PhoneLifespan

iQOO Z8 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 Z8 runs out in Aug 2026 ($66.14/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: iQOO Z8 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 Z8 $160
Avoid buying$66.14/mo
2023◆ Buy-by Aug 20242026
Xiaomi Poco C71 4G $75
Buy with care$2.23/mo
2025◆ Buy-by Apr 20272029

Category by category

Display
iQOO Z8 70Poco C71 4G 70

Both displays are effectively the same class.

Performance
iQOO Z8 74Poco C71 4G 55

The iQOO Z8's MediaTek Dimensity 8200 is simply the faster chip.

Camera
iQOO Z8 55Poco C71 4G 40

The iQOO Z8 has the stronger camera system — same lens count, higher-grade sensors.

Battery
iQOO Z8 80Poco C71 4G 84

5,200mAh vs 5,000mAh — the Poco C71 4G lasts longer between charges.

Software longevity
iQOO Z8 3Poco C71 4G 40

The Poco C71 4G is supported until Apr 2029 — 31 months longer than the iQOO Z8.

Value
iQOO Z8 40Poco C71 4G 69

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

Full spec table
SpeciQOO Z8Poco C71 4G
Price (street)$160$75
Display6.64-inch LCD, 120Hz6.88-inch IPS LCD, HD+, 120Hz
ChipsetMediaTek Dimensity 8200Unisoc T7250 (12nm)
RAM8GB/12GB4GB/6GB
Storage128GB/256GB/512GB64GB/128GB
Battery5,000 mAh5,200 mAh
Charging120W wired15W wired
Rear cameras64MP main, 2MP depth32MP main
Dimensions164 x 76 x 8.1 mm171.79 × 77.8 × 8.26 mm
Weight196 g193 g
Water resistanceNoneIP52
Supported untilAug 2026Apr 2029
iQOO Z8 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.