iPhone 13 Pro Max vs 15T

Phone 1

Phone 2

Winner

Xiaomi 15T

Lifespan decides this one: the 15T is supported until Sep 2030 at $9.73 per month of safe use, while the iPhone 13 Pro Max runs out in Sep 2028 ($13.99/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: iPhone 13 Pro Max 63 · 15T 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 13 Pro Max $383

Buy with care$13.99/mo

2021◆ Buy-by Sep 20262028

Xiaomi 15T $500

Safe to buy$9.73/mo

2025◆ Buy-by Sep 20282030

Category by category

Display

iPhone 13 Pro Max 8015T 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 7415T 78

The 15T's MediaTek Dimensity 8400-Ultra is simply the faster chip.

Camera

iPhone 13 Pro Max 6415T 79

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

Battery

iPhone 13 Pro Max 6715T 90

5,500mAh vs 4,352mAh — the 15T lasts longer between charges.

Software longevity

iPhone 13 Pro Max 3315T 61

The 15T is supported until Sep 2030 — 24 months longer than the iPhone 13 Pro Max.

Value

iPhone 13 Pro Max 6315T 70

Overall value goes to the 15T at $9.73 per month of safe use.

Full spec table

Spec	iPhone 13 Pro Max	15T
Price (street)	$383	$500
Display	6.7-inch Super Retina XDR OLED, ProMotion 120Hz, 1200 nits HDR peak	6.83-inch AMOLED, 2772x1280, 144Hz
Chipset	Apple A15 Bionic	MediaTek Dimensity 8400-Ultra
RAM	6GB	12GB
Storage	128GB/256GB/512GB/1TB	256GB/512GB
Battery	4,352 mAh	5,500 mAh
Charging	20W wired (50% in ~30 min), MagSafe 15W wireless	67W wired
Rear cameras	12MP main, 12MP ultra-wide, 12MP telephoto 3x	50MP main, 50MP telephoto 2x, 12MP ultra-wide
Dimensions	160.8 × 78.1 × 7.65 mm	163.2 × 78.0 × 7.5 mm
Weight	240 g	194 g
Water resistance	IP68	IP68
Supported until	Sep 2028	Sep 2030

iPhone 13 Pro Max full verdict →15T full verdict →Longevity master board →

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