PhoneLifespan

iPhone SE (3rd gen) vs 400

vs

Winner

Honor 400

Lifespan decides this one: the 400 is supported until May 2031 at $5.92 per month of safe use, while the iPhone SE (3rd gen) runs out in Mar 2029 ($3.03/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: iPhone SE (3rd gen) 56 · 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 SE (3rd gen) $100
Buy with care$3.03/mo
2022◆ Buy-by Mar 20272029
Honor 400 $350
Safe to buy$5.92/mo
2025◆ Buy-by May 20292031

Category by category

Display
iPhone SE (3rd gen) 50400 80

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

Performance
iPhone SE (3rd gen) 74400 64

The iPhone SE (3rd gen)'s Apple A15 Bionic is simply the faster chip.

Camera
iPhone SE (3rd gen) 40400 72

The 400 has the stronger camera system (2 real rear lenses vs 1).

Battery
iPhone SE (3rd gen) 20400 86

5,300mAh vs 2,018mAh — the 400 lasts longer between charges.

Software longevity
iPhone SE (3rd gen) 39400 70

The 400 is supported until May 2031 — 26 months longer than the iPhone SE (3rd gen).

Value
iPhone SE (3rd gen) 56400 76

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

Full spec table
SpeciPhone SE (3rd gen)400
Price (street)$100$350
Display4.7-inch Retina HD LCD, 60Hz6.55-inch AMOLED, 1.5K, 120Hz, 5000 nits peak
ChipsetApple A15 BionicQualcomm Snapdragon 7 Gen 3 (4nm)
RAM4GB8GB/12GB
Storage64GB/128GB/256GB256GB/512GB
Battery2,018 mAh5,300 mAh
Charging20W wired, Qi wireless 7.5W66W wired (5300mAh EU model), 5W reverse wired
Rear cameras12MP main200MP main, 12MP ultra-wide
Dimensions138.4 × 67.3 × 7.3 mm156.5 × 74.6 × 7.3 mm
Weight144 g184 g
Water resistanceIP67IP65/IP66 (market dependent)
Supported untilMar 2029May 2031
iPhone SE (3rd gen) full verdict →400 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.