OnePlus
OnePlus 13
$899
Released 2025-01
Best Smartphones · head-to-head
OnePlus 13 vs Asus Zenfone 12 Ultra
A sourced, side-by-side comparison. OnePlus 13 is cheaper at $899. Every spec and price links to its source.
Asus
Asus Zenfone 12 Ultra
—
Released 2025-02
Which is better: the OnePlus 13 or Asus Zenfone 12 Ultra?
The OnePlus 13 wins 2 of the 3 specs we compare head to head; the other wins 1.
As an Amazon Associate we earn from qualifying purchases. Prices verified at capture; live price may differ.
Key specs, head to head
The numbers that decide it, drawn to scale — longer bar wins, the accent bar is the stronger figure.
Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | OnePlus 13 | Asus Zenfone 12 Ultra |
|---|---|---|
| US price | $899 MSRP, 256GB (US base, 12GB RAM) | — |
| Brand | OnePlus | Asus |
| Released | 2025-01 | 2025-02 |
| Display (in) | 6.82 | 6.78 |
| Display type | LTPO AMOLED | LTPO AMOLED |
| Refresh (Hz) | 120 | 144 |
| Chipset | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Elite |
| RAM (GB) | 12 | 12 |
| Storage (GB) | 256 | 256 |
| Main camera (MP) | 50 | 50 |
| Battery (mAh) | 6000 | 5500 |
| Charge (W) | 80 | 65 |
| Weight (g) | 210 | 220 |
| OS | Android 15 | Android 15 |
| IP rating | IP69 | IP68 |
| Fiveg | Yes | Yes |
Sources — OnePlus 13: gsmarena.com (verified 2026-06-15). Asus Zenfone 12 Ultra: gsmarena.com (verified 2026-06-15).
What's the difference between the OnePlus 13 and Asus Zenfone 12 Ultra?
Where the two actually differ on the specs we track (6 of 13). Matching specs are omitted.
- Display (in): OnePlus 13 6.82 vs Asus Zenfone 12 Ultra 6.78
- Refresh (Hz): OnePlus 13 120 vs Asus Zenfone 12 Ultra 144
- Battery (mAh): OnePlus 13 6000 vs Asus Zenfone 12 Ultra 5500
- Charge (W): OnePlus 13 80 vs Asus Zenfone 12 Ultra 65
- Weight (g): OnePlus 13 210 vs Asus Zenfone 12 Ultra 220
- IP rating: OnePlus 13 IP69 vs Asus Zenfone 12 Ultra IP68
What reviewers say
Sourced tester consensus for each — the "what people who used it think" layer, not just specs.
OnePlus 13
Four whitelisted testers (Notebookcheck, GSMArena, Tom's Guide, Engadget) all lab-benchmarked the OnePlus 13 and rate it a top-value flagship: class-leading 6,000mAh battery life, fast Snapdragon 8 Elite performance, and quick charging. Shared knocks: real-world brightness falls short of the 4,500-nit claim, heavy GPU throttling, and merely good low-light cameras. (4 sourced reviews, 4 lab-tested.)
Praised: Class-leading battery life from the 6,000mAh silicon-carbon cell (19h45m to 38h41m across tests); Fast Snapdragon 8 Elite performance, ~9,000+ Geekbench 6 multi-core; Very fast wired charging (~35-40 min to full).
Flagged: Measured brightness (~1,100-1,200 nits) far below the advertised 4,500-nit peak claim; Heavy GPU throttling under sustained load (~50% stability, hot bottom at 46°C); Cameras only good, not top-tier, especially in low light.
Asus Zenfone 12 Ultra
No sourced tester review yet.