PhoneLifespan

12 Pro vs Redmi 15 5G

vs

Winner

Xiaomi Redmi 15 5G

Lifespan decides this one: the Redmi 15 5G is supported until Aug 2029 at $4.81 per month of safe use, while the 12 Pro runs out in Jan 2028 ($12.65/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: 12 Pro 63 · 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 Pro $245
Buy with care$12.65/mo
2024◆ Buy-by Jan 20262028
Xiaomi Redmi 15 5G $180
Safe to buy$4.81/mo
2025◆ Buy-by Aug 20272029

Category by category

Display
12 Pro 70Redmi 15 5G 70

Both displays are effectively the same class.

Performance
12 Pro 46Redmi 15 5G 46

Performance is a wash — same chip tier.

Camera
12 Pro 79Redmi 15 5G 55

The 12 Pro has the stronger camera system (3 real rear lenses vs 1).

Battery
12 Pro 80Redmi 15 5G 100

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

Software longevity
12 Pro 23Redmi 15 5G 45

The Redmi 15 5G is supported until Aug 2029 — 18 months longer than the 12 Pro.

Value
12 Pro 63Redmi 15 5G 75

Overall value goes to the Redmi 15 5G at $4.81 per month of safe use.

Full spec table
Spec12 ProRedmi 15 5G
Price (street)$245$180
Display6.7-inch AMOLED, FHD+, 120Hz, 950 nits peak6.9-inch IPS LCD, FHD+, 144Hz, 850 nits peak
ChipsetQualcomm Snapdragon 6 Gen 1Qualcomm Snapdragon 6s Gen 3
RAM8GB/12GB4GB/6GB/8GB
Storage128GB/256GB/512GB128GB/256GB
Battery5,000 mAh7,000 mAh
Charging67W wired33W wired, 18W reverse wired
Rear cameras50MP main, 32MP telephoto 2x, 8MP ultra-wide50MP main, 2MP depth
Dimensions161.5 x 74 x 8.8 mm169.5 × 80.5 × 8.4 mm
Weight190 g217 g
Water resistanceIP65IP64
Supported untilJan 2028Aug 2029
12 Pro 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.