Vivo iQOO 15 Ultra vs Xiaomi 14
The Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Xiaomi 14 (2024) runs on the Qualcomm Snapdragon 8 Gen 3; launch prices were $799 and $599. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 89/100 vs 75/100 (a 14-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 4610); the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 2,363,726); the Xiaomi 14 is noticeably lighter (193g vs 227g).
Vivo iQOO 15 Ultra
Xiaomi 14
- Higher AnTuTu: 4602290 vs 2363726
- Better Geekbench Single: 3640 vs 2200
- Better Geekbench Multi: 11033 vs 7000
- Bigger battery: 7400 vs 4610 mAh
- Faster charging: 120W vs 90W
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (99/100 vs 82/100)
- Better camera (78/100 vs 71/100)
- Longer battery life (92/100 vs 65/100)
- Better display (99/100 vs 85/100)
- Lighter: 193g vs 227g
- Cheaper at launch: $599 vs $799
- Better portability (61/100 vs 35/100)
Comparing the Vivo iQOO 15 Ultra vs the Xiaomi 14, the Vivo iQOO 15 Ultra scores 14 points higher (89/100 vs 75/100). 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 65/100). Value score: Vivo iQOO 15 Ultra — 90/100, Xiaomi 14 — 62/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Vivo iQOO 15 Ultra notably outperforms the Xiaomi 14 (99/100 vs 82/100). In the "display" category, the Vivo iQOO 15 Ultra is a bit better (99/100 vs 85/100). In the "camera" category, the Vivo iQOO 15 Ultra is a bit better (78/100 vs 71/100). In the "battery" category, the Vivo iQOO 15 Ultra notably outperforms the Xiaomi 14 (92/100 vs 65/100). In the "portability" category, the Xiaomi 14 notably outperforms the Vivo iQOO 15 Ultra (61/100 vs 35/100).
| Specification | Vivo iQOO 15 Ultra | Xiaomi 14 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 8 Gen 3 | |
| AnTuTu | 4602290 | 2363726 | |
| Geekbench Single | 3640 | 2200 | |
| Geekbench Multi | 11033 | 7000 | |
| Display | 6.8" LTPO AMOLED | 6.4" LTPO AMOLED | |
| Resolution | 1440x3168 | 2670x1200 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7400 mAh | 4610 mAh | |
| Charging | 120W | 90W | |
| Wireless charging | 50W | 50W | |
| DXOMark (camera) | — | 138 | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 50 MP | 50 MP | |
| Telephoto | 50 MP | 50 MP | |
| Front camera | 32 MP | 32 MP | |
| RAM | 12GB / 16GB / 24GB | 8GB / 12GB / 16GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 14 / HyperOS | |
| Brightness (peak) | 8000 nits | 3000 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 163.7×76.8×8.7 mm | 152.8×71.5×8.2 mm | |
| Weight | 227 g | 193 g | |
| Launch price | $799 | $599 |
Vivo iQOO 15 Ultra
- Main: 50MP f/f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Xiaomi 14
- Main: 50MP f/f/1.6
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Xiaomi 14
- 6.4" LTPO AMOLED
- Resolution: 2670x1200
- Refresh rate: 120 Hz
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
Xiaomi 14
- 4610 mAh
- Wired: 90W
- Wireless: 50W
We compared Vivo iQOO 15 Ultra and Xiaomi 14, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads Xiaomi 14 by 94.7% in our overall performance rating.
Launch price difference: $200. Xiaomi 14 was $200 cheaper at launch.
performance
In the "performance" category, the Vivo iQOO 15 Ultra notably outperforms the Xiaomi 14 (99/100 vs 82/100).
display
In the "display" category, the Vivo iQOO 15 Ultra is a bit better (99/100 vs 85/100).
camera
In the "camera" category, the Vivo iQOO 15 Ultra is a bit better (78/100 vs 71/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra notably outperforms the Xiaomi 14 (92/100 vs 65/100).
portability
In the "portability" category, the Xiaomi 14 notably outperforms the Vivo iQOO 15 Ultra (61/100 vs 35/100).
Which is better: the Vivo iQOO 15 Ultra or the Xiaomi 14?
The Vivo iQOO 15 Ultra is noticeably better than the Xiaomi 14 — the overall rating gap is 14 points.
What is the rating of the Vivo iQOO 15 Ultra and the Xiaomi 14?
The Vivo iQOO 15 Ultra has a MobileRank rating of 89/100, the Xiaomi 14 — 75/100.
Which has the better camera: the Vivo iQOO 15 Ultra or the Xiaomi 14?
The Vivo iQOO 15 Ultra leads on camera score (78/100 vs 71/100).
Which is more powerful: the Vivo iQOO 15 Ultra or the Xiaomi 14?
The Vivo iQOO 15 Ultra leads on performance (99/100 vs 82/100).
Should you choose the Vivo iQOO 15 Ultra over the Xiaomi 14?
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 14 is a better fit for gamers and power users.