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 837,903); the Poco M8 is noticeably lighter (178g vs 230g).
Profile comparison
Category scores
Poco M8
Vivo X300 Ultra
What makes Poco M8 better?
- Lighter: 178g vs 230g
- Cheaper at launch: $209 vs $950
- Better portability (79/100 vs 39/100)
What makes Vivo X300 Ultra better?
- Higher AnTuTu: 4247433 vs 837903
- Better Geekbench Single: 3639 vs 1013
- Better Geekbench Multi: 11047 vs 3000
- 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)
Comparison verdict
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 — 66/100, Vivo X300 Ultra — 94/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. 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).
Specs comparison
| Specification | Poco M8 | Vivo X300 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 6 Gen 3 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 837903 | 4247433 | |
| Geekbench Single | 1013 | 3639 | |
| Geekbench Multi | 3000 | 11047 | |
| 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 |
Camera comparison
Poco M8
- Main: 50MP f/1.8
- Front: 20MP
Vivo X300 Ultra
- Main: 200MP f/1.6
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 32MP
Display comparison
Poco M8
- 6.8" AMOLED
- Resolution: 1080x2392
- Refresh rate: 120 Hz
Vivo X300 Ultra
- 6.8" LTPO OLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
Battery and charging
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
Overall performance score
We compared Poco M8 and Vivo X300 Ultra, covering their specs and all relevant benchmarks.
Vivo X300 Ultra leads Poco M8 by 80.3% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $741. Poco M8 was $741 cheaper at launch.
Detailed category analysis
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).
Frequently asked questions
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 Vivo X300 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.