PhoneLifespan

13s vs 13 Ultra

vs

Winner

OnePlus 13s

Lifespan decides this one: the 13s is supported until Jun 2031 at $10.04 per month of safe use, while the 13 Ultra runs out in Apr 2028 ($29.59/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: 13s 76 · 13 Ultra 62 methodology

The lifespan decider

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

OnePlus 13s $600
Safe to buy$10.04/mo
2025◆ Buy-by Jun 20292031
Xiaomi 13 Ultra $650
Buy with care$29.59/mo
2023◆ Buy-by Apr 20262028

Category by category

Display
13s 9013 Ultra 90

Both displays are effectively the same class.

Performance
13s 9813 Ultra 85

The 13s's Qualcomm Snapdragon 8 Elite (3nm) is simply the faster chip.

Camera
13s 6713 Ultra 91

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

Battery
13s 9713 Ultra 80

5,850mAh vs 5,000mAh — the 13s lasts longer between charges.

Software longevity
13s 7113 Ultra 26

The 13s is supported until Jun 2031 — 38 months longer than the 13 Ultra.

Value
13s 7613 Ultra 62

Overall value goes to the 13s at $10.04 per month of safe use.

Full spec table
Spec13s13 Ultra
Price (street)$600$650
Display6.32-inch 1.5K (1216×2640) LTPO AMOLED, 1–120Hz, up to 4500 nits peak6.73-inch LTPO AMOLED, 3200 x 1440, 120Hz
ChipsetQualcomm Snapdragon 8 Elite (3nm)Qualcomm Snapdragon 8 Gen 2
RAM12GB12GB/16GB
Storage256GB/512GB256GB/512GB/1TB
Battery5,850 mAh5,000 mAh
Charging80W SuperVOOC wired90W wired, 50W wireless
Rear cameras50MP main, 50MP telephoto 2x50MP main, 50MP ultra-wide, 50MP telephoto 3.2x, 50MP periscope telephoto 5x
Dimensions150.8 × 71.7 × 8.2 mm163.2 × 74.6 × 9.1 mm
Weight185 g227 g
Water resistanceIP65IP68
Supported untilJun 2031Apr 2028

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