Vivo X100 Ultra vs Xiaomi 15 Ultra
The Vivo X100 Ultra (2024) runs on the Qualcomm Snapdragon 8 Gen 3, while the Xiaomi 15 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $900 and $999. By overall MobileRank rating, the Xiaomi 15 Ultra leads — 85/100 vs 79/100 (a 6-point difference). Key differences: the Xiaomi 15 Ultra has the bigger battery (6000 mAh vs 5500); the Xiaomi 15 Ultra is faster in AnTuTu (3,030,376 vs 2,294,102).
Vivo X100 Ultra
Xiaomi 15 Ultra
- Cheaper at launch: $900 vs $999
- Overall rating 79/100
- Higher AnTuTu: 3030376 vs 2294102
- Better Geekbench Single: 3050 vs 2205
- Better Geekbench Multi: 10200 vs 7192
- Bigger battery: 6000 vs 5500 mAh
- Faster charging: 90W vs 80W
- Faster wireless charging: 50W vs 30W
- Lighter: 225g vs 229g
- Higher performance (92/100 vs 82/100)
- Longer battery life (80/100 vs 73/100)
- Better display (90/100 vs 84/100)
Comparing the Vivo X100 Ultra vs the Xiaomi 15 Ultra, the Xiaomi 15 Ultra scores 6 points higher (85/100 vs 79/100). In the "performance" category, the Xiaomi 15 Ultra leads (92/100 vs 82/100). Value score: Vivo X100 Ultra — 70/100, Xiaomi 15 Ultra — 82/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Xiaomi 15 Ultra is a bit better (92/100 vs 82/100). In the "display" category, the Xiaomi 15 Ultra is a bit better (90/100 vs 84/100). In the "camera" category, both devices are on the same level — 87/100. In the "battery" category, the Xiaomi 15 Ultra is a bit better (80/100 vs 73/100). In the "portability" category, both devices are on the same level — 29/100.
| Specification | Vivo X100 Ultra | Xiaomi 15 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Gen 3 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 2294102 | 3030376 | |
| Geekbench Single | 2205 | 3050 | |
| Geekbench Multi | 7192 | 10200 | |
| Display | 6.8" LTPO AMOLED | 6.7" LTPO AMOLED | |
| Resolution | 2800x1260 | 3200x1440 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 5500 mAh | 6000 mAh | |
| Charging | 80W | 90W | |
| Wireless charging | 30W | 50W | |
| DXOMark (camera) | — | 159 | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 50 MP | 50 MP | |
| Telephoto | 200 MP | 50 MP | |
| Front camera | 50 MP | 32 MP | |
| RAM | 12GB / 16GB | 16GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB / 1TB | |
| OS | Android 14 | Android 15 / HyperOS 2 | |
| Brightness (peak) | 3000 nits | 3200 nits | |
| NFC | yes | yes | |
| Protection | IP69 | IP68 | |
| Dimensions | 164.1×75.6×9.2 mm | 161.3×75.3×9.4 mm | |
| Weight | 229 g | 225 g | |
| Launch price | $900 | $999 |
Vivo X100 Ultra
- Main: 50MP f/1.75
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 50MP
Xiaomi 15 Ultra
- Main: 50MP f/f/1.63
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Vivo X100 Ultra
- 6.8" LTPO AMOLED
- Resolution: 2800x1260
- Refresh rate: 120 Hz
Xiaomi 15 Ultra
- 6.7" LTPO AMOLED
- Resolution: 3200x1440
- Refresh rate: 120 Hz
Vivo X100 Ultra
- 5500 mAh
- Wired: 80W
- Wireless: 30W
Xiaomi 15 Ultra
- 6000 mAh
- NanoReview test: web browsing 12:19 hrs, total 30:03 hrs
- Wired: 90W
- Wireless: 50W
We compared Vivo X100 Ultra and Xiaomi 15 Ultra, covering their specs and all relevant benchmarks.
Xiaomi 15 Ultra leads Vivo X100 Ultra by 24.3% in our overall performance rating.
Launch price difference: $99. Vivo X100 Ultra was $99 cheaper at launch.
performance
In the "performance" category, the Xiaomi 15 Ultra is a bit better (92/100 vs 82/100).
display
In the "display" category, the Xiaomi 15 Ultra is a bit better (90/100 vs 84/100).
camera
In the "camera" category, both devices are on the same level — 87/100.
battery
In the "battery" category, the Xiaomi 15 Ultra is a bit better (80/100 vs 73/100).
portability
In the "portability" category, both devices are on the same level — 29/100.
Which is better: the Vivo X100 Ultra or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra 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 X100 Ultra and the Xiaomi 15 Ultra?
The Vivo X100 Ultra has a MobileRank rating of 79/100, the Xiaomi 15 Ultra — 85/100.
Which is more powerful: the Vivo X100 Ultra or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra leads on performance (92/100 vs 82/100).
Should you choose the Vivo X100 Ultra over the Xiaomi 15 Ultra?
The Vivo X100 Ultra is a better fit for gamers and power users, mobile photography enthusiasts. The Xiaomi 15 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.