Oppo K12 Plus vs Vivo X300 Ultra
The Oppo K12 Plus (2024) runs on the Qualcomm Snapdragon 7 Gen 3, while the Vivo X300 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5. By overall MobileRank rating, the Vivo X300 Ultra leads — 91/100 vs 57/100 (a 34-point difference). Key differences: the Vivo X300 Ultra has the bigger battery (7000 mAh vs 6400); the main camera is 50 MP vs 200 MP; the Vivo X300 Ultra is faster in AnTuTu (4,247,433 vs 1,027,925); the Oppo K12 Plus is noticeably lighter (192g vs 230g).
Profile comparison
Category scores
Oppo K12 Plus
Vivo X300 Ultra
What makes Oppo K12 Plus better?
- Lighter: 192g vs 230g
- Better portability (60/100 vs 39/100)
What makes Vivo X300 Ultra better?
- Higher AnTuTu: 4247433 vs 1027925
- Better Geekbench Single: 3639 vs 1131
- Better Geekbench Multi: 11047 vs 3111
- Bigger battery: 7000 vs 6400 mAh
- Faster charging: 100W vs 80W
- Better main camera: 200MP vs 50MP
- Higher performance (99/100 vs 59/100)
- Better camera (96/100 vs 35/100)
- Longer battery life (85/100 vs 65/100)
- Better display (89/100 vs 80/100)
Comparison verdict
Comparing the Oppo K12 Plus vs the Vivo X300 Ultra, the Vivo X300 Ultra scores 34 points higher (91/100 vs 57/100). In the "performance" category, the Vivo X300 Ultra leads (99/100 vs 59/100). In the "camera" category, the Vivo X300 Ultra leads (96/100 vs 35/100). In the "battery" category, the Vivo X300 Ultra leads (85/100 vs 65/100). In the "performance" category, the Vivo X300 Ultra significantly outperforms the Oppo K12 Plus (99/100 vs 59/100). In the "display" category, the Vivo X300 Ultra is a bit better (89/100 vs 80/100). In the "camera" category, the Vivo X300 Ultra significantly outperforms the Oppo K12 Plus (96/100 vs 35/100). In the "battery" category, the Vivo X300 Ultra notably outperforms the Oppo K12 Plus (85/100 vs 65/100). In the "portability" category, the Oppo K12 Plus notably outperforms the Vivo X300 Ultra (60/100 vs 39/100).
Specs comparison
| Specification | Oppo K12 Plus | Vivo X300 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 7 Gen 3 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 1027925 | 4247433 | |
| Geekbench Single | 1131 | 3639 | |
| Geekbench Multi | 3111 | 11047 | |
| Display | 6.7" AMOLED | 6.8" LTPO OLED | |
| Resolution | 1080x2412 | 3168x1440 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 6400 mAh | 7000 mAh | |
| Charging | 80W | 100W | |
| Wireless charging | 0W | 40W | |
| DXOMark (camera) | — | 170 | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 0 MP | 200 MP | |
| Front camera | 16 MP | 32 MP | |
| RAM | 8GB / 12GB | 12GB / 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB / 1TB | |
| OS | Android 14, ColorOS 14.0 | Android 16 | |
| Brightness (peak) | 1100 nits | — | |
| NFC | yes | yes | |
| Protection | IP54 | IP69 | |
| Dimensions | 162.5×75.3×8.4 mm | 163.0×76.8×8.2 mm | |
| Weight | 192 g | 230 g | |
| Launch price | — | $950 |
Camera comparison
Oppo K12 Plus
- Main: 50MP f/1.8
- Ultrawide: 8MP
- Front: 16MP
Vivo X300 Ultra
- Main: 200MP f/1.6
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
Display comparison
Oppo K12 Plus
- 6.7" AMOLED
- Resolution: 1080x2412
- Refresh rate: 120 Hz
Vivo X300 Ultra
- 6.8" LTPO OLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
Battery and charging
Oppo K12 Plus
- 6400 mAh
- Wired: 80W
- No wireless charging
Vivo X300 Ultra
- 7000 mAh
- NanoReview test: web browsing 10:18 hrs, total 29:11 hrs
- Wired: 100W
- Wireless: 40W
Overall performance score
We compared Oppo K12 Plus and Vivo X300 Ultra, covering their specs and all relevant benchmarks.
Vivo X300 Ultra leads Oppo K12 Plus by 75.8% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Oppo K12 Plus
Price unknownDetailed category analysis
performance
In the "performance" category, the Vivo X300 Ultra significantly outperforms the Oppo K12 Plus (99/100 vs 59/100).
display
In the "display" category, the Vivo X300 Ultra is a bit better (89/100 vs 80/100).
camera
In the "camera" category, the Vivo X300 Ultra significantly outperforms the Oppo K12 Plus (96/100 vs 35/100).
battery
In the "battery" category, the Vivo X300 Ultra notably outperforms the Oppo K12 Plus (85/100 vs 65/100).
portability
In the "portability" category, the Oppo K12 Plus notably outperforms the Vivo X300 Ultra (60/100 vs 39/100).
Frequently asked questions
Which is better: the Oppo K12 Plus or the Vivo X300 Ultra?
The Vivo X300 Ultra significantly outperforms the Oppo K12 Plus by 34 points (91/100 vs 57/100).
What is the rating of the Oppo K12 Plus and the Vivo X300 Ultra?
The Oppo K12 Plus has a MobileRank rating of 57/100, the Vivo X300 Ultra — 91/100.
Which has the better camera: the Oppo K12 Plus or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on camera score (96/100 vs 35/100).
Which is more powerful: the Oppo K12 Plus or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on performance (99/100 vs 59/100).
Should you choose the Oppo K12 Plus over the Vivo X300 Ultra?
The Vivo X300 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.