ASUS Zenfone 12 Ultra vs OnePlus 15s
The ASUS Zenfone 12 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite, while the OnePlus 15s (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $999 and $700. By overall MobileRank rating, the OnePlus 15s leads — 83/100 vs 75/100 (a 8-point difference). Key differences: the OnePlus 15s has the bigger battery (7500 mAh vs 5500); the OnePlus 15s is faster in AnTuTu (3,950,082 vs 3,247,013); the OnePlus 15s is noticeably lighter (195g vs 220g).
Profile comparison
Category scores
ASUS Zenfone 12 Ultra
OnePlus 15s
What makes ASUS Zenfone 12 Ultra better?
- Better camera (56/100 vs 53/100)
What makes OnePlus 15s better?
- Higher AnTuTu: 3950082 vs 3247013
- Better Geekbench Single: 3639 vs 3013
- Better Geekbench Multi: 11047 vs 9287
- Bigger battery: 7500 vs 5500 mAh
- Faster charging: 100W vs 65W
- Higher refresh rate: 165Hz vs 144Hz
- Faster wireless charging: 50W vs 15W
- Lighter: 195g vs 220g
- Cheaper at launch: $700 vs $999
- Higher performance (98/100 vs 92/100)
- Longer battery life (89/100 vs 66/100)
- Better display (95/100 vs 89/100)
- Better portability (64/100 vs 38/100)
Comparison verdict
Comparing the ASUS Zenfone 12 Ultra vs the OnePlus 15s, the OnePlus 15s scores 8 points higher (83/100 vs 75/100). In the "battery" category, the OnePlus 15s leads (89/100 vs 66/100). Value score: ASUS Zenfone 12 Ultra — 60/100, OnePlus 15s — 80/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "performance" category, the OnePlus 15s is a bit better (98/100 vs 92/100). In the "display" category, the OnePlus 15s is a bit better (95/100 vs 89/100). In the "camera" category, the ASUS Zenfone 12 Ultra and the OnePlus 15s are nearly equal (56/100 vs 53/100). In the "battery" category, the OnePlus 15s notably outperforms the ASUS Zenfone 12 Ultra (89/100 vs 66/100). In the "portability" category, the OnePlus 15s notably outperforms the ASUS Zenfone 12 Ultra (64/100 vs 38/100).
Specs comparison
| Specification | ASUS Zenfone 12 Ultra | OnePlus 15s | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 3247013 | 3950082 | |
| Geekbench Single | 3013 | 3639 | |
| Geekbench Multi | 9287 | 11047 | |
| Display | 6.8" LTPO AMOLED | 6.3" AMOLED | |
| Resolution | 2400x1080 | 2640x1216 | |
| Refresh rate | 144 Hz | 165 Hz | |
| Battery | 5500 mAh | 7500 mAh | |
| Charging | 65W | 100W | |
| Wireless charging | 15W | 50W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 13 MP | 0 MP | |
| Telephoto | 32 MP | 50 MP | |
| Front camera | 32 MP | 16 MP | |
| RAM | 12GB / 16GB | 12GB | |
| Storage | 256GB / 512GB | 256GB / 512GB | |
| OS | Android 15 / ZenUI | Android 16 | |
| Brightness (peak) | 2500 nits | — | |
| NFC | yes | — | |
| Protection | IP68 | — | |
| Dimensions | 163.8×77.0×8.9 mm | — | |
| Weight | 220 g | 195 g | |
| Launch price | $999 | $700 |
Camera comparison
ASUS Zenfone 12 Ultra
- Main: 50MP f/1.9
- Ultrawide: 13MP
- Telephoto: 32MP
- Front: 32MP
OnePlus 15s
- Main: 50MP f/1.8
- Telephoto: 50MP
- Front: 16MP
Display comparison
ASUS Zenfone 12 Ultra
- 6.8" LTPO AMOLED
- Resolution: 2400x1080
- Refresh rate: 144 Hz
OnePlus 15s
- 6.3" AMOLED
- Resolution: 2640x1216
- Refresh rate: 165 Hz
Battery and charging
ASUS Zenfone 12 Ultra
- 5500 mAh
- Wired: 65W
- Wireless: 15W
OnePlus 15s
- 7500 mAh
- Wired: 100W
- Wireless: 50W
Overall performance score
We compared ASUS Zenfone 12 Ultra and OnePlus 15s, covering their specs and all relevant benchmarks.
OnePlus 15s leads ASUS Zenfone 12 Ultra by 17.8% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $299. OnePlus 15s was $299 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the OnePlus 15s is a bit better (98/100 vs 92/100).
display
In the "display" category, the OnePlus 15s is a bit better (95/100 vs 89/100).
camera
In the "camera" category, the ASUS Zenfone 12 Ultra and the OnePlus 15s are nearly equal (56/100 vs 53/100).
battery
In the "battery" category, the OnePlus 15s notably outperforms the ASUS Zenfone 12 Ultra (89/100 vs 66/100).
portability
In the "portability" category, the OnePlus 15s notably outperforms the ASUS Zenfone 12 Ultra (64/100 vs 38/100).
Frequently asked questions
Which is better: the ASUS Zenfone 12 Ultra or the OnePlus 15s?
The OnePlus 15s edges out the ASUS Zenfone 12 Ultra by just 8 points — the two devices are very close in overall level.
What is the rating of the ASUS Zenfone 12 Ultra and the OnePlus 15s?
The ASUS Zenfone 12 Ultra has a MobileRank rating of 75/100, the OnePlus 15s — 83/100.
Which is more powerful: the ASUS Zenfone 12 Ultra or the OnePlus 15s?
The OnePlus 15s leads on performance (98/100 vs 92/100).
Should you choose the ASUS Zenfone 12 Ultra over the OnePlus 15s?
The ASUS Zenfone 12 Ultra is a better fit for gamers and power users. The OnePlus 15s is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.