Poco X3 Pro vs Vivo X300 Ultra
The Poco X3 Pro (2021) runs on the Qualcomm Snapdragon 860, while the Vivo X300 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $250 and $950. By overall MobileRank rating, the Vivo X300 Ultra leads — 91/100 vs 49/100 (a 42-point difference). Key differences: the Vivo X300 Ultra has the bigger battery (7000 mAh vs 5160); the main camera is 48 MP vs 200 MP; the Vivo X300 Ultra is faster in AnTuTu (4,247,433 vs 795,343); the Poco X3 Pro is noticeably lighter (215g vs 230g).
Poco X3 Pro
Vivo X300 Ultra
- Lighter: 215g vs 230g
- Cheaper at launch: $250 vs $950
- Overall rating 49/100
- Higher AnTuTu: 4247433 vs 795343
- Better Geekbench Single: 3640 vs 1004
- Better Geekbench Multi: 11033 vs 2653
- Bigger battery: 7000 vs 5160 mAh
- Faster charging: 100W vs 33W
- Better main camera: 200MP vs 48MP
- Higher performance (99/100 vs 53/100)
- Better camera (96/100 vs 36/100)
- Longer battery life (85/100 vs 49/100)
- Better display (89/100 vs 66/100)
- Better portability (39/100 vs 35/100)
Comparing the Poco X3 Pro vs the Vivo X300 Ultra, the Vivo X300 Ultra scores 42 points higher (91/100 vs 49/100). In the "performance" category, the Vivo X300 Ultra leads (99/100 vs 53/100). In the "camera" category, the Vivo X300 Ultra leads (96/100 vs 36/100). In the "battery" category, the Vivo X300 Ultra leads (85/100 vs 49/100). Value score: Poco X3 Pro — 50/100, Vivo X300 Ultra — 94/100; 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 Ultra significantly outperforms the Poco X3 Pro (99/100 vs 53/100). In the "display" category, the Vivo X300 Ultra notably outperforms the Poco X3 Pro (89/100 vs 66/100). In the "camera" category, the Vivo X300 Ultra significantly outperforms the Poco X3 Pro (96/100 vs 36/100). In the "battery" category, the Vivo X300 Ultra significantly outperforms the Poco X3 Pro (85/100 vs 49/100). In the "portability" category, the Vivo X300 Ultra and the Poco X3 Pro are nearly equal (39/100 vs 35/100).
| Specification | Poco X3 Pro | Vivo X300 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 860 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 795343 | 4247433 | |
| Geekbench Single | 1004 | 3640 | |
| Geekbench Multi | 2653 | 11033 | |
| Display | 6.7" IPS LCD | 6.8" LTPO OLED | |
| Resolution | 2400x1080 | 3168x1440 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 5160 mAh | 7000 mAh | |
| Charging | 33W | 100W | |
| Wireless charging | 0W | 40W | |
| DXOMark (camera) | — | 170 | |
| Main camera | 48 MP | 200 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 0 MP | 200 MP | |
| Front camera | 20 MP | 32 MP | |
| RAM | 6GB / 8GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 11 | Android 16 | |
| Brightness (peak) | 450 nits | — | |
| NFC | yes | yes | |
| Protection | IP53 | IP69 | |
| Dimensions | 165.3×76.8×9.4 mm | 163.0×76.8×8.2 mm | |
| Weight | 215 g | 230 g | |
| Launch price | $250 | $950 |
Poco X3 Pro
- Main: 48MP
- Ultrawide: 8MP
- Front: 20MP
Vivo X300 Ultra
- Main: 200MP f/f/1.6
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
Poco X3 Pro
- 6.7" IPS LCD
- Resolution: 2400x1080
- Refresh rate: 120 Hz
Vivo X300 Ultra
- 6.8" LTPO OLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
Poco X3 Pro
- 5160 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 Pro and Vivo X300 Ultra, covering their specs and all relevant benchmarks.
Vivo X300 Ultra leads Poco X3 Pro by 81.3% in our overall performance rating.
Launch price difference: $700. Poco X3 Pro was $700 cheaper at launch.
performance
In the "performance" category, the Vivo X300 Ultra significantly outperforms the Poco X3 Pro (99/100 vs 53/100).
display
In the "display" category, the Vivo X300 Ultra notably outperforms the Poco X3 Pro (89/100 vs 66/100).
camera
In the "camera" category, the Vivo X300 Ultra significantly outperforms the Poco X3 Pro (96/100 vs 36/100).
battery
In the "battery" category, the Vivo X300 Ultra significantly outperforms the Poco X3 Pro (85/100 vs 49/100).
portability
In the "portability" category, the Vivo X300 Ultra and the Poco X3 Pro are nearly equal (39/100 vs 35/100).
Which is better: the Poco X3 Pro or the Vivo X300 Ultra?
The Vivo X300 Ultra significantly outperforms the Poco X3 Pro by 42 points (91/100 vs 49/100).
What is the rating of the Poco X3 Pro and the Vivo X300 Ultra?
The Poco X3 Pro has a MobileRank rating of 49/100, the Vivo X300 Ultra — 91/100.
Which has the better camera: the Poco X3 Pro or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on camera score (96/100 vs 36/100).
Which is more powerful: the Poco X3 Pro or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on performance (99/100 vs 53/100).
Should you choose the Poco X3 Pro over the Vivo X300 Ultra?
The Poco X3 Pro 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.