PhoneLifespan

15 Ultra vs Redmi Note 13 5G

vs

Winner

Xiaomi 15 Ultra

Lifespan decides this one: the 15 Ultra is supported until Mar 2030 at $30.40 per month of safe use, while the Redmi Note 13 5G runs out in Jan 2028 ($10.06/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: 15 Ultra 65 · Redmi Note 13 5G 64 methodology

The lifespan decider

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

Xiaomi 15 Ultra $1350
Safe to buy$30.40/mo
2025◆ Buy-by Mar 20282030
Xiaomi Redmi Note 13 5G $190
Buy with care$10.06/mo
2024◆ Buy-by Jan 20262028

Category by category

Display
15 Ultra 100Redmi Note 13 5G 70

The 15 Ultra's screen is the better one — 6.73-inch 2k (1440×3200) ltpo amoled, 1–120hz, up to 3200 nits peak.

Performance
15 Ultra 98Redmi Note 13 5G 40

The 15 Ultra's Qualcomm Snapdragon 8 Elite (3nm) is simply the faster chip.

Camera
15 Ultra 96Redmi Note 13 5G 67

The 15 Ultra has the stronger camera system (4 real rear lenses vs 2).

Battery
15 Ultra 88Redmi Note 13 5G 80

5,410mAh vs 5,000mAh — the 15 Ultra lasts longer between charges.

Software longevity
15 Ultra 53Redmi Note 13 5G 22

The 15 Ultra is supported until Mar 2030 — 26 months longer than the Redmi Note 13 5G.

Value
15 Ultra 65Redmi Note 13 5G 64

Pound for pound, these two are equally good deals.

Full spec table
Spec15 UltraRedmi Note 13 5G
Price (street)$1350$190
Display6.73-inch 2K (1440×3200) LTPO AMOLED, 1–120Hz, up to 3200 nits peak6.67" AMOLED, 1080 x 2400, 120Hz
ChipsetQualcomm Snapdragon 8 Elite (3nm)MediaTek Dimensity 6080
RAM16GB6GB/8GB/12GB
Storage512GB/1TB128GB/256GB/512GB
Battery5,410 mAh5,000 mAh
Charging90W wired, 80W wireless33W wired
Rear cameras50MP main, 50MP ultra-wide, 50MP telephoto (70mm floating), 200MP periscope telephoto108MP main, 8MP ultra-wide
Dimensions161.3 × 75.3 × 9.35 mm161.1 × 75.0 × 7.6 mm
Weight226 g174 g
Water resistanceIP68IP54
Supported untilMar 2030Jan 2028

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