Vivo iQOO 15 Ultra vs Xiaomi 18 Fold
The Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Xiaomi 18 Fold (2026) runs on the Xiaomi XRING O3; launch prices were $799 and $1639. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 89/100 vs 86/100 (a 3-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 6000); the main camera is 50 MP vs 200 MP; the Xiaomi 18 Fold is faster in AnTuTu (5,228,014 vs 4,602,290); the Xiaomi 18 Fold is thinner (5.0mm vs 8.7mm).
Profile comparison
Category scores
Vivo iQOO 15 Ultra
Xiaomi 18 Fold
What makes Vivo iQOO 15 Ultra better?
- Bigger battery: 7400 vs 6000 mAh
- Faster charging: 120W vs 67W
- Higher refresh rate: 144Hz vs 120Hz
- Cheaper at launch: $799 vs $1639
- Longer battery life (92/100 vs 75/100)
- Better display (99/100 vs 79/100)
What makes Xiaomi 18 Fold better?
- Higher AnTuTu: 5228014 vs 4602290
- Better Geekbench Single: 3715 vs 3639
- Better Geekbench Multi: 14213 vs 11047
- Better main camera: 200MP vs 50MP
- Lighter: 219g vs 227g
- Better camera (85/100 vs 78/100)
- Better portability (64/100 vs 35/100)
Comparison verdict
Comparing the Vivo iQOO 15 Ultra vs the Xiaomi 18 Fold, the Vivo iQOO 15 Ultra scores 3 points higher (89/100 vs 86/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (92/100 vs 75/100). Value score: Vivo iQOO 15 Ultra — 92/100, Xiaomi 18 Fold — 80/100; 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, both devices are on the same level — 99/100. In the "display" category, the Vivo iQOO 15 Ultra notably outperforms the Xiaomi 18 Fold (99/100 vs 79/100). In the "camera" category, the Xiaomi 18 Fold is a bit better (85/100 vs 78/100). In the "battery" category, the Vivo iQOO 15 Ultra notably outperforms the Xiaomi 18 Fold (92/100 vs 75/100). In the "portability" category, the Xiaomi 18 Fold notably outperforms the Vivo iQOO 15 Ultra (64/100 vs 35/100).
Specs comparison
| Specification | Vivo iQOO 15 Ultra | Xiaomi 18 Fold | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Xiaomi XRING O3 | |
| AnTuTu | 4602290 | 5228014 | |
| Geekbench Single | 3639 | 3715 | |
| Geekbench Multi | 11047 | 14213 | |
| Display | 6.8" LTPO AMOLED | 7.6" LTPO AMOLED | |
| Resolution | 1440x3168 | 1672x2364 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7400 mAh | 6000 mAh | |
| Charging | 120W | 67W | |
| Wireless charging | 50W | 50W | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 50 MP | 50 MP | |
| Telephoto | 50 MP | 50 MP | |
| Front camera | 32 MP | 16 MP | |
| RAM | 12GB / 16GB / 24GB | 12GB / 16GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | 8000 nits | 4000 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP59 | |
| Dimensions | 163.7×76.8×8.7 mm | 159.7×145.1×5.0 mm | |
| Weight | 227 g | 219 g | |
| Launch price | $799 | $1639 |
Camera comparison
Vivo iQOO 15 Ultra
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Xiaomi 18 Fold
- Main: 200MP f/1.7
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 16MP
Display comparison
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Xiaomi 18 Fold
- 7.6" LTPO AMOLED
- Resolution: 1672x2364
- Refresh rate: 120 Hz
Battery and charging
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
Xiaomi 18 Fold
- 6000 mAh
- Wired: 67W
- Wireless: 50W
Overall performance score
We compared Vivo iQOO 15 Ultra and Xiaomi 18 Fold, covering their specs and all relevant benchmarks.
Xiaomi 18 Fold leads Vivo iQOO 15 Ultra by 12.0% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $840. Vivo iQOO 15 Ultra was $840 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, both devices are on the same level — 99/100.
display
In the "display" category, the Vivo iQOO 15 Ultra notably outperforms the Xiaomi 18 Fold (99/100 vs 79/100).
camera
In the "camera" category, the Xiaomi 18 Fold is a bit better (85/100 vs 78/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra notably outperforms the Xiaomi 18 Fold (92/100 vs 75/100).
portability
In the "portability" category, the Xiaomi 18 Fold notably outperforms the Vivo iQOO 15 Ultra (64/100 vs 35/100).
Frequently asked questions
Which is better: the Vivo iQOO 15 Ultra or the Xiaomi 18 Fold?
The Vivo iQOO 15 Ultra edges out the Xiaomi 18 Fold by just 3 points — the two devices are very close in overall level.
What is the rating of the Vivo iQOO 15 Ultra and the Xiaomi 18 Fold?
The Vivo iQOO 15 Ultra has a MobileRank rating of 89/100, the Xiaomi 18 Fold — 86/100.
Which has the better camera: the Vivo iQOO 15 Ultra or the Xiaomi 18 Fold?
The Xiaomi 18 Fold leads on camera score (85/100 vs 78/100).
Should you choose the Vivo iQOO 15 Ultra over the Xiaomi 18 Fold?
The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Xiaomi 18 Fold is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.