PhoneLifespan

iQOO 13 vs 15

vs

Winner

Vivo iQOO 13

The iQOO 13 wins this one, taking battery decisively. Against the 15 it's also the sounder buy at $14.40 per month of safe use.

Value Score: iQOO 13 73 · 15 67 methodology

The lifespan decider

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

Vivo iQOO 13 $600
Safe to buy$14.40/mo
2024◆ Buy-by Dec 20272029
Xiaomi 15 $750
Safe to buy$16.82/mo
2025◆ Buy-by Mar 20282030

Category by category

Display
iQOO 13 9015 90

Both displays are effectively the same class.

Performance
iQOO 13 9815 98

Performance is a wash — same chip tier.

Camera
iQOO 13 7915 79

Camera systems are comparable on paper — pick by sample photos.

Battery
iQOO 13 10015 85

6,150mAh vs 5,240mAh — the iQOO 13 lasts longer between charges.

Software longevity
iQOO 13 5015 53

The 15 is supported until Mar 2030 — 3 months longer than the iQOO 13.

Value
iQOO 13 7315 67

Overall value goes to the iQOO 13 at $14.40 per month of safe use.

Full spec table
SpeciQOO 1315
Price (street)$600$750
Display6.82-inch LTPO AMOLED, 3168x1440, 144Hz6.36-inch CrystalRes AMOLED, 2670×1200 (460 ppi), 1–120Hz LTPO, up to 3200 nits peak, Dolby Vision/HDR10+
ChipsetQualcomm Snapdragon 8 EliteSnapdragon 8 Elite
RAM12GB/16GB12GB
Storage256GB/512GB256GB/512GB
Battery6,150 mAh5,240 mAh
Charging120W wired90W wired, 50W wireless
Rear cameras50MP main, 50MP ultra-wide, 50MP telephoto 2x50MP main (Light Fusion 900, f/1.62), 50MP ultra-wide, 50MP telephoto (Leica 60mm floating)
Dimensions163.0 × 76.0 × 8.1 mm152.3 × 71.2 × 8.08 mm
Weight213 g191 g
Water resistanceIP68/IP69IP68
Supported untilDec 2029Mar 2030

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