15 vs Poco C71 4G

Phone 1

Phone 2

Winner

Xiaomi 15

Lifespan decides this one: the 15 is supported until Mar 2030 at $16.87 per month of safe use, while the Poco C71 4G runs out in Apr 2029 ($2.23/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: 15 67 · Poco C71 4G 69 — 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$16.87/mo

2025◆ Buy-by Mar 20282030

Xiaomi Poco C71 4G $75

Buy with care$2.23/mo

2025◆ Buy-by Apr 20272029

Category by category

Display

15 90Poco C71 4G 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 C71 4G 55

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

Camera

15 79Poco C71 4G 40

The 15 has the stronger camera system (3 real rear lenses vs 1).

Battery

15 85Poco C71 4G 84

Battery capacities are close enough not to decide this.

Software longevity

15 53Poco C71 4G 40

The 15 is supported until Mar 2030 — 11 months longer than the Poco C71 4G.

Value

15 67Poco C71 4G 69

Pound for pound, these two are equally good deals.

Full spec table

Spec	15	Poco C71 4G
Price (street)	$750	$75
Display	6.36-inch CrystalRes AMOLED, 2670×1200 (460 ppi), 1–120Hz LTPO, up to 3200 nits peak, Dolby Vision/HDR10+	6.88-inch IPS LCD, HD+, 120Hz
Chipset	Snapdragon 8 Elite	Unisoc T7250 (12nm)
RAM	12GB	4GB/6GB
Storage	256GB/512GB	64GB/128GB
Battery	5,240 mAh	5,200 mAh
Charging	90W wired, 50W wireless	15W wired
Rear cameras	50MP main (Light Fusion 900, f/1.62), 50MP ultra-wide, 50MP telephoto (Leica 60mm floating)	32MP main
Dimensions	152.3 × 71.2 × 8.08 mm	171.79 × 77.8 × 8.26 mm
Weight	191 g	193 g
Water resistance	IP68	IP52
Supported until	Mar 2030	Apr 2029

15 full verdict →Poco C71 4G 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.