Vivo iQOO 15T vs Vivo Y31s 5G
The Vivo iQOO 15T (2026) runs on the MediaTek Dimensity 9500, while the Vivo Y31s 5G (2026) runs on the Qualcomm Snapdragon 4 Gen 2; launch prices were $499 and $200. By overall MobileRank rating, the Vivo iQOO 15T leads — 82/100 vs 47/100 (a 35-point difference). Key differences: the Vivo iQOO 15T has the bigger battery (8000 mAh vs 6500); the main camera is 200 MP vs 50 MP; the Vivo iQOO 15T is faster in AnTuTu (4,704,310 vs 568,395); the Vivo iQOO 15T has NFC for contactless payments, the Vivo Y31s 5G doesn't.
Profile comparison
Category scores
Vivo iQOO 15T
Vivo Y31s 5G
What makes Vivo iQOO 15T better?
- Higher AnTuTu: 4704310 vs 568395
- Better Geekbench Single: 3293 vs 915
- Better Geekbench Multi: 10243 vs 2115
- Bigger battery: 8000 vs 6500 mAh
- Faster charging: 100W vs 44W
- Better main camera: 200MP vs 50MP
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (97/100 vs 46/100)
- Better camera (65/100 vs 37/100)
- Longer battery life (75/100 vs 58/100)
- Better display (99/100 vs 55/100)
What makes Vivo Y31s 5G better?
- Lighter: 207g vs 216g
- Cheaper at launch: $200 vs $499
- Better portability (50/100 vs 44/100)
Comparison verdict
Comparing the Vivo iQOO 15T vs the Vivo Y31s 5G, the Vivo iQOO 15T scores 35 points higher (82/100 vs 47/100). In the "performance" category, the Vivo iQOO 15T leads (97/100 vs 46/100). In the "camera" category, the Vivo iQOO 15T leads (65/100 vs 37/100). In the "battery" category, the Vivo iQOO 15T leads (75/100 vs 58/100). Value score: Vivo iQOO 15T — 86/100, Vivo Y31s 5G — 54/100; 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 Y31s 5G (97/100 vs 46/100). In the "display" category, the Vivo iQOO 15T significantly outperforms the Vivo Y31s 5G (99/100 vs 55/100). In the "camera" category, the Vivo iQOO 15T notably outperforms the Vivo Y31s 5G (65/100 vs 37/100). In the "battery" category, the Vivo iQOO 15T notably outperforms the Vivo Y31s 5G (75/100 vs 58/100). In the "portability" category, the Vivo Y31s 5G is a bit better (50/100 vs 44/100).
Specs comparison
| Specification | Vivo iQOO 15T | Vivo Y31s 5G | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9500 | Qualcomm Snapdragon 4 Gen 2 | |
| AnTuTu | 4704310 | 568395 | |
| Geekbench Single | 3293 | 915 | |
| Geekbench Multi | 10243 | 2115 | |
| Display | 6.8" LTPO AMOLED | 6.7" IPS LCD | |
| Resolution | 1440x3168 | 1600x720 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 8000 mAh | 6500 mAh | |
| Charging | 100W | 44W | |
| Main camera | 200 MP | 50 MP | |
| Ultrawide | 50 MP | 0 MP | |
| Front camera | 16 MP | 32 MP | |
| RAM | 12GB / 16GB | 8GB | |
| Storage | 256GB / 512GB / 1TB | 256GB | |
| OS | Android 16 | Android 16 | |
| NFC | yes | no | |
| Protection | IP68 | — | |
| Dimensions | — | 164.2×75.4×8.4 mm | |
| Weight | 216 g | 207 g | |
| Launch price | $499 | $200 |
Camera comparison
Vivo iQOO 15T
- Main: 200MP f/1.8
- Ultrawide: 50MP
- Front: 16MP
Vivo Y31s 5G
- Main: 50MP f/1.8
- Front: 32MP
Display comparison
Vivo iQOO 15T
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Vivo Y31s 5G
- 6.7" IPS LCD
- Resolution: 1600x720
- Refresh rate: 120 Hz
Battery and charging
Vivo iQOO 15T
- 8000 mAh
- Wired: 100W
- No wireless charging
Vivo Y31s 5G
- 6500 mAh
- Wired: 44W
- No wireless charging
Overall performance score
We compared Vivo iQOO 15T and Vivo Y31s 5G, covering their specs and all relevant benchmarks.
Vivo iQOO 15T leads Vivo Y31s 5G by 727.6% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $299. Vivo Y31s 5G was $299 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo iQOO 15T significantly outperforms the Vivo Y31s 5G (97/100 vs 46/100).
display
In the "display" category, the Vivo iQOO 15T significantly outperforms the Vivo Y31s 5G (99/100 vs 55/100).
camera
In the "camera" category, the Vivo iQOO 15T notably outperforms the Vivo Y31s 5G (65/100 vs 37/100).
battery
In the "battery" category, the Vivo iQOO 15T notably outperforms the Vivo Y31s 5G (75/100 vs 58/100).
portability
In the "portability" category, the Vivo Y31s 5G is a bit better (50/100 vs 44/100).
Frequently asked questions
Which is better: the Vivo iQOO 15T or the Vivo Y31s 5G?
The Vivo iQOO 15T significantly outperforms the Vivo Y31s 5G by 35 points (82/100 vs 47/100).
What is the rating of the Vivo iQOO 15T and the Vivo Y31s 5G?
The Vivo iQOO 15T has a MobileRank rating of 82/100, the Vivo Y31s 5G — 47/100.
Which has the better camera: the Vivo iQOO 15T or the Vivo Y31s 5G?
The Vivo iQOO 15T leads on camera score (65/100 vs 37/100).
Which is more powerful: the Vivo iQOO 15T or the Vivo Y31s 5G?
The Vivo iQOO 15T leads on performance (97/100 vs 46/100).
Should you choose the Vivo iQOO 15T over the Vivo Y31s 5G?
The Vivo iQOO 15T is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.