Vivo iQOO 15 Ultra vs Vivo X100 Ultra
The Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Vivo X100 Ultra (2024) runs on the Qualcomm Snapdragon 8 Gen 3; launch prices were $799 and $900. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 89/100 vs 80/100 (a 9-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 5500); the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 2,294,102).
Profile comparison
Category scores
Vivo iQOO 15 Ultra
Vivo X100 Ultra
What makes Vivo iQOO 15 Ultra better?
- Higher AnTuTu: 4602290 vs 2294102
- Better Geekbench Single: 3639 vs 2203
- Better Geekbench Multi: 11047 vs 6511
- Bigger battery: 7400 vs 5500 mAh
- Faster charging: 120W vs 100W
- Higher refresh rate: 144Hz vs 120Hz
- Faster wireless charging: 50W vs 30W
- Lighter: 227g vs 229g
- Cheaper at launch: $799 vs $900
- Higher performance (99/100 vs 82/100)
- Longer battery life (92/100 vs 77/100)
- Better display (99/100 vs 84/100)
- Better portability (35/100 vs 29/100)
What makes Vivo X100 Ultra better?
- Better camera (87/100 vs 78/100)
Comparison verdict
Comparing the Vivo iQOO 15 Ultra vs the Vivo X100 Ultra, the Vivo iQOO 15 Ultra scores 9 points higher (89/100 vs 80/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (99/100 vs 82/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (92/100 vs 77/100). Value score: Vivo iQOO 15 Ultra — 92/100, 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 Ultra notably outperforms the Vivo X100 Ultra (99/100 vs 82/100). In the "display" category, the Vivo iQOO 15 Ultra 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 Ultra notably outperforms the Vivo X100 Ultra (92/100 vs 77/100). In the "portability" category, the Vivo iQOO 15 Ultra is a bit better (35/100 vs 29/100).
Specs comparison
| Specification | Vivo iQOO 15 Ultra | Vivo X100 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 8 Gen 3 | |
| AnTuTu | 4602290 | 2294102 | |
| Geekbench Single | 3639 | 2203 | |
| Geekbench Multi | 11047 | 6511 | |
| Display | 6.8" LTPO AMOLED | 6.8" LTPO AMOLED | |
| Resolution | 1440x3168 | 2800x1260 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7400 mAh | 5500 mAh | |
| Charging | 120W | 100W | |
| Wireless charging | 50W | 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 / 24GB | 12GB / 16GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 14 | |
| Brightness (peak) | 8000 nits | 3000 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP69 | |
| Dimensions | 163.7×76.8×8.7 mm | 164.1×75.6×9.2 mm | |
| Weight | 227 g | 229 g | |
| Launch price | $799 | $900 |
Camera comparison
Vivo iQOO 15 Ultra
- 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 Ultra
- 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 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
Vivo X100 Ultra
- 5500 mAh
- Wired: 100W
- Wireless: 30W
Overall performance score
We compared Vivo iQOO 15 Ultra and Vivo X100 Ultra, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads Vivo X100 Ultra by 100.6% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $101. Vivo iQOO 15 Ultra was $101 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 Ultra notably outperforms the Vivo X100 Ultra (99/100 vs 82/100).
display
In the "display" category, the Vivo iQOO 15 Ultra 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 Ultra notably outperforms the Vivo X100 Ultra (92/100 vs 77/100).
portability
In the "portability" category, the Vivo iQOO 15 Ultra is a bit better (35/100 vs 29/100).
Frequently asked questions
Which is better: the Vivo iQOO 15 Ultra or the Vivo X100 Ultra?
The Vivo iQOO 15 Ultra edges out the Vivo X100 Ultra by just 9 points — the two devices are very close in overall level.
What is the rating of the Vivo iQOO 15 Ultra and the Vivo X100 Ultra?
The Vivo iQOO 15 Ultra has a MobileRank rating of 89/100, the Vivo X100 Ultra — 80/100.
Which has the better camera: the Vivo iQOO 15 Ultra 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 Ultra or the Vivo X100 Ultra?
The Vivo iQOO 15 Ultra leads on performance (99/100 vs 82/100).
Should you choose the Vivo iQOO 15 Ultra over the Vivo X100 Ultra?
The Vivo iQOO 15 Ultra 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.