PhoneLifespan

iPhone 15 Pro Max vs ROG Phone 9 Pro

vs

It depends

Too close to call outright

These two are within 4 points overall, so it depends on you: keep phones for years → iPhone 15 Pro Max (supported until Sep 2030); want maximum speed → ROG Phone 9 Pro (Snapdragon 8 Elite).

Value Score: iPhone 15 Pro Max 63 · ROG Phone 9 Pro 59 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$14.87/mo
2023◆ Buy-by Sep 20282030
Asus ROG Phone 9 Pro $1000
Safe to buy$24.36/mo
2024◆ Buy-by Nov 20272029

Category by category

Display
iPhone 15 Pro Max 80ROG Phone 9 Pro 60

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 88ROG Phone 9 Pro 98

The ROG Phone 9 Pro's Snapdragon 8 Elite is simply the faster chip.

Camera
iPhone 15 Pro Max 74ROG Phone 9 Pro 79

The ROG Phone 9 Pro has the stronger camera system — same lens count, higher-grade sensors.

Battery
iPhone 15 Pro Max 68ROG Phone 9 Pro 96

5,800mAh vs 4,422mAh — the ROG Phone 9 Pro lasts longer between charges.

Software longevity
iPhone 15 Pro Max 61ROG Phone 9 Pro 49

The iPhone 15 Pro Max is supported until Sep 2030 — 10 months longer than the ROG Phone 9 Pro.

Value
iPhone 15 Pro Max 63ROG Phone 9 Pro 59

Overall value goes to the iPhone 15 Pro Max at $14.87 per month of safe use.

Full spec table
SpeciPhone 15 Pro MaxROG Phone 9 Pro
Price (street)$760$1000
Display6.7-inch Super Retina XDR OLED, 120Hz ProMotion, Always-On, Dynamic Island, up to 2000 nits peak6.78-inch flexible LTPO AMOLED, FHD+ (1080×2400), 1–185Hz, 2500-nit peak
ChipsetApple A17 ProSnapdragon 8 Elite
RAM8GB16GB/24GB
Storage256GB/512GB/1TB512GB/1TB
Battery4,422 mAh5,800 mAh
ChargingWired ~50% in 30 min with 20W+; MagSafe 15W wireless65W wired (HyperCharge), 15W Qi wireless
Rear cameras48MP main, 12MP ultra-wide, 12MP telephoto50MP main (Sony Lytia 700 1/1.56-inch, gimbal OIS), 13MP ultra-wide (120-degree), 32MP telephoto 3x (OIS)
Dimensions159.9 × 76.7 × 8.25 mm163.8 × 76.8 × 8.9 mm
Weight221 g227 g
Water resistanceIP68IP68
Supported untilSep 2030Nov 2029

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