13s vs 15
It depends
Too close to call outright
These two are within 4 points overall — it genuinely depends on price on the day. The 15 edges both longevity and performance, so prefer it when prices are close.
Value Score: 13s 76 · 15 72 — methodology
Who should pick which
Beyond the scores — our take on each phone and the buyer it actually suits.
A genuinely compact flagship that packs Snapdragon 8 Elite power and a big battery into a small body, if you can import one.
Pick it if
- ✓ Fans of small, powerful phones
- ✓ Users who want flagship speed without bulk
- ✓ Long-term owners wanting 6 years of security
Skip it if
- ✗ You want an ultra-wide camera
- ✗ You need full immersion water resistance or US warranty
A 7,300mAh battery monster with security updates promised into late 2031 — one of the cheapest flagships per month of safe ownership you can buy in 2026.
Pick it if
- ✓ Battery-first power users
- ✓ Performance/gaming buyers
- ✓ Keep-it-5-years owners
Skip it if
- ✗ You prioritize camera quality over speed
- ✗ You want 7 years of updates like a Pixel or Galaxy S
The lifespan decider
When specs are close, support length decides it — this is what each phone costs per month of safe use.
Category by category
The 13s's screen is the better one — 6.32-inch 1.5k (1216×2640) ltpo amoled, 1–120hz, up to 4500 nits peak.
Performance is a wash — same chip tier.
The 15 has the stronger camera system (3 real rear lenses vs 2).
Battery capacities are close enough not to decide this.
The 15 is supported until Nov 2031 — 5 months longer than the 13s.
Overall value goes to the 13s at $10.26 per month of safe use.
Frequently asked
Is the OnePlus 13s a true flagship despite its small size?
Yes, it runs the same Snapdragon 8 Elite as larger flagships and pairs it with 12GB RAM, so performance is uncompromised in a compact body.
How long will the OnePlus 13s be supported?
OnePlus promises 4 major OxygenOS/Android upgrades and 6 years of security updates, running to roughly June 2031 from its June 2025 launch.
How long will the OnePlus 15 be supported?
OnePlus promises 4 major Android OS updates and 6 years of security patches for the OnePlus 15, which puts end of support at roughly November 2031. If you buy in mid-2026, that still leaves about 5 years and 4 months of safe ownership — around $13 per supported month at the current $849 street price.
Is the OnePlus 15 better than the OnePlus 13?
It is faster (Snapdragon 8 Elite Gen 5 vs 8 Elite), has a much bigger 7,300mAh battery vs 6,000mAh, and a 165Hz display. But the OnePlus 13 had a sharper 1440p panel and Hasselblad-tuned cameras that many reviewers still prefer. Buy the 15 for battery and longevity; the discounted 13 remains the better pure camera phone.
Full spec table
| Spec | 13s | 15 |
|---|---|---|
| Price (street) | $600 | $849 |
| Display | 6.32-inch 1.5K (1216×2640) LTPO AMOLED, 1–120Hz, up to 4500 nits peak | 6.78-inch LTPO AMOLED, 2772x1272, 165Hz, 1800 nits peak |
| Chipset | Qualcomm Snapdragon 8 Elite (3nm) | Qualcomm Snapdragon 8 Elite Gen 5 |
| RAM | 12GB | 12GB/16GB |
| Storage | 256GB/512GB | 256GB/512GB/1TB |
| Battery | 5,850 mAh | 7,300 mAh |
| Charging | 80W SuperVOOC wired | 120W wired, 50W wireless |
| Rear cameras | 50MP main, 50MP telephoto 2x | 50MP main, 50MP periscope 3.5x, 50MP ultra-wide |
| Dimensions | 150.8 × 71.7 × 8.2 mm | 161.4 × 76.7 × 8.1 mm |
| Weight | 185 g | 211 g |
| Water resistance | IP65 | IP68/IP69K |
| Supported until | Jun 2031 | Nov 2031 |
More comparisons
Scores and verdicts are computed from our verified database — see exactly how. Specs from manufacturer documentation; prices reflect major US retailers.