PhoneLifespan

iQOO Z7 vs Poco C71 4G

vs

Winner

Xiaomi Poco C71 4G

Lifespan decides this one: the Poco C71 4G is supported until Apr 2029 at $2.23 per month of safe use, while the iQOO Z7 is already past its support window. On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: iQOO Z7 40 · Poco C71 4G 69 — methodology

The lifespan decider

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

Vivo iQOO Z7 $200
Avoid buyingsupport ended
2023◆ Buy-by Mar 20242026
Xiaomi Poco C71 4G $75
Buy with care$2.23/mo
2025◆ Buy-by Apr 20272029

Category by category

Display
iQOO Z7 50Poco C71 4G 70

The Poco C71 4G's screen is the better one — 6.88-inch ips lcd, hd+, 120hz.

Performance
iQOO Z7 56Poco C71 4G 55

Performance is a wash — same chip tier.

Camera
iQOO Z7 55Poco C71 4G 40

The iQOO Z7 has the stronger camera system — same lens count, higher-grade sensors.

Battery
iQOO Z7 70Poco C71 4G 84

5,200mAh vs 4,500mAh — the Poco C71 4G lasts longer between charges.

Software longevity
iQOO Z7 0Poco C71 4G 40

The Poco C71 4G is supported until Apr 2029 — 37 months longer than the iQOO Z7.

Value
iQOO Z7 40Poco C71 4G 69

Overall value goes to the Poco C71 4G at $2.23 per month of safe use.

Full spec table
SpeciQOO Z7Poco C71 4G
Price (street)$200$75
Display6.38-inch AMOLED, FHD+, 90Hz, up to 1300 nits peak6.88-inch IPS LCD, HD+, 120Hz
ChipsetMediaTek Dimensity 920Unisoc T7250 (12nm)
RAM6GB/8GB4GB/6GB
Storage128GB64GB/128GB
Battery4,500 mAh5,200 mAh
Charging44W wired15W wired
Rear cameras64MP main, 2MP depth32MP main
Dimensions158.9 × 73.5 × 7.8 mm171.79 × 77.8 × 8.26 mm
Weight173 g193 g
Water resistanceIP54IP52
Supported untilMar 2026Apr 2029
iQOO Z7 full verdict →Poco C71 4G 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.