OnePlus 15s vs Oppo K12
The OnePlus 15s (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Oppo K12 (2024) runs on the Qualcomm Snapdragon 7 Gen 3. By overall MobileRank rating, the OnePlus 15s leads — 83/100 vs 57/100 (a 26-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 1,027,925).
Profile comparison
Category scores
OnePlus 15s
Oppo K12
What makes OnePlus 15s better?
- Higher AnTuTu: 3950082 vs 1027925
- Better Geekbench Single: 3639 vs 1131
- Better Geekbench Multi: 11047 vs 3111
- Bigger battery: 7500 vs 5500 mAh
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (98/100 vs 59/100)
- Better camera (53/100 vs 35/100)
- Longer battery life (89/100 vs 66/100)
- Better display (95/100 vs 80/100)
- Better portability (64/100 vs 63/100)
What makes Oppo K12 better?
- Lighter: 186g vs 195g
- Overall rating 57/100
Comparison verdict
Comparing the OnePlus 15s vs the Oppo K12, the OnePlus 15s scores 26 points higher (83/100 vs 57/100). In the "performance" category, the OnePlus 15s leads (98/100 vs 59/100). In the "camera" category, the OnePlus 15s leads (53/100 vs 35/100). In the "battery" category, the OnePlus 15s leads (89/100 vs 66/100). In the "performance" category, the OnePlus 15s significantly outperforms the Oppo K12 (98/100 vs 59/100). In the "display" category, the OnePlus 15s notably outperforms the Oppo K12 (95/100 vs 80/100). In the "camera" category, the OnePlus 15s notably outperforms the Oppo K12 (53/100 vs 35/100). In the "battery" category, the OnePlus 15s notably outperforms the Oppo K12 (89/100 vs 66/100). In the "portability" category, the OnePlus 15s and the Oppo K12 are nearly equal (64/100 vs 63/100).
Specs comparison
| Specification | OnePlus 15s | Oppo K12 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 7 Gen 3 | |
| AnTuTu | 3950082 | 1027925 | |
| Geekbench Single | 3639 | 1131 | |
| Geekbench Multi | 11047 | 3111 | |
| Display | 6.3" AMOLED | 6.7" AMOLED | |
| Resolution | 2640x1216 | 1080x2412 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 7500 mAh | 5500 mAh | |
| Charging | 100W | 100W | |
| Wireless charging | 50W | 0W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 0 MP | 8 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 16 MP | 16 MP | |
| RAM | 12GB | 8GB / 12GB | |
| Storage | 256GB / 512GB | 256GB / 512GB | |
| OS | Android 16 | Android 14, ColorOS 14 | |
| Brightness (peak) | — | 1100 nits | |
| NFC | — | yes | |
| Protection | — | IP54 | |
| Dimensions | — | 162.5×75.3×8.4 mm | |
| Weight | 195 g | 186 g | |
| Launch price | $700 | — |
Camera comparison
OnePlus 15s
- Main: 50MP f/1.8
- Telephoto: 50MP
- Front: 16MP
Oppo K12
- Main: 50MP f/1.8
- Ultrawide: 8MP
- Front: 16MP
Display comparison
OnePlus 15s
- 6.3" AMOLED
- Resolution: 2640x1216
- Refresh rate: 165 Hz
Oppo K12
- 6.7" AMOLED
- Resolution: 1080x2412
- Refresh rate: 120 Hz
Battery and charging
OnePlus 15s
- 7500 mAh
- Wired: 100W
- Wireless: 50W
Oppo K12
- 5500 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared OnePlus 15s and Oppo K12, covering their specs and all relevant benchmarks.
OnePlus 15s leads Oppo K12 by 284.3% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Oppo K12
Price unknownDetailed category analysis
performance
In the "performance" category, the OnePlus 15s significantly outperforms the Oppo K12 (98/100 vs 59/100).
display
In the "display" category, the OnePlus 15s notably outperforms the Oppo K12 (95/100 vs 80/100).
camera
In the "camera" category, the OnePlus 15s notably outperforms the Oppo K12 (53/100 vs 35/100).
battery
In the "battery" category, the OnePlus 15s notably outperforms the Oppo K12 (89/100 vs 66/100).
portability
In the "portability" category, the OnePlus 15s and the Oppo K12 are nearly equal (64/100 vs 63/100).
Frequently asked questions
Which is better: the OnePlus 15s or the Oppo K12?
The OnePlus 15s significantly outperforms the Oppo K12 by 26 points (83/100 vs 57/100).
What is the rating of the OnePlus 15s and the Oppo K12?
The OnePlus 15s has a MobileRank rating of 83/100, the Oppo K12 — 57/100.
Which has the better camera: the OnePlus 15s or the Oppo K12?
The OnePlus 15s leads on camera score (53/100 vs 35/100).
Which is more powerful: the OnePlus 15s or the Oppo K12?
The OnePlus 15s leads on performance (98/100 vs 59/100).
Should you choose the OnePlus 15s over the Oppo K12?
The OnePlus 15s is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.