Vivo iQOO 15 Ultra vs Vivo iQOO Z6x
The Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Vivo iQOO Z6x (2022) runs on the MediaTek Dimensity 810. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 84/100 vs 18/100 (a 66-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 6000); the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 569,913); the Vivo iQOO 15 Ultra has NFC for contactless payments, the Vivo iQOO Z6x doesn't; the Vivo iQOO Z6x is noticeably lighter (204g vs 227g).
Vivo iQOO 15 Ultra
Vivo iQOO Z6x
- Higher AnTuTu: 4602290 vs 569913
- Better Geekbench Single: 3640 vs 684
- Better Geekbench Multi: 11033 vs 1900
- Bigger battery: 7400 vs 6000 mAh
- Faster charging: 120W vs 44W
- Higher performance (97/100 vs 0/100)
- Better camera (74/100 vs 24/100)
- Longer battery life (86/100 vs 51/100)
- Better display (100/100 vs 0/100)
- Lighter: 204g vs 227g
- Better design/ergonomics (45/100 vs 16/100)
Comparing the Vivo iQOO 15 Ultra vs the Vivo iQOO Z6x, the Vivo iQOO 15 Ultra scores 66 points higher (84/100 vs 18/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (97/100 vs 0/100). In the "camera" category, the Vivo iQOO 15 Ultra leads (74/100 vs 24/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (86/100 vs 51/100). In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo iQOO Z6x (97/100 vs 0/100). In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo iQOO Z6x (100/100 vs 0/100). In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo iQOO Z6x (74/100 vs 24/100). In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo iQOO Z6x (86/100 vs 51/100). In the "design" category, the Vivo iQOO Z6x notably outperforms the Vivo iQOO 15 Ultra (45/100 vs 16/100). In the "value for money" category, both devices are on the same level — 55/100.
| Specification | Vivo iQOO 15 Ultra | Vivo iQOO Z6x | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | MediaTek Dimensity 810 | |
| AnTuTu | 4602290 | 569913 | |
| Geekbench Single | 3640 | 684 | |
| Geekbench Multi | 11033 | 1900 | |
| Display | 6.8" LTPO AMOLED | 6.6" IPS LCD | |
| Resolution | 1440x3168 | 1080x2408 | |
| Refresh rate | 144 Hz | — | |
| Battery | 7400 mAh | 6000 mAh | |
| Charging | 120W | 44W | |
| Wireless charging | 50W | 0W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 50 MP | 0 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 32 MP | 8 MP | |
| RAM | 12GB / 16GB / 24GB | 6GB / 8GB | |
| Storage | 256GB / 512GB / 1TB | 128GB / 256GB | |
| OS | Android 16 | Android 11, Origin OS Ocean | |
| Brightness (peak) | 8000 nits | — | |
| NFC | yes | no | |
| Protection | IP68 | — | |
| Dimensions | 163.7×76.8×8.7 mm | 163.9×75.3×9.3 mm | |
| Weight | 227 g | 204 g | |
| Price | $799 | — |
Vivo iQOO 15 Ultra
- Main: 50MP f/f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Vivo iQOO Z6x
- Main: 50MP f/f/1.8
- Front: 8MP
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Vivo iQOO Z6x
- 6.6" IPS LCD
- Resolution: 1080x2408
- Refresh rate: —
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
Vivo iQOO Z6x
- 6000 mAh
- Wired: 44W
- No wireless charging
We compared Vivo iQOO 15 Ultra and Vivo iQOO Z6x, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads Vivo iQOO Z6x by 707.5% in our overall performance rating.
Vivo iQOO Z6x
Price unknownperformance
In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo iQOO Z6x (97/100 vs 0/100).
display
In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo iQOO Z6x (100/100 vs 0/100).
camera
In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo iQOO Z6x (74/100 vs 24/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo iQOO Z6x (86/100 vs 51/100).
design
In the "design" category, the Vivo iQOO Z6x notably outperforms the Vivo iQOO 15 Ultra (45/100 vs 16/100).
value for money
In the "value for money" category, both devices are on the same level — 55/100.
Which is better: the Vivo iQOO 15 Ultra or the Vivo iQOO Z6x?
The Vivo iQOO 15 Ultra significantly outperforms the Vivo iQOO Z6x by 66 points (84/100 vs 18/100).
What is the rating of the Vivo iQOO 15 Ultra and the Vivo iQOO Z6x?
The Vivo iQOO 15 Ultra has a MobileRank rating of 84/100, the Vivo iQOO Z6x — 18/100.
Which has the better camera: the Vivo iQOO 15 Ultra or the Vivo iQOO Z6x?
The Vivo iQOO 15 Ultra leads on camera score (74/100 vs 24/100).
Which is more powerful: the Vivo iQOO 15 Ultra or the Vivo iQOO Z6x?
The Vivo iQOO 15 Ultra leads on performance (97/100 vs 0/100).
Should you choose the Vivo iQOO 15 Ultra over the Vivo iQOO Z6x?
The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life. The Vivo iQOO Z6x is a better fit for everyday use.