Vivo iQOO 15 vs Vivo X100 Ultra
The Vivo iQOO 15 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo X100 Ultra (2024) runs on the Qualcomm Snapdragon 8 Gen 3; launch prices were $599 and $900. By overall MobileRank rating, the Vivo iQOO 15 leads — 86/100 vs 80/100 (a 6-point difference). Key differences: the Vivo iQOO 15 has the bigger battery (7000 mAh vs 5500); the Vivo iQOO 15 is faster in AnTuTu (3,758,268 vs 2,294,102); the Vivo iQOO 15 is thinner (8.1mm vs 9.2mm).
Profile comparison
Category scores
Vivo iQOO 15
Vivo X100 Ultra
What makes Vivo iQOO 15 better?
- Higher AnTuTu: 3758268 vs 2294102
- Better Geekbench Single: 3013 vs 2203
- Better Geekbench Multi: 9287 vs 6511
- Bigger battery: 7000 vs 5500 mAh
- Higher refresh rate: 144Hz vs 120Hz
- Faster wireless charging: 40W vs 30W
- Lighter: 215g vs 229g
- Cheaper at launch: $599 vs $900
- Higher performance (94/100 vs 82/100)
- Longer battery life (85/100 vs 77/100)
- Better display (99/100 vs 84/100)
- Better portability (48/100 vs 29/100)
What makes Vivo X100 Ultra better?
- Better camera (87/100 vs 78/100)
Comparison verdict
Comparing the Vivo iQOO 15 vs the Vivo X100 Ultra, the Vivo iQOO 15 scores 6 points higher (86/100 vs 80/100). In the "performance" category, the Vivo iQOO 15 leads (94/100 vs 82/100). Value score: Vivo iQOO 15 — 86/100, Vivo X100 Ultra — 72/100; 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 15 is a bit better (94/100 vs 82/100). In the "display" category, the Vivo iQOO 15 notably outperforms the Vivo X100 Ultra (99/100 vs 84/100). In the "camera" category, the Vivo X100 Ultra is a bit better (87/100 vs 78/100). In the "battery" category, the Vivo iQOO 15 is a bit better (85/100 vs 77/100). In the "portability" category, the Vivo iQOO 15 notably outperforms the Vivo X100 Ultra (48/100 vs 29/100).
Specs comparison
| Specification | Vivo iQOO 15 | Vivo X100 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Gen 3 | |
| AnTuTu | 3758268 | 2294102 | |
| Geekbench Single | 3013 | 2203 | |
| Geekbench Multi | 9287 | 6511 | |
| Display | 6.8" LTPO AMOLED | 6.8" LTPO AMOLED | |
| Resolution | 1440x3168 | 2800x1260 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7000 mAh | 5500 mAh | |
| Charging | 100W | 100W | |
| Wireless charging | 40W | 30W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 50 MP | 50 MP | |
| Telephoto | 50 MP | 200 MP | |
| Front camera | 32 MP | 50 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 14 | |
| Brightness (peak) | 6000 nits | 3000 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP69 | |
| Dimensions | 163.7×76.8×8.1 mm | 164.1×75.6×9.2 mm | |
| Weight | 215 g | 229 g | |
| Launch price | $599 | $900 |
Camera comparison
Vivo iQOO 15
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Vivo X100 Ultra
- Main: 50MP f/1.75
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 50MP
Display comparison
Vivo iQOO 15
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Vivo X100 Ultra
- 6.8" LTPO AMOLED
- Resolution: 2800x1260
- Refresh rate: 120 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 X100 Ultra
- 5500 mAh
- Wired: 100W
- Wireless: 30W
Overall performance score
We compared Vivo iQOO 15 and Vivo X100 Ultra, covering their specs and all relevant benchmarks.
Vivo iQOO 15 leads Vivo X100 Ultra by 63.8% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $301. Vivo iQOO 15 was $301 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 is a bit better (94/100 vs 82/100).
display
In the "display" category, the Vivo iQOO 15 notably outperforms the Vivo X100 Ultra (99/100 vs 84/100).
camera
In the "camera" category, the Vivo X100 Ultra is a bit better (87/100 vs 78/100).
battery
In the "battery" category, the Vivo iQOO 15 is a bit better (85/100 vs 77/100).
portability
In the "portability" category, the Vivo iQOO 15 notably outperforms the Vivo X100 Ultra (48/100 vs 29/100).
Frequently asked questions
Which is better: the Vivo iQOO 15 or the Vivo X100 Ultra?
The Vivo iQOO 15 edges out the Vivo X100 Ultra by just 6 points — the two devices are very close in overall level.
What is the rating of the Vivo iQOO 15 and the Vivo X100 Ultra?
The Vivo iQOO 15 has a MobileRank rating of 86/100, the Vivo X100 Ultra — 80/100.
Which has the better camera: the Vivo iQOO 15 or the Vivo X100 Ultra?
The Vivo X100 Ultra leads on camera score (87/100 vs 78/100).
Which is more powerful: the Vivo iQOO 15 or the Vivo X100 Ultra?
The Vivo iQOO 15 leads on performance (94/100 vs 82/100).
Should you choose the Vivo iQOO 15 over the Vivo X100 Ultra?
The Vivo iQOO 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Vivo X100 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life.