Vivo iQOO 15 vs Vivo iQOO Z8x
The Vivo iQOO 15 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo iQOO Z8x (2023) runs on the Qualcomm Snapdragon 6 Gen 1. By overall MobileRank rating, the Vivo iQOO 15 leads — 86/100 vs 50/100 (a 36-point difference). Key differences: the Vivo iQOO 15 has the bigger battery (7000 mAh vs 6000); the Vivo iQOO 15 is faster in AnTuTu (3,740,528 vs 736,675); the Vivo iQOO 15 has NFC for contactless payments, the Vivo iQOO Z8x doesn't; the Vivo iQOO Z8x is noticeably lighter (200g vs 215g).
Vivo iQOO 15
Vivo iQOO Z8x
- Higher AnTuTu: 3740528 vs 736675
- Better Geekbench Single: 3041 vs 935
- Better Geekbench Multi: 9494 vs 2719
- Bigger battery: 7000 vs 6000 mAh
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (94/100 vs 52/100)
- Better camera (78/100 vs 30/100)
- Longer battery life (85/100 vs 63/100)
- Better display (99/100 vs 66/100)
- Lighter: 200g vs 215g
- Overall rating 50/100
Comparing the Vivo iQOO 15 vs the Vivo iQOO Z8x, the Vivo iQOO 15 scores 36 points higher (86/100 vs 50/100). In the "performance" category, the Vivo iQOO 15 leads (94/100 vs 52/100). 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 63/100). In the "performance" category, the Vivo iQOO 15 significantly outperforms the Vivo iQOO Z8x (94/100 vs 52/100). In the "display" category, the Vivo iQOO 15 significantly outperforms the Vivo iQOO Z8x (99/100 vs 66/100). In the "camera" category, the Vivo iQOO 15 significantly outperforms the Vivo iQOO Z8x (78/100 vs 30/100). In the "battery" category, the Vivo iQOO 15 notably outperforms the Vivo iQOO Z8x (85/100 vs 63/100). In the "portability" category, both devices are on the same level — 48/100.
| Specification | Vivo iQOO 15 | Vivo iQOO Z8x | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 6 Gen 1 | |
| AnTuTu | 3740528 | 736675 | |
| Geekbench Single | 3041 | 935 | |
| Geekbench Multi | 9494 | 2719 | |
| Display | 6.8" LTPO AMOLED | 6.6" IPS LCD | |
| Resolution | 1440x3168 | 1080x2388 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7000 mAh | 6000 mAh | |
| Charging | 100W | — | |
| Wireless charging | 40W | 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 | 8GB / 12GB | |
| Storage | 256GB / 512GB / 1TB | 128GB / 256GB | |
| OS | Android 16 | Android 13, OriginOS 3 | |
| Brightness (peak) | 6000 nits | — | |
| NFC | yes | no | |
| Protection | IP68 | — | |
| Dimensions | 163.7×76.8×8.1 mm | 164.6×75.8×9.1 mm | |
| Weight | 215 g | 200 g | |
| Price | $599 | — |
Vivo iQOO 15
- Main: 50MP f/f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Vivo iQOO Z8x
- Main: 50MP f/f/1.8
- Front: 8MP
Vivo iQOO 15
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Vivo iQOO Z8x
- 6.6" IPS LCD
- Resolution: 1080x2388
- Refresh rate: 120 Hz
Vivo iQOO 15
- 7000 mAh
- NanoReview test: web browsing 18:52 hrs, total 39:26 hrs
- Wired: 100W
- Wireless: 40W
Vivo iQOO Z8x
- 6000 mAh
- No wireless charging
We compared Vivo iQOO 15 and Vivo iQOO Z8x, covering their specs and all relevant benchmarks.
Vivo iQOO 15 leads Vivo iQOO Z8x by 407.8% in our overall performance rating.
Vivo iQOO Z8x
Price unknownperformance
In the "performance" category, the Vivo iQOO 15 significantly outperforms the Vivo iQOO Z8x (94/100 vs 52/100).
display
In the "display" category, the Vivo iQOO 15 significantly outperforms the Vivo iQOO Z8x (99/100 vs 66/100).
camera
In the "camera" category, the Vivo iQOO 15 significantly outperforms the Vivo iQOO Z8x (78/100 vs 30/100).
battery
In the "battery" category, the Vivo iQOO 15 notably outperforms the Vivo iQOO Z8x (85/100 vs 63/100).
portability
In the "portability" category, both devices are on the same level — 48/100.
Which is better: the Vivo iQOO 15 or the Vivo iQOO Z8x?
The Vivo iQOO 15 significantly outperforms the Vivo iQOO Z8x by 36 points (86/100 vs 50/100).
What is the rating of the Vivo iQOO 15 and the Vivo iQOO Z8x?
The Vivo iQOO 15 has a MobileRank rating of 86/100, the Vivo iQOO Z8x — 50/100.
Which has the better camera: the Vivo iQOO 15 or the Vivo iQOO Z8x?
The Vivo iQOO 15 leads on camera score (78/100 vs 30/100).
Which is more powerful: the Vivo iQOO 15 or the Vivo iQOO Z8x?
The Vivo iQOO 15 leads on performance (94/100 vs 52/100).
Should you choose the Vivo iQOO 15 over the Vivo iQOO Z8x?
The Vivo iQOO 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Vivo iQOO Z8x is a better fit for everyday use.