Who is the OnePlus 15 for?
Solid mid-pack smartphone. The 76.7 score lands in B-tier (68–77) — competent across the board, with one or two specs holding it back.
A right buy if pricing matters and the trade-offs the formula penalizes don’t affect how you use the device. Compare it against the A-tier picks first.
Mars Score is computed from 23 measured specs against the transparent formula for the smartphones category. No editorial picks, no paid placement.
OnePlus 15: advantages & disadvantages
Measured against every smartphones we track, here is where the OnePlus 15 pulls ahead — and where it gives ground.
- ▲Includes Optical image stabilization — a feature not every smartphones offers.
- ▲Includes 5G support — a feature not every smartphones offers.
- ▲Battery capacity: 7500 mAh — among the best smartphones we track.
- ▲AnTuTu: 2950000 — well above the typical smartphones.
- ▼Weight: 211 g — below the typical smartphones.
- ▼Refresh rate: 120 Hz — below the typical smartphones.
Pros are specs scoring ≥75% of the category normalization range. Cons are ≤35%. Derived from the Mars Score formula — no hand-curated lists.
At a glance
- Screen size
- 6.78"
- RAM
- 16GB
- Pixel density
- 450ppi
- Battery capacity
- 7500mAh
All specifications
Design
- Weight
- 211 g
- Thickness
- 8.3 mm
- Form factor
- bar
Display
- Screen size
- 6.78 "
- Pixel density?
- 450 ppi
- Refresh rate?
- 120 Hz
- Peak brightness?
- 4500 nits
Cameras
- Main camera?
- 50 MP
- Front camera
- 32 MP
Battery
- Battery capacity?
- 7500 mAh
- Wired charging?
- 120 W
Connectivity
- 5G support?
- true
- Headphone jack
- false
- microSD slot
- false
Operating System
- OS
- Android
- Promised OS updates
- 5 years
Hands-on coverage
Editorial pieces from the vsMars team that cover the OnePlus 15.
How to Choose a Smartphone Camera in 2026
A buyer-first framework for camera lenses, stabilization, processing, and the photos you actually take.
Android vs iPhone: Which Phone Ecosystem Fits Your Life?
Choose between iPhone and Android by devices, sharing habits, services, customization, and support—not tribal preference.
Pixel 10 Pro vs iPhone 17 Pro Max — Night-Mode Shootout
Forty-eight side-by-side exposures from 0.5 lux to 50 lux. The Pixel still wins on detail; the iPhone wins on color truth.
Best Budget Smartphones Under $500 with Great Cameras (2026)
Five phones that punch above their price tier on photo quality — and which compromises each one makes elsewhere.
OnePlus 15 vs iPhone 17 — Sustained CPU Under 20-Minute Load
Both phones can sprint. Only one of them still runs fast at minute 20. Geekbench loop and thermal-camera footage.
Why 7,000 mAh Batteries Are Quietly Changing Smartphones
Silicon-carbon anodes pushed phone batteries past 7,000 mAh in 2026 without making phones thicker. Here's what that actually changes for users — and for how reviewers should score battery.
Latest from the lab
All lab reports →Popular comparisons featuring the OnePlus 15
The 12 closest matchups in the Smartphones category, sorted by Mars Score proximity — the fights most worth your time.
Browse by segment
How OnePlus 15 fits the Smartphones field
OnePlus 15 is listed in the Smartphones catalog with a Mars Score of 76.7. It currently ranks 1 of 75 products in this category by Mars Score.This page is most useful when you match the product's strongest measurable specifications to your own workload instead of treating one number as a universal recommendation.
Key specifications to check
- Screen size
- 6.78 "
- RAM
- 16 GB
- Pixel density
- 450 ppi
- Battery capacity
- 7500 mAh
Values are shown exactly as stored in the current catalog. A dash means the value is not available; it is not a zero and is not treated as a win or loss.
Who should consider it?
Start with the priorities represented by screen size, ram, pixel density. Buyers who value those dimensions should compare this product against the closest same-category alternatives below, then verify regional pricing, warranty, and configuration before purchase.
Closest alternatives
Frequently asked
What is the Mars Score for OnePlus 15?+
OnePlus 15 scores 76.7 on the transparent Mars Score formula for smartphones, computed from its published specs against the category's weighted normalization.
What category does OnePlus 15 belong to?+
OnePlus 15 is a OnePlus smartphone catalogued in the Smartphones category.
When was OnePlus 15 released?+
OnePlus 15 was released on 2026-01-15.
What is the screen size of OnePlus 15?+
OnePlus 15 has a screen size of 6.78 ".
What is the ram of OnePlus 15?+
OnePlus 15 has a ram of 16 GB.
What is the pixel density of OnePlus 15?+
OnePlus 15 has a pixel density of 450 ppi.