PhoneLifespan

Xperia 10 III 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 Xperia 10 III is already past its support window. On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Xperia 10 III 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.

Sony Xperia 10 III $160
Avoid buyingsupport ended
2021◆ Buy-by Jun 20212023
Xiaomi Poco C71 4G $75
Buy with care$2.23/mo
2025◆ Buy-by Apr 20272029

Category by category

Display
Xperia 10 III 50Poco C71 4G 70

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

Performance
Xperia 10 III 55Poco C71 4G 55

Performance is a wash — same chip tier.

Camera
Xperia 10 III 64Poco C71 4G 40

The Xperia 10 III has the stronger camera system (3 real rear lenses vs 1).

Battery
Xperia 10 III 70Poco C71 4G 84

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

Software longevity
Xperia 10 III 0Poco C71 4G 40

The Poco C71 4G is supported until Apr 2029 — 70 months longer than the Xperia 10 III.

Value
Xperia 10 III 40Poco C71 4G 69

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

Full spec table
SpecXperia 10 IIIPoco C71 4G
Price (street)$160$75
Display6.0-inch OLED, FHD+ (1080x2520), 21:9, 60Hz6.88-inch IPS LCD, HD+, 120Hz
ChipsetSnapdragon 690 5GUnisoc T7250 (12nm)
RAM6GB4GB/6GB
Storage128GB/256GB64GB/128GB
Battery4,500 mAh5,200 mAh
Charging21W wired (USB PD)15W wired
Rear cameras12MP main (27mm), 8MP ultra-wide (16mm), 8MP telephoto 2x (54mm)32MP main
Dimensions154 x 68 x 8.3 mm171.79 × 77.8 × 8.26 mm
Weight169 g193 g
Water resistanceIP65/68IP52
Supported untilJun 2023Apr 2029
Xperia 10 III 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.