Redmi Turbo 4 review: Dimensity 8400-Ultra value phone with a 6,550 mAh battery.
A flagship-chip value champion.
Redmi Turbo 4 packs the flagship-class Dimensity 8400-Ultra, a huge 6,550 mAh silicon-carbon battery, 90 W charging and IP68 at $280. Exceptional performance-per-dollar.
01Display
82/10082/100 — right at the average for mid phones of 2025.
02Camera
68/10068/100 trails the 71-point cohort average for mid phones of 2025.
03Performance
82/100At 82/100 this is one of the strongest performance showings among mid phones of 2025 — 14 points above the cohort average.
04Battery
90/100At 90/100 this is one of the strongest battery showings among mid phones of 2025 — 9 points above the cohort average.
05Build
76/10076/100 — right at the average for mid phones of 2025.
06Value
86/100At 86/100 this is one of the strongest value showings among mid phones of 2025 — 9 points above the cohort average.
- Dimensity 8400-Ultra — flagship-class.
- Huge 6,550 mAh + 90 W at $280.
- IP68 + 3,200-nit AMOLED.
- OIS main + IR.
- Weak 8 MP ultrawide.
- No telephoto.
- HyperOS ads.
- No wireless charging.
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 43-phone cohort of mid devices released around the same time. We don't publish invented lab anecdotes. Spot an error? .