Vivo iQOO 15T vs Vivo X300s
The Vivo iQOO 15T (2026) runs on the MediaTek Dimensity 9500, while the Vivo X300s (2026) runs on the Dimensity 9500; launch prices were $499 and $723. By overall MobileRank rating, the Vivo X300s leads — 89/100 vs 82/100 (a 7-point difference). Key differences: the Vivo iQOO 15T has the bigger battery (8000 mAh vs 7100); the Vivo iQOO 15T is faster in AnTuTu (4,704,310 vs 3,703,823).
Profile comparison
Category scores
Vivo iQOO 15T
Vivo X300s
What makes Vivo iQOO 15T better?
- Higher AnTuTu: 4704310 vs 3703823
- Bigger battery: 8000 vs 7100 mAh
- Faster charging: 100W vs 90W
- Lighter: 216g vs 217g
- Cheaper at launch: $499 vs $723
- Higher performance (97/100 vs 95/100)
- Better display (99/100 vs 94/100)
- Better portability (44/100 vs 42/100)
What makes Vivo X300s better?
- Better camera (94/100 vs 65/100)
- Longer battery life (83/100 vs 75/100)
Comparison verdict
Comparing the Vivo iQOO 15T vs the Vivo X300s, the Vivo X300s scores 7 points higher (89/100 vs 82/100). In the "camera" category, the Vivo X300s leads (94/100 vs 65/100). Value score: Vivo iQOO 15T — 86/100, Vivo X300s — 92/100; 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 and the Vivo X300s are nearly equal (97/100 vs 95/100). In the "display" category, the Vivo iQOO 15T is a bit better (99/100 vs 94/100). In the "camera" category, the Vivo X300s notably outperforms the Vivo iQOO 15T (94/100 vs 65/100). In the "battery" category, the Vivo X300s is a bit better (83/100 vs 75/100). In the "portability" category, the Vivo iQOO 15T and the Vivo X300s are nearly equal (44/100 vs 42/100).
Specs comparison
| Specification | Vivo iQOO 15T | Vivo X300s | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9500 | Dimensity 9500 | |
| AnTuTu | 4704310 | 3703823 | |
| Geekbench Single | 3293 | 3293 | |
| Geekbench Multi | 10243 | 10243 | |
| Display | 6.8" LTPO AMOLED | 6.8" LTPO AMOLED | |
| Resolution | 1440x3168 | 2800x1260 | |
| Refresh rate | 144 Hz | 144 Hz | |
| Battery | 8000 mAh | 7100 mAh | |
| Charging | 100W | 90W | |
| Wireless charging | 0W | 40W | |
| Main camera | 200 MP | 200 MP | |
| Ultrawide | 50 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 16 MP | 50 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 16 / OriginOS 6 | |
| NFC | yes | — | |
| Protection | IP68 | — | |
| Weight | 216 g | 217 g | |
| Launch price | $499 | $723 |
Camera comparison
Vivo iQOO 15T
- Main: 200MP f/1.8
- Ultrawide: 50MP
- Front: 16MP
Vivo X300s
- Main: 200MP f/1.7
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 50MP
Display comparison
Vivo iQOO 15T
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Vivo X300s
- 6.8" LTPO AMOLED
- Resolution: 2800x1260
- Refresh rate: 144 Hz
Battery and charging
Vivo iQOO 15T
- 8000 mAh
- Wired: 100W
- No wireless charging
Vivo X300s
- 7100 mAh
- Wired: 90W
- Wireless: 40W
Overall performance score
We compared Vivo iQOO 15T and Vivo X300s, covering their specs and all relevant benchmarks.
Vivo iQOO 15T leads Vivo X300s by 27.0% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $224. Vivo iQOO 15T was $224 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo iQOO 15T and the Vivo X300s are nearly equal (97/100 vs 95/100).
display
In the "display" category, the Vivo iQOO 15T is a bit better (99/100 vs 94/100).
camera
In the "camera" category, the Vivo X300s notably outperforms the Vivo iQOO 15T (94/100 vs 65/100).
battery
In the "battery" category, the Vivo X300s is a bit better (83/100 vs 75/100).
portability
In the "portability" category, the Vivo iQOO 15T and the Vivo X300s are nearly equal (44/100 vs 42/100).
Frequently asked questions
Which is better: the Vivo iQOO 15T or the Vivo X300s?
The Vivo X300s edges out the Vivo iQOO 15T by just 7 points — the two devices are very close in overall level.
What is the rating of the Vivo iQOO 15T and the Vivo X300s?
The Vivo iQOO 15T has a MobileRank rating of 82/100, the Vivo X300s — 89/100.
Which has the better camera: the Vivo iQOO 15T or the Vivo X300s?
The Vivo X300s leads on camera score (94/100 vs 65/100).
Should you choose the Vivo iQOO 15T over the Vivo X300s?
The Vivo iQOO 15T is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Vivo X300s is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.