PhoneLifespan

Phone (3) vs 15T Pro

vs

It depends

Too close to call outright

These two are within 1 point overall, so it depends on you: keep phones for years → Phone (3) (supported until Jul 2032); want maximum speed → 15T Pro (MediaTek Dimensity 9400+).

Value Score: Phone (3) 70 · 15T Pro 69 methodology

The lifespan decider

When specs are close, support length decides it — this is what each phone costs per month of safe use.

Nothing Phone (3) $799
Safe to buy$10.94/mo
2025◆ Buy-by Jul 20302032
Xiaomi 15T Pro $650
Safe to buy$12.65/mo
2025◆ Buy-by Sep 20282030

Category by category

Display
Phone (3) 7015T Pro 70

Both displays are effectively the same class.

Performance
Phone (3) 8615T Pro 94

The 15T Pro's MediaTek Dimensity 9400+ is simply the faster chip.

Camera
Phone (3) 7915T Pro 79

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

Battery
Phone (3) 8315T Pro 90

5,500mAh vs 5,150mAh — the 15T Pro lasts longer between charges.

Software longevity
Phone (3) 8715T Pro 61

The Phone (3) is supported until Jul 2032 — 22 months longer than the 15T Pro.

Value
Phone (3) 7015T Pro 69

Pound for pound, these two are equally good deals.

Full spec table
SpecPhone (3)15T Pro
Price (street)$799$650
Display6.67-inch LTPS AMOLED, 120Hz, HDR10+, 960Hz PWM dimming6.83-inch AMOLED, 2772x1280, 144Hz
ChipsetSnapdragon 8s Gen 4MediaTek Dimensity 9400+
RAM12GB/16GB12GB
Storage256GB/512GB256GB/512GB/1TB
Battery5,150 mAh5,500 mAh
Charging65W wired, 15W wireless90W wired, 50W wireless
Rear cameras50MP main, 50MP ultra-wide, 50MP periscope 3x50MP main, 50MP telephoto 5x periscope, 12MP ultra-wide
Dimensions160.6 × 75.6 × 9.0 mm162.7 × 77.9 × 8.0 mm
Weight218 g210 g
Water resistanceIP68IP68
Supported untilJul 2032Sep 2030

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