PhoneLifespan

iPhone 17 Pro vs 400 Pro

vs

It depends

Too close to call outright

These two are within 2 points overall — it genuinely depends on price on the day. The iPhone 17 Pro edges both longevity and performance, so prefer it when prices are close.

Value Score: iPhone 17 Pro 68 · 400 Pro 70 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 17 Pro $1099
Safe to buy$14.61/mo
2025◆ Buy-by Sep 20302032
Honor 400 Pro $700
Safe to buy$11.81/mo
2025◆ Buy-by May 20292031

Category by category

Display
iPhone 17 Pro 90400 Pro 70

The iPhone 17 Pro's screen is the better one — 6.3-inch super retina xdr oled, promotion 1–120hz, up to 3000 nits peak.

Performance
iPhone 17 Pro 100400 Pro 92

The iPhone 17 Pro's Apple A19 Pro is simply the faster chip.

Camera
iPhone 17 Pro 74400 Pro 84

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

Battery
iPhone 17 Pro 65400 Pro 86

5,300mAh vs 4,252mAh — the 400 Pro lasts longer between charges.

Software longevity
iPhone 17 Pro 90400 Pro 71

The iPhone 17 Pro is supported until Sep 2032 — 16 months longer than the 400 Pro.

Value
iPhone 17 Pro 68400 Pro 70

Pound for pound, these two are equally good deals.

Full spec table
SpeciPhone 17 Pro400 Pro
Price (street)$1099$700
Display6.3-inch Super Retina XDR OLED, ProMotion 1–120Hz, up to 3000 nits peak6.7-inch AMOLED, 2800x1280, 120Hz
ChipsetApple A19 ProQualcomm Snapdragon 8 Gen 3
RAM12GB12GB/16GB
Storage256GB/512GB/1TB256GB/512GB
Battery4,252 mAh5,300 mAh
ChargingWired fast charge — 50% in ~20 min with a 40W+ adapter; MagSafe wireless up to 25W (Qi2.2)100W wired, 50W wireless
Rear cameras48MP main, 48MP ultra-wide, 48MP telephoto 4x200MP main, 50MP telephoto 3x, 12MP ultra-wide
Dimensions150 × 71.9 × 8.75 mm160.8 × 76.1 × 8.1 mm
Weight206 g205 g
Water resistanceIP68IP68/IP69
Supported untilSep 2032May 2031

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