Motorola Moto G100S vs Xiaomi 15 Ultra
The Motorola Moto G100S (2025) runs on the Qualcomm Snapdragon 6s Gen 4, while the Xiaomi 15 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite. By overall MobileRank rating, the Xiaomi 15 Ultra leads — 85/100 vs 50/100 (a 35-point difference). Key differences: the Motorola Moto G100S has the bigger battery (7000 mAh vs 6000); the Xiaomi 15 Ultra is faster in AnTuTu (3,030,376 vs 809,091); the Motorola Moto G100S is noticeably lighter (210g vs 225g).
Motorola Moto G100S
Xiaomi 15 Ultra
- Bigger battery: 7000 vs 6000 mAh
- Lighter: 210g vs 225g
- Better portability (47/100 vs 29/100)
- Higher AnTuTu: 3030376 vs 809091
- Better Geekbench Single: 3050 vs 1009
- Better Geekbench Multi: 10200 vs 2892
- Faster charging: 90W vs 30W
- Higher performance (92/100 vs 54/100)
- Better camera (87/100 vs 33/100)
- Longer battery life (80/100 vs 57/100)
- Better display (90/100 vs 66/100)
Comparing the Motorola Moto G100S vs the Xiaomi 15 Ultra, the Xiaomi 15 Ultra scores 35 points higher (85/100 vs 50/100). 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 33/100). In the "battery" category, the Xiaomi 15 Ultra leads (80/100 vs 57/100). In the "performance" category, the Xiaomi 15 Ultra significantly outperforms the Motorola Moto G100S (92/100 vs 54/100). In the "display" category, the Xiaomi 15 Ultra notably outperforms the Motorola Moto G100S (90/100 vs 66/100). In the "camera" category, the Xiaomi 15 Ultra significantly outperforms the Motorola Moto G100S (87/100 vs 33/100). In the "battery" category, the Xiaomi 15 Ultra notably outperforms the Motorola Moto G100S (80/100 vs 57/100). In the "portability" category, the Motorola Moto G100S notably outperforms the Xiaomi 15 Ultra (47/100 vs 29/100).
| Specification | Motorola Moto G100S | Xiaomi 15 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 6s Gen 4 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 809091 | 3030376 | |
| Geekbench Single | 1009 | 3050 | |
| Geekbench Multi | 2892 | 10200 | |
| Display | 6.7" IPS LCD | 6.7" LTPO AMOLED | |
| Resolution | 1080x2400 | 3200x1440 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 7000 mAh | 6000 mAh | |
| Charging | 30W | 90W | |
| Wireless charging | 0W | 50W | |
| DXOMark (camera) | — | 159 | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 8 MP | 32 MP | |
| RAM | 8GB | 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 15 | Android 15 / HyperOS 2 | |
| Brightness (peak) | 1050 nits | 3200 nits | |
| NFC | yes | yes | |
| Protection | IP64 | IP68 | |
| Dimensions | 166.2×76.5×8.6 mm | 161.3×75.3×9.4 mm | |
| Weight | 210 g | 225 g | |
| Price | — | $999 |
Motorola Moto G100S
- Main: 50MP f/f/1.9
- Ultrawide: 8MP
- Front: 8MP
Xiaomi 15 Ultra
- Main: 50MP f/f/1.63
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Motorola Moto G100S
- 6.7" IPS LCD
- Resolution: 1080x2400
- Refresh rate: 120 Hz
Xiaomi 15 Ultra
- 6.7" LTPO AMOLED
- Resolution: 3200x1440
- Refresh rate: 120 Hz
Motorola Moto G100S
- 7000 mAh
- Wired: 30W
- No wireless charging
Xiaomi 15 Ultra
- 6000 mAh
- NanoReview test: web browsing 12:19 hrs, total 30:03 hrs
- Wired: 90W
- Wireless: 50W
We compared Motorola Moto G100S and Xiaomi 15 Ultra, covering their specs and all relevant benchmarks.
Xiaomi 15 Ultra leads Motorola Moto G100S by 73.3% in our overall performance rating.
Motorola Moto G100S
Price unknownperformance
In the "performance" category, the Xiaomi 15 Ultra significantly outperforms the Motorola Moto G100S (92/100 vs 54/100).
display
In the "display" category, the Xiaomi 15 Ultra notably outperforms the Motorola Moto G100S (90/100 vs 66/100).
camera
In the "camera" category, the Xiaomi 15 Ultra significantly outperforms the Motorola Moto G100S (87/100 vs 33/100).
battery
In the "battery" category, the Xiaomi 15 Ultra notably outperforms the Motorola Moto G100S (80/100 vs 57/100).
portability
In the "portability" category, the Motorola Moto G100S notably outperforms the Xiaomi 15 Ultra (47/100 vs 29/100).
Which is better: the Motorola Moto G100S or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra significantly outperforms the Motorola Moto G100S by 35 points (85/100 vs 50/100).
What is the rating of the Motorola Moto G100S and the Xiaomi 15 Ultra?
The Motorola Moto G100S has a MobileRank rating of 50/100, the Xiaomi 15 Ultra — 85/100.
Which has the better camera: the Motorola Moto G100S or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra leads on camera score (87/100 vs 33/100).
Which is more powerful: the Motorola Moto G100S or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra leads on performance (92/100 vs 54/100).
Should you choose the Motorola Moto G100S over the Xiaomi 15 Ultra?
The Motorola Moto G100S is a better fit for everyday use. The Xiaomi 15 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life.