Vivo iQOO 15 vs Vivo Y21G
The Vivo iQOO 15 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo Y21G (2022) runs on the MediaTek Helio G70. By overall MobileRank rating, the Vivo iQOO 15 leads — 86/100 vs 29/100 (a 57-point difference). Key differences: the Vivo iQOO 15 has the bigger battery (7000 mAh vs 5000); the main camera is 50 MP vs 13 MP; the Vivo iQOO 15 is faster in AnTuTu (3,740,528 vs 317,084); the Vivo iQOO 15 has NFC for contactless payments, the Vivo Y21G doesn't; the Vivo Y21G is noticeably lighter (182g vs 215g).
Vivo iQOO 15
Vivo Y21G
- Higher AnTuTu: 3740528 vs 317084
- Better Geekbench Single: 3041 vs 417
- Better Geekbench Multi: 9494 vs 1345
- Bigger battery: 7000 vs 5000 mAh
- Faster charging: 100W vs 18W
- Better main camera: 50MP vs 13MP
- Higher performance (94/100 vs 27/100)
- Better camera (78/100 vs 10/100)
- Longer battery life (85/100 vs 43/100)
- Better display (99/100 vs 39/100)
- Lighter: 182g vs 215g
- Better portability (70/100 vs 48/100)
Comparing the Vivo iQOO 15 vs the Vivo Y21G, the Vivo iQOO 15 scores 57 points higher (86/100 vs 29/100). In the "performance" category, the Vivo iQOO 15 leads (94/100 vs 27/100). In the "camera" category, the Vivo iQOO 15 leads (78/100 vs 10/100). In the "battery" category, the Vivo iQOO 15 leads (85/100 vs 43/100). In the "performance" category, the Vivo iQOO 15 significantly outperforms the Vivo Y21G (94/100 vs 27/100). In the "display" category, the Vivo iQOO 15 significantly outperforms the Vivo Y21G (99/100 vs 39/100). In the "camera" category, the Vivo iQOO 15 significantly outperforms the Vivo Y21G (78/100 vs 10/100). In the "battery" category, the Vivo iQOO 15 significantly outperforms the Vivo Y21G (85/100 vs 43/100). In the "portability" category, the Vivo Y21G notably outperforms the Vivo iQOO 15 (70/100 vs 48/100).
| Specification | Vivo iQOO 15 | Vivo Y21G | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | MediaTek Helio G70 | |
| AnTuTu | 3740528 | 317084 | |
| Geekbench Single | 3041 | 417 | |
| Geekbench Multi | 9494 | 1345 | |
| Display | 6.8" LTPO AMOLED | 6.5" IPS LCD | |
| Resolution | 1440x3168 | 720x1600 | |
| Refresh rate | 144 Hz | — | |
| Battery | 7000 mAh | 5000 mAh | |
| Charging | 100W | 18W | |
| Wireless charging | 40W | 0W | |
| Main camera | 50 MP | 13 MP | |
| Ultrawide | 50 MP | 0 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 32 MP | 8 MP | |
| RAM | 12GB / 16GB | 4GB | |
| Storage | 256GB / 512GB / 1TB | 64GB | |
| OS | Android 16 | Android 11, Funtouch 11.1 | |
| Brightness (peak) | 6000 nits | — | |
| NFC | yes | no | |
| Protection | IP68 | — | |
| Dimensions | 163.7×76.8×8.1 mm | 164.3×76.1×8.0 mm | |
| Weight | 215 g | 182 g | |
| Launch price | $599 | — |
Vivo iQOO 15
- Main: 50MP f/f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Vivo Y21G
- Main: 13MP f/f/2.2
- Front: 8MP
Vivo iQOO 15
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Vivo Y21G
- 6.5" IPS LCD
- Resolution: 720x1600
- Refresh rate: —
Vivo iQOO 15
- 7000 mAh
- NanoReview test: web browsing 18:52 hrs, total 39:26 hrs
- Wired: 100W
- Wireless: 40W
Vivo Y21G
- 5000 mAh
- Wired: 18W
- No wireless charging
We compared Vivo iQOO 15 and Vivo Y21G, covering their specs and all relevant benchmarks.
Vivo iQOO 15 leads Vivo Y21G by 1079.7% in our overall performance rating.
Vivo Y21G
Price unknownperformance
In the "performance" category, the Vivo iQOO 15 significantly outperforms the Vivo Y21G (94/100 vs 27/100).
display
In the "display" category, the Vivo iQOO 15 significantly outperforms the Vivo Y21G (99/100 vs 39/100).
camera
In the "camera" category, the Vivo iQOO 15 significantly outperforms the Vivo Y21G (78/100 vs 10/100).
battery
In the "battery" category, the Vivo iQOO 15 significantly outperforms the Vivo Y21G (85/100 vs 43/100).
portability
In the "portability" category, the Vivo Y21G notably outperforms the Vivo iQOO 15 (70/100 vs 48/100).
Which is better: the Vivo iQOO 15 or the Vivo Y21G?
The Vivo iQOO 15 significantly outperforms the Vivo Y21G by 57 points (86/100 vs 29/100).
What is the rating of the Vivo iQOO 15 and the Vivo Y21G?
The Vivo iQOO 15 has a MobileRank rating of 86/100, the Vivo Y21G — 29/100.
Which has the better camera: the Vivo iQOO 15 or the Vivo Y21G?
The Vivo iQOO 15 leads on camera score (78/100 vs 10/100).
Which is more powerful: the Vivo iQOO 15 or the Vivo Y21G?
The Vivo iQOO 15 leads on performance (94/100 vs 27/100).
Should you choose the Vivo iQOO 15 over the Vivo Y21G?
The Vivo iQOO 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Vivo Y21G is a better fit for everyday use.