Vivo iQOO 15 vs Vivo iQOO Z9 (China)
The Vivo iQOO 15 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo iQOO Z9 (China) (2024) runs on the Qualcomm Snapdragon 7 Gen 3. By overall MobileRank rating, the Vivo iQOO 15 leads — 86/100 vs 58/100 (a 28-point difference). Key differences: the Vivo iQOO 15 has the bigger battery (7000 mAh vs 6000); the Vivo iQOO 15 is faster in AnTuTu (3,758,268 vs 1,027,925); the Vivo iQOO Z9 (China) is noticeably lighter (194g vs 215g).
Profile comparison
Category scores
Vivo iQOO 15
Vivo iQOO Z9 (China)
What makes Vivo iQOO 15 better?
- Higher AnTuTu: 3758268 vs 1027925
- Better Geekbench Single: 3013 vs 1131
- Better Geekbench Multi: 9287 vs 3111
- Bigger battery: 7000 vs 6000 mAh
- Faster charging: 100W vs 80W
- Higher performance (94/100 vs 59/100)
- Better camera (78/100 vs 32/100)
- Longer battery life (85/100 vs 63/100)
- Better display (99/100 vs 94/100)
What makes Vivo iQOO Z9 (China) better?
- Lighter: 194g vs 215g
- Better portability (63/100 vs 48/100)
Comparison verdict
Comparing the Vivo iQOO 15 vs the Vivo iQOO Z9 (China), the Vivo iQOO 15 scores 28 points higher (86/100 vs 58/100). In the "performance" category, the Vivo iQOO 15 leads (94/100 vs 59/100). In the "camera" category, the Vivo iQOO 15 leads (78/100 vs 32/100). 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 Z9 (China) (94/100 vs 59/100). In the "display" category, the Vivo iQOO 15 is a bit better (99/100 vs 94/100). In the "camera" category, the Vivo iQOO 15 significantly outperforms the Vivo iQOO Z9 (China) (78/100 vs 32/100). In the "battery" category, the Vivo iQOO 15 notably outperforms the Vivo iQOO Z9 (China) (85/100 vs 63/100). In the "portability" category, the Vivo iQOO Z9 (China) notably outperforms the Vivo iQOO 15 (63/100 vs 48/100).
Specs comparison
| Specification | Vivo iQOO 15 | Vivo iQOO Z9 (China) | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 7 Gen 3 | |
| AnTuTu | 3758268 | 1027925 | |
| Geekbench Single | 3013 | 1131 | |
| Geekbench Multi | 9287 | 3111 | |
| Display | 6.8" LTPO AMOLED | 6.8" AMOLED | |
| Resolution | 1440x3168 | 1260x2800 | |
| Refresh rate | 144 Hz | 144 Hz | |
| Battery | 7000 mAh | 6000 mAh | |
| Charging | 100W | 80W | |
| Wireless charging | 40W | 0W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 50 MP | 0 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 32 MP | 16 MP | |
| RAM | 12GB / 16GB | 8GB / 12GB | |
| Storage | 256GB / 512GB / 1TB | 128GB / 256GB / 512GB | |
| OS | Android 16 | Android 14, OriginOS 4 | |
| Brightness (peak) | 6000 nits | 4500 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP64 | |
| Dimensions | 163.7×76.8×8.1 mm | 163.7×75.9×8.0 mm | |
| Weight | 215 g | 194 g | |
| Launch price | $599 | — |
Camera comparison
Vivo iQOO 15
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Vivo iQOO Z9 (China)
- Main: 50MP f/1.8
- Front: 16MP
Display comparison
Vivo iQOO 15
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Vivo iQOO Z9 (China)
- 6.8" AMOLED
- Resolution: 1260x2800
- Refresh rate: 144 Hz
Battery and charging
Vivo iQOO 15
- 7000 mAh
- NanoReview test: web browsing 18:52 hrs, total 39:26 hrs
- Wired: 100W
- Wireless: 40W
Vivo iQOO Z9 (China)
- 6000 mAh
- Wired: 80W
- No wireless charging
Overall performance score
We compared Vivo iQOO 15 and Vivo iQOO Z9 (China), covering their specs and all relevant benchmarks.
Vivo iQOO 15 leads Vivo iQOO Z9 (China) by 265.6% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Vivo iQOO Z9 (China)
Price unknownDetailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 significantly outperforms the Vivo iQOO Z9 (China) (94/100 vs 59/100).
display
In the "display" category, the Vivo iQOO 15 is a bit better (99/100 vs 94/100).
camera
In the "camera" category, the Vivo iQOO 15 significantly outperforms the Vivo iQOO Z9 (China) (78/100 vs 32/100).
battery
In the "battery" category, the Vivo iQOO 15 notably outperforms the Vivo iQOO Z9 (China) (85/100 vs 63/100).
portability
In the "portability" category, the Vivo iQOO Z9 (China) notably outperforms the Vivo iQOO 15 (63/100 vs 48/100).
Frequently asked questions
Which is better: the Vivo iQOO 15 or the Vivo iQOO Z9 (China)?
The Vivo iQOO 15 significantly outperforms the Vivo iQOO Z9 (China) by 28 points (86/100 vs 58/100).
What is the rating of the Vivo iQOO 15 and the Vivo iQOO Z9 (China)?
The Vivo iQOO 15 has a MobileRank rating of 86/100, the Vivo iQOO Z9 (China) — 58/100.
Which has the better camera: the Vivo iQOO 15 or the Vivo iQOO Z9 (China)?
The Vivo iQOO 15 leads on camera score (78/100 vs 32/100).
Which is more powerful: the Vivo iQOO 15 or the Vivo iQOO Z9 (China)?
The Vivo iQOO 15 leads on performance (94/100 vs 59/100).
Should you choose the Vivo iQOO 15 over the Vivo iQOO Z9 (China)?
The Vivo iQOO 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.