PhoneLifespan

iPhone 13 Pro Max vs 13

vs

It depends

Too close to call outright

These two are within 1 point overall, so it depends on you: keep phones for years → iPhone 13 Pro Max (supported until Sep 2028); want maximum speed → 13 (Qualcomm Snapdragon 8 Gen 2).

Value Score: iPhone 13 Pro Max 63 · 13 64 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 13 Pro Max $383
Buy with care$13.98/mo
2021◆ Buy-by Sep 20262028
Xiaomi 13 $400
Buy with care$22.19/mo
2022◆ Buy-by Dec 20252027

Category by category

Display
iPhone 13 Pro Max 8013 70

The iPhone 13 Pro Max's screen is the better one — 6.7-inch super retina xdr oled, promotion 120hz, 1200 nits hdr peak.

Performance
iPhone 13 Pro Max 7413 85

The 13's Qualcomm Snapdragon 8 Gen 2 is simply the faster chip.

Camera
iPhone 13 Pro Max 6413 79

The 13 has the stronger camera system — same lens count, higher-grade sensors.

Battery
iPhone 13 Pro Max 6713 70

Battery capacities are close enough not to decide this.

Software longevity
iPhone 13 Pro Max 3313 21

The iPhone 13 Pro Max is supported until Sep 2028 — 9 months longer than the 13.

Value
iPhone 13 Pro Max 6313 64

Pound for pound, these two are equally good deals.

Full spec table
SpeciPhone 13 Pro Max13
Price (street)$383$400
Display6.7-inch Super Retina XDR OLED, ProMotion 120Hz, 1200 nits HDR peak6.36-inch AMOLED, 2400 x 1080, 120Hz
ChipsetApple A15 BionicQualcomm Snapdragon 8 Gen 2
RAM6GB8GB/12GB
Storage128GB/256GB/512GB/1TB128GB/256GB/512GB
Battery4,352 mAh4,500 mAh
Charging20W wired (50% in ~30 min), MagSafe 15W wireless67W wired, 50W wireless
Rear cameras12MP main, 12MP ultra-wide, 12MP telephoto 3x50MP main, 12MP ultra-wide, 10MP telephoto 3.2x
Dimensions160.8 × 78.1 × 7.65 mm152.8 × 71.5 × 8.0 mm
Weight240 g189 g
Water resistanceIP68IP68
Supported untilSep 2028Dec 2027

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