iPhone 13 Pro Max vs 13T

Phone 1

Phone 2

Winner

OnePlus 13T

Lifespan decides this one: the 13T is supported until Apr 2031 at $8.57 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 · 13T 78 — 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

OnePlus 13T $500

Safe to buy$8.57/mo

2025◆ Buy-by Apr 20292031

Category by category

Display

iPhone 13 Pro Max 8013T 80

Both displays are effectively the same class.

Performance

iPhone 13 Pro Max 7413T 98

The 13T's Qualcomm Snapdragon 8 Elite is simply the faster chip.

Camera

iPhone 13 Pro Max 6413T 67

Camera systems are comparable on paper — pick by sample photos.

Battery

iPhone 13 Pro Max 6713T 100

6,260mAh vs 4,352mAh — the 13T lasts longer between charges.

Software longevity

iPhone 13 Pro Max 3313T 69

The 13T is supported until Apr 2031 — 31 months longer than the iPhone 13 Pro Max.

Value

iPhone 13 Pro Max 6313T 78

Overall value goes to the 13T at $8.57 per month of safe use.

Full spec table

Spec	iPhone 13 Pro Max	13T
Price (street)	$383	$500
Display	6.7-inch Super Retina XDR OLED, ProMotion 120Hz, 1200 nits HDR peak	6.32-inch LTPO AMOLED, 2640x1216, 120Hz
Chipset	Apple A15 Bionic	Qualcomm Snapdragon 8 Elite
RAM	6GB	12GB/16GB
Storage	128GB/256GB/512GB/1TB	256GB/512GB/1TB
Battery	4,352 mAh	6,260 mAh
Charging	20W wired (50% in ~30 min), MagSafe 15W wireless	80W wired
Rear cameras	12MP main, 12MP ultra-wide, 12MP telephoto 3x	50MP main, 50MP telephoto 2x
Dimensions	160.8 × 78.1 × 7.65 mm	150.8 × 71.8 × 8.2 mm
Weight	240 g	185 g
Water resistance	IP68	IP65
Supported until	Sep 2028	Apr 2031

iPhone 13 Pro Max full verdict →13T 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.