PhoneLifespan

iPhone 15 Pro Max vs 400 Pro

vs

Winner

Honor 400 Pro

The 400 Pro wins this one, taking battery and camera decisively. Against the iPhone 15 Pro Max it's also the sounder buy at $11.81 per month of safe use.

Value Score: iPhone 15 Pro Max 63 · 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 15 Pro Max $760
Safe to buy$14.81/mo
2023◆ Buy-by Sep 20282030
Honor 400 Pro $700
Safe to buy$11.81/mo
2025◆ Buy-by May 20292031

Category by category

Display
iPhone 15 Pro Max 80400 Pro 70

The iPhone 15 Pro Max's screen is the better one — 6.7-inch super retina xdr oled, 120hz promotion, always-on, dynamic island, up to 2000 nits peak.

Performance
iPhone 15 Pro Max 88400 Pro 92

The 400 Pro's Qualcomm Snapdragon 8 Gen 3 is simply the faster chip.

Camera
iPhone 15 Pro Max 74400 Pro 84

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

Battery
iPhone 15 Pro Max 68400 Pro 86

5,300mAh vs 4,422mAh — the 400 Pro lasts longer between charges.

Software longevity
iPhone 15 Pro Max 61400 Pro 71

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

Value
iPhone 15 Pro Max 63400 Pro 70

Overall value goes to the 400 Pro at $11.81 per month of safe use.

Full spec table
SpeciPhone 15 Pro Max400 Pro
Price (street)$760$700
Display6.7-inch Super Retina XDR OLED, 120Hz ProMotion, Always-On, Dynamic Island, up to 2000 nits peak6.7-inch AMOLED, 2800x1280, 120Hz
ChipsetApple A17 ProQualcomm Snapdragon 8 Gen 3
RAM8GB12GB/16GB
Storage256GB/512GB/1TB256GB/512GB
Battery4,422 mAh5,300 mAh
ChargingWired ~50% in 30 min with 20W+; MagSafe 15W wireless100W wired, 50W wireless
Rear cameras48MP main, 12MP ultra-wide, 12MP telephoto200MP main, 50MP telephoto 3x, 12MP ultra-wide
Dimensions159.9 × 76.7 × 8.25 mm160.8 × 76.1 × 8.1 mm
Weight221 g205 g
Water resistanceIP68IP68/IP69
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.