Poco C85x vs Vivo X300 Ultra
The Poco C85x (2026) runs on the MediaTek Dimensity 6300, 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 40/100 (a 51-point difference). Key differences: the Vivo X300 Ultra has the bigger battery (7000 mAh vs 6300); the main camera is 32 MP vs 200 MP; the Vivo X300 Ultra is faster in AnTuTu (4,247,433 vs 528,398); the Vivo X300 Ultra has NFC for contactless payments, the Poco C85x doesn't; the Poco C85x is noticeably lighter (210g vs 230g).
Profile comparison
Category scores
Poco C85x
Vivo X300 Ultra
What makes Poco C85x better?
- Lighter: 210g vs 230g
- Better portability (51/100 vs 39/100)
What makes Vivo X300 Ultra better?
- Higher AnTuTu: 4247433 vs 528398
- Better Geekbench Single: 3639 vs 771
- Better Geekbench Multi: 11047 vs 1980
- Bigger battery: 7000 vs 6300 mAh
- Faster charging: 100W vs 15W
- Better main camera: 200MP vs 32MP
- Higher performance (99/100 vs 43/100)
- Better camera (96/100 vs 20/100)
- Longer battery life (85/100 vs 52/100)
- Better display (89/100 vs 55/100)
Comparison verdict
Comparing the Poco C85x vs the Vivo X300 Ultra, the Vivo X300 Ultra scores 51 points higher (91/100 vs 40/100). In the "performance" category, the Vivo X300 Ultra leads (99/100 vs 43/100). In the "camera" category, the Vivo X300 Ultra leads (96/100 vs 20/100). In the "battery" category, the Vivo X300 Ultra leads (85/100 vs 52/100). In the "performance" category, the Vivo X300 Ultra significantly outperforms the Poco C85x (99/100 vs 43/100). In the "display" category, the Vivo X300 Ultra significantly outperforms the Poco C85x (89/100 vs 55/100). In the "camera" category, the Vivo X300 Ultra significantly outperforms the Poco C85x (96/100 vs 20/100). In the "battery" category, the Vivo X300 Ultra significantly outperforms the Poco C85x (85/100 vs 52/100). In the "portability" category, the Poco C85x is a bit better (51/100 vs 39/100).
Specs comparison
| Specification | Poco C85x | Vivo X300 Ultra | |
|---|---|---|---|
| Processor | MediaTek Dimensity 6300 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 528398 | 4247433 | |
| Geekbench Single | 771 | 3639 | |
| Geekbench Multi | 1980 | 11047 | |
| Display | 6.9" IPS LCD | 6.8" LTPO OLED | |
| Resolution | 720x1600 | 3168x1440 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 6300 mAh | 7000 mAh | |
| Charging | 15W | 100W | |
| Wireless charging | 0W | 40W | |
| DXOMark (camera) | — | 170 | |
| Main camera | 32 MP | 200 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 200 MP | |
| Front camera | 8 MP | 32 MP | |
| RAM | 4GB | 12GB / 16GB | |
| Storage | 64GB / 128GB | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | 810 nits | — | |
| NFC | no | yes | |
| Protection | — | IP69 | |
| Dimensions | 171.6×79.5×8.2 mm | 163.0×76.8×8.2 mm | |
| Weight | 210 g | 230 g | |
| Launch price | — | $950 |
Camera comparison
Poco C85x
- Main: 32MP
- Front: 8MP
Vivo X300 Ultra
- Main: 200MP f/1.6
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
Display comparison
Poco C85x
- 6.9" IPS LCD
- Resolution: 720x1600
- Refresh rate: 120 Hz
Vivo X300 Ultra
- 6.8" LTPO OLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
Battery and charging
Poco C85x
- 6300 mAh
- Wired: 15W
- 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 Poco C85x and Vivo X300 Ultra, covering their specs and all relevant benchmarks.
Vivo X300 Ultra leads Poco C85x by 87.6% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Poco C85x
Price unknownDetailed category analysis
performance
In the "performance" category, the Vivo X300 Ultra significantly outperforms the Poco C85x (99/100 vs 43/100).
display
In the "display" category, the Vivo X300 Ultra significantly outperforms the Poco C85x (89/100 vs 55/100).
camera
In the "camera" category, the Vivo X300 Ultra significantly outperforms the Poco C85x (96/100 vs 20/100).
battery
In the "battery" category, the Vivo X300 Ultra significantly outperforms the Poco C85x (85/100 vs 52/100).
portability
In the "portability" category, the Poco C85x is a bit better (51/100 vs 39/100).
Frequently asked questions
Which is better: the Poco C85x or the Vivo X300 Ultra?
The Vivo X300 Ultra significantly outperforms the Poco C85x by 51 points (91/100 vs 40/100).
What is the rating of the Poco C85x and the Vivo X300 Ultra?
The Poco C85x has a MobileRank rating of 40/100, the Vivo X300 Ultra — 91/100.
Which has the better camera: the Poco C85x or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on camera score (96/100 vs 20/100).
Which is more powerful: the Poco C85x or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on performance (99/100 vs 43/100).
Should you choose the Poco C85x 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.