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; launch prices were $469 and $799. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 89/100 vs 71/100 (a 18-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 2,604,459).
Profile comparison
Category scores
Poco X8 Pro Max
Vivo iQOO 15 Ultra
What makes Poco X8 Pro Max better?
- Bigger battery: 8500 vs 7400 mAh
- Lighter: 218g vs 227g
- Cheaper at launch: $469 vs $799
- Better portability (46/100 vs 35/100)
What makes Vivo iQOO 15 Ultra better?
- Higher AnTuTu: 4602290 vs 2604459
- Better Geekbench Single: 3639 vs 3293
- Better Geekbench Multi: 11047 vs 10243
- Faster charging: 120W vs 100W
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (99/100 vs 91/100)
- Better camera (78/100 vs 37/100)
- Longer battery life (92/100 vs 77/100)
- Better display (99/100 vs 84/100)
Comparison verdict
Comparing the Poco X8 Pro Max vs the Vivo iQOO 15 Ultra, the Vivo iQOO 15 Ultra scores 18 points higher (89/100 vs 71/100). In the "camera" category, the Vivo iQOO 15 Ultra leads (78/100 vs 37/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (92/100 vs 77/100). Value score: Poco X8 Pro Max — 66/100, Vivo iQOO 15 Ultra — 92/100; 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 iQOO 15 Ultra is a bit better (99/100 vs 91/100). In the "display" category, the Vivo iQOO 15 Ultra notably outperforms the Poco X8 Pro Max (99/100 vs 84/100). In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Poco X8 Pro Max (78/100 vs 37/100). In the "battery" category, the Vivo iQOO 15 Ultra notably outperforms the Poco X8 Pro Max (92/100 vs 77/100). In the "portability" category, the Poco X8 Pro Max is a bit better (46/100 vs 35/100).
Specs comparison
| Specification | Poco X8 Pro Max | Vivo iQOO 15 Ultra | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9500 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 2604459 | 4602290 | |
| Geekbench Single | 3293 | 3639 | |
| Geekbench Multi | 10243 | 11047 | |
| 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 | |
| Launch price | $469 | $799 |
Camera comparison
Poco X8 Pro Max
- Main: 50MP f/1.5
- Ultrawide: 8MP
- Front: 20MP
Vivo iQOO 15 Ultra
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
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
Battery and charging
Poco X8 Pro Max
- 8500 mAh
- Wired: 100W
- No wireless charging
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
Overall performance score
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 43.4% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $330. Poco X8 Pro Max was $330 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 Ultra is a bit better (99/100 vs 91/100).
display
In the "display" category, the Vivo iQOO 15 Ultra notably outperforms the Poco X8 Pro Max (99/100 vs 84/100).
camera
In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Poco X8 Pro Max (78/100 vs 37/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra notably outperforms the Poco X8 Pro Max (92/100 vs 77/100).
portability
In the "portability" category, the Poco X8 Pro Max is a bit better (46/100 vs 35/100).
Frequently asked questions
Which is better: the Poco X8 Pro Max or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra is noticeably better than the Poco X8 Pro Max — the overall rating gap is 18 points.
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 71/100, the Vivo iQOO 15 Ultra — 89/100.
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 (78/100 vs 37/100).
Which is more powerful: the Poco X8 Pro Max or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on performance (99/100 vs 91/100).
Should you choose the Poco X8 Pro Max over the Vivo iQOO 15 Ultra?
The Poco X8 Pro Max is a better fit for gamers and power users, those who care about battery life. The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.