel Fillratehelp
GeForce RTX 4090 fills pixels 138% faster.
Texture Fillratehelp
GeForce RTX 4090 maps textures 142% faster.
Memory Bandwidthhelp
GeForce RTX 4090 moves data 33% faster.
TDPhelp
GeForce RTX 3080 Ti 20 GB draws 100W less power.
GDDR6X
Memory Typehelp
GDDR6X320-bit
Memory Bushelp
384-bitGeForce 30
Generationhelp
GeForce 40Desktop
Segmenthelp
Desktop-
Power Connectorshelp
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Outputshelp
-Frequently Asked Questions
compare_arrowsWhich is better, GeForce RTX 3080 Ti 20 GB or GeForce RTX 4090?expand_more
The GeForce RTX 4090. It's 93% faster than the GeForce RTX 3080 Ti 20 GB on average across 100+ games, scoring 77/100 vs 40/100 in our gaming rating.
speedHow much faster is GeForce RTX 4090 than GeForce RTX 3080 Ti 20 GB?expand_more
93% faster on average. The gap varies by game and resolution, check the per-game FPS comparison above.
aspect_ratioWhich is better for 1440p and 4K gaming, GeForce RTX 3080 Ti 20 GB or GeForce RTX 4090?expand_more
The GeForce RTX 4090 is faster at both resolutions. At 4K, VRAM matters more, check the specs section to compare memory. Toggle the resolution selector above to see per-game FPS.
paidIs the GeForce RTX 4090 worth buying in 2026?expand_more
It scores 77/100 in our gaming rating, faster than most GPUs on the market. Good buy if the price is right.
differenceWhat is the difference between GeForce RTX 3080 Ti 20 GB and GeForce RTX 4090?expand_more
Performance: GeForce RTX 3080 Ti 20 GB scores 40/100, GeForce RTX 4090 scores 77/100. They also differ in VRAM, memory bandwidth, power draw, and compute performance. Full breakdown in the specs section above.
compressWill the GeForce RTX 3080 Ti 20 GB or GeForce RTX 4090 bottleneck my PC?expand_more
Depends on the rest of your build, especially your CPU. Swap the paired CPU in the FPS section above to see if it limits performance, or use our bottleneck calculator for a full analysis.
upgradeIs it worth upgrading to the GeForce RTX 3080 Ti 20 GB or GeForce RTX 4090?expand_more
The GeForce RTX 4090 is the stronger pick at 77/100. Compare your current GPU against it to see the exact FPS gain across 100+ games.
memoryDoes VRAM matter when comparing the GeForce RTX 3080 Ti 20 GB and GeForce RTX 4090?expand_more
Yes, more VRAM helps at higher resolutions and in modded games. Check the specs section above to compare memory capacity and bandwidth between both GPUs.
Popular Comparisons
RTX 3080 Ti 20 GB vs RTX 5060RTX 3080 Ti 20 GB vs RTX 5070 TiRTX 3080 Ti 20 GB vs RTX 5080RTX 3080 Ti 20 GB vs RX 9070 XTRTX 3080 Ti 20 GB vs RTX 5090RTX 3080 Ti 20 GB vs RX 9060 XT 16 GBRTX 3080 Ti 20 GB vs RTX 3070RTX 3080 Ti 20 GB vs GTX 1660 TiRTX 3080 Ti 20 GB vs Arc B580RTX 3080 Ti 20 GB vs GTX 1660 SUPERRTX 3080 Ti 20 GB vs RX 7600RTX 3080 Ti 20 GB vs RX 7700 XTRTX 3080 Ti 20 GB vs RX 580RTX 3080 Ti 20 GB vs RX 560RTX 3080 Ti 20 GB vs RX 6800 XTRTX 3080 Ti 20 GB vs RX 6800RTX 3080 Ti 20 GB vs Arc A580RTX 3080 Ti 20 GB vs Arc B570RTX 3080 Ti 20 GB vs RX 480RTX 3080 Ti 20 GB vs RX 7900 XTXRTX 3080 Ti 20 GB vs R7 240RTX 3080 Ti 20 GB vs R7 250RTX 4090 vs RTX 5060RTX 4090 vs RTX 5070 TiRTX 4090 vs RTX 5080RTX 4090 vs RX 9070 XTRTX 4090 vs RTX 5090RTX 4090 vs RX 9060 XT 16 GBRTX 4090 vs RTX 3070RTX 4090 vs GTX 1660 TiRTX 4090 vs Arc B580RTX 4090 vs GTX 1660 SUPERRTX 4090 vs RX 7600RTX 4090 vs RX 7700 XTRTX 4090 vs RX 580RTX 4090 vs RX 560RTX 4090 vs RX 6800 XTRTX 4090 vs RX 6800RTX 4090 vs Arc A580RTX 4090 vs Arc B570RTX 4090 vs RX 480RTX 4090 vs RX 7900 XTXRTX 4090 vs R7 240RTX 4090 vs R7 250