15T vs Poco M7 5G

Phone 1

Phone 2

Winner

Xiaomi 15T

Lifespan decides this one: the 15T is supported until Sep 2030 at $9.76 per month of safe use, while the Poco M7 5G runs out in Mar 2029 ($3.68/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: 15T 70 · Poco M7 5G 73 — methodology

The lifespan decider

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

Xiaomi 15T $500

Safe to buy$9.76/mo

2025◆ Buy-by Sep 20282030

Xiaomi Poco M7 5G $120

Buy with care$3.68/mo

2025◆ Buy-by Mar 20272029

Category by category

Display

15T 70Poco M7 5G 70

Both displays are effectively the same class.

Performance

15T 78Poco M7 5G 42

The 15T's MediaTek Dimensity 8400-Ultra is simply the faster chip.

Camera

15T 79Poco M7 5G 55

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

Battery

15T 90Poco M7 5G 100

7,000mAh vs 5,500mAh — the Poco M7 5G lasts longer between charges.

Software longevity

15T 61Poco M7 5G 39

The 15T is supported until Sep 2030 — 19 months longer than the Poco M7 5G.

Value

15T 70Poco M7 5G 73

Pound for pound, these two are equally good deals.

Full spec table

Spec	15T	Poco M7 5G
Price (street)	$500	$120
Display	6.83-inch AMOLED, 2772x1280, 144Hz	6.88-inch IPS LCD, HD+, 120Hz, 600 nits peak
Chipset	MediaTek Dimensity 8400-Ultra	Qualcomm Snapdragon 4 Gen 2 (4nm)
RAM	12GB	6GB/8GB
Storage	256GB/512GB	128GB
Battery	5,500 mAh	7,000 mAh
Charging	67W wired	33W wired
Rear cameras	50MP main, 50MP telephoto 2x, 12MP ultra-wide	50MP main
Dimensions	163.2 × 78.0 × 7.5 mm	171.5 × 77.5 × 8.9 mm
Weight	194 g	205 g
Water resistance	IP68	IP64
Supported until	Sep 2030	Mar 2029

15T full verdict →Poco M7 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.