Vivo iQOO 15 vs Vivo X300s
The Vivo iQOO 15 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo X300s (2026) runs on the Dimensity 9500; launch prices were $599 and $723. By overall MobileRank rating, the Vivo X300s leads — 89/100 vs 86/100 (a 3-point difference). Key differences: the Vivo X300s has the bigger battery (7100 mAh vs 7000); the main camera is 50 MP vs 200 MP; the Vivo iQOO 15 is faster in AnTuTu (3,758,268 vs 3,703,823).
Profile comparison
Category scores
Vivo iQOO 15
Vivo X300s
What makes Vivo iQOO 15 better?
- Higher AnTuTu: 3758268 vs 3703823
- Faster charging: 100W vs 90W
- Lighter: 215g vs 217g
- Cheaper at launch: $599 vs $723
- Longer battery life (85/100 vs 83/100)
- Better display (99/100 vs 94/100)
- Better portability (48/100 vs 42/100)
What makes Vivo X300s better?
- Better Geekbench Single: 3293 vs 3013
- Better Geekbench Multi: 10243 vs 9287
- Bigger battery: 7100 vs 7000 mAh
- Better main camera: 200MP vs 50MP
- Higher performance (95/100 vs 94/100)
- Better camera (94/100 vs 78/100)
Comparison verdict
Comparing the Vivo iQOO 15 vs the Vivo X300s, the Vivo X300s scores 3 points higher (89/100 vs 86/100). In the "camera" category, the Vivo X300s leads (94/100 vs 78/100). Value score: Vivo iQOO 15 — 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 X300s and the Vivo iQOO 15 are nearly equal (95/100 vs 94/100). In the "display" category, the Vivo iQOO 15 is a bit better (99/100 vs 94/100). In the "camera" category, the Vivo X300s notably outperforms the Vivo iQOO 15 (94/100 vs 78/100). In the "battery" category, the Vivo iQOO 15 and the Vivo X300s are nearly equal (85/100 vs 83/100). In the "portability" category, the Vivo iQOO 15 is a bit better (48/100 vs 42/100).
Specs comparison
| Specification | Vivo iQOO 15 | Vivo X300s | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Dimensity 9500 | |
| AnTuTu | 3758268 | 3703823 | |
| Geekbench Single | 3013 | 3293 | |
| Geekbench Multi | 9287 | 10243 | |
| Display | 6.8" LTPO AMOLED | 6.8" LTPO AMOLED | |
| Resolution | 1440x3168 | 2800x1260 | |
| Refresh rate | 144 Hz | 144 Hz | |
| Battery | 7000 mAh | 7100 mAh | |
| Charging | 100W | 90W | |
| Wireless charging | 40W | 40W | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 50 MP | 50 MP | |
| Telephoto | 50 MP | 50 MP | |
| Front camera | 32 MP | 50 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 16 / OriginOS 6 | |
| Brightness (peak) | 6000 nits | — | |
| NFC | yes | — | |
| Protection | IP68 | — | |
| Dimensions | 163.7×76.8×8.1 mm | — | |
| Weight | 215 g | 217 g | |
| Launch price | $599 | $723 |
Camera comparison
Vivo iQOO 15
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Vivo X300s
- Main: 200MP f/1.7
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 50MP
Display comparison
Vivo iQOO 15
- 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 15
- 7000 mAh
- NanoReview test: web browsing 18:52 hrs, total 39:26 hrs
- Wired: 100W
- Wireless: 40W
Vivo X300s
- 7100 mAh
- Wired: 90W
- Wireless: 40W
Overall performance score
We compared Vivo iQOO 15 and Vivo X300s, covering their specs and all relevant benchmarks.
Vivo iQOO 15 leads Vivo X300s by 1.5% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $124. Vivo iQOO 15 was $124 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo X300s and the Vivo iQOO 15 are nearly equal (95/100 vs 94/100).
display
In the "display" category, the Vivo iQOO 15 is a bit better (99/100 vs 94/100).
camera
In the "camera" category, the Vivo X300s notably outperforms the Vivo iQOO 15 (94/100 vs 78/100).
battery
In the "battery" category, the Vivo iQOO 15 and the Vivo X300s are nearly equal (85/100 vs 83/100).
portability
In the "portability" category, the Vivo iQOO 15 is a bit better (48/100 vs 42/100).
Frequently asked questions
Which is better: the Vivo iQOO 15 or the Vivo X300s?
The Vivo X300s edges out the Vivo iQOO 15 by just 3 points — the two devices are very close in overall level.
What is the rating of the Vivo iQOO 15 and the Vivo X300s?
The Vivo iQOO 15 has a MobileRank rating of 86/100, the Vivo X300s — 89/100.
Which has the better camera: the Vivo iQOO 15 or the Vivo X300s?
The Vivo X300s leads on camera score (94/100 vs 78/100).
Should you choose the Vivo iQOO 15 over the Vivo X300s?
The Vivo iQOO 15 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.