PhoneLifespan

13 Ultra vs Redmi Note 15 Pro 5G

vs

Winner

Xiaomi Redmi Note 15 Pro 5G

Lifespan decides this one: the Redmi Note 15 Pro 5G is supported until Jan 2030 at $7.45 per month of safe use, while the 13 Ultra runs out in Apr 2028 ($29.52/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: 13 Ultra 62 · Redmi Note 15 Pro 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 13 Ultra $650
Buy with care$29.52/mo
2023◆ Buy-by Apr 20262028
2026◆ Buy-by Jan 20282030

Category by category

Display
13 Ultra 90Redmi Note 15 Pro 5G 70

The 13 Ultra's screen is the better one — 6.73-inch ltpo amoled, 3200 x 1440, 120hz.

Performance
13 Ultra 85Redmi Note 15 Pro 5G 62

The 13 Ultra's Qualcomm Snapdragon 8 Gen 2 is simply the faster chip.

Camera
13 Ultra 91Redmi Note 15 Pro 5G 72

The 13 Ultra has the stronger camera system (4 real rear lenses vs 2).

Battery
13 Ultra 80Redmi Note 15 Pro 5G 100

6,580mAh vs 5,000mAh — the Redmi Note 15 Pro 5G lasts longer between charges.

Software longevity
13 Ultra 26Redmi Note 15 Pro 5G 51

The Redmi Note 15 Pro 5G is supported until Jan 2030 — 21 months longer than the 13 Ultra.

Value
13 Ultra 62Redmi Note 15 Pro 5G 73

Overall value goes to the Redmi Note 15 Pro 5G at $7.45 per month of safe use.

Full spec table
Spec13 UltraRedmi Note 15 Pro 5G
Price (street)$650$320
Display6.73-inch LTPO AMOLED, 3200 x 1440, 120Hz6.83-inch AMOLED, 1.5K, 120Hz, 12-bit, Dolby Vision/HDR10+
ChipsetQualcomm Snapdragon 8 Gen 2MediaTek Dimensity 7400-Ultra (4nm)
RAM12GB/16GB8GB/12GB
Storage256GB/512GB/1TB256GB/512GB
Battery5,000 mAh6,580 mAh
Charging90W wired, 50W wireless45W wired, 22.5W reverse wired
Rear cameras50MP main, 50MP ultra-wide, 50MP telephoto 3.2x, 50MP periscope telephoto 5x200MP main, 8MP ultra-wide
Dimensions163.2 × 74.6 × 9.1 mm163.6 × 78.1 × 8.0 mm
Weight227 g210 g
Water resistanceIP68IP68/IP69
Supported untilApr 2028Jan 2030

Scores and verdicts are computed from our verified database — see exactly how. Specs from manufacturer documentation; prices reflect major US retailers.