SpecEagle review · Xiaomi

Redmi K90s review: 2026 K-series refresh.

Item: Redmi K90s
Rating: 86
Author: SpecEagle Editorial

SpecEagle Editorial·Q1 2026·$420

Overall

86/100

Class rank

#85 of 154

Tier

Flagship

Buy?

Yes

The verdict, up front

Redmi K90s.

K90s pairs SD 8 Elite with 7,500 mAh Si-C at $420 — Xiaomi's 2026 China flagship-killer K.

01Display

88/100

88/100 — right at the average for flagship phones of 2026.

TypeLTPO OLED

Size6.83"

Refresh144 Hz

02Performance

90/100

90/100 — right at the average for flagship phones of 2026.

ChipsetSnapdragon 8 Elite

RAM16 GB

Storage512 GB

03Camera

80/100

80/100 trails the 85-point cohort average for flagship phones of 2026.

Main50 MP OIS

Ultrawide8 MP

Telephoto12 MP 2x

Front20 MP

04Battery

94/100

At 94/100 this is one of the strongest battery showings among flagship phones of 2026 — 8 points above the cohort average.

Capacity7,500 mAh Si-C

Charging120 W

05Software

78/100

78/100 is one of the weaker software results among flagship phones of 2026 — 7 points under the average. Check the rows below before buying for this.

What works

SD 8 Elite at $420.
7,500 mAh Si-C.
120 W charging.
2x telephoto.

What doesn't

8 MP ultrawide.
220 g.
HyperOS bloat.
China-priority.

Cross-shop it against

iPhone 19 Pro Max

$1199 · score 95/100

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 154-phone cohort of flagship devices released around the same time. We don't publish invented lab anecdotes. Spot an error? .