Oppo K12x vs Vivo iQOO 15T
The Oppo K12x (2024) runs on the Qualcomm Snapdragon 695 5G, while the Vivo iQOO 15T (2026) runs on the MediaTek Dimensity 9500. By overall MobileRank rating, the Vivo iQOO 15T leads — 82/100 vs 51/100 (a 31-point difference). Key differences: the Vivo iQOO 15T has the bigger battery (8000 mAh vs 5500); the main camera is 50 MP vs 200 MP; the Vivo iQOO 15T is faster in AnTuTu (3,815,522 vs 592,015); the Vivo iQOO 15T has NFC for contactless payments, the Oppo K12x doesn't; the Oppo K12x is noticeably lighter (191g vs 216g).
Oppo K12x
Vivo iQOO 15T
- Lighter: 191g vs 216g
- Better portability (63/100 vs 44/100)
- Higher AnTuTu: 3815522 vs 592015
- Better Geekbench Single: 3228 vs 905
- Better Geekbench Multi: 9553 vs 2003
- Bigger battery: 8000 vs 5500 mAh
- Faster charging: 100W vs 80W
- Better main camera: 200MP vs 50MP
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (95/100 vs 46/100)
- Better camera (65/100 vs 32/100)
- Longer battery life (75/100 vs 62/100)
- Better display (99/100 vs 79/100)
Comparing the Oppo K12x vs the Vivo iQOO 15T, the Vivo iQOO 15T scores 31 points higher (82/100 vs 51/100). In the "performance" category, the Vivo iQOO 15T leads (95/100 vs 46/100). In the "camera" category, the Vivo iQOO 15T leads (65/100 vs 32/100). In the "battery" category, the Vivo iQOO 15T leads (75/100 vs 62/100). In the "performance" category, the Vivo iQOO 15T significantly outperforms the Oppo K12x (95/100 vs 46/100). In the "display" category, the Vivo iQOO 15T notably outperforms the Oppo K12x (99/100 vs 79/100). In the "camera" category, the Vivo iQOO 15T significantly outperforms the Oppo K12x (65/100 vs 32/100). In the "battery" category, the Vivo iQOO 15T is a bit better (75/100 vs 62/100). In the "portability" category, the Oppo K12x notably outperforms the Vivo iQOO 15T (63/100 vs 44/100).
| Specification | Oppo K12x | Vivo iQOO 15T | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 695 5G | MediaTek Dimensity 9500 | |
| AnTuTu | 592015 | 3815522 | |
| Geekbench Single | 905 | 3228 | |
| Geekbench Multi | 2003 | 9553 | |
| Display | 6.7" OLED | 6.8" LTPO AMOLED | |
| Resolution | 1080x2400 | 1440x3168 | |
| Refresh rate | 120 Hz | 144 Hz | |
| Battery | 5500 mAh | 8000 mAh | |
| Charging | 80W | 100W | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Front camera | 16 MP | 16 MP | |
| RAM | 8GB / 12GB | 12GB / 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB / 1TB | |
| OS | Android 14, ColorOS 14 | Android 16 | |
| Brightness (peak) | 2100 nits | — | |
| NFC | no | yes | |
| Protection | — | IP68 | |
| Dimensions | 162.9×75.6×8.1 mm | — | |
| Weight | 191 g | 216 g | |
| Launch price | — | $499 |
Oppo K12x
- Main: 50MP f/f/1.8
- Front: 16MP
Vivo iQOO 15T
- Main: 200MP f/f/1.8
- Ultrawide: 50MP
- Front: 16MP
Oppo K12x
- 6.7" OLED
- Resolution: 1080x2400
- Refresh rate: 120 Hz
Vivo iQOO 15T
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Oppo K12x
- 5500 mAh
- Wired: 80W
- No wireless charging
Vivo iQOO 15T
- 8000 mAh
- Wired: 100W
- No wireless charging
We compared Oppo K12x and Vivo iQOO 15T, covering their specs and all relevant benchmarks.
Vivo iQOO 15T leads Oppo K12x by 84.5% in our overall performance rating.
Oppo K12x
Price unknownperformance
In the "performance" category, the Vivo iQOO 15T significantly outperforms the Oppo K12x (95/100 vs 46/100).
display
In the "display" category, the Vivo iQOO 15T notably outperforms the Oppo K12x (99/100 vs 79/100).
camera
In the "camera" category, the Vivo iQOO 15T significantly outperforms the Oppo K12x (65/100 vs 32/100).
battery
In the "battery" category, the Vivo iQOO 15T is a bit better (75/100 vs 62/100).
portability
In the "portability" category, the Oppo K12x notably outperforms the Vivo iQOO 15T (63/100 vs 44/100).
Which is better: the Oppo K12x or the Vivo iQOO 15T?
The Vivo iQOO 15T significantly outperforms the Oppo K12x by 31 points (82/100 vs 51/100).
What is the rating of the Oppo K12x and the Vivo iQOO 15T?
The Oppo K12x has a MobileRank rating of 51/100, the Vivo iQOO 15T — 82/100.
Which has the better camera: the Oppo K12x or the Vivo iQOO 15T?
The Vivo iQOO 15T leads on camera score (65/100 vs 32/100).
Which is more powerful: the Oppo K12x or the Vivo iQOO 15T?
The Vivo iQOO 15T leads on performance (95/100 vs 46/100).
Should you choose the Oppo K12x over the Vivo iQOO 15T?
The Oppo K12x is a better fit for everyday use. The Vivo iQOO 15T is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.