OnePlus Ace 6 Ultra vs Vivo X300 FE (Russia)
The OnePlus Ace 6 Ultra (2026) runs on the MediaTek Dimensity 9500, while the Vivo X300 FE (Russia) (2026) runs on the Snapdragon 8 Gen 5. By overall MobileRank rating, the Vivo X300 FE (Russia) leads — 79/100 vs 74/100 (a 5-point difference). Key differences: the OnePlus Ace 6 Ultra has the bigger battery (8600 mAh vs 6500); the OnePlus Ace 6 Ultra is faster in AnTuTu (3,429,868 vs 3,057,215); the Vivo X300 FE (Russia) is noticeably lighter (191g vs 217g).
Profile comparison
Category scores
OnePlus Ace 6 Ultra
Vivo X300 FE (Russia)
What makes OnePlus Ace 6 Ultra better?
- Higher AnTuTu: 3429868 vs 3057215
- Better Geekbench Single: 3352 vs 2833
- Better Geekbench Multi: 10402 vs 9119
- Bigger battery: 8600 vs 6500 mAh
- Faster charging: 120W vs 90W
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (94/100 vs 90/100)
- Longer battery life (82/100 vs 81/100)
- Better display (94/100 vs 85/100)
What makes Vivo X300 FE (Russia) better?
- Lighter: 191g vs 217g
- Better camera (64/100 vs 35/100)
- Better portability (64/100 vs 43/100)
Comparison verdict
Comparing the OnePlus Ace 6 Ultra vs the Vivo X300 FE (Russia), the Vivo X300 FE (Russia) scores 5 points higher (79/100 vs 74/100). In the "camera" category, the Vivo X300 FE (Russia) leads (64/100 vs 35/100). In the "performance" category, the OnePlus Ace 6 Ultra and the Vivo X300 FE (Russia) are nearly equal (94/100 vs 90/100). In the "display" category, the OnePlus Ace 6 Ultra is a bit better (94/100 vs 85/100). In the "camera" category, the Vivo X300 FE (Russia) notably outperforms the OnePlus Ace 6 Ultra (64/100 vs 35/100). In the "battery" category, the OnePlus Ace 6 Ultra and the Vivo X300 FE (Russia) are nearly equal (82/100 vs 81/100). In the "portability" category, the Vivo X300 FE (Russia) notably outperforms the OnePlus Ace 6 Ultra (64/100 vs 43/100).
Specs comparison
| Specification | OnePlus Ace 6 Ultra | Vivo X300 FE (Russia) | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9500 | Snapdragon 8 Gen 5 | |
| AnTuTu | 3429868 | 3057215 | |
| Geekbench Single | 3352 | 2833 | |
| Geekbench Multi | 10402 | 9119 | |
| Display | 6.8" AMOLED | 6.3" LTPO AMOLED | |
| Resolution | 1272x2772 | 1216x2640 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 8600 mAh | 6500 mAh | |
| Charging | 120W | 90W | |
| Wireless charging | 0W | 40W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 16 MP | 50 MP | |
| RAM | 12GB / 16GB | 12GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB | |
| OS | Android 16 | Android 16, OriginOS 6 | |
| Brightness (peak) | 1800 nits | 5000 nits | |
| NFC | yes | yes | |
| Protection | IP66 | IP68/IP69 | |
| Dimensions | 162.5×77.5×8.5 mm | 150.8×71.8×8.0 mm | |
| Weight | 217 g | 191 g | |
| Launch price | $555 | — |
Camera comparison
OnePlus Ace 6 Ultra
- Main: 50MP f/1.8
- Ultrawide: 8MP
- Front: 16MP
Vivo X300 FE (Russia)
- Main: 50MP f/1.6
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 50MP
Display comparison
OnePlus Ace 6 Ultra
- 6.8" AMOLED
- Resolution: 1272x2772
- Refresh rate: 165 Hz
Vivo X300 FE (Russia)
- 6.3" LTPO AMOLED
- Resolution: 1216x2640
- Refresh rate: 120 Hz
Battery and charging
OnePlus Ace 6 Ultra
- 8600 mAh
- Wired: 120W
- No wireless charging
Vivo X300 FE (Russia)
- 6500 mAh
- Wired: 90W
- Wireless: 40W
Overall performance score
We compared OnePlus Ace 6 Ultra and Vivo X300 FE (Russia), covering their specs and all relevant benchmarks.
OnePlus Ace 6 Ultra leads Vivo X300 FE (Russia) by 12.2% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Vivo X300 FE (Russia)
Price unknownDetailed category analysis
performance
In the "performance" category, the OnePlus Ace 6 Ultra and the Vivo X300 FE (Russia) are nearly equal (94/100 vs 90/100).
display
In the "display" category, the OnePlus Ace 6 Ultra is a bit better (94/100 vs 85/100).
camera
In the "camera" category, the Vivo X300 FE (Russia) notably outperforms the OnePlus Ace 6 Ultra (64/100 vs 35/100).
battery
In the "battery" category, the OnePlus Ace 6 Ultra and the Vivo X300 FE (Russia) are nearly equal (82/100 vs 81/100).
portability
In the "portability" category, the Vivo X300 FE (Russia) notably outperforms the OnePlus Ace 6 Ultra (64/100 vs 43/100).
Frequently asked questions
Which is better: the OnePlus Ace 6 Ultra or the Vivo X300 FE (Russia)?
The Vivo X300 FE (Russia) edges out the OnePlus Ace 6 Ultra by just 5 points — the two devices are very close in overall level.
What is the rating of the OnePlus Ace 6 Ultra and the Vivo X300 FE (Russia)?
The OnePlus Ace 6 Ultra has a MobileRank rating of 74/100, the Vivo X300 FE (Russia) — 79/100.
Which has the better camera: the OnePlus Ace 6 Ultra or the Vivo X300 FE (Russia)?
The Vivo X300 FE (Russia) leads on camera score (64/100 vs 35/100).
Should you choose the OnePlus Ace 6 Ultra over the Vivo X300 FE (Russia)?
The OnePlus Ace 6 Ultra is a better fit for gamers and power users, those who care about battery life. The Vivo X300 FE (Russia) is a better fit for gamers and power users, those who care about battery life.