Poco X3 vs Vivo X300 Ultra
The Poco X3 (2020) runs on the Qualcomm Snapdragon 732G, 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 47/100 (a 44-point difference). Key differences: the Vivo X300 Ultra has the bigger battery (7000 mAh vs 6000); the main camera is 64 MP vs 200 MP; the Vivo X300 Ultra is faster in AnTuTu (4,247,433 vs 531,656); the Vivo X300 Ultra has NFC for contactless payments, the Poco X3 doesn't; the Vivo X300 Ultra is thinner (8.2mm vs 10.1mm).
Profile comparison
Category scores
Poco X3
Vivo X300 Ultra
What makes Poco X3 better?
- Lighter: 225g vs 230g
- Overall rating 47/100
What makes Vivo X300 Ultra better?
- Higher AnTuTu: 4247433 vs 531656
- Better Geekbench Single: 3639 vs 752
- Better Geekbench Multi: 11047 vs 1819
- Bigger battery: 7000 vs 6000 mAh
- Faster charging: 100W vs 33W
- Better main camera: 200MP vs 64MP
- Higher performance (99/100 vs 42/100)
- Better camera (96/100 vs 46/100)
- Longer battery life (85/100 vs 53/100)
- Better display (89/100 vs 66/100)
- Better portability (39/100 vs 28/100)
Comparison verdict
Comparing the Poco X3 vs the Vivo X300 Ultra, the Vivo X300 Ultra scores 44 points higher (91/100 vs 47/100). In the "performance" category, the Vivo X300 Ultra leads (99/100 vs 42/100). In the "camera" category, the Vivo X300 Ultra leads (96/100 vs 46/100). In the "battery" category, the Vivo X300 Ultra leads (85/100 vs 53/100). In the "performance" category, the Vivo X300 Ultra significantly outperforms the Poco X3 (99/100 vs 42/100). In the "display" category, the Vivo X300 Ultra notably outperforms the Poco X3 (89/100 vs 66/100). In the "camera" category, the Vivo X300 Ultra significantly outperforms the Poco X3 (96/100 vs 46/100). In the "battery" category, the Vivo X300 Ultra significantly outperforms the Poco X3 (85/100 vs 53/100). In the "portability" category, the Vivo X300 Ultra is a bit better (39/100 vs 28/100).
Specs comparison
| Specification | Poco X3 | Vivo X300 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 732G | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 531656 | 4247433 | |
| Geekbench Single | 752 | 3639 | |
| Geekbench Multi | 1819 | 11047 | |
| Display | 6.7" IPS LCD | 6.8" LTPO OLED | |
| Resolution | 1080x2400 | 3168x1440 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 6000 mAh | 7000 mAh | |
| Charging | 33W | 100W | |
| Wireless charging | 0W | 40W | |
| DXOMark (camera) | — | 170 | |
| Main camera | 64 MP | 200 MP | |
| Ultrawide | 13 MP | 50 MP | |
| Telephoto | 0 MP | 200 MP | |
| Front camera | 20 MP | 32 MP | |
| RAM | 6GB / 8GB | 12GB / 16GB | |
| Storage | 64GB / 128GB | 256GB / 512GB / 1TB | |
| OS | Android 10, MIUI 12 | Android 16 | |
| Brightness (peak) | 450 nits | — | |
| NFC | no | yes | |
| Protection | IP53 | IP69 | |
| Dimensions | 165.3×76.8×10.1 mm | 163.0×76.8×8.2 mm | |
| Weight | 225 g | 230 g | |
| Launch price | — | $950 |
Camera comparison
Poco X3
- Main: 64MP f/1.9
- Ultrawide: 13MP
- Front: 20MP
Vivo X300 Ultra
- Main: 200MP f/1.6
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
Display comparison
Poco X3
- 6.7" IPS LCD
- Resolution: 1080x2400
- Refresh rate: 120 Hz
Vivo X300 Ultra
- 6.8" LTPO OLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
Battery and charging
Poco X3
- 6000 mAh
- Wired: 33W
- 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 X3 and Vivo X300 Ultra, covering their specs and all relevant benchmarks.
Vivo X300 Ultra leads Poco X3 by 87.5% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Poco X3
Price unknownDetailed category analysis
performance
In the "performance" category, the Vivo X300 Ultra significantly outperforms the Poco X3 (99/100 vs 42/100).
display
In the "display" category, the Vivo X300 Ultra notably outperforms the Poco X3 (89/100 vs 66/100).
camera
In the "camera" category, the Vivo X300 Ultra significantly outperforms the Poco X3 (96/100 vs 46/100).
battery
In the "battery" category, the Vivo X300 Ultra significantly outperforms the Poco X3 (85/100 vs 53/100).
portability
In the "portability" category, the Vivo X300 Ultra is a bit better (39/100 vs 28/100).
Frequently asked questions
Which is better: the Poco X3 or the Vivo X300 Ultra?
The Vivo X300 Ultra significantly outperforms the Poco X3 by 44 points (91/100 vs 47/100).
What is the rating of the Poco X3 and the Vivo X300 Ultra?
The Poco X3 has a MobileRank rating of 47/100, the Vivo X300 Ultra — 91/100.
Which has the better camera: the Poco X3 or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on camera score (96/100 vs 46/100).
Which is more powerful: the Poco X3 or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on performance (99/100 vs 42/100).
Should you choose the Poco X3 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.