PhoneLifespan

iPhone 15 vs T4 5G

vs

Winner

Apple iPhone 15

Lifespan decides this one: the iPhone 15 is supported until Sep 2030 at $8.40 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: iPhone 15 62 · T4 5G 72 — 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 15 $430
Safe to buy$8.40/mo
2023◆ Buy-by Sep 20282030
Vivo T4 5G $260
Buy with care$11.62/mo
2025◆ Buy-by Apr 20262028

Category by category

Display
iPhone 15 50T4 5G 80

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

Performance
iPhone 15 80T4 5G 64

The iPhone 15's Apple A16 Bionic is simply the faster chip.

Camera
iPhone 15 62T4 5G 55

The iPhone 15 has the stronger camera system (2 real rear lenses vs 1).

Battery
iPhone 15 47T4 5G 100

7,300mAh vs 3,349mAh — the T4 5G lasts longer between charges.

Software longevity
iPhone 15 61T4 5G 27

The iPhone 15 is supported until Sep 2030 — 29 months longer than the T4 5G.

Value
iPhone 15 62T4 5G 72

Overall value goes to the T4 5G at $11.62 per month of safe use.

Full spec table
SpeciPhone 15T4 5G
Price (street)$430$260
Display6.1-inch Super Retina XDR OLED, 60Hz, Dynamic Island, up to 2000 nits peak6.77-inch AMOLED, FHD+, 120Hz, 5000 nits peak
ChipsetApple A16 BionicQualcomm Snapdragon 7s Gen 3
RAM6GB8GB/12GB
Storage128GB/256GB/512GB128GB/256GB
Battery3,349 mAh7,300 mAh
ChargingWired ~50% in 30 min with 20W+; MagSafe 15W wireless90W wired
Rear cameras48MP main, 12MP ultra-wide50MP main, 2MP depth
Dimensions147.6 × 71.6 × 7.80 mm163.4 × 76.4 × 7.9 mm
Weight171 g199 g
Water resistanceIP68IP65
Supported untilSep 2030Apr 2028
iPhone 15 full verdict →T4 5G 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.