Samsung Galaxy M55 5G vs Xiaomi 15 Ultra
46.7Performance79.1
46.8Display69.1
49.8Camera73.2
52.5Battery79
70.7Features78.7
3 spec wins — Samsung Galaxy M55 5G9 spec wins — Xiaomi 15 Ultra
InnoReviews verdict
Xiaomi 15 Ultra wins this phone face-off, 75.9 to 50.9, pulling ahead mainly in performance (+32) and battery (+27). Samsung Galaxy M55 5G still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the Samsung Galaxy M55 5G
- 56% higher Front camera: 50 MP vs 32 MP
- 20% lower weight: 180 g vs 226 g
- 17% lower thickness: 7.8 mm vs 9.4 mm
Reasons to pick the Xiaomi 15 Ultra
- Stronger performance score: 79 vs 47
- Stronger display score: 69 vs 47
- Stronger camera score: 73 vs 50
- Stronger battery score: 79 vs 53
- Stronger features score: 79 vs 71
Display
| Spec | Samsung Galaxy M55 5G | Xiaomi 15 Ultra |
|---|---|---|
| Screen size | 6.7 ″ | 6.73 ″ |
| Panel type | Super AMOLED+ | LTPO AMOLED |
| Resolution | 1080x2400 | 1440x3200 |
| Pixel density | 393 ppi | 522 ppi+33% |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1,000 nits | 3,200 nits+220% |
| Screen-to-body | 86.4 % | 90 %+4% |
Performance
| Spec | Samsung Galaxy M55 5G | Xiaomi 15 Ultra |
|---|---|---|
| Chipset | Qualcomm Snapdragon 7 Gen 1 | Snapdragon 8 Elite |
| AnTuTu | — | 2,650,000 |
| Geekbench 6 (single) | — | 3,050Top 12% |
| Geekbench 6 (multi) | — | 9,600Top 11% |
| RAM (max) | 12 GB | 16 GB+33% |
| Storage options | 128/256GB | 256/512GB/1TB |
| Storage type | — | UFS 4.1 |
Camera
| Spec | Samsung Galaxy M55 5G | Xiaomi 15 Ultra |
|---|---|---|
| Main camera | 50 MP | 50 MP |
| Main aperture | f/1.8 | f/1.63 |
| Ultra-wide | 8 MP | 50 MP+525% |
| Telephoto | — | 200 MP |
| Optical zoom | — | 4.3 x |
| Max video | 4K@30fps | 8K@30fps |
| Front camera | 50 MP+56% | 32 MP |
| OIS | Yes | Yes |
Battery
| Spec | Samsung Galaxy M55 5G | Xiaomi 15 Ultra |
|---|---|---|
| Capacity | 5,000 mAh | 5,410 mAh+8% |
| Wired charging | 45 W | 90 W+100% |
| Wireless charging | — | 80 W |
| Active use endurance | — | 12 h |
Design
| Spec | Samsung Galaxy M55 5G | Xiaomi 15 Ultra |
|---|---|---|
| Weight | 180 g+20% | 226 g |
| Thickness | 7.8 mm+17% | 9.4 mm |
| IP rating | — | IP68 |
| Frame material | Plastic | Aluminum |
Connectivity
| Spec | Samsung Galaxy M55 5G | Xiaomi 15 Ultra |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 6 | Wi-Fi 7 |
| Bluetooth | 5.2 | 6.0 |
| NFC | Yes | Yes |
| USB | USB-C 2.0 | USB-C 3.2 |
| eSIM | No | Yes |
Software
| Spec | Samsung Galaxy M55 5G | Xiaomi 15 Ultra |
|---|---|---|
| OS at launch | Android 14 (One UI 6.1) | Android 15 (HyperOS 2) |
| OS update pledge | 4 years | 4 years |
Audio
| Spec | Samsung Galaxy M55 5G | Xiaomi 15 Ultra |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |
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