PhoneLifespan

13T vs 15T

vs

Winner

OnePlus 13T

The 13T wins this one, taking performance and display decisively. Against the 15T it's also the sounder buy at $8.57 per month of safe use.

Value Score: 13T 78 · 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.

OnePlus 13T $500
Safe to buy$8.57/mo
2025◆ Buy-by Apr 20292031
Xiaomi 15T $500
Safe to buy$9.73/mo
2025◆ Buy-by Sep 20282030

Category by category

Display
13T 8015T 70

The 13T's screen is the better one — 6.32-inch ltpo amoled, 2640x1216, 120hz.

Performance
13T 9815T 78

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

Camera
13T 6715T 79

The 15T has the stronger camera system (3 real rear lenses vs 2).

Battery
13T 10015T 90

6,260mAh vs 5,500mAh — the 13T lasts longer between charges.

Software longevity
13T 6915T 61

The 13T is supported until Apr 2031 — 7 months longer than the 15T.

Value
13T 7815T 70

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

Full spec table
Spec13T15T
Price (street)$500$500
Display6.32-inch LTPO AMOLED, 2640x1216, 120Hz6.83-inch AMOLED, 2772x1280, 144Hz
ChipsetQualcomm Snapdragon 8 EliteMediaTek Dimensity 8400-Ultra
RAM12GB/16GB12GB
Storage256GB/512GB/1TB256GB/512GB
Battery6,260 mAh5,500 mAh
Charging80W wired67W wired
Rear cameras50MP main, 50MP telephoto 2x50MP main, 50MP telephoto 2x, 12MP ultra-wide
Dimensions150.8 × 71.8 × 8.2 mm163.2 × 78.0 × 7.5 mm
Weight185 g194 g
Water resistanceIP65IP68
Supported untilApr 2031Sep 2030

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