Vivo iQOO 15T vs Vivo Y51
The Vivo iQOO 15T (2026) runs on the MediaTek Dimensity 9500, while the Vivo Y51 (2020) runs on the Qualcomm Snapdragon 665. By overall MobileRank rating, the Vivo iQOO 15T leads — 82/100 vs 40/100 (a 42-point difference). Key differences: the Vivo iQOO 15T has the bigger battery (8000 mAh vs 5000); the main camera is 200 MP vs 48 MP; the Vivo iQOO 15T is faster in AnTuTu (4,704,310 vs 329,457); the Vivo iQOO 15T has NFC for contactless payments, the Vivo Y51 doesn't; the Vivo Y51 is noticeably lighter (186g vs 216g).
Profile comparison
Category scores
Vivo iQOO 15T
Vivo Y51
What makes Vivo iQOO 15T better?
- Higher AnTuTu: 4704310 vs 329457
- Better Geekbench Single: 3293 vs 321
- Better Geekbench Multi: 10243 vs 1128
- Bigger battery: 8000 vs 5000 mAh
- Faster charging: 100W vs 18W
- Better main camera: 200MP vs 48MP
- Higher performance (97/100 vs 24/100)
- Better camera (65/100 vs 34/100)
- Longer battery life (75/100 vs 43/100)
- Better display (99/100 vs 83/100)
What makes Vivo Y51 better?
- Lighter: 186g vs 216g
- Better portability (59/100 vs 44/100)
Comparison verdict
Comparing the Vivo iQOO 15T vs the Vivo Y51, the Vivo iQOO 15T scores 42 points higher (82/100 vs 40/100). In the "performance" category, the Vivo iQOO 15T leads (97/100 vs 24/100). In the "camera" category, the Vivo iQOO 15T leads (65/100 vs 34/100). 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 Y51 (97/100 vs 24/100). In the "display" category, the Vivo iQOO 15T notably outperforms the Vivo Y51 (99/100 vs 83/100). In the "camera" category, the Vivo iQOO 15T significantly outperforms the Vivo Y51 (65/100 vs 34/100). In the "battery" category, the Vivo iQOO 15T significantly outperforms the Vivo Y51 (75/100 vs 43/100). In the "portability" category, the Vivo Y51 notably outperforms the Vivo iQOO 15T (59/100 vs 44/100).
Specs comparison
| Specification | Vivo iQOO 15T | Vivo Y51 | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9500 | Qualcomm Snapdragon 665 | |
| AnTuTu | 4704310 | 329457 | |
| Geekbench Single | 3293 | 321 | |
| Geekbench Multi | 10243 | 1128 | |
| Display | 6.8" LTPO AMOLED | 6.4" Super AMOLED | |
| Resolution | 1440x3168 | 1080x2340 | |
| Refresh rate | 144 Hz | — | |
| Battery | 8000 mAh | 5000 mAh | |
| Charging | 100W | 18W | |
| Main camera | 200 MP | 48 MP | |
| Ultrawide | 50 MP | 8 MP | |
| Front camera | 16 MP | 16 MP | |
| RAM | 12GB / 16GB | 8GB | |
| Storage | 256GB / 512GB / 1TB | 128GB | |
| OS | Android 16 | Android 10, Funtouch 10 | |
| NFC | yes | no | |
| Protection | IP68 | — | |
| Dimensions | — | 159.3×75.2×8.7 mm | |
| Weight | 216 g | 186 g | |
| Launch price | $499 | — |
Camera comparison
Vivo iQOO 15T
- Main: 200MP f/1.8
- Ultrawide: 50MP
- Front: 16MP
Vivo Y51
- Main: 48MP f/1.8
- Ultrawide: 8MP
- Front: 16MP
Display comparison
Vivo iQOO 15T
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Vivo Y51
- 6.4" Super AMOLED
- Resolution: 1080x2340
- Refresh rate: —
Battery and charging
Vivo iQOO 15T
- 8000 mAh
- Wired: 100W
- No wireless charging
Vivo Y51
- 5000 mAh
- Wired: 18W
- No wireless charging
Overall performance score
We compared Vivo iQOO 15T and Vivo Y51, covering their specs and all relevant benchmarks.
Vivo iQOO 15T leads Vivo Y51 by 1327.9% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Vivo Y51
Price unknownDetailed category analysis
performance
In the "performance" category, the Vivo iQOO 15T significantly outperforms the Vivo Y51 (97/100 vs 24/100).
display
In the "display" category, the Vivo iQOO 15T notably outperforms the Vivo Y51 (99/100 vs 83/100).
camera
In the "camera" category, the Vivo iQOO 15T significantly outperforms the Vivo Y51 (65/100 vs 34/100).
battery
In the "battery" category, the Vivo iQOO 15T significantly outperforms the Vivo Y51 (75/100 vs 43/100).
portability
In the "portability" category, the Vivo Y51 notably outperforms the Vivo iQOO 15T (59/100 vs 44/100).
Frequently asked questions
Which is better: the Vivo iQOO 15T or the Vivo Y51?
The Vivo iQOO 15T significantly outperforms the Vivo Y51 by 42 points (82/100 vs 40/100).
What is the rating of the Vivo iQOO 15T and the Vivo Y51?
The Vivo iQOO 15T has a MobileRank rating of 82/100, the Vivo Y51 — 40/100.
Which has the better camera: the Vivo iQOO 15T or the Vivo Y51?
The Vivo iQOO 15T leads on camera score (65/100 vs 34/100).
Which is more powerful: the Vivo iQOO 15T or the Vivo Y51?
The Vivo iQOO 15T leads on performance (97/100 vs 24/100).
Should you choose the Vivo iQOO 15T over the Vivo Y51?
The Vivo iQOO 15T is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.