PhoneLifespan

iPhone 15 Pro Max vs 15 Pro

vs

Winner

Xiaomi 15 Pro

The 15 Pro wins this one, taking battery and display decisively. Against the iPhone 15 Pro Max it's also the sounder buy at $12.37 per month of safe use.

Value Score: iPhone 15 Pro Max 63 · 15 Pro 74 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
Xiaomi 15 Pro $650
Safe to buy$12.37/mo
2024◆ Buy-by Oct 20282030

Category by category

Display
iPhone 15 Pro Max 8015 Pro 90

The 15 Pro's screen is the better one — 6.73-inch ltpo amoled, 3200 x 1440, 120hz.

Performance
iPhone 15 Pro Max 8815 Pro 98

The 15 Pro's Qualcomm Snapdragon 8 Elite is simply the faster chip.

Camera
iPhone 15 Pro Max 7415 Pro 79

The 15 Pro has the stronger camera system — same lens count, higher-grade sensors.

Battery
iPhone 15 Pro Max 6815 Pro 100

6,100mAh vs 4,422mAh — the 15 Pro lasts longer between charges.

Software longevity
iPhone 15 Pro Max 6115 Pro 63

Both phones' support windows end around the same time.

Value
iPhone 15 Pro Max 6315 Pro 74

Overall value goes to the 15 Pro at $12.37 per month of safe use.

Full spec table
SpeciPhone 15 Pro Max15 Pro
Price (street)$760$650
Display6.7-inch Super Retina XDR OLED, 120Hz ProMotion, Always-On, Dynamic Island, up to 2000 nits peak6.73-inch LTPO AMOLED, 3200 x 1440, 120Hz
ChipsetApple A17 ProQualcomm Snapdragon 8 Elite
RAM8GB12GB/16GB
Storage256GB/512GB/1TB256GB/512GB/1TB
Battery4,422 mAh6,100 mAh
ChargingWired ~50% in 30 min with 20W+; MagSafe 15W wireless90W wired, 50W wireless
Rear cameras48MP main, 12MP ultra-wide, 12MP telephoto50MP main, 50MP ultra-wide, 50MP telephoto 5x
Dimensions159.9 × 76.7 × 8.25 mm161.3 × 74.6 × 8.4 mm
Weight221 g213 g
Water resistanceIP68IP68
Supported untilSep 2030Oct 2030

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