PhoneLifespan

40 SE 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 40 SE is already past its support window. On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: 40 SE 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.

TCL 40 SE $90
Avoid buyingsupport ended
2023◆ Buy-by Apr 20232025
Xiaomi Poco C71 4G $75
Buy with care$2.23/mo
2025◆ Buy-by Apr 20272029

Category by category

Display
40 SE 50Poco C71 4G 70

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

Performance
40 SE 55Poco C71 4G 55

Performance is a wash — same chip tier.

Camera
40 SE 55Poco C71 4G 40

The 40 SE has the stronger camera system — same lens count, higher-grade sensors.

Battery
40 SE 80Poco C71 4G 84

5,200mAh vs 5,010mAh — the Poco C71 4G lasts longer between charges.

Software longevity
40 SE 0Poco C71 4G 40

The Poco C71 4G is supported until Apr 2029 — 48 months longer than the 40 SE.

Value
40 SE 40Poco C71 4G 69

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

Full spec table
Spec40 SEPoco C71 4G
Price (street)$90$75
Display6.75-inch IPS LCD, 720 x 1600 (HD+), 90Hz6.88-inch IPS LCD, HD+, 120Hz
ChipsetMediaTek Helio G37Unisoc T7250 (12nm)
RAM4GB/6GB4GB/6GB
Storage128GB/256GB64GB/128GB
Battery5,010 mAh5,200 mAh
Charging18W wired15W wired
Rear cameras50MP main, 2MP macro32MP main
Dimensions167.9 x 76.5 x 8.5 mm171.79 × 77.8 × 8.26 mm
Weight190 g193 g
Water resistanceNoneIP52
Supported untilApr 2025Apr 2029
40 SE 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.