PhoneLifespan

iPhone 3GS 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 iPhone 3GS is already past its support window. On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: iPhone 3GS 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.

Apple iPhone 3GS $40
Avoid buyingsupport ended
2009◆ Buy-by Jun 20112013
Xiaomi Poco C71 4G $75
Buy with care$2.23/mo
2025◆ Buy-by Apr 20272029

Category by category

Display
iPhone 3GS 50Poco C71 4G 70

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

Performance
iPhone 3GS 24Poco C71 4G 55

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

Camera
iPhone 3GS 25Poco C71 4G 40

The Poco C71 4G has the stronger camera system (1 real rear lenses vs 0).

Battery
iPhone 3GS 8Poco C71 4G 84

5,200mAh vs 1,400mAh — the Poco C71 4G lasts longer between charges.

Software longevity
iPhone 3GS 0Poco C71 4G 40

The Poco C71 4G is supported until Apr 2029 — 190 months longer than the iPhone 3GS.

Value
iPhone 3GS 40Poco C71 4G 69

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

Full spec table
SpeciPhone 3GSPoco C71 4G
Price (street)$40$75
Display3.5-inch TFT LCD, 320x480 (~165 ppi)6.88-inch IPS LCD, HD+, 120Hz
ChipsetSamsung S5PC100 (Cortex-A8)Unisoc T7250 (12nm)
RAM0.25GB4GB/6GB
Storage8GB/16GB/32GB64GB/128GB
Battery1,400 mAh5,200 mAh
Charging5W wired15W wired
Rear cameras3MP main32MP main
Dimensions115.5 x 62.1 x 12.3 mm171.79 × 77.8 × 8.26 mm
Weight135 g193 g
Water resistanceNoneIP52
Supported untilJun 2013Apr 2029
iPhone 3GS 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.