15 Ultra vs Civi 4 Pro

Phone 1

Phone 2

Winner

Xiaomi 15 Ultra

Lifespan decides this one: the 15 Ultra is supported until Mar 2030 at $30.36 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: 15 Ultra 65 · 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 15 Ultra $1350

Safe to buy$30.36/mo

2025◆ Buy-by Mar 20282030

Xiaomi Civi 4 Pro $430

Buy with care$20.38/mo

2024◆ Buy-by Mar 20262028

Category by category

Display

15 Ultra 100Civi 4 Pro 80

The 15 Ultra's screen is the better one — 6.73-inch 2k (1440×3200) ltpo amoled, 1–120hz, up to 3200 nits peak.

Performance

15 Ultra 98Civi 4 Pro 82

The 15 Ultra's Qualcomm Snapdragon 8 Elite (3nm) is simply the faster chip.

Camera

15 Ultra 96Civi 4 Pro 79

The 15 Ultra has the stronger camera system (4 real rear lenses vs 3).

Battery

15 Ultra 88Civi 4 Pro 74

5,410mAh vs 4,700mAh — the 15 Ultra lasts longer between charges.

Software longevity

15 Ultra 53Civi 4 Pro 25

The 15 Ultra is supported until Mar 2030 — 23 months longer than the Civi 4 Pro.

Value

15 Ultra 65Civi 4 Pro 65

Pound for pound, these two are equally good deals.

Full spec table

Spec	15 Ultra	Civi 4 Pro
Price (street)	$1350	$430
Display	6.73-inch 2K (1440×3200) LTPO AMOLED, 1–120Hz, up to 3200 nits peak	6.55-inch AMOLED, 1.5K, 120Hz, 3000 nits peak
Chipset	Qualcomm Snapdragon 8 Elite (3nm)	Qualcomm Snapdragon 8s Gen 3 (4nm)
RAM	16GB	12GB/16GB
Storage	512GB/1TB	256GB/512GB
Battery	5,410 mAh	4,700 mAh
Charging	90W wired, 80W wireless	67W wired
Rear cameras	50MP main, 50MP ultra-wide, 50MP telephoto (70mm floating), 200MP periscope telephoto	50MP main, 50MP telephoto, 12MP ultra-wide
Dimensions	161.3 × 75.3 × 9.35 mm	157.2 × 72.8 × 7.5 mm
Weight	226 g	179 g
Water resistance	IP68	IP54
Supported until	Mar 2030	Mar 2028

15 Ultra 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.