PhoneLifespan

Poco C71 4G vs Poco M7 Plus 5G

vs

Winner

Xiaomi Poco M7 Plus 5G

Lifespan decides this one: the Poco M7 Plus 5G is supported until Aug 2029 at $4.34 per month of safe use, while the Poco C71 4G runs out in Apr 2029 ($2.23/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Poco C71 4G 69 · Poco M7 Plus 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 C71 4G $75
Buy with care$2.23/mo
2025◆ Buy-by Apr 20272029
Xiaomi Poco M7 Plus 5G $165
Safe to buy$4.34/mo
2025◆ Buy-by Aug 20272029

Category by category

Display
Poco C71 4G 70Poco M7 Plus 5G 70

Both displays are effectively the same class.

Performance
Poco C71 4G 55Poco M7 Plus 5G 46

The Poco C71 4G's Unisoc T7250 (12nm) is simply the faster chip.

Camera
Poco C71 4G 40Poco M7 Plus 5G 55

The Poco M7 Plus 5G has the stronger camera system — same lens count, higher-grade sensors.

Battery
Poco C71 4G 84Poco M7 Plus 5G 100

7,000mAh vs 5,200mAh — the Poco M7 Plus 5G lasts longer between charges.

Software longevity
Poco C71 4G 40Poco M7 Plus 5G 45

The Poco M7 Plus 5G is supported until Aug 2029 — 4 months longer than the Poco C71 4G.

Value
Poco C71 4G 69Poco M7 Plus 5G 75

Overall value goes to the Poco M7 Plus 5G at $4.34 per month of safe use.

Full spec table
SpecPoco C71 4GPoco M7 Plus 5G
Price (street)$75$165
Display6.88-inch IPS LCD, HD+, 120Hz6.9-inch IPS LCD, FHD+, 144Hz, 850 nits peak
ChipsetUnisoc T7250 (12nm)Qualcomm Snapdragon 6s Gen 3 (6nm)
RAM4GB/6GB4GB/6GB/8GB
Storage64GB/128GB128GB
Battery5,200 mAh7,000 mAh
Charging15W wired33W wired, 18W reverse wired
Rear cameras32MP main50MP main
Dimensions171.79 × 77.8 × 8.26 mm168.5 × 80.5 × 8.4 mm
Weight193 g217 g
Water resistanceIP52IP64
Supported untilApr 2029Aug 2029

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