OPPO K15 Pro+ vs Vivo X300
The OPPO K15 Pro+ (2026) runs on the MediaTek Dimensity 9500s, while the Vivo X300 (2024) runs on the MediaTek Dimensity 9300; launch prices were $509 and $499. By overall MobileRank rating, the Vivo X300 leads — 78/100 vs 71/100 (a 7-point difference). Key differences: the OPPO K15 Pro+ has the bigger battery (8000 mAh vs 5000); the OPPO K15 Pro+ is faster in AnTuTu (3,121,723 vs 2,555,121).
OPPO K15 Pro+
Vivo X300
- Higher AnTuTu: 3121723 vs 2555121
- Better Geekbench Single: 2680 vs 2142
- Better Geekbench Multi: 8358 vs 7125
- Bigger battery: 8000 vs 5000 mAh
- Faster charging: 100W vs 80W
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (89/100 vs 83/100)
- Longer battery life (75/100 vs 69/100)
- Better display (94/100 vs 84/100)
- Lighter: 206g vs 219g
- Cheaper at launch: $499 vs $509
- Better camera (78/100 vs 35/100)
- Better portability (55/100 vs 44/100)
Comparing the OPPO K15 Pro+ vs the Vivo X300, the Vivo X300 scores 7 points higher (78/100 vs 71/100). In the "camera" category, the Vivo X300 leads (78/100 vs 35/100). Value score: OPPO K15 Pro+ — 66/100, Vivo X300 — 82/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the OPPO K15 Pro+ is a bit better (89/100 vs 83/100). In the "display" category, the OPPO K15 Pro+ is a bit better (94/100 vs 84/100). In the "camera" category, the Vivo X300 significantly outperforms the OPPO K15 Pro+ (78/100 vs 35/100). In the "battery" category, the OPPO K15 Pro+ is a bit better (75/100 vs 69/100). In the "portability" category, the Vivo X300 is a bit better (55/100 vs 44/100).
| Specification | OPPO K15 Pro+ | Vivo X300 | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9500s | MediaTek Dimensity 9300 | |
| AnTuTu | 3121723 | 2555121 | |
| Geekbench Single | 2680 | 2142 | |
| Geekbench Multi | 8358 | 7125 | |
| Display | 6.8" AMOLED | 6.8" AMOLED | |
| Resolution | 2772x1272 | 2800x1260 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 8000 mAh | 5000 mAh | |
| Charging | 100W | 80W | |
| Wireless charging | 0W | 40W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 16 MP | 32 MP | |
| RAM | 12GB | 12GB / 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB | |
| OS | Android 16 | Android 14 | |
| Brightness (peak) | 1800 nits | 4500 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 162.4×77.5×8.3 mm | 150.6×71.9×8.0 mm | |
| Weight | 219 g | 206 g | |
| Launch price | $509 | $499 |
OPPO K15 Pro+
- Main: 50MP f/f/1.8
- Ultrawide: 8MP
- Front: 16MP
Vivo X300
- Main: 50MP f/f/1.57
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
OPPO K15 Pro+
- 6.8" AMOLED
- Resolution: 2772x1272
- Refresh rate: 165 Hz
Vivo X300
- 6.8" AMOLED
- Resolution: 2800x1260
- Refresh rate: 120 Hz
OPPO K15 Pro+
- 8000 mAh
- Wired: 100W
- No wireless charging
Vivo X300
- 5000 mAh
- Wired: 80W
- Wireless: 40W
We compared OPPO K15 Pro+ and Vivo X300, covering their specs and all relevant benchmarks.
OPPO K15 Pro+ leads Vivo X300 by 22.2% in our overall performance rating.
Launch price difference: $10. Vivo X300 was $10 cheaper at launch.
performance
In the "performance" category, the OPPO K15 Pro+ is a bit better (89/100 vs 83/100).
display
In the "display" category, the OPPO K15 Pro+ is a bit better (94/100 vs 84/100).
camera
In the "camera" category, the Vivo X300 significantly outperforms the OPPO K15 Pro+ (78/100 vs 35/100).
battery
In the "battery" category, the OPPO K15 Pro+ is a bit better (75/100 vs 69/100).
portability
In the "portability" category, the Vivo X300 is a bit better (55/100 vs 44/100).
Which is better: the OPPO K15 Pro+ or the Vivo X300?
The Vivo X300 edges out the OPPO K15 Pro+ by just 7 points — the two devices are very close in overall level.
What is the rating of the OPPO K15 Pro+ and the Vivo X300?
The OPPO K15 Pro+ has a MobileRank rating of 71/100, the Vivo X300 — 78/100.
Which has the better camera: the OPPO K15 Pro+ or the Vivo X300?
The Vivo X300 leads on camera score (78/100 vs 35/100).
Which is more powerful: the OPPO K15 Pro+ or the Vivo X300?
The OPPO K15 Pro+ leads on performance (89/100 vs 83/100).
Should you choose the OPPO K15 Pro+ over the Vivo X300?
The OPPO K15 Pro+ is a better fit for gamers and power users, those who care about battery life. The Vivo X300 is a better fit for gamers and power users, budget-conscious buyers.