Poco M8 vs Vivo X300 Ultra
The Poco M8 (2026) runs on the Qualcomm Snapdragon 6 Gen 3, while the Vivo X300 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $209 and $950. By overall MobileRank rating, the Vivo X300 Ultra leads — 91/100 vs 54/100 (a 37-point difference). Key differences: the Vivo X300 Ultra has the bigger battery (7000 mAh vs 5520); the main camera is 50 MP vs 200 MP; the Vivo X300 Ultra is faster in AnTuTu (4,247,433 vs 840,643); the Poco M8 is noticeably lighter (178g vs 230g).
Poco M8
Vivo X300 Ultra
- Lighter: 178g vs 230g
- Cheaper at launch: $209 vs $950
- Better portability (79/100 vs 39/100)
- Higher AnTuTu: 4247433 vs 840643
- Better Geekbench Single: 3640 vs 1015
- Better Geekbench Multi: 11033 vs 2920
- Bigger battery: 7000 vs 5520 mAh
- Faster charging: 100W vs 45W
- Better main camera: 200MP vs 50MP
- Higher performance (99/100 vs 55/100)
- Better camera (96/100 vs 34/100)
- Longer battery life (85/100 vs 54/100)
- Better display (89/100 vs 79/100)
Comparing the Poco M8 vs the Vivo X300 Ultra, the Vivo X300 Ultra scores 37 points higher (91/100 vs 54/100). In the "performance" category, the Vivo X300 Ultra leads (99/100 vs 55/100). In the "camera" category, the Vivo X300 Ultra leads (96/100 vs 34/100). In the "battery" category, the Vivo X300 Ultra leads (85/100 vs 54/100). Value score: Poco M8 — 70/100, 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 M8 (99/100 vs 55/100). In the "display" category, the Vivo X300 Ultra is a bit better (89/100 vs 79/100). In the "camera" category, the Vivo X300 Ultra significantly outperforms the Poco M8 (96/100 vs 34/100). In the "battery" category, the Vivo X300 Ultra significantly outperforms the Poco M8 (85/100 vs 54/100). In the "portability" category, the Poco M8 significantly outperforms the Vivo X300 Ultra (79/100 vs 39/100).
| Specification | Poco M8 | Vivo X300 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 6 Gen 3 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 840643 | 4247433 | |
| Geekbench Single | 1015 | 3640 | |
| Geekbench Multi | 2920 | 11033 | |
| Display | 6.8" AMOLED | 6.8" LTPO OLED | |
| Resolution | 1080x2392 | 3168x1440 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 5520 mAh | 7000 mAh | |
| Charging | 45W | 100W | |
| Wireless charging | 0W | 40W | |
| DXOMark (camera) | — | 170 | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 200 MP | |
| Front camera | 20 MP | 32 MP | |
| RAM | 6GB / 8GB | 12GB / 16GB | |
| Storage | 128GB / 256GB / 512GB | 256GB / 512GB / 1TB | |
| OS | Android 15, up to 4 major Android upgrades, HyperOS 2 | Android 16 | |
| Brightness (peak) | 3200 nits | — | |
| NFC | yes | yes | |
| Protection | IP66 | IP69 | |
| Dimensions | 164.0×75.4×7.4 mm | 163.0×76.8×8.2 mm | |
| Weight | 178 g | 230 g | |
| Launch price | $209 | $950 |
Poco M8
- Main: 50MP f/f/1.8
- Front: 20MP
Vivo X300 Ultra
- Main: 200MP f/f/1.6
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
Poco M8
- 6.8" AMOLED
- Resolution: 1080x2392
- Refresh rate: 120 Hz
Vivo X300 Ultra
- 6.8" LTPO OLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
Poco M8
- 5520 mAh
- Wired: 45W
- 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 M8 and Vivo X300 Ultra, covering their specs and all relevant benchmarks.
Vivo X300 Ultra leads Poco M8 by 80.2% in our overall performance rating.
Launch price difference: $741. Poco M8 was $741 cheaper at launch.
performance
In the "performance" category, the Vivo X300 Ultra significantly outperforms the Poco M8 (99/100 vs 55/100).
display
In the "display" category, the Vivo X300 Ultra is a bit better (89/100 vs 79/100).
camera
In the "camera" category, the Vivo X300 Ultra significantly outperforms the Poco M8 (96/100 vs 34/100).
battery
In the "battery" category, the Vivo X300 Ultra significantly outperforms the Poco M8 (85/100 vs 54/100).
portability
In the "portability" category, the Poco M8 significantly outperforms the Vivo X300 Ultra (79/100 vs 39/100).
Which is better: the Poco M8 or the Vivo X300 Ultra?
The Vivo X300 Ultra significantly outperforms the Poco M8 by 37 points (91/100 vs 54/100).
What is the rating of the Poco M8 and the Vivo X300 Ultra?
The Poco M8 has a MobileRank rating of 54/100, the Vivo X300 Ultra — 91/100.
Which has the better camera: the Poco M8 or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on camera score (96/100 vs 34/100).
Which is more powerful: the Poco M8 or the Vivo X300 Ultra?
The Vivo X300 Ultra leads on performance (99/100 vs 55/100).
Should you choose the Poco M8 over the Vivo X300 Ultra?
The Poco M8 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.