Google Pixel 8 vs Xiaomi 15 Ultra
The Google Pixel 8 (2023) runs on the Google Tensor G3, while the Xiaomi 15 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $699 and $999. By overall MobileRank rating, the Xiaomi 15 Ultra leads — 85/100 vs 68/100 (a 17-point difference). Key differences: the Xiaomi 15 Ultra has the bigger battery (6000 mAh vs 4575); the Xiaomi 15 Ultra is faster in AnTuTu (3,030,376 vs 1,443,431); per DXOMark lab testing, the Xiaomi 15 Ultra has the stronger camera (159 vs 148); the Google Pixel 8 is noticeably lighter (187g vs 225g).
Profile comparison
Category scores
Google Pixel 8
Xiaomi 15 Ultra
What makes Google Pixel 8 better?
- Lighter: 187g vs 225g
- Cheaper at launch: $699 vs $999
- Better portability (57/100 vs 29/100)
What makes Xiaomi 15 Ultra better?
- Higher AnTuTu: 3030376 vs 1443431
- Better Geekbench Single: 3050 vs 1722
- Better Geekbench Multi: 10200 vs 4458
- Bigger battery: 6000 vs 4575 mAh
- Faster charging: 90W vs 27W
- Faster wireless charging: 50W vs 18W
- Higher performance (92/100 vs 70/100)
- Better camera (87/100 vs 79/100)
- Longer battery life (80/100 vs 44/100)
- Better display (90/100 vs 82/100)
Comparison verdict
Comparing the Google Pixel 8 vs the Xiaomi 15 Ultra, the Xiaomi 15 Ultra scores 17 points higher (85/100 vs 68/100). In the "performance" category, the Xiaomi 15 Ultra leads (92/100 vs 70/100). In the "battery" category, the Xiaomi 15 Ultra leads (80/100 vs 44/100). Value score: Google Pixel 8 — 50/100, Xiaomi 15 Ultra — 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, the Xiaomi 15 Ultra notably outperforms the Google Pixel 8 (92/100 vs 70/100). In the "display" category, the Xiaomi 15 Ultra is a bit better (90/100 vs 82/100). In the "camera" category, the Xiaomi 15 Ultra is a bit better (87/100 vs 79/100). In the "battery" category, the Xiaomi 15 Ultra significantly outperforms the Google Pixel 8 (80/100 vs 44/100). In the "portability" category, the Google Pixel 8 notably outperforms the Xiaomi 15 Ultra (57/100 vs 29/100).
Specs comparison
| Specification | Google Pixel 8 | Xiaomi 15 Ultra | |
|---|---|---|---|
| Processor | Google Tensor G3 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 1443431 | 3030376 | |
| Geekbench Single | 1722 | 3050 | |
| Geekbench Multi | 4458 | 10200 | |
| Display | 6.2" OLED | 6.7" LTPO AMOLED | |
| Resolution | 1080x2400 | 3200x1440 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 4575 mAh | 6000 mAh | |
| Charging | 27W | 90W | |
| Wireless charging | 18W | 50W | |
| DXOMark (camera) | 148 | 159 | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 12 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 10 MP | 32 MP | |
| RAM | 8GB | 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 14 | Android 15 / HyperOS 2 | |
| Brightness (peak) | 2000 nits | 3200 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 150.5×70.8×8.9 mm | 161.3×75.3×9.4 mm | |
| Weight | 187 g | 225 g | |
| Launch price | $699 | $999 |
Camera comparison
Google Pixel 8
- Main: 50MP f/1.7
- Ultrawide: 12MP
- Front: 10MP
Xiaomi 15 Ultra
- Main: 50MP f/1.63
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
Google Pixel 8
- 6.2" OLED
- Resolution: 1080x2400
- Refresh rate: 120 Hz
Xiaomi 15 Ultra
- 6.7" LTPO AMOLED
- Resolution: 3200x1440
- Refresh rate: 120 Hz
Battery and charging
Google Pixel 8
- 4575 mAh
- Wired: 27W
- Wireless: 18W
Xiaomi 15 Ultra
- 6000 mAh
- NanoReview test: web browsing 12:19 hrs, total 30:03 hrs
- Wired: 90W
- Wireless: 50W
Overall performance score
We compared Google Pixel 8 and Xiaomi 15 Ultra, covering their specs and all relevant benchmarks.
Xiaomi 15 Ultra leads Google Pixel 8 by 52.4% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $300. Google Pixel 8 was $300 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Xiaomi 15 Ultra notably outperforms the Google Pixel 8 (92/100 vs 70/100).
display
In the "display" category, the Xiaomi 15 Ultra is a bit better (90/100 vs 82/100).
camera
In the "camera" category, the Xiaomi 15 Ultra is a bit better (87/100 vs 79/100).
battery
In the "battery" category, the Xiaomi 15 Ultra significantly outperforms the Google Pixel 8 (80/100 vs 44/100).
portability
In the "portability" category, the Google Pixel 8 notably outperforms the Xiaomi 15 Ultra (57/100 vs 29/100).
Frequently asked questions
Which is better: the Google Pixel 8 or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra is noticeably better than the Google Pixel 8 — the overall rating gap is 17 points.
What is the rating of the Google Pixel 8 and the Xiaomi 15 Ultra?
The Google Pixel 8 has a MobileRank rating of 68/100, the Xiaomi 15 Ultra — 85/100.
Which has the better camera: the Google Pixel 8 or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra leads on camera score (87/100 vs 79/100).
Which is more powerful: the Google Pixel 8 or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra leads on performance (92/100 vs 70/100).
Should you choose the Google Pixel 8 over the Xiaomi 15 Ultra?
The Google Pixel 8 is a better fit for active users. 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.