OnePlus 15T vs Oppo K12
The OnePlus 15T (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 15T leads — 86/100 vs 57/100 (a 29-point difference). Key differences: the OnePlus 15T has the bigger battery (6400 mAh vs 5500); the OnePlus 15T is faster in AnTuTu (3,676,955 vs 1,025,251); the Oppo K12 is noticeably lighter (186g vs 206g).
OnePlus 15T
Oppo K12
- Higher AnTuTu: 3676955 vs 1025251
- Better Geekbench Single: 3640 vs 1131
- Better Geekbench Multi: 11033 vs 2967
- Bigger battery: 6400 vs 5500 mAh
- Higher performance (97/100 vs 58/100)
- Better camera (78/100 vs 35/100)
- Longer battery life (84/100 vs 66/100)
- Better display (89/100 vs 80/100)
- Lighter: 186g vs 206g
- Better portability (63/100 vs 51/100)
Comparing the OnePlus 15T vs the Oppo K12, the OnePlus 15T scores 29 points higher (86/100 vs 57/100). In the "performance" category, the OnePlus 15T leads (97/100 vs 58/100). In the "camera" category, the OnePlus 15T leads (78/100 vs 35/100). In the "battery" category, the OnePlus 15T leads (84/100 vs 66/100). In the "performance" category, the OnePlus 15T significantly outperforms the Oppo K12 (97/100 vs 58/100). In the "display" category, the OnePlus 15T is a bit better (89/100 vs 80/100). In the "camera" category, the OnePlus 15T significantly outperforms the Oppo K12 (78/100 vs 35/100). In the "battery" category, the OnePlus 15T notably outperforms the Oppo K12 (84/100 vs 66/100). In the "portability" category, the Oppo K12 is a bit better (63/100 vs 51/100).
| Specification | OnePlus 15T | Oppo K12 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 7 Gen 3 | |
| AnTuTu | 3676955 | 1025251 | |
| Geekbench Single | 3640 | 1131 | |
| Geekbench Multi | 11033 | 2967 | |
| Display | 6.8" LTPO AMOLED | 6.7" AMOLED | |
| Resolution | 3168x1440 | 1080x2412 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 6400 mAh | 5500 mAh | |
| Charging | 100W | 100W | |
| Wireless charging | 50W | 0W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 50 MP | 8 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 32 MP | 16 MP | |
| RAM | 12GB / 16GB | 8GB / 12GB | |
| Storage | 256GB / 512GB | 256GB / 512GB | |
| OS | Android 16 | Android 14, ColorOS 14 | |
| Brightness (peak) | 3600 nits | 1100 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP54 | |
| Dimensions | 150.6×71.8×8.4 mm | 162.5×75.3×8.4 mm | |
| Weight | 206 g | 186 g | |
| Launch price | $799 | — |
OnePlus 15T
- Main: 50MP f/1.6
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Oppo K12
- Main: 50MP f/f/1.8
- Ultrawide: 8MP
- Front: 16MP
OnePlus 15T
- 6.8" LTPO AMOLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
Oppo K12
- 6.7" AMOLED
- Resolution: 1080x2412
- Refresh rate: 120 Hz
OnePlus 15T
- 6400 mAh
- Wired: 100W
- Wireless: 50W
Oppo K12
- 5500 mAh
- Wired: 100W
- No wireless charging
We compared OnePlus 15T and Oppo K12, covering their specs and all relevant benchmarks.
OnePlus 15T leads Oppo K12 by 258.6% in our overall performance rating.
Oppo K12
Price unknownperformance
In the "performance" category, the OnePlus 15T significantly outperforms the Oppo K12 (97/100 vs 58/100).
display
In the "display" category, the OnePlus 15T is a bit better (89/100 vs 80/100).
camera
In the "camera" category, the OnePlus 15T significantly outperforms the Oppo K12 (78/100 vs 35/100).
battery
In the "battery" category, the OnePlus 15T notably outperforms the Oppo K12 (84/100 vs 66/100).
portability
In the "portability" category, the Oppo K12 is a bit better (63/100 vs 51/100).
Which is better: the OnePlus 15T or the Oppo K12?
The OnePlus 15T significantly outperforms the Oppo K12 by 29 points (86/100 vs 57/100).
What is the rating of the OnePlus 15T and the Oppo K12?
The OnePlus 15T has a MobileRank rating of 86/100, the Oppo K12 — 57/100.
Which has the better camera: the OnePlus 15T or the Oppo K12?
The OnePlus 15T leads on camera score (78/100 vs 35/100).
Which is more powerful: the OnePlus 15T or the Oppo K12?
The OnePlus 15T leads on performance (97/100 vs 58/100).
Should you choose the OnePlus 15T over the Oppo K12?
The OnePlus 15T is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Oppo K12 is a better fit for everyday use.