Vivo iQOO 15 Ultra vs Vivo Y31d
The Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Vivo Y31d (2026) runs on the Qualcomm Snapdragon 6s 4G Gen 2; estimated prices are $799 and $185. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 89/100 vs 41/100 (a 48-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 7200); the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 522,680); the Vivo iQOO 15 Ultra has NFC for contactless payments, the Vivo Y31d doesn't.
Vivo iQOO 15 Ultra
Vivo Y31d
- Higher AnTuTu: 4602290 vs 522680
- Better Geekbench Single: 3640 vs 489
- Better Geekbench Multi: 11033 vs 1532
- Bigger battery: 7400 vs 7200 mAh
- Faster charging: 120W vs 44W
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (99/100 vs 36/100)
- Better camera (78/100 vs 30/100)
- Longer battery life (92/100 vs 60/100)
- Better display (99/100 vs 55/100)
- Better value for money (90/100 vs 48/100)
- Lighter: 219g vs 227g
- Cheaper: $185 vs $799
- Better portability (43/100 vs 35/100)
Comparing the Vivo iQOO 15 Ultra vs the Vivo Y31d, the Vivo iQOO 15 Ultra scores 48 points higher (89/100 vs 41/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (99/100 vs 36/100). In the "camera" category, the Vivo iQOO 15 Ultra leads (78/100 vs 30/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (92/100 vs 60/100). In the "value for money" category, the Vivo iQOO 15 Ultra leads (90/100 vs 48/100). In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo Y31d (99/100 vs 36/100). In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo Y31d (99/100 vs 55/100). In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo Y31d (78/100 vs 30/100). In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo Y31d (92/100 vs 60/100). In the "portability" category, the Vivo Y31d is a bit better (43/100 vs 35/100). In the "value for money" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo Y31d (90/100 vs 48/100).
| Specification | Vivo iQOO 15 Ultra | Vivo Y31d | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 6s 4G Gen 2 | |
| AnTuTu | 4602290 | 522680 | |
| Geekbench Single | 3640 | 489 | |
| Geekbench Multi | 11033 | 1532 | |
| Display | 6.8" LTPO AMOLED | 6.8" IPS LCD | |
| Resolution | 1440x3168 | 720x1570 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7400 mAh | 7200 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 | 8 MP | |
| RAM | 12GB / 16GB / 24GB | 6GB / 8GB | |
| Storage | 256GB / 512GB / 1TB | 128GB / 256GB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | 8000 nits | 1250 nits | |
| NFC | yes | no | |
| Protection | IP68 | IP68/IP69 | |
| Dimensions | 163.7×76.8×8.7 mm | 166.6×78.4×8.4 mm | |
| Weight | 227 g | 219 g | |
| Price | $799 | $185 |
Vivo iQOO 15 Ultra
- Main: 50MP f/f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Vivo Y31d
- Main: 50MP f/f/2.0
- Front: 8MP
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Vivo Y31d
- 6.8" IPS LCD
- Resolution: 720x1570
- Refresh rate: 120 Hz
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
Vivo Y31d
- 7200 mAh
- Wired: 44W
- No wireless charging
We compared Vivo iQOO 15 Ultra and Vivo Y31d, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads Vivo Y31d by 780.5% in our overall performance rating.
Price difference: $614. Vivo Y31d is cheaper by $614.
performance
In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo Y31d (99/100 vs 36/100).
display
In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo Y31d (99/100 vs 55/100).
camera
In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo Y31d (78/100 vs 30/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo Y31d (92/100 vs 60/100).
portability
In the "portability" category, the Vivo Y31d is a bit better (43/100 vs 35/100).
value for money
In the "value for money" category, the Vivo iQOO 15 Ultra significantly outperforms the Vivo Y31d (90/100 vs 48/100).
Which is better: the Vivo iQOO 15 Ultra or the Vivo Y31d?
The Vivo iQOO 15 Ultra significantly outperforms the Vivo Y31d by 48 points (89/100 vs 41/100).
What is the rating of the Vivo iQOO 15 Ultra and the Vivo Y31d?
The Vivo iQOO 15 Ultra has a MobileRank rating of 89/100, the Vivo Y31d — 41/100.
Which has the better camera: the Vivo iQOO 15 Ultra or the Vivo Y31d?
The Vivo iQOO 15 Ultra leads on camera score (78/100 vs 30/100).
Which is more powerful: the Vivo iQOO 15 Ultra or the Vivo Y31d?
The Vivo iQOO 15 Ultra leads on performance (99/100 vs 36/100).
Should you choose the Vivo iQOO 15 Ultra over the Vivo Y31d?
The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Vivo Y31d is a better fit for everyday use.