Redmi K80 Ultra review: A Dimensity 9400+ performance flagship with a 7,000 mAh battery.
The performance-per-dollar champion.
K80 Ultra packs a Dimensity 9400+, 7,000 mAh, 100 W charging and IP68 for $480 — raw flagship horsepower at upper-mid pricing. The camera is single-lens-serious; for gamers chasing frames and battery it is a standout.
01Display
88/10088/100 — right at the average for flagship phones of 2025.
02Camera
78/10078/100 is one of the weaker camera results among flagship phones of 2025 — 6 points under the average. Check the rows below before buying for this.
03Performance
94/10094/100 puts it above the 90-point average for flagship phones of 2025.
04Battery
92/100At 92/100 this is one of the strongest battery showings among flagship phones of 2025 — 6 points above the cohort average.
05Build
82/10082/100 trails the 86-point cohort average for flagship phones of 2025.
06Value
86/10086/100 puts it above the 81-point average for flagship phones of 2025.
- Dimensity 9400+ flagship silicon at $480.
- 7,000 mAh + 100 W charging.
- 1.5K AMOLED, 3,200 nits.
- IP68 + Wi-Fi 7.
- 8 MP ultrawide and no telephoto.
- 218 g.
- China-first release.
- No jack.
How this review is built: every section score, spec row and comparison on this page comes from SpecEagle's tracked catalogue — scores weight measured specs against the 229-phone cohort of flagship devices released around the same time. We don't publish invented lab anecdotes. Spot an error? .