Vivo iQOO 15T vs Vivo Y21G
The Vivo iQOO 15T (2026) runs on the MediaTek Dimensity 9500, while the Vivo Y21G (2022) runs on the MediaTek Helio G70. By overall MobileRank rating, the Vivo iQOO 15T leads — 82/100 vs 29/100 (a 53-point difference). Key differences: the Vivo iQOO 15T has the bigger battery (8000 mAh vs 5000); the main camera is 200 MP vs 13 MP; the Vivo iQOO 15T is faster in AnTuTu (3,815,522 vs 317,084); the Vivo iQOO 15T has NFC for contactless payments, the Vivo Y21G doesn't; the Vivo Y21G is noticeably lighter (182g vs 216g).
Vivo iQOO 15T
Vivo Y21G
- Higher AnTuTu: 3815522 vs 317084
- Better Geekbench Single: 3228 vs 417
- Better Geekbench Multi: 9553 vs 1345
- Bigger battery: 8000 vs 5000 mAh
- Faster charging: 100W vs 18W
- Better main camera: 200MP vs 13MP
- Higher performance (95/100 vs 27/100)
- Better camera (65/100 vs 10/100)
- Longer battery life (75/100 vs 43/100)
- Better display (99/100 vs 39/100)
- Lighter: 182g vs 216g
- Better portability (70/100 vs 44/100)
Comparing the Vivo iQOO 15T vs the Vivo Y21G, the Vivo iQOO 15T scores 53 points higher (82/100 vs 29/100). In the "performance" category, the Vivo iQOO 15T leads (95/100 vs 27/100). In the "camera" category, the Vivo iQOO 15T leads (65/100 vs 10/100). In the "battery" category, the Vivo iQOO 15T leads (75/100 vs 43/100). In the "performance" category, the Vivo iQOO 15T significantly outperforms the Vivo Y21G (95/100 vs 27/100). In the "display" category, the Vivo iQOO 15T significantly outperforms the Vivo Y21G (99/100 vs 39/100). In the "camera" category, the Vivo iQOO 15T significantly outperforms the Vivo Y21G (65/100 vs 10/100). In the "battery" category, the Vivo iQOO 15T significantly outperforms the Vivo Y21G (75/100 vs 43/100). In the "portability" category, the Vivo Y21G notably outperforms the Vivo iQOO 15T (70/100 vs 44/100).
| Specification | Vivo iQOO 15T | Vivo Y21G | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9500 | MediaTek Helio G70 | |
| AnTuTu | 3815522 | 317084 | |
| Geekbench Single | 3228 | 417 | |
| Geekbench Multi | 9553 | 1345 | |
| Display | 6.8" LTPO AMOLED | 6.5" IPS LCD | |
| Resolution | 1440x3168 | 720x1600 | |
| Refresh rate | 144 Hz | — | |
| Battery | 8000 mAh | 5000 mAh | |
| Charging | 100W | 18W | |
| Main camera | 200 MP | 13 MP | |
| Ultrawide | 50 MP | 0 MP | |
| Front camera | 16 MP | 8 MP | |
| RAM | 12GB / 16GB | 4GB | |
| Storage | 256GB / 512GB / 1TB | 64GB | |
| OS | Android 16 | Android 11, Funtouch 11.1 | |
| NFC | yes | no | |
| Protection | IP68 | — | |
| Dimensions | — | 164.3×76.1×8.0 mm | |
| Weight | 216 g | 182 g | |
| Launch price | $499 | — |
Vivo iQOO 15T
- Main: 200MP f/f/1.8
- Ultrawide: 50MP
- Front: 16MP
Vivo Y21G
- Main: 13MP f/f/2.2
- Front: 8MP
Vivo iQOO 15T
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Vivo Y21G
- 6.5" IPS LCD
- Resolution: 720x1600
- Refresh rate: —
Vivo iQOO 15T
- 8000 mAh
- Wired: 100W
- No wireless charging
Vivo Y21G
- 5000 mAh
- Wired: 18W
- No wireless charging
We compared Vivo iQOO 15T and Vivo Y21G, covering their specs and all relevant benchmarks.
Vivo iQOO 15T leads Vivo Y21G by 1103.3% in our overall performance rating.
Vivo Y21G
Price unknownperformance
In the "performance" category, the Vivo iQOO 15T significantly outperforms the Vivo Y21G (95/100 vs 27/100).
display
In the "display" category, the Vivo iQOO 15T significantly outperforms the Vivo Y21G (99/100 vs 39/100).
camera
In the "camera" category, the Vivo iQOO 15T significantly outperforms the Vivo Y21G (65/100 vs 10/100).
battery
In the "battery" category, the Vivo iQOO 15T significantly outperforms the Vivo Y21G (75/100 vs 43/100).
portability
In the "portability" category, the Vivo Y21G notably outperforms the Vivo iQOO 15T (70/100 vs 44/100).
Which is better: the Vivo iQOO 15T or the Vivo Y21G?
The Vivo iQOO 15T significantly outperforms the Vivo Y21G by 53 points (82/100 vs 29/100).
What is the rating of the Vivo iQOO 15T and the Vivo Y21G?
The Vivo iQOO 15T has a MobileRank rating of 82/100, the Vivo Y21G — 29/100.
Which has the better camera: the Vivo iQOO 15T or the Vivo Y21G?
The Vivo iQOO 15T leads on camera score (65/100 vs 10/100).
Which is more powerful: the Vivo iQOO 15T or the Vivo Y21G?
The Vivo iQOO 15T leads on performance (95/100 vs 27/100).
Should you choose the Vivo iQOO 15T over the Vivo Y21G?
The Vivo iQOO 15T 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.