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 526,647); 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).
Poco X3
Vivo X300 Ultra
- Lighter: 225g vs 230g
- Overall rating 47/100
- Higher AnTuTu: 4247433 vs 526647
- Better Geekbench Single: 3640 vs 753
- Better Geekbench Multi: 11033 vs 1808
- 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)
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).
| Specification | Poco X3 | Vivo X300 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 732G | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 526647 | 4247433 | |
| Geekbench Single | 753 | 3640 | |
| Geekbench Multi | 1808 | 11033 | |
| 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 |
Poco X3
- Main: 64MP f/f/1.9
- Ultrawide: 13MP
- Front: 20MP
Vivo X300 Ultra
- Main: 200MP f/f/1.6
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
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
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
We compared Poco X3 and Vivo X300 Ultra, covering their specs and all relevant benchmarks.
Vivo X300 Ultra leads Poco X3 by 87.6% in our overall performance rating.
Poco X3
Price unknownperformance
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).
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 Poco X3 is a better fit for everyday use. 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.