PhoneLifespan

iQOO Z9x 5G 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 Z9x 5G runs out in May 2027 ($13.28/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: iQOO Z9x 5G 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 Z9x 5G $145
Avoid buying$13.28/mo
2024◆ Buy-by May 20252027
Xiaomi Poco C71 4G $75
Buy with care$2.23/mo
2025◆ Buy-by Apr 20272029

Category by category

Display
iQOO Z9x 5G 70Poco C71 4G 70

Both displays are effectively the same class.

Performance
iQOO Z9x 5G 46Poco C71 4G 55

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

Camera
iQOO Z9x 5G 55Poco C71 4G 40

The iQOO Z9x 5G has the stronger camera system — same lens count, higher-grade sensors.

Battery
iQOO Z9x 5G 100Poco C71 4G 84

6,000mAh vs 5,200mAh — the iQOO Z9x 5G lasts longer between charges.

Software longevity
iQOO Z9x 5G 13Poco C71 4G 40

The Poco C71 4G is supported until Apr 2029 — 23 months longer than the iQOO Z9x 5G.

Value
iQOO Z9x 5G 40Poco C71 4G 69

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

Full spec table
SpeciQOO Z9x 5GPoco C71 4G
Price (street)$145$75
Display6.72-inch IPS LCD, FHD+, 120Hz, 1000 nits peak6.88-inch IPS LCD, HD+, 120Hz
ChipsetQualcomm Snapdragon 6 Gen 1 (4nm)Unisoc T7250 (12nm)
RAM4GB/6GB/8GB4GB/6GB
Storage128GB/256GB64GB/128GB
Battery6,000 mAh5,200 mAh
Charging44W wired15W wired
Rear cameras50MP main, 2MP depth32MP main
Dimensions164.0 × 76.1 × 7.9 mm171.79 × 77.8 × 8.26 mm
Weight199 g193 g
Water resistanceIP64IP52
Supported untilMay 2027Apr 2029

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