Samsung Galaxy A55 vs Xiaomi 15 Ultra
The Verdict
Samsung Galaxy A55 delivers solid mid-range performance with a 6.6-inch Super AMOLED display running at 120Hz and 1000 nits brightness, paired with the Exynos 1480 chipset and 5000 mAh battery supporting 25W charging. Its camera system features a capable 50 MP main sensor with OIS and 4K video recording at 30fps. Xiaomi 15 Ultra operates in a completely different tier at nearly 2.2x the price, featuring a flagship Snapdragon 8 Elite processor, superior 3200 x 1440 LTPO display with 3200 nits peak brightness, and a genuinely exceptional camera setup including a 1-inch 50 MP main sensor, 200 MP periscope telephoto with 5x optical zoom, and 8K video capability. The Ultra also includes 90W wired plus 50W wireless charging into a larger 5810 mAh battery, 16 GB RAM standard, and IP68 rating versus the A55's IP67. For budget-conscious buyers seeking reliable daily performance and solid imaging, the Galaxy A55 punches above its weight at $449.99. However, serious mobile photography enthusiasts and power users justifying the investment will find the Xiaomi 15 Ultra's specifications objectively superior across display technology, processing power, camera versatility, and charging speed. These products address completely different market segments with no meaningful overlap.
Who Should Buy
Buy the Samsung Galaxy A55 if…
- →Premium aluminum and Gorilla Glass build
- →Vibrant 120Hz Super AMOLED display
- →Large 5000 mAh battery with great endurance
Buy the Xiaomi 15 Ultra if…
- →200MP periscope telephoto with 5x optical zoom rivals Galaxy S25 Ultra
- →1-inch main sensor with Leica optics produces stunning photos
- →Titanium frame gives a premium, durable build
Category Scores
Pros & Cons
Samsung Galaxy A55
Pros
- Premium aluminum and Gorilla Glass build
- Vibrant 120Hz Super AMOLED display
- Large 5000 mAh battery with great endurance
- Four years of OS upgrades and five years of security
- IP67 water and dust resistance
Cons
- Exynos 1480 lags behind Snapdragon rivals
- Heavy at 213 g
- No dedicated telephoto camera
- Only 25W charging with no charger included
Xiaomi 15 Ultra
Pros
- 200MP periscope telephoto with 5x optical zoom rivals Galaxy S25 Ultra
- 1-inch main sensor with Leica optics produces stunning photos
- Titanium frame gives a premium, durable build
- 4K@120fps video recording is industry-leading
- 90W fast charging and 50W wireless on a huge 5810 mAh battery
Cons
- Heavy at 229 g and thick at 9.17 mm
- Very expensive at $999 with limited global availability
- HyperOS software experience lags behind iOS and One UI
- Camera bump is extremely large
Full Specifications
| Spec | Samsung Galaxy A55 | Xiaomi 15 Ultra |
|---|---|---|
| Software | Android 14, One UI 6.1 | Android 15 (HyperOS 2) |
| Body | ||
| Weight | 213 g | 229 g |
| Material | Aluminum frame, Gorilla Glass Victus+ | Titanium frame, Gorilla Glass Victus 2 |
| IP rating | IP67 | IP68 |
| Dimensions | 161.1 x 77.4 x 8.2 mm | 161.1 x 75.2 x 9.17 mm |
| Camera | ||
| Main camera | 50 MP, f/1.8, OIS | 50 MP, f/1.63, OIS (1-inch sensor) |
| Front camera | 32 MP, f/2.2 | 32 MP, f/2.0 |
| Video | 4K@30fps | 8K@30fps, 4K@120fps |
| Telephoto | 5 MP macro | 200 MP, f/2.6, 5x periscope optical zoom, OIS |
| Ultrawide | 12 MP, f/2.2 | 50 MP, f/2.0, 128-degree |
| Memory | ||
| RAM | 8 GB | 16 GB |
| Storage options | 128 GB, 256 GB | 256 GB, 512 GB, 1 TB |
| Battery | ||
| Capacity | 5000 mAh | 5810 mAh |
| Charging | 25W wired | 90W wired |
| Wireless charging | — | 50W wireless |
| Display | ||
| Size | 6.6 inches | 6.73 inches |
| Type | Super AMOLED | LTPO AMOLED |
| Resolution | 2340 x 1080 | 3200 x 1440 |
| Refresh rate | 120Hz | 1-120Hz |
| Brightness (nits) | 1000 | 3200 |
| Processor | ||
| CPU | Octa-core (4x2.75 GHz + 4x2.0 GHz) | Octa-core (2x4.32 GHz + 6x3.53 GHz) |
| GPU | Xclipse 530 | Adreno 830 |
| Chipset | Exynos 1480 | Qualcomm Snapdragon 8 Elite |
| Connectivity | ||
| 5G | ||
| NFC | ||
| USB | USB-C 2.0 | USB-C 3.2 |
| Wi-Fi | Wi-Fi 6 | Wi-Fi 7 |
| Bluetooth | 5.3 | 5.4 |
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This comparison is based on verified manufacturer specifications covering display, performance, camera, battery, and build quality. Scores are generated by analyzing specs across weighted categories on a 10-point scale. Learn more about our methodology.
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