PhoneLifespan

Poco M7 5G vs Redmi 15 5G

vs

Winner

Xiaomi Redmi 15 5G

Lifespan decides this one: the Redmi 15 5G is supported until Aug 2029 at $4.80 per month of safe use, while the Poco M7 5G runs out in Mar 2029 ($3.68/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Poco M7 5G 73 · Redmi 15 5G 75 — methodology

The lifespan decider

When specs are close, support length decides it — this is what each phone costs per month of safe use.

Xiaomi Poco M7 5G $120
Buy with care$3.68/mo
2025◆ Buy-by Mar 20272029
Xiaomi Redmi 15 5G $180
Safe to buy$4.80/mo
2025◆ Buy-by Aug 20272029

Category by category

Display
Poco M7 5G 70Redmi 15 5G 70

Both displays are effectively the same class.

Performance
Poco M7 5G 42Redmi 15 5G 46

The Redmi 15 5G's Qualcomm Snapdragon 6s Gen 3 is simply the faster chip.

Camera
Poco M7 5G 55Redmi 15 5G 55

Camera systems are comparable on paper — pick by sample photos.

Battery
Poco M7 5G 100Redmi 15 5G 100

Battery capacities are close enough not to decide this.

Software longevity
Poco M7 5G 39Redmi 15 5G 45

The Redmi 15 5G is supported until Aug 2029 — 5 months longer than the Poco M7 5G.

Value
Poco M7 5G 73Redmi 15 5G 75

Pound for pound, these two are equally good deals.

Full spec table
SpecPoco M7 5GRedmi 15 5G
Price (street)$120$180
Display6.88-inch IPS LCD, HD+, 120Hz, 600 nits peak6.9-inch IPS LCD, FHD+, 144Hz, 850 nits peak
ChipsetQualcomm Snapdragon 4 Gen 2 (4nm)Qualcomm Snapdragon 6s Gen 3
RAM6GB/8GB4GB/6GB/8GB
Storage128GB128GB/256GB
Battery7,000 mAh7,000 mAh
Charging33W wired33W wired, 18W reverse wired
Rear cameras50MP main50MP main, 2MP depth
Dimensions171.5 × 77.5 × 8.9 mm169.5 × 80.5 × 8.4 mm
Weight205 g217 g
Water resistanceIP64IP64
Supported untilMar 2029Aug 2029
Poco M7 5G full verdict →Redmi 15 5G full verdict →Longevity master board →

Scores and verdicts are computed from our verified database — see exactly how. Specs from manufacturer documentation; prices reflect major US retailers.