15 vs Poco X6 5G

Phone 1

Phone 2

Winner

Xiaomi 15

Lifespan decides this one: the 15 is supported until Mar 2030 at $16.89 per month of safe use, while the Poco X6 5G runs out in Jan 2028 ($12.80/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: 15 67 · Poco X6 5G 67 — 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 $750

Safe to buy$16.89/mo

2025◆ Buy-by Mar 20282030

Xiaomi Poco X6 5G $240

Buy with care$12.80/mo

2024◆ Buy-by Jan 20262028

Category by category

Display

15 90Poco X6 5G 70

The 15's screen is the better one — 6.36-inch crystalres amoled, 2670×1200 (460 ppi), 1–120hz ltpo, up to 3200 nits peak, dolby vision/hdr10+.

Performance

15 98Poco X6 5G 56

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

Camera

15 79Poco X6 5G 67

The 15 has the stronger camera system (3 real rear lenses vs 2).

Battery

15 85Poco X6 5G 82

Battery capacities are close enough not to decide this.

Software longevity

15 53Poco X6 5G 22

The 15 is supported until Mar 2030 — 26 months longer than the Poco X6 5G.

Value

15 67Poco X6 5G 67

Pound for pound, these two are equally good deals.

Full spec table

Spec	15	Poco X6 5G
Price (street)	$750	$240
Display	6.36-inch CrystalRes AMOLED, 2670×1200 (460 ppi), 1–120Hz LTPO, up to 3200 nits peak, Dolby Vision/HDR10+	6.67-inch Flow AMOLED, 2712x1220 (1.5K), 120Hz
Chipset	Snapdragon 8 Elite	Qualcomm Snapdragon 7s Gen 2
RAM	12GB	8GB/12GB
Storage	256GB/512GB	256GB/512GB
Battery	5,240 mAh	5,100 mAh
Charging	90W wired, 50W wireless	67W wired
Rear cameras	50MP main (Light Fusion 900, f/1.62), 50MP ultra-wide, 50MP telephoto (Leica 60mm floating)	64MP main, 8MP ultra-wide
Dimensions	152.3 × 71.2 × 8.08 mm	161.2 × 74.3 × 8 mm
Weight	191 g	181 g
Water resistance	IP68	IP54
Supported until	Mar 2030	Jan 2028

15 full verdict →Poco X6 5G 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.