PhoneLifespan

13T vs 15 Pro

vs

It depends

Too close to call outright

These two are within 4 points overall — it genuinely depends on price on the day. The 13T edges both longevity and performance, so prefer it when prices are close.

Value Score: 13T 78 · 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.

OnePlus 13T $500
Safe to buy$8.57/mo
2025◆ Buy-by Apr 20292031
Xiaomi 15 Pro $650
Safe to buy$12.38/mo
2024◆ Buy-by Oct 20282030

Category by category

Display
13T 8015 Pro 90

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

Performance
13T 9815 Pro 98

Performance is a wash — same chip tier.

Camera
13T 6715 Pro 79

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

Battery
13T 10015 Pro 100

Battery capacities are close enough not to decide this.

Software longevity
13T 6915 Pro 63

The 13T is supported until Apr 2031 — 6 months longer than the 15 Pro.

Value
13T 7815 Pro 74

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

Full spec table
Spec13T15 Pro
Price (street)$500$650
Display6.32-inch LTPO AMOLED, 2640x1216, 120Hz6.73-inch LTPO AMOLED, 3200 x 1440, 120Hz
ChipsetQualcomm Snapdragon 8 EliteQualcomm Snapdragon 8 Elite
RAM12GB/16GB12GB/16GB
Storage256GB/512GB/1TB256GB/512GB/1TB
Battery6,260 mAh6,100 mAh
Charging80W wired90W wired, 50W wireless
Rear cameras50MP main, 50MP telephoto 2x50MP main, 50MP ultra-wide, 50MP telephoto 5x
Dimensions150.8 × 71.8 × 8.2 mm161.3 × 74.6 × 8.4 mm
Weight185 g213 g
Water resistanceIP65IP68
Supported untilApr 2031Oct 2030

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