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; estimated prices are $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 (3,740,528 vs 3,703,823).
Vivo iQOO 15
Vivo X300s
- Higher AnTuTu: 3740528 vs 3703823
- Faster charging: 100W vs 90W
- Lighter: 215g vs 217g
- Cheaper: $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)
- Better Geekbench Single: 3228 vs 3041
- Better Geekbench Multi: 9553 vs 9494
- Bigger battery: 7100 vs 7000 mAh
- Better main camera: 200MP vs 50MP
- Better camera (94/100 vs 78/100)
- Better value for money (90/100 vs 84/100)
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). In the "performance" category, both devices are on the same level — 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). In the "value for money" category, the Vivo X300s is a bit better (90/100 vs 84/100).
| Specification | Vivo iQOO 15 | Vivo X300s | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Dimensity 9500 | |
| AnTuTu | 3740528 | 3703823 | |
| Geekbench Single | 3041 | 3228 | |
| Geekbench Multi | 9494 | 9553 | |
| 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 | |
| Price | $599 | $723 |
Vivo iQOO 15
- Main: 50MP f/f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Vivo X300s
- Main: 200MP f/f/1.7
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 50MP
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
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
We compared Vivo iQOO 15 and Vivo X300s, covering their specs and all relevant benchmarks.
Vivo iQOO 15 leads Vivo X300s by 1.0% in our overall performance rating.
Price difference: $124. Vivo iQOO 15 is cheaper by $124.
performance
In the "performance" category, both devices are on the same level — 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).
value for money
In the "value for money" category, the Vivo X300s is a bit better (90/100 vs 84/100).
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.