SpecEagle review · Xiaomi

Redmi 15 5G review: A $179 5G with 7,000 mAh — the longest battery in the budget tier.

SpecEagle Editorial·Aug 2025·$179
Overall
64/100
Class rank
#32 of 146
Tier
Budget
Buy?
Look elsewhere
The verdict, up front

Two-day budget battery.

Redmi 15 5G ships a 7,000 mAh cell — class-leading at the sub-$200 tier — paired with a 144 Hz LCD and Snapdragon 4 Gen 2. Against Galaxy M06 5G (smaller battery, longer support) and Realme C75 (IP69 but 4G only), it wins on endurance.

01Display

74/100

74/100 puts it above the 69-point average for budget phones of 2025.

TypeIPS LCD, 144 Hz
Size6.9 inches
Resolution2,340 × 1,080 px (FHD+)
Peak brightness600 nits typical · 850 nits HBM

02Camera

60/100

60/100 — right at the average for budget phones of 2025.

Main50 MP, f/1.8
Depth2 MP
Selfie13 MP

03Performance

56/100

56/100 — right at the average for budget phones of 2025.

ChipsetQualcomm Snapdragon 4 Gen 2 (4 nm)
RAM6 / 8 GB
Storage128 / 256 GB UFS 2.2 · microSD

04Battery

96/100

At 96/100 this is one of the strongest battery showings among budget phones of 2025 — 15 points above the cohort average.

Capacity7,000 mAh
Wired33 W

05Build

68/100

68/100 puts it above the 66-point average for budget phones of 2025.

06Value

86/100

At 86/100 this is one of the strongest value showings among budget phones of 2025 — 14 points above the cohort average.

What works
  • 7,000 mAh — class-leading 2-day battery.
  • 144 Hz LCD at $179.
  • 5G + Snapdragon 4 Gen 2.
  • 3.5 mm + microSD + stereo speakers.
What doesn't
  • 215 g is heavy.
  • LCD only, no AMOLED.
  • 33 W charging is mid-tier.
  • HyperOS still has ads.
Cross-shop it against
Moto G85
$299 · score 74/100

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