15T Pro vs Civi 4 Pro

Phone 1

Phone 2

Winner

Xiaomi 15T Pro

Lifespan decides this one: the 15T Pro is supported until Sep 2030 at $12.69 per month of safe use, while the Civi 4 Pro runs out in Mar 2028 ($20.38/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: 15T Pro 69 · Civi 4 Pro 65 — methodology

The lifespan decider

When specs are close, support length decides it — this is what each phone costs per month of safe use.

Xiaomi 15T Pro $650

Safe to buy$12.69/mo

2025◆ Buy-by Sep 20282030

Xiaomi Civi 4 Pro $430

Buy with care$20.38/mo

2024◆ Buy-by Mar 20262028

Category by category

Display

15T Pro 70Civi 4 Pro 80

The Civi 4 Pro's screen is the better one — 6.55-inch amoled, 1.5k, 120hz, 3000 nits peak.

Performance

15T Pro 94Civi 4 Pro 82

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

Camera

15T Pro 79Civi 4 Pro 79

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

Battery

15T Pro 90Civi 4 Pro 74

5,500mAh vs 4,700mAh — the 15T Pro lasts longer between charges.

Software longevity

15T Pro 61Civi 4 Pro 25

The 15T Pro is supported until Sep 2030 — 30 months longer than the Civi 4 Pro.

Value

15T Pro 69Civi 4 Pro 65

Overall value goes to the 15T Pro at $12.69 per month of safe use.

Full spec table

Spec	15T Pro	Civi 4 Pro
Price (street)	$650	$430
Display	6.83-inch AMOLED, 2772x1280, 144Hz	6.55-inch AMOLED, 1.5K, 120Hz, 3000 nits peak
Chipset	MediaTek Dimensity 9400+	Qualcomm Snapdragon 8s Gen 3 (4nm)
RAM	12GB	12GB/16GB
Storage	256GB/512GB/1TB	256GB/512GB
Battery	5,500 mAh	4,700 mAh
Charging	90W wired, 50W wireless	67W wired
Rear cameras	50MP main, 50MP telephoto 5x periscope, 12MP ultra-wide	50MP main, 50MP telephoto, 12MP ultra-wide
Dimensions	162.7 × 77.9 × 8.0 mm	157.2 × 72.8 × 7.5 mm
Weight	210 g	179 g
Water resistance	IP68	IP54
Supported until	Sep 2030	Mar 2028

15T Pro full verdict →Civi 4 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.