Vivo iQOO 15T vs Vivo Y31d
The Vivo iQOO 15T (2026) runs on the MediaTek Dimensity 9500, while the Vivo Y31d (2026) runs on the Qualcomm Snapdragon 6s 4G Gen 2; launch prices were $499 and $185. By overall MobileRank rating, the Vivo iQOO 15T leads — 82/100 vs 41/100 (a 41-point difference). Key differences: the Vivo iQOO 15T has the bigger battery (8000 mAh vs 7200); the main camera is 200 MP vs 50 MP; the Vivo iQOO 15T is faster in AnTuTu (4,704,310 vs 505,682); the Vivo iQOO 15T has NFC for contactless payments, the Vivo Y31d doesn't.
Profile comparison
Category scores
Vivo iQOO 15T
Vivo Y31d
What makes Vivo iQOO 15T better?
- Higher AnTuTu: 4704310 vs 505682
- Better Geekbench Single: 3293 vs 484
- Better Geekbench Multi: 10243 vs 1558
- Bigger battery: 8000 vs 7200 mAh
- Faster charging: 100W vs 44W
- Better main camera: 200MP vs 50MP
- Higher refresh rate: 144Hz vs 120Hz
- Lighter: 216g vs 219g
- Higher performance (97/100 vs 36/100)
- Better camera (65/100 vs 30/100)
- Longer battery life (75/100 vs 60/100)
- Better display (99/100 vs 55/100)
- Better portability (44/100 vs 43/100)
What makes Vivo Y31d better?
- Cheaper at launch: $185 vs $499
- Overall rating 41/100
Comparison verdict
Comparing the Vivo iQOO 15T vs the Vivo Y31d, the Vivo iQOO 15T scores 41 points higher (82/100 vs 41/100). In the "performance" category, the Vivo iQOO 15T leads (97/100 vs 36/100). In the "camera" category, the Vivo iQOO 15T leads (65/100 vs 30/100). In the "battery" category, the Vivo iQOO 15T leads (75/100 vs 60/100). Value score: Vivo iQOO 15T — 86/100, Vivo Y31d — 46/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "performance" category, the Vivo iQOO 15T significantly outperforms the Vivo Y31d (97/100 vs 36/100). In the "display" category, the Vivo iQOO 15T significantly outperforms the Vivo Y31d (99/100 vs 55/100). In the "camera" category, the Vivo iQOO 15T significantly outperforms the Vivo Y31d (65/100 vs 30/100). In the "battery" category, the Vivo iQOO 15T notably outperforms the Vivo Y31d (75/100 vs 60/100). In the "portability" category, the Vivo iQOO 15T and the Vivo Y31d are nearly equal (44/100 vs 43/100).
Specs comparison
| Specification | Vivo iQOO 15T | Vivo Y31d | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9500 | Qualcomm Snapdragon 6s 4G Gen 2 | |
| AnTuTu | 4704310 | 505682 | |
| Geekbench Single | 3293 | 484 | |
| Geekbench Multi | 10243 | 1558 | |
| Display | 6.8" LTPO AMOLED | 6.8" IPS LCD | |
| Resolution | 1440x3168 | 720x1570 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 8000 mAh | 7200 mAh | |
| Charging | 100W | 44W | |
| Main camera | 200 MP | 50 MP | |
| Ultrawide | 50 MP | 0 MP | |
| Front camera | 16 MP | 8 MP | |
| RAM | 12GB / 16GB | 6GB / 8GB | |
| Storage | 256GB / 512GB / 1TB | 128GB / 256GB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | — | 1250 nits | |
| NFC | yes | no | |
| Protection | IP68 | IP68/IP69 | |
| Dimensions | — | 166.6×78.4×8.4 mm | |
| Weight | 216 g | 219 g | |
| Launch price | $499 | $185 |
Camera comparison
Vivo iQOO 15T
- Main: 200MP f/1.8
- Ultrawide: 50MP
- Front: 16MP
Vivo Y31d
- Main: 50MP f/2.0
- Front: 8MP
Display comparison
Vivo iQOO 15T
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Vivo Y31d
- 6.8" IPS LCD
- Resolution: 720x1570
- Refresh rate: 120 Hz
Battery and charging
Vivo iQOO 15T
- 8000 mAh
- Wired: 100W
- No wireless charging
Vivo Y31d
- 7200 mAh
- Wired: 44W
- No wireless charging
Overall performance score
We compared Vivo iQOO 15T and Vivo Y31d, covering their specs and all relevant benchmarks.
Vivo iQOO 15T leads Vivo Y31d by 830.3% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $314. Vivo Y31d was $314 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo iQOO 15T significantly outperforms the Vivo Y31d (97/100 vs 36/100).
display
In the "display" category, the Vivo iQOO 15T significantly outperforms the Vivo Y31d (99/100 vs 55/100).
camera
In the "camera" category, the Vivo iQOO 15T significantly outperforms the Vivo Y31d (65/100 vs 30/100).
battery
In the "battery" category, the Vivo iQOO 15T notably outperforms the Vivo Y31d (75/100 vs 60/100).
portability
In the "portability" category, the Vivo iQOO 15T and the Vivo Y31d are nearly equal (44/100 vs 43/100).
Frequently asked questions
Which is better: the Vivo iQOO 15T or the Vivo Y31d?
The Vivo iQOO 15T significantly outperforms the Vivo Y31d by 41 points (82/100 vs 41/100).
What is the rating of the Vivo iQOO 15T and the Vivo Y31d?
The Vivo iQOO 15T has a MobileRank rating of 82/100, the Vivo Y31d — 41/100.
Which has the better camera: the Vivo iQOO 15T or the Vivo Y31d?
The Vivo iQOO 15T leads on camera score (65/100 vs 30/100).
Which is more powerful: the Vivo iQOO 15T or the Vivo Y31d?
The Vivo iQOO 15T leads on performance (97/100 vs 36/100).
Should you choose the Vivo iQOO 15T over the Vivo Y31d?
The Vivo iQOO 15T is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.