Vivo iQOO 15 Ultra vs Xiaomi Mi Mix 3 5G
The Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Xiaomi Mi Mix 3 5G (2019) runs on the Qualcomm Snapdragon 855. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 89/100 vs 44/100 (a 45-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 3800); the main camera is 50 MP vs 12 MP; the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 824,513).
Profile comparison
Category scores
Vivo iQOO 15 Ultra
Xiaomi Mi Mix 3 5G
What makes Vivo iQOO 15 Ultra better?
- Higher AnTuTu: 4602290 vs 824513
- Better Geekbench Single: 3639 vs 968
- Better Geekbench Multi: 11047 vs 2731
- Bigger battery: 7400 vs 3800 mAh
- Faster charging: 120W vs 18W
- Better main camera: 50MP vs 12MP
- Faster wireless charging: 50W vs 10W
- Higher performance (99/100 vs 54/100)
- Better camera (78/100 vs 20/100)
- Longer battery life (92/100 vs 25/100)
- Better display (99/100 vs 83/100)
What makes Xiaomi Mi Mix 3 5G better?
- Lighter: 225g vs 227g
- Better portability (38/100 vs 35/100)
Comparison verdict
Comparing the Vivo iQOO 15 Ultra vs the Xiaomi Mi Mix 3 5G, the Vivo iQOO 15 Ultra scores 45 points higher (89/100 vs 44/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (99/100 vs 54/100). In the "camera" category, the Vivo iQOO 15 Ultra leads (78/100 vs 20/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (92/100 vs 25/100). In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Xiaomi Mi Mix 3 5G (99/100 vs 54/100). In the "display" category, the Vivo iQOO 15 Ultra notably outperforms the Xiaomi Mi Mix 3 5G (99/100 vs 83/100). In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Xiaomi Mi Mix 3 5G (78/100 vs 20/100). In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Xiaomi Mi Mix 3 5G (92/100 vs 25/100). In the "portability" category, the Xiaomi Mi Mix 3 5G and the Vivo iQOO 15 Ultra are nearly equal (38/100 vs 35/100).
Specs comparison
| Specification | Vivo iQOO 15 Ultra | Xiaomi Mi Mix 3 5G | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 855 | |
| AnTuTu | 4602290 | 824513 | |
| Geekbench Single | 3639 | 968 | |
| Geekbench Multi | 11047 | 2731 | |
| Display | 6.8" LTPO AMOLED | 6.4" Super AMOLED | |
| Resolution | 1440x3168 | 1080x2340 | |
| Refresh rate | 144 Hz | — | |
| Battery | 7400 mAh | 3800 mAh | |
| Charging | 120W | 18W | |
| Wireless charging | 50W | 10W | |
| Main camera | 50 MP | 12 MP | |
| Ultrawide | 50 MP | 0 MP | |
| Telephoto | 50 MP | 12 MP | |
| Front camera | 32 MP | 24 MP | |
| RAM | 12GB / 16GB / 24GB | 6GB | |
| Storage | 256GB / 512GB / 1TB | 128GB | |
| OS | Android 16 | Android 9.0 (Pie); MIUI 10 | |
| Brightness (peak) | 8000 nits | — | |
| NFC | yes | yes | |
| Protection | IP68 | — | |
| Dimensions | 163.7×76.8×8.7 mm | 157.9×74.7×8.5 mm | |
| Weight | 227 g | 225 g | |
| Launch price | $799 | — |
Camera comparison
Vivo iQOO 15 Ultra
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Xiaomi Mi Mix 3 5G
- Main: 12MP f/1.8
- Telephoto: 12MP
- Front: 24MP
Display comparison
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Xiaomi Mi Mix 3 5G
- 6.4" Super AMOLED
- Resolution: 1080x2340
- Refresh rate: —
Battery and charging
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
Xiaomi Mi Mix 3 5G
- 3800 mAh
- Wired: 18W
- Wireless: 10W
Overall performance score
We compared Vivo iQOO 15 Ultra and Xiaomi Mi Mix 3 5G, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads Xiaomi Mi Mix 3 5G by 458.2% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Xiaomi Mi Mix 3 5G
Price unknownDetailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Xiaomi Mi Mix 3 5G (99/100 vs 54/100).
display
In the "display" category, the Vivo iQOO 15 Ultra notably outperforms the Xiaomi Mi Mix 3 5G (99/100 vs 83/100).
camera
In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Xiaomi Mi Mix 3 5G (78/100 vs 20/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Xiaomi Mi Mix 3 5G (92/100 vs 25/100).
portability
In the "portability" category, the Xiaomi Mi Mix 3 5G and the Vivo iQOO 15 Ultra are nearly equal (38/100 vs 35/100).
Frequently asked questions
Which is better: the Vivo iQOO 15 Ultra or the Xiaomi Mi Mix 3 5G?
The Vivo iQOO 15 Ultra significantly outperforms the Xiaomi Mi Mix 3 5G by 45 points (89/100 vs 44/100).
What is the rating of the Vivo iQOO 15 Ultra and the Xiaomi Mi Mix 3 5G?
The Vivo iQOO 15 Ultra has a MobileRank rating of 89/100, the Xiaomi Mi Mix 3 5G — 44/100.
Which has the better camera: the Vivo iQOO 15 Ultra or the Xiaomi Mi Mix 3 5G?
The Vivo iQOO 15 Ultra leads on camera score (78/100 vs 20/100).
Which is more powerful: the Vivo iQOO 15 Ultra or the Xiaomi Mi Mix 3 5G?
The Vivo iQOO 15 Ultra leads on performance (99/100 vs 54/100).
Should you choose the Vivo iQOO 15 Ultra over the Xiaomi Mi Mix 3 5G?
The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.