PhoneLifespan

Mate X6 vs 15T Pro

vs

Winner

Xiaomi 15T Pro

Lifespan decides this one: the 15T Pro is supported until Sep 2030 at $12.65 per month of safe use, while the Mate X6 runs out in Dec 2028 ($57.20/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Mate X6 51 · 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.

Huawei Mate X6 $1700
Buy with care$57.20/mo
2024◆ Buy-by Dec 20262028
Xiaomi 15T Pro $650
Safe to buy$12.65/mo
2025◆ Buy-by Sep 20282030

Category by category

Display
Mate X6 8015T Pro 70

The Mate X6's screen is the better one — 7.93-inch foldable ltpo oled main (2440x2240, 120hz) + 6.45-inch ltpo oled cover (120hz).

Performance
Mate X6 8515T Pro 94

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

Camera
Mate X6 7915T Pro 79

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

Battery
Mate X6 8215T Pro 90

5,500mAh vs 5,110mAh — the 15T Pro lasts longer between charges.

Software longevity
Mate X6 3515T Pro 61

The 15T Pro is supported until Sep 2030 — 22 months longer than the Mate X6.

Value
Mate X6 5115T Pro 69

Overall value goes to the 15T Pro at $12.65 per month of safe use.

Full spec table
SpecMate X615T Pro
Price (street)$1700$650
Display7.93-inch foldable LTPO OLED main (2440x2240, 120Hz) + 6.45-inch LTPO OLED cover (120Hz)6.83-inch AMOLED, 2772x1280, 144Hz
ChipsetHiSilicon Kirin 9020MediaTek Dimensity 9400+
RAM12GB/16GB12GB
Storage256GB/512GB/1TB256GB/512GB/1TB
Battery5,110 mAh5,500 mAh
Charging66W wired, 50W wireless, reverse wireless90W wired, 50W wireless
Rear cameras50MP main (variable aperture f/1.0-4.0, OIS), 40MP ultra-wide, 48MP telephoto 4x periscope OIS50MP main, 50MP telephoto 5x periscope, 12MP ultra-wide
DimensionsUnfolded 156.0 × 144.1 × 4.6 mm; folded 156.0 × 73.7 × 9.85 mm162.7 × 77.9 × 8.0 mm
Weight239 g210 g
Water resistanceIP68/IP69IP68
Supported untilDec 2028Sep 2030

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