Poco M8x vs Vivo iQOO 15
The Poco M8x (2026) runs on the Qualcomm Snapdragon 4 Gen 5, while the Vivo iQOO 15 (2025) runs on the Qualcomm Snapdragon 8 Elite. By overall MobileRank rating, the Vivo iQOO 15 leads — 86/100 vs 45/100 (a 41-point difference). Key differences: the Vivo iQOO 15 has the bigger battery (7000 mAh vs 6000); the Vivo iQOO 15 is faster in AnTuTu (3,758,268 vs 624,021).
Profile comparison
Category scores
Poco M8x
Vivo iQOO 15
What makes Poco M8x better?
- Overall rating 45/100
What makes Vivo iQOO 15 better?
- Higher AnTuTu: 3758268 vs 624021
- Better Geekbench Single: 3013 vs 976
- Better Geekbench Multi: 9287 vs 2250
- Bigger battery: 7000 vs 6000 mAh
- Faster charging: 100W vs 33W
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (94/100 vs 49/100)
- Better camera (78/100 vs 30/100)
- Longer battery life (85/100 vs 53/100)
- Better display (99/100 vs 55/100)
Comparison verdict
Comparing the Poco M8x vs the Vivo iQOO 15, the Vivo iQOO 15 scores 41 points higher (86/100 vs 45/100). In the "performance" category, the Vivo iQOO 15 leads (94/100 vs 49/100). In the "camera" category, the Vivo iQOO 15 leads (78/100 vs 30/100). In the "battery" category, the Vivo iQOO 15 leads (85/100 vs 53/100). In the "performance" category, the Vivo iQOO 15 significantly outperforms the Poco M8x (94/100 vs 49/100). In the "display" category, the Vivo iQOO 15 significantly outperforms the Poco M8x (99/100 vs 55/100). In the "camera" category, the Vivo iQOO 15 significantly outperforms the Poco M8x (78/100 vs 30/100). In the "battery" category, the Vivo iQOO 15 significantly outperforms the Poco M8x (85/100 vs 53/100).
Specs comparison
| Specification | Poco M8x | Vivo iQOO 15 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 4 Gen 5 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 624021 | 3758268 | |
| Geekbench Single | 976 | 3013 | |
| Geekbench Multi | 2250 | 9287 | |
| Display | 6.9" IPS LCD | 6.8" LTPO AMOLED | |
| Resolution | 720x1600 | 1440x3168 | |
| Refresh rate | 120 Hz | 144 Hz | |
| Battery | 6000 mAh | 7000 mAh | |
| Charging | 33W | 100W | |
| Wireless charging | 0W | 40W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 8 MP | 32 MP | |
| RAM | 4GB | 12GB / 16GB | |
| Storage | 128GB | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | — | 6000 nits | |
| NFC | yes | yes | |
| Protection | IP64 | IP68 | |
| Dimensions | — | 163.7×76.8×8.1 mm | |
| Weight | — | 215 g | |
| Launch price | — | $599 |
Camera comparison
Poco M8x
- Main: 50MP f/1.8
- Front: 8MP
Vivo iQOO 15
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
Poco M8x
- 6.9" IPS LCD
- Resolution: 720x1600
- Refresh rate: 120 Hz
Vivo iQOO 15
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Battery and charging
Poco M8x
- 6000 mAh
- Wired: 33W
- No wireless charging
Vivo iQOO 15
- 7000 mAh
- NanoReview test: web browsing 18:52 hrs, total 39:26 hrs
- Wired: 100W
- Wireless: 40W
Overall performance score
We compared Poco M8x and Vivo iQOO 15, covering their specs and all relevant benchmarks.
Vivo iQOO 15 leads Poco M8x by 83.4% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Poco M8x
Price unknownDetailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 significantly outperforms the Poco M8x (94/100 vs 49/100).
display
In the "display" category, the Vivo iQOO 15 significantly outperforms the Poco M8x (99/100 vs 55/100).
camera
In the "camera" category, the Vivo iQOO 15 significantly outperforms the Poco M8x (78/100 vs 30/100).
battery
In the "battery" category, the Vivo iQOO 15 significantly outperforms the Poco M8x (85/100 vs 53/100).
Frequently asked questions
Which is better: the Poco M8x or the Vivo iQOO 15?
The Vivo iQOO 15 significantly outperforms the Poco M8x by 41 points (86/100 vs 45/100).
What is the rating of the Poco M8x and the Vivo iQOO 15?
The Poco M8x has a MobileRank rating of 45/100, the Vivo iQOO 15 — 86/100.
Which has the better camera: the Poco M8x or the Vivo iQOO 15?
The Vivo iQOO 15 leads on camera score (78/100 vs 30/100).
Which is more powerful: the Poco M8x or the Vivo iQOO 15?
The Vivo iQOO 15 leads on performance (94/100 vs 49/100).
Should you choose the Poco M8x over the Vivo iQOO 15?
The Vivo iQOO 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.