Vivo iQOO 15 Ultra vs Vivo iQOO Z8
The Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Vivo iQOO Z8 (2023) runs on the MediaTek Dimensity 8200. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 84/100 vs 35/100 (a 49-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 5000); the main camera is 50 MP vs 64 MP; the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 1,221,748); the Vivo iQOO Z8 is noticeably lighter (200g vs 227g).
Vivo iQOO 15 Ultra
Vivo iQOO Z8
- Higher AnTuTu: 4602290 vs 1221748
- Better Geekbench Single: 3640 vs 1230
- Better Geekbench Multi: 11033 vs 3297
- Bigger battery: 7400 vs 5000 mAh
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (97/100 vs 10/100)
- Better camera (74/100 vs 37/100)
- Longer battery life (86/100 vs 36/100)
- Better main camera: 64MP vs 50MP
- Lighter: 200g vs 227g
- Better design/ergonomics (50/100 vs 16/100)
Comparing the Vivo iQOO 15 Ultra vs the Vivo iQOO Z8, the Vivo iQOO 15 Ultra scores 49 points higher (84/100 vs 35/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (97/100 vs 10/100). In the "camera" category, the Vivo iQOO 15 Ultra leads (74/100 vs 37/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (86/100 vs 36/100). In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo iQOO Z8 (97/100 vs 10/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo iQOO Z8 (74/100 vs 37/100). In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo iQOO Z8 (86/100 vs 36/100). In the "design" category, the Vivo iQOO Z8 significantly outperforms the Vivo iQOO 15 Ultra (50/100 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 Z8 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | MediaTek Dimensity 8200 | |
| AnTuTu | 4602290 | 1221748 | |
| Geekbench Single | 3640 | 1230 | |
| Geekbench Multi | 11033 | 3297 | |
| Display | 6.8" LTPO AMOLED | 6.6" LCDIPS LCD | |
| Resolution | 1440x3168 | 1080x2388 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7400 mAh | 5000 mAh | |
| Charging | 120W | — | |
| Wireless charging | 50W | 0W | |
| Main camera | 50 MP | 64 MP | |
| Ultrawide | 50 MP | 0 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 32 MP | 16 MP | |
| RAM | 12GB / 16GB / 24GB | 8GB / 12GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB | |
| OS | Android 16 | Android 13, OriginOS 3 | |
| Brightness (peak) | 8000 nits | — | |
| NFC | yes | yes | |
| Protection | IP68 | — | |
| Dimensions | 163.7×76.8×8.7 mm | 164.6×75.8×8.8 mm | |
| Weight | 227 g | 200 g | |
| Price | $799 | — |
Vivo iQOO 15 Ultra
- Main: 50MP f/f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Vivo iQOO Z8
- Main: 64MP f/f/1.8
- Front: 16MP
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Vivo iQOO Z8
- 6.6" LCDIPS LCD
- Resolution: 1080x2388
- Refresh rate: 120 Hz
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
Vivo iQOO Z8
- 5000 mAh
- No wireless charging
We compared Vivo iQOO 15 Ultra and Vivo iQOO Z8, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads Vivo iQOO Z8 by 276.7% in our overall performance rating.
Vivo iQOO Z8
Price unknownperformance
In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo iQOO Z8 (97/100 vs 10/100).
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo iQOO Z8 (74/100 vs 37/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo iQOO Z8 (86/100 vs 36/100).
design
In the "design" category, the Vivo iQOO Z8 significantly outperforms the Vivo iQOO 15 Ultra (50/100 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 Z8?
The Vivo iQOO 15 Ultra significantly outperforms the Vivo iQOO Z8 by 49 points (84/100 vs 35/100).
What is the rating of the Vivo iQOO 15 Ultra and the Vivo iQOO Z8?
The Vivo iQOO 15 Ultra has a MobileRank rating of 84/100, the Vivo iQOO Z8 — 35/100.
Which has the better camera: the Vivo iQOO 15 Ultra or the Vivo iQOO Z8?
The Vivo iQOO 15 Ultra leads on camera score (74/100 vs 37/100).
Which is more powerful: the Vivo iQOO 15 Ultra or the Vivo iQOO Z8?
The Vivo iQOO 15 Ultra leads on performance (97/100 vs 10/100).
Should you choose the Vivo iQOO 15 Ultra over the Vivo iQOO Z8?
The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life. The Vivo iQOO Z8 is a better fit for everyday use.