Poco M8 vs Vivo iQOO 15 Ultra
The Poco M8 (2026) runs on the Qualcomm Snapdragon 6 Gen 3, while the Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $209 and $799. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 89/100 vs 54/100 (a 35-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 5520); the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 840,643); the Poco M8 is noticeably lighter (178g vs 227g).
Poco M8
Vivo iQOO 15 Ultra
- Lighter: 178g vs 227g
- Cheaper at launch: $209 vs $799
- Better portability (79/100 vs 35/100)
- Higher AnTuTu: 4602290 vs 840643
- Better Geekbench Single: 3640 vs 1015
- Better Geekbench Multi: 11033 vs 2920
- Bigger battery: 7400 vs 5520 mAh
- Faster charging: 120W vs 45W
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (99/100 vs 55/100)
- Better camera (78/100 vs 34/100)
- Longer battery life (92/100 vs 54/100)
- Better display (99/100 vs 79/100)
Comparing the Poco M8 vs the Vivo iQOO 15 Ultra, the Vivo iQOO 15 Ultra scores 35 points higher (89/100 vs 54/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (99/100 vs 55/100). In the "camera" category, the Vivo iQOO 15 Ultra leads (78/100 vs 34/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (92/100 vs 54/100). Value score: Poco M8 — 70/100, Vivo iQOO 15 Ultra — 90/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Poco M8 (99/100 vs 55/100). In the "display" category, the Vivo iQOO 15 Ultra notably outperforms the Poco M8 (99/100 vs 79/100). In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Poco M8 (78/100 vs 34/100). In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Poco M8 (92/100 vs 54/100). In the "portability" category, the Poco M8 significantly outperforms the Vivo iQOO 15 Ultra (79/100 vs 35/100).
| Specification | Poco M8 | Vivo iQOO 15 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 6 Gen 3 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 840643 | 4602290 | |
| Geekbench Single | 1015 | 3640 | |
| Geekbench Multi | 2920 | 11033 | |
| Display | 6.8" AMOLED | 6.8" LTPO AMOLED | |
| Resolution | 1080x2392 | 1440x3168 | |
| Refresh rate | 120 Hz | 144 Hz | |
| Battery | 5520 mAh | 7400 mAh | |
| Charging | 45W | 120W | |
| Wireless charging | 0W | 50W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 20 MP | 32 MP | |
| RAM | 6GB / 8GB | 12GB / 16GB / 24GB | |
| Storage | 128GB / 256GB / 512GB | 256GB / 512GB / 1TB | |
| OS | Android 15, up to 4 major Android upgrades, HyperOS 2 | Android 16 | |
| Brightness (peak) | 3200 nits | 8000 nits | |
| NFC | yes | yes | |
| Protection | IP66 | IP68 | |
| Dimensions | 164.0×75.4×7.4 mm | 163.7×76.8×8.7 mm | |
| Weight | 178 g | 227 g | |
| Launch price | $209 | $799 |
Poco M8
- Main: 50MP f/f/1.8
- Front: 20MP
Vivo iQOO 15 Ultra
- Main: 50MP f/f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Poco M8
- 6.8" AMOLED
- Resolution: 1080x2392
- Refresh rate: 120 Hz
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Poco M8
- 5520 mAh
- Wired: 45W
- No wireless charging
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
We compared Poco M8 and Vivo iQOO 15 Ultra, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads Poco M8 by 81.7% in our overall performance rating.
Launch price difference: $590. Poco M8 was $590 cheaper at launch.
performance
In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Poco M8 (99/100 vs 55/100).
display
In the "display" category, the Vivo iQOO 15 Ultra notably outperforms the Poco M8 (99/100 vs 79/100).
camera
In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Poco M8 (78/100 vs 34/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Poco M8 (92/100 vs 54/100).
portability
In the "portability" category, the Poco M8 significantly outperforms the Vivo iQOO 15 Ultra (79/100 vs 35/100).
Which is better: the Poco M8 or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra significantly outperforms the Poco M8 by 35 points (89/100 vs 54/100).
What is the rating of the Poco M8 and the Vivo iQOO 15 Ultra?
The Poco M8 has a MobileRank rating of 54/100, the Vivo iQOO 15 Ultra — 89/100.
Which has the better camera: the Poco M8 or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on camera score (78/100 vs 34/100).
Which is more powerful: the Poco M8 or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on performance (99/100 vs 55/100).
Should you choose the Poco M8 over the Vivo iQOO 15 Ultra?
The Poco M8 is a better fit for everyday use. The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.