Vivo iQOO 15 Ultra vs Vivo Y04
The Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Vivo Y04 (2025) runs on the Unisoc T7225. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 89/100 vs 39/100 (a 50-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 5500); the Vivo iQOO 15 Ultra has NFC for contactless payments, the Vivo Y04 doesn't; the Vivo Y04 is noticeably lighter (199g vs 227g).
Profile comparison
Category scores
Vivo iQOO 15 Ultra
Vivo Y04
What makes Vivo iQOO 15 Ultra better?
- Better Geekbench Single: 3639 vs 580
- Better Geekbench Multi: 11047 vs 1750
- Bigger battery: 7400 vs 5500 mAh
- Faster charging: 120W vs 15W
- Higher refresh rate: 144Hz vs 90Hz
- Higher performance (99/100 vs 31/100)
- Longer battery life (92/100 vs 49/100)
- Better display (99/100 vs 43/100)
What makes Vivo Y04 better?
- Lighter: 199g vs 227g
- Better portability (57/100 vs 35/100)
Comparison verdict
Comparing the Vivo iQOO 15 Ultra vs the Vivo Y04, the Vivo iQOO 15 Ultra scores 50 points higher (89/100 vs 39/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (99/100 vs 31/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (92/100 vs 49/100). In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo Y04 (99/100 vs 31/100). In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo Y04 (99/100 vs 43/100). In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo Y04 (92/100 vs 49/100). In the "portability" category, the Vivo Y04 notably outperforms the Vivo iQOO 15 Ultra (57/100 vs 35/100).
Specs comparison
| Specification | Vivo iQOO 15 Ultra | Vivo Y04 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Unisoc T7225 | |
| AnTuTu | 4602290 | — | |
| Geekbench Single | 3639 | 580 | |
| Geekbench Multi | 11047 | 1750 | |
| Display | 6.8" LTPO AMOLED | 6.7" IPS LCD | |
| Resolution | 1440x3168 | 720x1600 | |
| Refresh rate | 144 Hz | 90 Hz | |
| Battery | 7400 mAh | 5500 mAh | |
| Charging | 120W | 15W | |
| Wireless charging | 50W | 0W | |
| Main camera | 50 MP | — | |
| Ultrawide | 50 MP | 0 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 32 MP | 5 MP | |
| RAM | 12GB / 16GB / 24GB | 4GB | |
| Storage | 256GB / 512GB / 1TB | 64GB / 128GB | |
| OS | Android 16 | Android 14, Funtouch 14 | |
| Brightness (peak) | 8000 nits | — | |
| NFC | yes | no | |
| Protection | IP68 | IP64 | |
| Dimensions | 163.7×76.8×8.7 mm | 167.3×77.0×8.2 mm | |
| Weight | 227 g | 199 g | |
| Launch price | $799 | — |
Camera comparison
Vivo iQOO 15 Ultra
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Vivo Y04
- Main: —
- Front: 5MP
Display comparison
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Vivo Y04
- 6.7" IPS LCD
- Resolution: 720x1600
- Refresh rate: 90 Hz
Battery and charging
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
Vivo Y04
- 5500 mAh
- Wired: 15W
- No wireless charging
Benchmarks
Launch prices and where to check today's
Vivo Y04
Price unknownDetailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo Y04 (99/100 vs 31/100).
display
In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo Y04 (99/100 vs 43/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo Y04 (92/100 vs 49/100).
portability
In the "portability" category, the Vivo Y04 notably outperforms the Vivo iQOO 15 Ultra (57/100 vs 35/100).
Frequently asked questions
Which is better: the Vivo iQOO 15 Ultra or the Vivo Y04?
The Vivo iQOO 15 Ultra significantly outperforms the Vivo Y04 by 50 points (89/100 vs 39/100).
What is the rating of the Vivo iQOO 15 Ultra and the Vivo Y04?
The Vivo iQOO 15 Ultra has a MobileRank rating of 89/100, the Vivo Y04 — 39/100.
Which is more powerful: the Vivo iQOO 15 Ultra or the Vivo Y04?
The Vivo iQOO 15 Ultra leads on performance (99/100 vs 31/100).
Should you choose the Vivo iQOO 15 Ultra over the Vivo Y04?
The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.