PhoneLifespan

90 GT vs 15T

vs

Winner

Xiaomi 15T

Lifespan decides this one: the 15T is supported until Sep 2030 at $9.76 per month of safe use, while the 90 GT runs out in Dec 2027 ($16.58/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: 90 GT 69 · 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.

Honor 90 GT $300
Buy with care$16.58/mo
2023◆ Buy-by Dec 20252027
Xiaomi 15T $500
Safe to buy$9.76/mo
2025◆ Buy-by Sep 20282030

Category by category

Display
90 GT 8015T 70

The 90 GT's screen is the better one — 6.7-inch amoled, 120hz, 2600 nits peak.

Performance
90 GT 8515T 78

The 90 GT's Snapdragon 8 Gen 2 is simply the faster chip.

Camera
90 GT 6715T 79

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

Battery
90 GT 8015T 90

5,500mAh vs 5,000mAh — the 15T lasts longer between charges.

Software longevity
90 GT 2215T 61

The 15T is supported until Sep 2030 — 33 months longer than the 90 GT.

Value
90 GT 6915T 70

Pound for pound, these two are equally good deals.

Full spec table
Spec90 GT15T
Price (street)$300$500
Display6.7-inch AMOLED, 120Hz, 2600 nits peak6.83-inch AMOLED, 2772x1280, 144Hz
ChipsetSnapdragon 8 Gen 2MediaTek Dimensity 8400-Ultra
RAM12GB/16GB/24GB12GB
Storage256GB/512GB/1TB256GB/512GB
Battery5,000 mAh5,500 mAh
Charging100W wired67W wired
Rear cameras50MP main, 12MP ultra-wide50MP main, 50MP telephoto 2x, 12MP ultra-wide
Dimensions161 x 74.2 x 7.9 mm163.2 × 78.0 × 7.5 mm
Weight185 g194 g
Water resistanceNoneIP68
Supported untilDec 2027Sep 2030
90 GT 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.