PhoneLifespan

Note Edge vs 15T

vs

Winner

Infinix Note Edge

Lifespan decides this one: the Note Edge is supported until Feb 2031 at $4.63 per month of safe use, while the 15T runs out in Sep 2030 ($9.73/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Note Edge 77 · 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.

Infinix Note Edge $260
Safe to buy$4.63/mo
2026◆ Buy-by Feb 20292031
Xiaomi 15T $500
Safe to buy$9.73/mo
2025◆ Buy-by Sep 20282030

Category by category

Display
Note Edge 7015T 70

Both displays are effectively the same class.

Performance
Note Edge 5615T 78

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

Camera
Note Edge 5515T 79

The 15T has the stronger camera system (3 real rear lenses vs 1).

Battery
Note Edge 10015T 90

6,500mAh vs 5,500mAh — the Note Edge lasts longer between charges.

Software longevity
Note Edge 6715T 61

The Note Edge is supported until Feb 2031 — 5 months longer than the 15T.

Value
Note Edge 7715T 70

Overall value goes to the Note Edge at $4.63 per month of safe use.

Full spec table
SpecNote Edge15T
Price (street)$260$500
Display6.78-inch curved AMOLED, 1.5K, 120Hz6.83-inch AMOLED, 2772x1280, 144Hz
ChipsetMediaTek Dimensity 7100MediaTek Dimensity 8400-Ultra
RAM6GB/8GB12GB
Storage128GB/256GB256GB/512GB
Battery6,500 mAh5,500 mAh
Charging45W wired67W wired
Rear cameras50MP main50MP main, 50MP telephoto 2x, 12MP ultra-wide
Dimensions163 × 77.4 × 7.2 mm163.2 × 78.0 × 7.5 mm
Weight190 g194 g
Water resistanceIP65IP68
Supported untilFeb 2031Sep 2030

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