Vivo iQOO 15 vs Vivo Y400 4G
The Vivo iQOO 15 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo Y400 4G (2025) runs on the Qualcomm Snapdragon 685. By overall MobileRank rating, the Vivo iQOO 15 leads — 86/100 vs 44/100 (a 42-point difference). Key differences: the Vivo iQOO 15 has the bigger battery (7000 mAh vs 6000); the Vivo iQOO 15 is faster in AnTuTu (3,740,528 vs 467,392); the Vivo Y400 4G is noticeably lighter (196g vs 215g).
Vivo iQOO 15
Vivo Y400 4G
- Higher AnTuTu: 3740528 vs 467392
- Better Geekbench Single: 3041 vs 466
- Better Geekbench Multi: 9494 vs 1396
- Bigger battery: 7000 vs 6000 mAh
- Faster charging: 100W vs 44W
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (94/100 vs 33/100)
- Better camera (78/100 vs 30/100)
- Longer battery life (85/100 vs 56/100)
- Better display (99/100 vs 79/100)
- Lighter: 196g vs 215g
- Better portability (63/100 vs 48/100)
Comparing the Vivo iQOO 15 vs the Vivo Y400 4G, the Vivo iQOO 15 scores 42 points higher (86/100 vs 44/100). In the "performance" category, the Vivo iQOO 15 leads (94/100 vs 33/100). In the "camera" category, the Vivo iQOO 15 leads (78/100 vs 30/100). In the "battery" category, the Vivo iQOO 15 leads (85/100 vs 56/100). In the "performance" category, the Vivo iQOO 15 significantly outperforms the Vivo Y400 4G (94/100 vs 33/100). In the "display" category, the Vivo iQOO 15 notably outperforms the Vivo Y400 4G (99/100 vs 79/100). In the "camera" category, the Vivo iQOO 15 significantly outperforms the Vivo Y400 4G (78/100 vs 30/100). In the "battery" category, the Vivo iQOO 15 notably outperforms the Vivo Y400 4G (85/100 vs 56/100). In the "portability" category, the Vivo Y400 4G notably outperforms the Vivo iQOO 15 (63/100 vs 48/100).
| Specification | Vivo iQOO 15 | Vivo Y400 4G | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 685 | |
| AnTuTu | 3740528 | 467392 | |
| Geekbench Single | 3041 | 466 | |
| Geekbench Multi | 9494 | 1396 | |
| Display | 6.8" LTPO AMOLED | 6.7" AMOLED | |
| Resolution | 1440x3168 | 1080x2400 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7000 mAh | 6000 mAh | |
| Charging | 100W | 44W | |
| Wireless charging | 40W | 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 | 8GB | |
| Storage | 256GB / 512GB / 1TB | 128GB / 256GB | |
| OS | Android 16 | Android 15, Funtouch 15 | |
| Brightness (peak) | 6000 nits | 1800 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 163.7×76.8×8.1 mm | 162.3×75.3×7.9 mm | |
| Weight | 215 g | 196 g | |
| Price | $599 | — |
Vivo iQOO 15
- Main: 50MP f/f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Vivo Y400 4G
- Main: 50MP f/f/1.8
- Front: 8MP
Vivo iQOO 15
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Vivo Y400 4G
- 6.7" AMOLED
- Resolution: 1080x2400
- Refresh rate: 120 Hz
Vivo iQOO 15
- 7000 mAh
- NanoReview test: web browsing 18:52 hrs, total 39:26 hrs
- Wired: 100W
- Wireless: 40W
Vivo Y400 4G
- 6000 mAh
- Wired: 44W
- No wireless charging
We compared Vivo iQOO 15 and Vivo Y400 4G, covering their specs and all relevant benchmarks.
Vivo iQOO 15 leads Vivo Y400 4G by 700.3% in our overall performance rating.
Vivo Y400 4G
Price unknownperformance
In the "performance" category, the Vivo iQOO 15 significantly outperforms the Vivo Y400 4G (94/100 vs 33/100).
display
In the "display" category, the Vivo iQOO 15 notably outperforms the Vivo Y400 4G (99/100 vs 79/100).
camera
In the "camera" category, the Vivo iQOO 15 significantly outperforms the Vivo Y400 4G (78/100 vs 30/100).
battery
In the "battery" category, the Vivo iQOO 15 notably outperforms the Vivo Y400 4G (85/100 vs 56/100).
portability
In the "portability" category, the Vivo Y400 4G notably outperforms the Vivo iQOO 15 (63/100 vs 48/100).
Which is better: the Vivo iQOO 15 or the Vivo Y400 4G?
The Vivo iQOO 15 significantly outperforms the Vivo Y400 4G by 42 points (86/100 vs 44/100).
What is the rating of the Vivo iQOO 15 and the Vivo Y400 4G?
The Vivo iQOO 15 has a MobileRank rating of 86/100, the Vivo Y400 4G — 44/100.
Which has the better camera: the Vivo iQOO 15 or the Vivo Y400 4G?
The Vivo iQOO 15 leads on camera score (78/100 vs 30/100).
Which is more powerful: the Vivo iQOO 15 or the Vivo Y400 4G?
The Vivo iQOO 15 leads on performance (94/100 vs 33/100).
Should you choose the Vivo iQOO 15 over the Vivo Y400 4G?
The Vivo iQOO 15 is a better fit for gamers and power users, those who care about battery life. The Vivo Y400 4G is a better fit for everyday use.