PhoneLifespan

Phone (3) vs 15 Pro

vs

It depends

Too close to call outright

These two are within 4 points overall, so it depends on you: keep phones for years → Phone (3) (supported until Jul 2032); want maximum speed → 15 Pro (Qualcomm Snapdragon 8 Elite).

Value Score: Phone (3) 70 · 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.

Nothing Phone (3) $799
Safe to buy$10.94/mo
2025◆ Buy-by Jul 20302032
Xiaomi 15 Pro $650
Safe to buy$12.37/mo
2024◆ Buy-by Oct 20282030

Category by category

Display
Phone (3) 7015 Pro 90

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

Performance
Phone (3) 8615 Pro 98

The 15 Pro's Qualcomm Snapdragon 8 Elite is simply the faster chip.

Camera
Phone (3) 7915 Pro 79

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

Battery
Phone (3) 8315 Pro 100

6,100mAh vs 5,150mAh — the 15 Pro lasts longer between charges.

Software longevity
Phone (3) 8715 Pro 63

The Phone (3) is supported until Jul 2032 — 21 months longer than the 15 Pro.

Value
Phone (3) 7015 Pro 74

Overall value goes to the 15 Pro at $12.37 per month of safe use.

Full spec table
SpecPhone (3)15 Pro
Price (street)$799$650
Display6.67-inch LTPS AMOLED, 120Hz, HDR10+, 960Hz PWM dimming6.73-inch LTPO AMOLED, 3200 x 1440, 120Hz
ChipsetSnapdragon 8s Gen 4Qualcomm Snapdragon 8 Elite
RAM12GB/16GB12GB/16GB
Storage256GB/512GB256GB/512GB/1TB
Battery5,150 mAh6,100 mAh
Charging65W wired, 15W wireless90W wired, 50W wireless
Rear cameras50MP main, 50MP ultra-wide, 50MP periscope 3x50MP main, 50MP ultra-wide, 50MP telephoto 5x
Dimensions160.6 × 75.6 × 9.0 mm161.3 × 74.6 × 8.4 mm
Weight218 g213 g
Water resistanceIP68IP68
Supported untilJul 2032Oct 2030

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