Oppo K12 vs Xiaomi 18 Pro Max
The Oppo K12 (2024) runs on the Qualcomm Snapdragon 7 Gen 3, while the Xiaomi 18 Pro Max (2026) runs on the Qualcomm Snapdragon 8 Elite Extreme Gen 6. By overall MobileRank rating, the Xiaomi 18 Pro Max leads — 92/100 vs 57/100 (a 35-point difference). Key differences: the Xiaomi 18 Pro Max has the bigger battery (8500 mAh vs 5500); the main camera is 50 MP vs 200 MP; the Xiaomi 18 Pro Max is faster in AnTuTu (5,001,234 vs 1,027,925); the Oppo K12 is noticeably lighter (186g vs 235g).
Profile comparison
Category scores
Oppo K12
Xiaomi 18 Pro Max
What makes Oppo K12 better?
- Lighter: 186g vs 235g
- Better portability (63/100 vs 33/100)
What makes Xiaomi 18 Pro Max better?
- Higher AnTuTu: 5001234 vs 1027925
- Better Geekbench Single: 4327 vs 1131
- Better Geekbench Multi: 12873 vs 3111
- Bigger battery: 8500 vs 5500 mAh
- Better main camera: 200MP vs 50MP
- Higher performance (100/100 vs 59/100)
- Better camera (100/100 vs 35/100)
- Longer battery life (92/100 vs 66/100)
- Better display (82/100 vs 80/100)
Comparison verdict
Comparing the Oppo K12 vs the Xiaomi 18 Pro Max, the Xiaomi 18 Pro Max scores 35 points higher (92/100 vs 57/100). In the "performance" category, the Xiaomi 18 Pro Max leads (100/100 vs 59/100). In the "camera" category, the Xiaomi 18 Pro Max leads (100/100 vs 35/100). In the "battery" category, the Xiaomi 18 Pro Max leads (92/100 vs 66/100). In the "performance" category, the Xiaomi 18 Pro Max significantly outperforms the Oppo K12 (100/100 vs 59/100). In the "display" category, the Xiaomi 18 Pro Max and the Oppo K12 are nearly equal (82/100 vs 80/100). In the "camera" category, the Xiaomi 18 Pro Max significantly outperforms the Oppo K12 (100/100 vs 35/100). In the "battery" category, the Xiaomi 18 Pro Max notably outperforms the Oppo K12 (92/100 vs 66/100). In the "portability" category, the Oppo K12 significantly outperforms the Xiaomi 18 Pro Max (63/100 vs 33/100).
Specs comparison
| Specification | Oppo K12 | Xiaomi 18 Pro Max | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 7 Gen 3 | Qualcomm Snapdragon 8 Elite Extreme Gen 6 | |
| AnTuTu | 1027925 | 5001234 | |
| Geekbench Single | 1131 | 4327 | |
| Geekbench Multi | 3111 | 12873 | |
| Display | 6.7" AMOLED | 6.9" LTPO AMOLED | |
| Resolution | 1080x2412 | 1208x2624 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 5500 mAh | 8500 mAh | |
| Charging | 100W | 100W | |
| Wireless charging | 0W | 50W | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 0 MP | 200 MP | |
| Front camera | 16 MP | 50 MP | |
| RAM | 8GB / 12GB | 12GB / 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB / 1TB | |
| OS | Android 14, ColorOS 14 | Android 17 | |
| Brightness (peak) | 1100 nits | 4000 nits | |
| NFC | yes | yes | |
| Protection | IP54 | IP68/IP69 | |
| Dimensions | 162.5×75.3×8.4 mm | 163.4×77.6×8.4 mm | |
| Weight | 186 g | 235 g | |
| Launch price | — | $986 |
Camera comparison
Oppo K12
- Main: 50MP f/1.8
- Ultrawide: 8MP
- Front: 16MP
Xiaomi 18 Pro Max
- Main: 200MP f/1.7
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 50MP
Display comparison
Oppo K12
- 6.7" AMOLED
- Resolution: 1080x2412
- Refresh rate: 120 Hz
Xiaomi 18 Pro Max
- 6.9" LTPO AMOLED
- Resolution: 1208x2624
- Refresh rate: 120 Hz
Battery and charging
Oppo K12
- 5500 mAh
- Wired: 100W
- No wireless charging
Xiaomi 18 Pro Max
- 8500 mAh
- Wired: 100W
- Wireless: 50W
Overall performance score
We compared Oppo K12 and Xiaomi 18 Pro Max, covering their specs and all relevant benchmarks.
Xiaomi 18 Pro Max leads Oppo K12 by 79.4% 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 Xiaomi 18 Pro Max significantly outperforms the Oppo K12 (100/100 vs 59/100).
display
In the "display" category, the Xiaomi 18 Pro Max and the Oppo K12 are nearly equal (82/100 vs 80/100).
camera
In the "camera" category, the Xiaomi 18 Pro Max significantly outperforms the Oppo K12 (100/100 vs 35/100).
battery
In the "battery" category, the Xiaomi 18 Pro Max notably outperforms the Oppo K12 (92/100 vs 66/100).
portability
In the "portability" category, the Oppo K12 significantly outperforms the Xiaomi 18 Pro Max (63/100 vs 33/100).
Frequently asked questions
Which is better: the Oppo K12 or the Xiaomi 18 Pro Max?
The Xiaomi 18 Pro Max significantly outperforms the Oppo K12 by 35 points (92/100 vs 57/100).
What is the rating of the Oppo K12 and the Xiaomi 18 Pro Max?
The Oppo K12 has a MobileRank rating of 57/100, the Xiaomi 18 Pro Max — 92/100.
Which has the better camera: the Oppo K12 or the Xiaomi 18 Pro Max?
The Xiaomi 18 Pro Max leads on camera score (100/100 vs 35/100).
Which is more powerful: the Oppo K12 or the Xiaomi 18 Pro Max?
The Xiaomi 18 Pro Max leads on performance (100/100 vs 59/100).
Should you choose the Oppo K12 over the Xiaomi 18 Pro Max?
The Xiaomi 18 Pro Max is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.