Samsung Galaxy M55s 5G vs Xiaomi 16 Ultra
Compare Samsung Galaxy M55s 5G vs Xiaomi 16 Ultra side by side: Qualcomm Snapdragon 7 Gen 1 vs Qualcomm Snapdragon 8 Elite Gen 2, 50MP vs 50MP camera, 5000mAh…

Samsung
Galaxy M55s 5G
$249
4categories won

Xiaomi
16 Ultra
$1,299
15categories won
2 categories tied · 21 scored in total · add a third phone
Which one wins?
Xiaomi 16 Ultra takes the overall win
The Xiaomi 16 Ultra proves superior overall against the Samsung Galaxy M55s 5G, outperforming on gaming and photography. In camera testing, the 16 Ultra leads with superior optics, while battery endurance leans towards the 16 Ultra. Choose the 16 Ultra if you want the highest performance ceiling, or opt for the Galaxy M55s 5G if its lower retail price better fit your budget.
16 Ultra takes battery honors offering 6,200 mAh alongside 120W charging.
16 Ultra provides greater sustained gaming output with its Qualcomm Snapdragon 8 Elite Gen 2 and 24GB RAM.
16 Ultra takes photography with 50MP optics and 3.2x optical telephoto capabilities.
Galaxy M55s 5G provides a sharper value proposition, coming in at $249 vs $1299.
Category verdicts are computed algorithmically from verified technical specifications and hardware benchmarks. Rows where neither figure is objectively better — screen size preference, operating system choice, aesthetic build materials — are displayed for direct reference without scoring bias.
Galaxy M55s 5G vs 16 Ultra: specifications compared
Display
| Specification | Galaxy M55s 5G | 16 Ultra |
|---|---|---|
| Screen size | 6.7" | 6.73" |
| Resolution | 1080 x 2400 | 1440 x 3200Winner |
| Pixel density | 393 ppi | 521 ppiWinner |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1000 nits | 3600 nitsWinner |
Performance
| Specification | Galaxy M55s 5G | 16 Ultra |
|---|---|---|
| Chipset | Qualcomm Snapdragon 7 Gen 1 | Qualcomm Snapdragon 8 Elite Gen 2 |
| Process node | 4 nm | 2 nmWinner |
| AnTuTu score | 590,000 | 3,200,000Winner |
| Geekbench multi | 2850 | 10800Winner |
| Maximum RAM | 8 GB | 24 GBWinner |
| Maximum storage | 256GB | 2TBWinner |
Camera
| Specification | Galaxy M55s 5G | 16 Ultra |
|---|---|---|
| Main sensor | 50 MP | 50 MP |
| Rear cameras | 3 | 4Winner |
| Optical zoom | — | 3.2x |
| Ultrawide | 8 MP | 50 MPWinner |
| Selfie camera | 50 MPWinner | 32 MP |
| Max video | 4K@30fps, 1080p@60fps | 8K at 30fps / 4K at 120fps |
Battery and charging
| Specification | Galaxy M55s 5G | 16 Ultra |
|---|---|---|
| Capacity | 5,000 mAh | 6,200 mAhWinner |
| Wired charging | 45 W | 120 WWinner |
| Wireless charging | No | 80 WWinner |
Design
| Specification | Galaxy M55s 5G | 16 Ultra |
|---|---|---|
| Weight | 180 gWinner | 226 g |
| Thickness | 7.8 mmWinner | 9.2 mm |
| Water resistance | IP67 | IP68 |
| Build | Sleek polycarbonate frame with fusion patterned back, glass front | Grade 5 Titanium frame, Ceramic Glass front and back |
Software and support
| Specification | Galaxy M55s 5G | 16 Ultra |
|---|---|---|
| Operating system | Android 14 | Android 17 |
| OS updates | 4 years | 7 yearsWinner |
| Security updates | 5 years | 7 yearsWinner |
Connectivity and value
| Specification | Galaxy M55s 5G | 16 Ultra |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 6 (802.11ax) | Wi-Fi 7 (802.11be, tri-band 2.4/5/6GHz, 320MHz bandwidth) |
| Storage expansion | microSD | None |
| 3.5mm jack | No | No |
| Launch price | $249Winner | $1,299 |
Samsung Galaxy M55s 5G
The Galaxy M55s 5G is a sleek mid-ranger from Samsung featuring a slim 7.8mm chassis, vibrant 120Hz Super AMOLED+ display, Snapdragon 7 Gen 1 4nm processor, 50MP OIS rear camera, and a high-resolution 50MP selfie shooter with 45W wired fast charging.
- Display
- 6.7"
- Chipset
- Qualcomm Snapdragon 7 Gen 1
- Main camera
- 50MP
- Battery
- 5,000mAh
Xiaomi 16 Ultra
Equipped with a second-gen 1-inch LOFIC sensor with 15EV dynamic range, stepless physical f/1.6–f/4.0 aperture, a mammoth 200MP 1/1.4" periscope telephoto, 120W wired and 80W wireless charging, and 6,200 mAh capacity, the 16 Ultra is a DSLR in your pocket.
- Display
- 6.73"
- Chipset
- Qualcomm Snapdragon 8 Elite Gen 2
- Main camera
- 50MP
- Battery
- 6,200mAh