12 vs 15 Pro

Phone 1

Phone 2

Winner

Xiaomi 15 Pro

Lifespan decides this one: the 15 Pro is supported until Oct 2030 at $12.42 per month of safe use, while the 12 runs out in Jan 2029 ($16.04/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: 12 72 · 15 Pro 74 — methodology

The lifespan decider

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

OnePlus 12 $500

Buy with care$16.04/mo

2024◆ Buy-by Jan 20272029

Xiaomi 15 Pro $650

Safe to buy$12.42/mo

2024◆ Buy-by Oct 20282030

Category by category

Display

12 10015 Pro 90

The 12's screen is the better one — 6.82-inch ltpo amoled proxdr, qhd+ (3168×1440), 1–120hz, up to 4500 nits peak.

Performance

12 9215 Pro 98

The 15 Pro's Qualcomm Snapdragon 8 Elite is simply the faster chip.

Camera

12 7915 Pro 79

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

Battery

12 8815 Pro 100

6,100mAh vs 5,400mAh — the 15 Pro lasts longer between charges.

Software longevity

12 3715 Pro 62

The 15 Pro is supported until Oct 2030 — 21 months longer than the 12.

Value

12 7215 Pro 74

Pound for pound, these two are equally good deals.

Full spec table

Spec	12	15 Pro
Price (street)	$500	$650
Display	6.82-inch LTPO AMOLED ProXDR, QHD+ (3168×1440), 1–120Hz, up to 4500 nits peak	6.73-inch LTPO AMOLED, 3200 x 1440, 120Hz
Chipset	Snapdragon 8 Gen 3	Qualcomm Snapdragon 8 Elite
RAM	12GB/16GB	12GB/16GB
Storage	256GB/512GB	256GB/512GB/1TB
Battery	5,400 mAh	6,100 mAh
Charging	80W SUPERVOOC wired (50W in North America), 50W wireless	90W wired, 50W wireless
Rear cameras	50MP main, 48MP ultra-wide, 64MP periscope 3x	50MP main, 50MP ultra-wide, 50MP telephoto 5x
Dimensions	164.3 × 75.8 × 9.2 mm	161.3 × 74.6 × 8.4 mm
Weight	220 g	213 g
Water resistance	IP65	IP68
Supported until	Jan 2029	Oct 2030

12 full verdict →15 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.