Vivo iQOO 15 Ultra vs Vivo iQOO Z6 44W
The Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Vivo iQOO Z6 44W (2022) runs on the Qualcomm Snapdragon 680 4G. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 84/100 vs 25/100 (a 59-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 5000); the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 421,228); the Vivo iQOO 15 Ultra has NFC for contactless payments, the Vivo iQOO Z6 44W doesn't; the Vivo iQOO Z6 44W is noticeably lighter (182g vs 227g).
Vivo iQOO 15 Ultra
Vivo iQOO Z6 44W
- Higher AnTuTu: 4602290 vs 421228
- Better Geekbench Single: 3640 vs 412
- Better Geekbench Multi: 11033 vs 1410
- Bigger battery: 7400 vs 5000 mAh
- Faster charging: 120W vs 44W
- Higher refresh rate: 144Hz vs 90Hz
- Higher performance (97/100 vs 0/100)
- Better camera (74/100 vs 27/100)
- Longer battery life (86/100 vs 42/100)
- Better display (100/100 vs 50/100)
- Lighter: 182g vs 227g
- Better design/ergonomics (72/100 vs 16/100)
Comparing the Vivo iQOO 15 Ultra vs the Vivo iQOO Z6 44W, the Vivo iQOO 15 Ultra scores 59 points higher (84/100 vs 25/100). 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 27/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (86/100 vs 42/100). In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo iQOO Z6 44W (97/100 vs 0/100). In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo iQOO Z6 44W (100/100 vs 50/100). In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo iQOO Z6 44W (74/100 vs 27/100). In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo iQOO Z6 44W (86/100 vs 42/100). In the "design" category, the Vivo iQOO Z6 44W significantly outperforms the Vivo iQOO 15 Ultra (72/100 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 Z6 44W | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 680 4G | |
| AnTuTu | 4602290 | 421228 | |
| Geekbench Single | 3640 | 412 | |
| Geekbench Multi | 11033 | 1410 | |
| Display | 6.8" LTPO AMOLED | 6.4" AMOLED | |
| Resolution | 1440x3168 | 1080x2400 | |
| Refresh rate | 144 Hz | 90 Hz | |
| Battery | 7400 mAh | 5000 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 | 16 MP | |
| RAM | 12GB / 16GB / 24GB | 4GB / 6GB / 8GB | |
| Storage | 256GB / 512GB / 1TB | 128GB | |
| OS | Android 16 | Android 12, Funtouch 12 | |
| Brightness (peak) | 8000 nits | — | |
| NFC | yes | no | |
| Protection | IP68 | — | |
| Dimensions | 163.7×76.8×8.7 mm | 160.8×73.8×8.4 mm | |
| Weight | 227 g | 182 g | |
| Price | $799 | — |
Vivo iQOO 15 Ultra
- Main: 50MP f/f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Vivo iQOO Z6 44W
- Main: 50MP f/f/1.8
- Front: 16MP
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Vivo iQOO Z6 44W
- 6.4" AMOLED
- Resolution: 1080x2400
- Refresh rate: 90 Hz
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
Vivo iQOO Z6 44W
- 5000 mAh
- Wired: 44W
- No wireless charging
We compared Vivo iQOO 15 Ultra and Vivo iQOO Z6 44W, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads Vivo iQOO Z6 44W by 992.6% in our overall performance rating.
Vivo iQOO Z6 44W
Price unknownperformance
In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo iQOO Z6 44W (97/100 vs 0/100).
display
In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo iQOO Z6 44W (100/100 vs 50/100).
camera
In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo iQOO Z6 44W (74/100 vs 27/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo iQOO Z6 44W (86/100 vs 42/100).
design
In the "design" category, the Vivo iQOO Z6 44W significantly outperforms the Vivo iQOO 15 Ultra (72/100 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 Z6 44W?
The Vivo iQOO 15 Ultra significantly outperforms the Vivo iQOO Z6 44W by 59 points (84/100 vs 25/100).
What is the rating of the Vivo iQOO 15 Ultra and the Vivo iQOO Z6 44W?
The Vivo iQOO 15 Ultra has a MobileRank rating of 84/100, the Vivo iQOO Z6 44W — 25/100.
Which has the better camera: the Vivo iQOO 15 Ultra or the Vivo iQOO Z6 44W?
The Vivo iQOO 15 Ultra leads on camera score (74/100 vs 27/100).
Which is more powerful: the Vivo iQOO 15 Ultra or the Vivo iQOO Z6 44W?
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 Z6 44W?
The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life. The Vivo iQOO Z6 44W is a better fit for everyday use.