PhoneLifespan

iPhone 15 vs 400

vs

Winner

Honor 400

The 400 wins this one, taking battery and display decisively. Against the iPhone 15 it's also the sounder buy at $5.92 per month of safe use.

Value Score: iPhone 15 62 · 400 76 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
Honor 400 $350
Safe to buy$5.92/mo
2025◆ Buy-by May 20292031

Category by category

Display
iPhone 15 50400 80

The 400's screen is the better one — 6.55-inch amoled, 1.5k, 120hz, 5000 nits peak.

Performance
iPhone 15 80400 64

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

Camera
iPhone 15 62400 72

The 400 has the stronger camera system — same lens count, higher-grade sensors.

Battery
iPhone 15 47400 86

5,300mAh vs 3,349mAh — the 400 lasts longer between charges.

Software longevity
iPhone 15 61400 70

The 400 is supported until May 2031 — 8 months longer than the iPhone 15.

Value
iPhone 15 62400 76

Overall value goes to the 400 at $5.92 per month of safe use.

Full spec table
SpeciPhone 15400
Price (street)$430$350
Display6.1-inch Super Retina XDR OLED, 60Hz, Dynamic Island, up to 2000 nits peak6.55-inch AMOLED, 1.5K, 120Hz, 5000 nits peak
ChipsetApple A16 BionicQualcomm Snapdragon 7 Gen 3 (4nm)
RAM6GB8GB/12GB
Storage128GB/256GB/512GB256GB/512GB
Battery3,349 mAh5,300 mAh
ChargingWired ~50% in 30 min with 20W+; MagSafe 15W wireless66W wired (5300mAh EU model), 5W reverse wired
Rear cameras48MP main, 12MP ultra-wide200MP main, 12MP ultra-wide
Dimensions147.6 × 71.6 × 7.80 mm156.5 × 74.6 × 7.3 mm
Weight171 g184 g
Water resistanceIP68IP65/IP66 (market dependent)
Supported untilSep 2030May 2031

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