OnePlus Ace 6 vs Oppo K12
The OnePlus Ace 6 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Oppo K12 (2024) runs on the Qualcomm Snapdragon 7 Gen 3. By overall MobileRank rating, the OnePlus Ace 6 leads — 73/100 vs 57/100 (a 16-point difference). Key differences: the OnePlus Ace 6 has the bigger battery (7800 mAh vs 5500); the OnePlus Ace 6 is faster in AnTuTu (3,332,530 vs 1,027,925); the Oppo K12 is noticeably lighter (186g vs 213g).
Profile comparison
Category scores
OnePlus Ace 6
Oppo K12
What makes OnePlus Ace 6 better?
- Higher AnTuTu: 3332530 vs 1027925
- Better Geekbench Single: 3013 vs 1131
- Better Geekbench Multi: 9287 vs 3111
- Bigger battery: 7800 vs 5500 mAh
- Faster charging: 120W vs 100W
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (92/100 vs 59/100)
- Longer battery life (79/100 vs 66/100)
- Better display (94/100 vs 80/100)
What makes Oppo K12 better?
- Lighter: 186g vs 213g
- Better portability (63/100 vs 48/100)
Comparison verdict
Comparing the OnePlus Ace 6 vs the Oppo K12, the OnePlus Ace 6 scores 16 points higher (73/100 vs 57/100). In the "performance" category, the OnePlus Ace 6 leads (92/100 vs 59/100). In the "battery" category, the OnePlus Ace 6 leads (79/100 vs 66/100). In the "performance" category, the OnePlus Ace 6 significantly outperforms the Oppo K12 (92/100 vs 59/100). In the "display" category, the OnePlus Ace 6 is a bit better (94/100 vs 80/100). In the "camera" category, both devices are on the same level — 35/100. In the "battery" category, the OnePlus Ace 6 is a bit better (79/100 vs 66/100). In the "portability" category, the Oppo K12 notably outperforms the OnePlus Ace 6 (63/100 vs 48/100).
Specs comparison
| Specification | OnePlus Ace 6 | Oppo K12 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 7 Gen 3 | |
| AnTuTu | 3332530 | 1027925 | |
| Geekbench Single | 3013 | 1131 | |
| Geekbench Multi | 9287 | 3111 | |
| Display | 6.8" OLED | 6.7" AMOLED | |
| Resolution | 2800x1272 | 1080x2412 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 7800 mAh | 5500 mAh | |
| Charging | 120W | 100W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Front camera | 16 MP | 16 MP | |
| RAM | 12GB / 16GB | 8GB / 12GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB | |
| OS | Android 15 | Android 14, ColorOS 14 | |
| Brightness (peak) | 1800 nits | 1100 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP54 | |
| Dimensions | 163.4×77.0×8.3 mm | 162.5×75.3×8.4 mm | |
| Weight | 213 g | 186 g | |
| Launch price | $399 | — |
Camera comparison
OnePlus Ace 6
- Main: 50MP f/1.8
- Ultrawide: 8MP
- Front: 16MP
Oppo K12
- Main: 50MP f/1.8
- Ultrawide: 8MP
- Front: 16MP
Display comparison
OnePlus Ace 6
- 6.8" OLED
- Resolution: 2800x1272
- Refresh rate: 165 Hz
Oppo K12
- 6.7" AMOLED
- Resolution: 1080x2412
- Refresh rate: 120 Hz
Battery and charging
OnePlus Ace 6
- 7800 mAh
- Wired: 120W
- No wireless charging
Oppo K12
- 5500 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared OnePlus Ace 6 and Oppo K12, covering their specs and all relevant benchmarks.
OnePlus Ace 6 leads Oppo K12 by 224.2% 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 Ace 6 significantly outperforms the Oppo K12 (92/100 vs 59/100).
display
In the "display" category, the OnePlus Ace 6 is a bit better (94/100 vs 80/100).
camera
In the "camera" category, both devices are on the same level — 35/100.
battery
In the "battery" category, the OnePlus Ace 6 is a bit better (79/100 vs 66/100).
portability
In the "portability" category, the Oppo K12 notably outperforms the OnePlus Ace 6 (63/100 vs 48/100).
Frequently asked questions
Which is better: the OnePlus Ace 6 or the Oppo K12?
The OnePlus Ace 6 is noticeably better than the Oppo K12 — the overall rating gap is 16 points.
What is the rating of the OnePlus Ace 6 and the Oppo K12?
The OnePlus Ace 6 has a MobileRank rating of 73/100, the Oppo K12 — 57/100.
Which is more powerful: the OnePlus Ace 6 or the Oppo K12?
The OnePlus Ace 6 leads on performance (92/100 vs 59/100).
Should you choose the OnePlus Ace 6 over the Oppo K12?
The OnePlus Ace 6 is a better fit for gamers and power users, those who care about battery life.