PhoneLifespan

15T Pro vs Poco X7 5G

vs

Winner

Xiaomi 15T Pro

Lifespan decides this one: the 15T Pro is supported until Sep 2030 at $12.69 per month of safe use, while the Poco X7 5G runs out in Jan 2029 ($7.47/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: 15T Pro 69 · Poco X7 5G 75 — 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 Pro $650
Safe to buy$12.69/mo
2025◆ Buy-by Sep 20282030
Xiaomi Poco X7 5G $230
Buy with care$7.47/mo
2025◆ Buy-by Jan 20272029

Category by category

Display
15T Pro 70Poco X7 5G 80

The Poco X7 5G's screen is the better one — 6.67-inch amoled, 1.5k (446 ppi), 120hz, 3000 nits peak, gorilla glass victus 2.

Performance
15T Pro 94Poco X7 5G 58

The 15T Pro's MediaTek Dimensity 9400+ is simply the faster chip.

Camera
15T Pro 79Poco X7 5G 67

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

Battery
15T Pro 90Poco X7 5G 90

Battery capacities are close enough not to decide this.

Software longevity
15T Pro 61Poco X7 5G 37

The 15T Pro is supported until Sep 2030 — 20 months longer than the Poco X7 5G.

Value
15T Pro 69Poco X7 5G 75

Overall value goes to the Poco X7 5G at $7.47 per month of safe use.

Full spec table
Spec15T ProPoco X7 5G
Price (street)$650$230
Display6.83-inch AMOLED, 2772x1280, 144Hz6.67-inch AMOLED, 1.5K (446 ppi), 120Hz, 3000 nits peak, Gorilla Glass Victus 2
ChipsetMediaTek Dimensity 9400+MediaTek Dimensity 7300 Ultra (4nm)
RAM12GB8GB/12GB
Storage256GB/512GB/1TB128GB/256GB/512GB
Battery5,500 mAh5,500 mAh
Charging90W wired, 50W wireless45W wired
Rear cameras50MP main, 50MP telephoto 5x periscope, 12MP ultra-wide50MP main, 8MP ultra-wide, 2MP macro
Dimensions162.7 × 77.9 × 8.0 mm162.3 × 74.4 × 8.4 mm
Weight210 g190 g
Water resistanceIP68IP68 (also IP69)
Supported untilSep 2030Jan 2029
15T Pro full verdict →Poco X7 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.