12+ 5G vs Redmi 15 5G

Phone 1

Phone 2

Winner

Xiaomi Redmi 15 5G

Lifespan decides this one: the Redmi 15 5G is supported until Aug 2029 at $4.80 per month of safe use, while the 12+ 5G runs out in Mar 2028 ($10.50/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: 12+ 5G 68 · Redmi 15 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.

Realme 12+ 5G $215

Buy with care$10.50/mo

2024◆ Buy-by Mar 20262028

Xiaomi Redmi 15 5G $180

Safe to buy$4.80/mo

2025◆ Buy-by Aug 20272029

Category by category

Display

12+ 5G 70Redmi 15 5G 70

Both displays are effectively the same class.

Performance

12+ 5G 52Redmi 15 5G 46

The 12+ 5G's MediaTek Dimensity 7050 (6nm) is simply the faster chip.

Camera

12+ 5G 67Redmi 15 5G 55

The 12+ 5G has the stronger camera system (2 real rear lenses vs 1).

Battery

12+ 5G 80Redmi 15 5G 100

7,000mAh vs 5,000mAh — the Redmi 15 5G lasts longer between charges.

Software longevity

12+ 5G 24Redmi 15 5G 45

The Redmi 15 5G is supported until Aug 2029 — 17 months longer than the 12+ 5G.

Value

12+ 5G 68Redmi 15 5G 75

Overall value goes to the Redmi 15 5G at $4.80 per month of safe use.

Full spec table

Spec	12+ 5G	Redmi 15 5G
Price (street)	$215	$180
Display	6.67-inch curved AMOLED, FHD+, 120Hz, up to 2000 nits peak	6.9-inch IPS LCD, FHD+, 144Hz, 850 nits peak
Chipset	MediaTek Dimensity 7050 (6nm)	Qualcomm Snapdragon 6s Gen 3
RAM	8GB/12GB	4GB/6GB/8GB
Storage	128GB/256GB	128GB/256GB
Battery	5,000 mAh	7,000 mAh
Charging	67W wired SUPERVOOC	33W wired, 18W reverse wired
Rear cameras	50MP main, 8MP ultra-wide, 2MP macro	50MP main, 2MP depth
Dimensions	162.3 × 75.1 × 7.9 mm	169.5 × 80.5 × 8.4 mm
Weight	190 g	217 g
Water resistance	IP54	IP64
Supported until	Mar 2028	Aug 2029

12+ 5G full verdict →Redmi 15 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.