Xiaomi 15 Ultra vs Xiaomi Mi Mix 3 5G
The Xiaomi 15 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Xiaomi Mi Mix 3 5G (2019) runs on the Qualcomm Snapdragon 855. By overall MobileRank rating, the Xiaomi 15 Ultra leads — 85/100 vs 44/100 (a 41-point difference). Key differences: the Xiaomi 15 Ultra has the bigger battery (6000 mAh vs 3800); the main camera is 50 MP vs 12 MP; the Xiaomi 15 Ultra is faster in AnTuTu (3,030,376 vs 824,513).
Profile comparison
Category scores
Xiaomi 15 Ultra
Xiaomi Mi Mix 3 5G
What makes Xiaomi 15 Ultra better?
- Higher AnTuTu: 3030376 vs 824513
- Better Geekbench Single: 3050 vs 968
- Better Geekbench Multi: 10200 vs 2731
- Bigger battery: 6000 vs 3800 mAh
- Faster charging: 90W vs 18W
- Better main camera: 50MP vs 12MP
- Faster wireless charging: 50W vs 10W
- Higher performance (92/100 vs 54/100)
- Better camera (87/100 vs 20/100)
- Longer battery life (80/100 vs 25/100)
- Better display (90/100 vs 83/100)
What makes Xiaomi Mi Mix 3 5G better?
- Better portability (38/100 vs 29/100)
Comparison verdict
Comparing the Xiaomi 15 Ultra vs the Xiaomi Mi Mix 3 5G, the Xiaomi 15 Ultra scores 41 points higher (85/100 vs 44/100). In the "performance" category, the Xiaomi 15 Ultra leads (92/100 vs 54/100). In the "camera" category, the Xiaomi 15 Ultra leads (87/100 vs 20/100). In the "battery" category, the Xiaomi 15 Ultra leads (80/100 vs 25/100). In the "performance" category, the Xiaomi 15 Ultra significantly outperforms the Xiaomi Mi Mix 3 5G (92/100 vs 54/100). In the "display" category, the Xiaomi 15 Ultra is a bit better (90/100 vs 83/100). In the "camera" category, the Xiaomi 15 Ultra significantly outperforms the Xiaomi Mi Mix 3 5G (87/100 vs 20/100). In the "battery" category, the Xiaomi 15 Ultra significantly outperforms the Xiaomi Mi Mix 3 5G (80/100 vs 25/100). In the "portability" category, the Xiaomi Mi Mix 3 5G is a bit better (38/100 vs 29/100).
Specs comparison
| Specification | Xiaomi 15 Ultra | Xiaomi Mi Mix 3 5G | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 855 | |
| AnTuTu | 3030376 | 824513 | |
| Geekbench Single | 3050 | 968 | |
| Geekbench Multi | 10200 | 2731 | |
| Display | 6.7" LTPO AMOLED | 6.4" Super AMOLED | |
| Resolution | 3200x1440 | 1080x2340 | |
| Refresh rate | 120 Hz | — | |
| Battery | 6000 mAh | 3800 mAh | |
| Charging | 90W | 18W | |
| Wireless charging | 50W | 10W | |
| DXOMark (camera) | 159 | — | |
| Main camera | 50 MP | 12 MP | |
| Ultrawide | 50 MP | 0 MP | |
| Telephoto | 50 MP | 12 MP | |
| Front camera | 32 MP | 24 MP | |
| RAM | 16GB | 6GB | |
| Storage | 256GB / 512GB / 1TB | 128GB | |
| OS | Android 15 / HyperOS 2 | Android 9.0 (Pie); MIUI 10 | |
| Brightness (peak) | 3200 nits | — | |
| NFC | yes | yes | |
| Protection | IP68 | — | |
| Dimensions | 161.3×75.3×9.4 mm | 157.9×74.7×8.5 mm | |
| Weight | 225 g | 225 g | |
| Launch price | $999 | — |
Camera comparison
Xiaomi 15 Ultra
- Main: 50MP f/1.63
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Xiaomi Mi Mix 3 5G
- Main: 12MP f/1.8
- Telephoto: 12MP
- Front: 24MP
Display comparison
Xiaomi 15 Ultra
- 6.7" LTPO AMOLED
- Resolution: 3200x1440
- Refresh rate: 120 Hz
Xiaomi Mi Mix 3 5G
- 6.4" Super AMOLED
- Resolution: 1080x2340
- Refresh rate: —
Battery and charging
Xiaomi 15 Ultra
- 6000 mAh
- NanoReview test: web browsing 12:19 hrs, total 30:03 hrs
- Wired: 90W
- Wireless: 50W
Xiaomi Mi Mix 3 5G
- 3800 mAh
- Wired: 18W
- Wireless: 10W
Overall performance score
We compared Xiaomi 15 Ultra and Xiaomi Mi Mix 3 5G, covering their specs and all relevant benchmarks.
Xiaomi 15 Ultra leads Xiaomi Mi Mix 3 5G by 267.5% 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 Xiaomi 15 Ultra significantly outperforms the Xiaomi Mi Mix 3 5G (92/100 vs 54/100).
display
In the "display" category, the Xiaomi 15 Ultra is a bit better (90/100 vs 83/100).
camera
In the "camera" category, the Xiaomi 15 Ultra significantly outperforms the Xiaomi Mi Mix 3 5G (87/100 vs 20/100).
battery
In the "battery" category, the Xiaomi 15 Ultra significantly outperforms the Xiaomi Mi Mix 3 5G (80/100 vs 25/100).
portability
In the "portability" category, the Xiaomi Mi Mix 3 5G is a bit better (38/100 vs 29/100).
Frequently asked questions
Which is better: the Xiaomi 15 Ultra or the Xiaomi Mi Mix 3 5G?
The Xiaomi 15 Ultra significantly outperforms the Xiaomi Mi Mix 3 5G by 41 points (85/100 vs 44/100).
What is the rating of the Xiaomi 15 Ultra and the Xiaomi Mi Mix 3 5G?
The Xiaomi 15 Ultra has a MobileRank rating of 85/100, the Xiaomi Mi Mix 3 5G — 44/100.
Which has the better camera: the Xiaomi 15 Ultra or the Xiaomi Mi Mix 3 5G?
The Xiaomi 15 Ultra leads on camera score (87/100 vs 20/100).
Which is more powerful: the Xiaomi 15 Ultra or the Xiaomi Mi Mix 3 5G?
The Xiaomi 15 Ultra leads on performance (92/100 vs 54/100).
Should you choose the Xiaomi 15 Ultra over the Xiaomi Mi Mix 3 5G?
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.