SpecEagle review · Xiaomi

Redmi Turbo 4 review: Dimensity 8400-Ultra value phone with a 6,550 mAh battery.

SpecEagle Editorial·Jan 2025·$280
Overall
76/100
Class rank
#5 of 43
Tier
Mid
Buy?
At the right price
The verdict, up front

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

82/100

82/100 — right at the average for mid phones of 2025.

TypeFlat AMOLED, 120 Hz
Size6.67 inches
Resolution2,712 × 1,220 px
Peak brightness3,200 nits

02Camera

68/100

68/100 trails the 71-point cohort average for mid phones of 2025.

Main50 MP Light Hunter 800, f/1.6, OIS
Ultrawide8 MP
Selfie20 MP

03Performance

82/100

At 82/100 this is one of the strongest performance showings among mid phones of 2025 — 14 points above the cohort average.

ChipsetDimensity 8400-Ultra (4 nm)
RAM12 / 16 GB
Storage256 / 512 GB

04Battery

90/100

At 90/100 this is one of the strongest battery showings among mid phones of 2025 — 9 points above the cohort average.

Capacity6,550 mAh (silicon-carbon)
Wired90 W

05Build

76/100

76/100 — right at the average for mid phones of 2025.

06Value

86/100

At 86/100 this is one of the strongest value showings among mid phones of 2025 — 9 points above the cohort average.

What works
  • Dimensity 8400-Ultra — flagship-class.
  • Huge 6,550 mAh + 90 W at $280.
  • IP68 + 3,200-nit AMOLED.
  • OIS main + IR.
What doesn't
  • Weak 8 MP ultrawide.
  • No telephoto.
  • HyperOS ads.
  • No wireless charging.
Cross-shop it against
Edge 60 Pro
$429 · score 80/100

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