PhoneLifespan

iPhone 15 Plus vs 13T

vs

Winner

OnePlus 13T

The 13T wins this one, taking battery and display decisively. Against the iPhone 15 Plus it's also the sounder buy at $8.57 per month of safe use.

Value Score: iPhone 15 Plus 67 · 13T 78 — methodology

The lifespan decider

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

Apple iPhone 15 Plus $403
Safe to buy$7.86/mo
2023◆ Buy-by Sep 20282030
OnePlus 13T $500
Safe to buy$8.57/mo
2025◆ Buy-by Apr 20292031

Category by category

Display
iPhone 15 Plus 5013T 80

The 13T's screen is the better one — 6.32-inch ltpo amoled, 2640x1216, 120hz.

Performance
iPhone 15 Plus 8013T 98

The 13T's Qualcomm Snapdragon 8 Elite is simply the faster chip.

Camera
iPhone 15 Plus 6213T 67

The 13T has the stronger camera system — same lens count, higher-grade sensors.

Battery
iPhone 15 Plus 6813T 100

6,260mAh vs 4,383mAh — the 13T lasts longer between charges.

Software longevity
iPhone 15 Plus 6113T 69

The 13T is supported until Apr 2031 — 7 months longer than the iPhone 15 Plus.

Value
iPhone 15 Plus 6713T 78

Overall value goes to the 13T at $8.57 per month of safe use.

Full spec table
SpeciPhone 15 Plus13T
Price (street)$403$500
Display6.7-inch Super Retina XDR OLED, 60Hz, up to 2000 nits peak6.32-inch LTPO AMOLED, 2640x1216, 120Hz
ChipsetApple A16 BionicQualcomm Snapdragon 8 Elite
RAM6GB12GB/16GB
Storage128GB/256GB/512GB256GB/512GB/1TB
Battery4,383 mAh6,260 mAh
Charging20W+ wired (50% in ~30 min), MagSafe 15W wireless, Qi 7.5W80W wired
Rear cameras48MP main, 12MP ultra-wide50MP main, 50MP telephoto 2x
Dimensions160.9 × 77.8 × 7.8 mm150.8 × 71.8 × 8.2 mm
Weight201 g185 g
Water resistanceIP68IP65
Supported untilSep 2030Apr 2031
iPhone 15 Plus full verdict →13T 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.