PhoneLifespan

iPhone 16 Pro vs 400

vs

It depends

Too close to call outright

These two are within 3 points overall — it genuinely depends on price on the day. The iPhone 16 Pro edges both longevity and performance, so prefer it when prices are close.

Value Score: iPhone 16 Pro 73 · 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 16 Pro $494
Safe to buy$7.83/mo
2024◆ Buy-by Sep 20292031
Honor 400 $350
Safe to buy$5.92/mo
2025◆ Buy-by May 20292031

Category by category

Display
iPhone 16 Pro 80400 80

Both displays are effectively the same class.

Performance
iPhone 16 Pro 95400 64

The iPhone 16 Pro's Apple A18 Pro is simply the faster chip.

Camera
iPhone 16 Pro 74400 72

Camera systems are comparable on paper — pick by sample photos.

Battery
iPhone 16 Pro 52400 86

5,300mAh vs 3,582mAh — the 400 lasts longer between charges.

Software longevity
iPhone 16 Pro 75400 70

The iPhone 16 Pro is supported until Sep 2031 — 4 months longer than the 400.

Value
iPhone 16 Pro 73400 76

Pound for pound, these two are equally good deals.

Full spec table
SpeciPhone 16 Pro400
Price (street)$494$350
Display6.3-inch Super Retina XDR OLED, ProMotion 1–120Hz, up to 2000 nits peak6.55-inch AMOLED, 1.5K, 120Hz, 5000 nits peak
ChipsetApple A18 ProQualcomm Snapdragon 7 Gen 3 (4nm)
RAM8GB8GB/12GB
Storage128GB/256GB/512GB/1TB256GB/512GB
Battery3,582 mAh5,300 mAh
ChargingWired fast charge — 50% in ~30 min with a 20W+ adapter; MagSafe wireless up to 25W66W wired (5300mAh EU model), 5W reverse wired
Rear cameras48MP main, 48MP ultra-wide, 12MP periscope 5x200MP main, 12MP ultra-wide
Dimensions149.6 × 71.5 × 8.25 mm156.5 × 74.6 × 7.3 mm
Weight199 g184 g
Water resistanceIP68IP65/IP66 (market dependent)
Supported untilSep 2031May 2031

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