Vivo iQOO 15 vs Vivo Z3i
The Vivo iQOO 15 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo Z3i (2018) runs on the MediaTek Helio P60. By overall MobileRank rating, the Vivo iQOO 15 leads — 86/100 vs 25/100 (a 61-point difference). Key differences: the Vivo iQOO 15 has the bigger battery (7000 mAh vs 3315); the main camera is 50 MP vs 16 MP; the Vivo iQOO 15 is faster in AnTuTu (3,740,528 vs 232,802); the Vivo iQOO 15 has NFC for contactless payments, the Vivo Z3i doesn't; the Vivo Z3i is noticeably lighter (164g vs 215g).
Vivo iQOO 15
Vivo Z3i
- Higher AnTuTu: 3740528 vs 232802
- Better Geekbench Single: 3041 vs 341
- Better Geekbench Multi: 9494 vs 779
- Bigger battery: 7000 vs 3315 mAh
- Faster charging: 100W vs 18W
- Better main camera: 50MP vs 16MP
- Higher performance (94/100 vs 17/100)
- Better camera (78/100 vs 17/100)
- Longer battery life (85/100 vs 12/100)
- Better display (99/100 vs 57/100)
- Lighter: 164g vs 215g
- Better portability (80/100 vs 48/100)
Comparing the Vivo iQOO 15 vs the Vivo Z3i, the Vivo iQOO 15 scores 61 points higher (86/100 vs 25/100). In the "performance" category, the Vivo iQOO 15 leads (94/100 vs 17/100). In the "camera" category, the Vivo iQOO 15 leads (78/100 vs 17/100). In the "battery" category, the Vivo iQOO 15 leads (85/100 vs 12/100). In the "performance" category, the Vivo iQOO 15 significantly outperforms the Vivo Z3i (94/100 vs 17/100). In the "display" category, the Vivo iQOO 15 significantly outperforms the Vivo Z3i (99/100 vs 57/100). In the "camera" category, the Vivo iQOO 15 significantly outperforms the Vivo Z3i (78/100 vs 17/100). In the "battery" category, the Vivo iQOO 15 significantly outperforms the Vivo Z3i (85/100 vs 12/100). In the "portability" category, the Vivo Z3i significantly outperforms the Vivo iQOO 15 (80/100 vs 48/100).
| Specification | Vivo iQOO 15 | Vivo Z3i | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | MediaTek Helio P60 | |
| AnTuTu | 3740528 | 232802 | |
| Geekbench Single | 3041 | 341 | |
| Geekbench Multi | 9494 | 779 | |
| Display | 6.8" LTPO AMOLED | 6.3" IPS LCD | |
| Resolution | 1440x3168 | 1080x2280 | |
| Refresh rate | 144 Hz | — | |
| Battery | 7000 mAh | 3315 mAh | |
| Charging | 100W | 18W | |
| Wireless charging | 40W | 0W | |
| Main camera | 50 MP | 16 MP | |
| Ultrawide | 50 MP | 0 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 32 MP | 24 MP | |
| RAM | 12GB / 16GB | 6GB | |
| Storage | 256GB / 512GB / 1TB | 128GB | |
| OS | Android 16 | Android 8.1 (Oreo) | |
| Brightness (peak) | 6000 nits | — | |
| NFC | yes | no | |
| Protection | IP68 | — | |
| Dimensions | 163.7×76.8×8.1 mm | 156.0×75.6×8.1 mm | |
| Weight | 215 g | 164 g | |
| Price | $599 | — |
Vivo iQOO 15
- Main: 50MP f/f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Vivo Z3i
- Main: 16MP f/f/2.0
- Front: 24MP
Vivo iQOO 15
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Vivo Z3i
- 6.3" IPS LCD
- Resolution: 1080x2280
- Refresh rate: —
Vivo iQOO 15
- 7000 mAh
- NanoReview test: web browsing 18:52 hrs, total 39:26 hrs
- Wired: 100W
- Wireless: 40W
Vivo Z3i
- 3315 mAh
- Wired: 18W
- No wireless charging
We compared Vivo iQOO 15 and Vivo Z3i, covering their specs and all relevant benchmarks.
Vivo iQOO 15 leads Vivo Z3i by 1506.7% in our overall performance rating.
Vivo Z3i
Price unknownperformance
In the "performance" category, the Vivo iQOO 15 significantly outperforms the Vivo Z3i (94/100 vs 17/100).
display
In the "display" category, the Vivo iQOO 15 significantly outperforms the Vivo Z3i (99/100 vs 57/100).
camera
In the "camera" category, the Vivo iQOO 15 significantly outperforms the Vivo Z3i (78/100 vs 17/100).
battery
In the "battery" category, the Vivo iQOO 15 significantly outperforms the Vivo Z3i (85/100 vs 12/100).
portability
In the "portability" category, the Vivo Z3i significantly outperforms the Vivo iQOO 15 (80/100 vs 48/100).
Which is better: the Vivo iQOO 15 or the Vivo Z3i?
The Vivo iQOO 15 significantly outperforms the Vivo Z3i by 61 points (86/100 vs 25/100).
What is the rating of the Vivo iQOO 15 and the Vivo Z3i?
The Vivo iQOO 15 has a MobileRank rating of 86/100, the Vivo Z3i — 25/100.
Which has the better camera: the Vivo iQOO 15 or the Vivo Z3i?
The Vivo iQOO 15 leads on camera score (78/100 vs 17/100).
Which is more powerful: the Vivo iQOO 15 or the Vivo Z3i?
The Vivo iQOO 15 leads on performance (94/100 vs 17/100).
Should you choose the Vivo iQOO 15 over the Vivo Z3i?
The Vivo iQOO 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Vivo Z3i is a better fit for everyday use.