5 vs 15T

Phone 1

Phone 2

Winner

Xiaomi 15T

The 15T wins this one, taking battery and performance decisively. Against the 5 it's also the sounder buy at $9.76 per month of safe use.

Value Score: 5 57 · 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.

Fairphone 5 $600

Safe to buy$9.54/mo

2023◆ Buy-by Sep 20292031

Xiaomi 15T $500

Safe to buy$9.76/mo

2025◆ Buy-by Sep 20282030

Category by category

Display

5 5015T 70

The 15T's screen is the better one — 6.83-inch amoled, 2772x1280, 144hz.

Performance

5 5515T 78

The 15T's MediaTek Dimensity 8400-Ultra is simply the faster chip.

Camera

5 6715T 79

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

Battery

5 6415T 90

5,500mAh vs 4,200mAh — the 15T lasts longer between charges.

Software longevity

5 7515T 61

The 5 is supported until Sep 2031 — 12 months longer than the 15T.

Value

5 5715T 70

Overall value goes to the 15T at $9.76 per month of safe use.

Full spec table

Spec	5	15T
Price (street)	$600	$500
Display	6.46-inch OLED, FHD+, 90Hz, Gorilla Glass 5	6.83-inch AMOLED, 2772x1280, 144Hz
Chipset	Qualcomm QCM6490 (6nm)	MediaTek Dimensity 8400-Ultra
RAM	8GB	12GB
Storage	256GB	256GB/512GB
Battery	4,200 mAh	5,500 mAh
Charging	30W wired; user-removable battery	67W wired
Rear cameras	50MP main, 50MP ultra-wide	50MP main, 50MP telephoto 2x, 12MP ultra-wide
Dimensions	161.6 × 75.8 × 9.6 mm	163.2 × 78.0 × 7.5 mm
Weight	212 g	194 g
Water resistance	IP55 (also MIL-STD-810H)	IP68
Supported until	Sep 2031	Sep 2030

5 full verdict →15T 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.