PhoneLifespan

iPhone 17 Pro Max vs ROG Phone 9

vs

Winner

Apple iPhone 17 Pro Max

The iPhone 17 Pro Max wins this one, taking software longevity and display decisively. Against the ROG Phone 9 it's also the sounder buy at $15.94 per month of safe use.

Value Score: iPhone 17 Pro Max 69 · ROG Phone 9 58 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 Max $1199
Safe to buy$15.94/mo
2025◆ Buy-by Sep 20302032
Asus ROG Phone 9 $999
Safe to buy$24.23/mo
2024◆ Buy-by Nov 20272029

Category by category

Display
iPhone 17 Pro Max 90ROG Phone 9 60

The iPhone 17 Pro Max's screen is the better one — 6.9-inch super retina xdr oled, promotion 1–120hz, up to 3000 nits peak.

Performance
iPhone 17 Pro Max 100ROG Phone 9 98

Performance is a wash — same chip tier.

Camera
iPhone 17 Pro Max 74ROG Phone 9 67

The iPhone 17 Pro Max has the stronger camera system (3 real rear lenses vs 2).

Battery
iPhone 17 Pro Max 82ROG Phone 9 96

5,800mAh vs 5,088mAh — the ROG Phone 9 lasts longer between charges.

Software longevity
iPhone 17 Pro Max 90ROG Phone 9 49

The iPhone 17 Pro Max is supported until Sep 2032 — 34 months longer than the ROG Phone 9.

Value
iPhone 17 Pro Max 69ROG Phone 9 58

Overall value goes to the iPhone 17 Pro Max at $15.94 per month of safe use.

Full spec table
SpeciPhone 17 Pro MaxROG Phone 9
Price (street)$1199$999
Display6.9-inch Super Retina XDR OLED, ProMotion 1–120Hz, up to 3000 nits peak6.78-inch LTPO AMOLED, 1080x2400, 185Hz
ChipsetApple A19 ProQualcomm Snapdragon 8 Elite
RAM12GB12GB/16GB
Storage256GB/512GB/1TB/2TB256GB/512GB
Battery5,088 mAh5,800 mAh
ChargingWired fast charge — 50% in ~20 min with a 40W+ adapter; MagSafe wireless up to 25W (Qi2.2)65W wired, 15W wireless
Rear cameras48MP main, 48MP ultra-wide, 48MP telephoto 4x50MP main, 13MP ultra-wide, 5MP macro
Dimensions163.4 × 78 × 8.75 mm163.8 × 76.8 × 8.9 mm
Weight233 g227 g
Water resistanceIP68IP68
Supported untilSep 2032Nov 2029

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