X100 Pro vs 15T Pro

Phone 1

Phone 2

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 X100 Pro runs out in Nov 2028 ($26.63/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: X100 Pro 62 · 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.

Vivo X100 Pro $780

Buy with care$26.63/mo

2023◆ Buy-by Nov 20262028

Xiaomi 15T Pro $650

Safe to buy$12.65/mo

2025◆ Buy-by Sep 20282030

Category by category

Display

X100 Pro 9015T Pro 70

The X100 Pro's screen is the better one — 6.78-inch ltpo amoled, 2800x1260, 120hz, up to 3000 nits peak.

Performance

X100 Pro 9315T Pro 94

Performance is a wash — same chip tier.

Camera

X100 Pro 7915T Pro 79

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

Battery

X100 Pro 8815T Pro 90

Battery capacities are close enough not to decide this.

Software longevity

X100 Pro 3515T Pro 61

The 15T Pro is supported until Sep 2030 — 22 months longer than the X100 Pro.

Value

X100 Pro 6215T Pro 69

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

Full spec table

Spec	X100 Pro	15T Pro
Price (street)	$780	$650
Display	6.78-inch LTPO AMOLED, 2800x1260, 120Hz, up to 3000 nits peak	6.83-inch AMOLED, 2772x1280, 144Hz
Chipset	MediaTek Dimensity 9300	MediaTek Dimensity 9400+
RAM	12GB/16GB	12GB
Storage	256GB/512GB	256GB/512GB/1TB
Battery	5,400 mAh	5,500 mAh
Charging	100W wired, 50W wireless	90W wired, 50W wireless
Rear cameras	50MP main, 50MP ultra-wide, 50MP telephoto 4.3x periscope	50MP main, 50MP telephoto 5x periscope, 12MP ultra-wide
Dimensions	164.1 × 75.3 × 9.0 mm	162.7 × 77.9 × 8.0 mm
Weight	221 g	210 g
Water resistance	IP68	IP68
Supported until	Nov 2028	Sep 2030

X100 Pro full verdict →15T Pro 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.