OPPO K15 Pro vs Vivo X300 Pro
The OPPO K15 Pro (2026) runs on the MediaTek Dimensity 8500, while the Vivo X300 Pro (2025) runs on the Dimensity 9500; launch prices were $436 and $899. By overall MobileRank rating, the Vivo X300 Pro leads — 87/100 vs 67/100 (a 20-point difference). Key differences: the OPPO K15 Pro has the bigger battery (7500 mAh vs 6510); the main camera is 50 MP vs 200 MP; the Vivo X300 Pro is faster in AnTuTu (3,269,794 vs 2,254,164); the OPPO K15 Pro is noticeably lighter (200g vs 226g).
OPPO K15 Pro
Vivo X300 Pro
- Bigger battery: 7500 vs 6510 mAh
- Higher refresh rate: 144Hz vs 120Hz
- Lighter: 200g vs 226g
- Cheaper at launch: $436 vs $899
- Better display (94/100 vs 84/100)
- Better portability (56/100 vs 43/100)
- Higher AnTuTu: 3269794 vs 2254164
- Better Geekbench Single: 3228 vs 1553
- Better Geekbench Multi: 9553 vs 6403
- Faster charging: 90W vs 80W
- Better main camera: 200MP vs 50MP
- Higher performance (93/100 vs 78/100)
- Better camera (96/100 vs 35/100)
- Longer battery life (81/100 vs 69/100)
Comparing the OPPO K15 Pro vs the Vivo X300 Pro, the Vivo X300 Pro scores 20 points higher (87/100 vs 67/100). In the "performance" category, the Vivo X300 Pro leads (93/100 vs 78/100). In the "camera" category, the Vivo X300 Pro leads (96/100 vs 35/100). In the "battery" category, the Vivo X300 Pro leads (81/100 vs 69/100). Value score: OPPO K15 Pro — 68/100, Vivo X300 Pro — 86/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Vivo X300 Pro notably outperforms the OPPO K15 Pro (93/100 vs 78/100). In the "display" category, the OPPO K15 Pro is a bit better (94/100 vs 84/100). In the "camera" category, the Vivo X300 Pro significantly outperforms the OPPO K15 Pro (96/100 vs 35/100). In the "battery" category, the Vivo X300 Pro is a bit better (81/100 vs 69/100). In the "portability" category, the OPPO K15 Pro is a bit better (56/100 vs 43/100).
| Specification | OPPO K15 Pro | Vivo X300 Pro | |
|---|---|---|---|
| Processor | MediaTek Dimensity 8500 | Dimensity 9500 | |
| AnTuTu | 2254164 | 3269794 | |
| Geekbench Single | 1553 | 3228 | |
| Geekbench Multi | 6403 | 9553 | |
| Display | 6.6" AMOLED | 6.8" AMOLED | |
| Resolution | 2760x1256 | 1260x2800 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7500 mAh | 6510 mAh | |
| Charging | 80W | 90W | |
| Wireless charging | 0W | 40W | |
| DXOMark (camera) | — | 171 | |
| Main camera | 50 MP | 200 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 / 1TB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | 1800 nits | 4500 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 162.4×77.5×8.3 mm | 161.2×75.5×8.0 mm | |
| Weight | 200 g | 226 g | |
| Launch price | $436 | $899 |
OPPO K15 Pro
- Main: 50MP f/f/1.8
- Ultrawide: 8MP
- Front: 16MP
Vivo X300 Pro
- Main: 200MP f/f/1.57
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
OPPO K15 Pro
- 6.6" AMOLED
- Resolution: 2760x1256
- Refresh rate: 144 Hz
Vivo X300 Pro
- 6.8" AMOLED
- Resolution: 1260x2800
- Refresh rate: 120 Hz
OPPO K15 Pro
- 7500 mAh
- Wired: 80W
- No wireless charging
Vivo X300 Pro
- 6510 mAh
- NanoReview test: web browsing 13:30 hrs, total 24:37 hrs
- Wired: 90W
- Wireless: 40W
We compared OPPO K15 Pro and Vivo X300 Pro, covering their specs and all relevant benchmarks.
Vivo X300 Pro leads OPPO K15 Pro by 31.1% in our overall performance rating.
Launch price difference: $463. OPPO K15 Pro was $463 cheaper at launch.
performance
In the "performance" category, the Vivo X300 Pro notably outperforms the OPPO K15 Pro (93/100 vs 78/100).
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 Pro significantly outperforms the OPPO K15 Pro (96/100 vs 35/100).
battery
In the "battery" category, the Vivo X300 Pro is a bit better (81/100 vs 69/100).
portability
In the "portability" category, the OPPO K15 Pro is a bit better (56/100 vs 43/100).
Which is better: the OPPO K15 Pro or the Vivo X300 Pro?
The Vivo X300 Pro significantly outperforms the OPPO K15 Pro by 20 points (87/100 vs 67/100).
What is the rating of the OPPO K15 Pro and the Vivo X300 Pro?
The OPPO K15 Pro has a MobileRank rating of 67/100, the Vivo X300 Pro — 87/100.
Which has the better camera: the OPPO K15 Pro or the Vivo X300 Pro?
The Vivo X300 Pro leads on camera score (96/100 vs 35/100).
Which is more powerful: the OPPO K15 Pro or the Vivo X300 Pro?
The Vivo X300 Pro leads on performance (93/100 vs 78/100).
Should you choose the OPPO K15 Pro over the Vivo X300 Pro?
The OPPO K15 Pro is a better fit for active users. The Vivo X300 Pro is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.