Poco X8 Pro Max vs Vivo iQOO 15 Ultra
The Poco X8 Pro Max (2026) runs on the MediaTek Dimensity 9500, while the Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; estimated prices are $469 and $799. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 84/100 vs 62/100 (a 22-point difference). Key differences: the Poco X8 Pro Max has the bigger battery (8500 mAh vs 7400); the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 2,629,444).
Poco X8 Pro Max
Vivo iQOO 15 Ultra
- Bigger battery: 8500 vs 7400 mAh
- Lighter: 218g vs 227g
- Cheaper: $469 vs $799
- Better design/ergonomics (27/100 vs 16/100)
- Better value for money (78/100 vs 55/100)
- Higher AnTuTu: 4602290 vs 2629444
- Better Geekbench Single: 3640 vs 3228
- Better Geekbench Multi: 11033 vs 9553
- Faster charging: 120W vs 100W
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (97/100 vs 65/100)
- Better camera (74/100 vs 32/100)
- Longer battery life (86/100 vs 77/100)
Comparing the Poco X8 Pro Max vs the Vivo iQOO 15 Ultra, the Vivo iQOO 15 Ultra scores 22 points higher (84/100 vs 62/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (97/100 vs 65/100). In the "camera" category, the Vivo iQOO 15 Ultra leads (74/100 vs 32/100). In the "value for money" category, the Poco X8 Pro Max leads (78/100 vs 55/100). In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Poco X8 Pro Max (97/100 vs 65/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Poco X8 Pro Max (74/100 vs 32/100). In the "battery" category, the Vivo iQOO 15 Ultra is a bit better (86/100 vs 77/100). In the "design" category, the Poco X8 Pro Max is a bit better (27/100 vs 16/100). In the "value for money" category, the Poco X8 Pro Max notably outperforms the Vivo iQOO 15 Ultra (78/100 vs 55/100).
| Specification | Poco X8 Pro Max | Vivo iQOO 15 Ultra | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9500 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 2629444 | 4602290 | |
| Geekbench Single | 3228 | 3640 | |
| Geekbench Multi | 9553 | 11033 | |
| Display | 6.8" AMOLED | 6.8" LTPO AMOLED | |
| Resolution | 2772x1280 | 1440x3168 | |
| Refresh rate | 120 Hz | 144 Hz | |
| Battery | 8500 mAh | 7400 mAh | |
| Charging | 100W | 120W | |
| Wireless charging | 0W | 50W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 20 MP | 32 MP | |
| RAM | 12GB | 12GB / 16GB / 24GB | |
| Storage | 256GB / 512GB | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | 3500 nits | 8000 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 162.9×77.9×8.2 mm | 163.7×76.8×8.7 mm | |
| Weight | 218 g | 227 g | |
| Price | $469 | $799 |
Poco X8 Pro Max
- Main: 50MP f/f/1.5
- Ultrawide: 8MP
- Front: 20MP
Vivo iQOO 15 Ultra
- Main: 50MP f/f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Poco X8 Pro Max
- 6.8" AMOLED
- Resolution: 2772x1280
- Refresh rate: 120 Hz
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Poco X8 Pro Max
- 8500 mAh
- Wired: 100W
- No wireless charging
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
We compared Poco X8 Pro Max and Vivo iQOO 15 Ultra, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads Poco X8 Pro Max by 42.9% in our overall performance rating.
Price difference: $330. Poco X8 Pro Max is cheaper by $330.
performance
In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Poco X8 Pro Max (97/100 vs 65/100).
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Poco X8 Pro Max (74/100 vs 32/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra is a bit better (86/100 vs 77/100).
design
In the "design" category, the Poco X8 Pro Max is a bit better (27/100 vs 16/100).
value for money
In the "value for money" category, the Poco X8 Pro Max notably outperforms the Vivo iQOO 15 Ultra (78/100 vs 55/100).
Which is better: the Poco X8 Pro Max or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra significantly outperforms the Poco X8 Pro Max by 22 points (84/100 vs 62/100).
What is the rating of the Poco X8 Pro Max and the Vivo iQOO 15 Ultra?
The Poco X8 Pro Max has a MobileRank rating of 62/100, the Vivo iQOO 15 Ultra — 84/100.
Which has the better camera: the Poco X8 Pro Max or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on camera score (74/100 vs 32/100).
Which is more powerful: the Poco X8 Pro Max or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on performance (97/100 vs 65/100).
Should you choose the Poco X8 Pro Max over the Vivo iQOO 15 Ultra?
The Poco X8 Pro Max is a better fit for active users, those who care about battery life, budget-conscious buyers. The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life.