Open vs 15 Pro

Phone 1

Phone 2

Winner

Xiaomi 15 Pro

Lifespan decides this one: the 15 Pro is supported until Oct 2030 at $12.37 per month of safe use, while the Open runs out in Oct 2028 ($31.90/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Open 57 · 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 Open $900

Buy with care$31.90/mo

2023◆ Buy-by Oct 20262028

Xiaomi 15 Pro $650

Safe to buy$12.37/mo

2024◆ Buy-by Oct 20282030

Category by category

Display

Open 9015 Pro 90

Both displays are effectively the same class.

Performance

Open 8515 Pro 98

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

Camera

Open 7915 Pro 79

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

Battery

Open 7615 Pro 100

6,100mAh vs 4,805mAh — the 15 Pro lasts longer between charges.

Software longevity

Open 3415 Pro 63

The 15 Pro is supported until Oct 2030 — 24 months longer than the Open.

Value

Open 5715 Pro 74

Overall value goes to the 15 Pro at $12.37 per month of safe use.

Full spec table

Spec	Open	15 Pro
Price (street)	$900	$650
Display	7.82-inch 2K LTPO3 Fluid AMOLED inner foldable (2440×2268, 426 ppi) + 6.31-inch 2K AMOLED cover (2484×1116, 431 ppi), both 120Hz, up to 2800 nits peak	6.73-inch LTPO AMOLED, 3200 x 1440, 120Hz
Chipset	Snapdragon 8 Gen 2	Qualcomm Snapdragon 8 Elite
RAM	16GB	12GB/16GB
Storage	512GB	256GB/512GB/1TB
Battery	4,805 mAh	6,100 mAh
Charging	67W SUPERVOOC wired, no wireless	90W wired, 50W wireless
Rear cameras	48MP main, 48MP ultra-wide, 64MP periscope telephoto 3x	50MP main, 50MP ultra-wide, 50MP telephoto 5x
Dimensions	Unfolded 153.4 × 143.1 × 5.8 mm; Folded 153.4 × 73.3 × 11.7 mm	161.3 × 74.6 × 8.4 mm
Weight	239 g	213 g
Water resistance	IPX4	IP68
Supported until	Oct 2028	Oct 2030

Open 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.