PhoneLifespan

T4 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 T4 5G runs out in Apr 2028 ($11.62/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: T4 5G 72 · 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 T4 5G $260
Buy with care$11.62/mo
2025◆ Buy-by Apr 20262028
Xiaomi Poco C71 4G $75
Buy with care$2.23/mo
2025◆ Buy-by Apr 20272029

Category by category

Display
T4 5G 80Poco C71 4G 70

The T4 5G's screen is the better one — 6.77-inch amoled, fhd+, 120hz, 5000 nits peak.

Performance
T4 5G 64Poco C71 4G 55

The T4 5G's Qualcomm Snapdragon 7s Gen 3 is simply the faster chip.

Camera
T4 5G 55Poco C71 4G 40

The T4 5G has the stronger camera system — same lens count, higher-grade sensors.

Battery
T4 5G 100Poco C71 4G 84

7,300mAh vs 5,200mAh — the T4 5G lasts longer between charges.

Software longevity
T4 5G 27Poco C71 4G 40

The Poco C71 4G is supported until Apr 2029 — 11 months longer than the T4 5G.

Value
T4 5G 72Poco C71 4G 69

Pound for pound, these two are equally good deals.

Full spec table
SpecT4 5GPoco C71 4G
Price (street)$260$75
Display6.77-inch AMOLED, FHD+, 120Hz, 5000 nits peak6.88-inch IPS LCD, HD+, 120Hz
ChipsetQualcomm Snapdragon 7s Gen 3Unisoc T7250 (12nm)
RAM8GB/12GB4GB/6GB
Storage128GB/256GB64GB/128GB
Battery7,300 mAh5,200 mAh
Charging90W wired15W wired
Rear cameras50MP main, 2MP depth32MP main
Dimensions163.4 × 76.4 × 7.9 mm171.79 × 77.8 × 8.26 mm
Weight199 g193 g
Water resistanceIP65IP52
Supported untilApr 2028Apr 2029

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