Samsung Galaxy A15 vs Xiaomi 15 Ultra
The Verdict
Samsung Galaxy A15 delivers solid budget performance at $199.99 with a 6.5-inch Super AMOLED display hitting 800 nits and 90Hz refresh rates. Its 50MP main camera with f/1.8 aperture handles daylight shooting competently, though 1080p video caps its capabilities. The 5000mAh battery charges at 25W, and the MediaTek Helio G99 handles everyday tasks smoothly with 4GB RAM. Build quality feels premium with polycarbonate construction and IP54 dust/water resistance. Xiaomi 15 Ultra, at $999, operates in an entirely different tier featuring a flagship Snapdragon 8 Elite processor, 16GB RAM, and 3200-nit peak brightness on a 6.73-inch LTPO AMOLED panel with 1-120Hz adaptive refresh. The camera system is exceptional: 1-inch 50MP main sensor with OIS, 200MP 5x periscope telephoto, and 8K video recording capabilities dwarf the Galaxy A15's offerings. Wireless and wired charging reach 50W and 90W respectively. IP68 waterproofing, titanium frame, and Gorilla Glass Victus 2 provide superior durability. For budget-conscious buyers needing reliable daily performance, the Galaxy A15 is unbeatable value. Those prioritizing professional-grade photography, gaming performance, and cutting-edge features should invest in the Xiaomi 15 Ultra. No genuine comparison exists between these phones; they serve completely different market segments.
Who Should Buy
Buy the Samsung Galaxy A15 if…
- →Super AMOLED display at an entry-level price
- →Capable Helio G99 for everyday gaming and tasks
- →Large 5000 mAh battery provides excellent 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 A15
Pros
- Super AMOLED display at an entry-level price
- Capable Helio G99 for everyday gaming and tasks
- Large 5000 mAh battery provides excellent endurance
- Ships with Android 14 and four years of security patches
- Expandable storage via microSD
Cons
- No 5G or NFC
- Only 4 GB RAM can feel cramped multitasking
- 90Hz instead of 120Hz like the A25
- No 4K video recording
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 A15 | Xiaomi 15 Ultra |
|---|---|---|
| Software | Android 14, One UI 6 | Android 15 (HyperOS 2) |
| Body | ||
| Weight | 200 g | 229 g |
| Material | Polycarbonate | Titanium frame, Gorilla Glass Victus 2 |
| IP rating | IP54 | IP68 |
| Dimensions | 160.1 x 76.8 x 8.4 mm | 161.1 x 75.2 x 9.17 mm |
| Camera | ||
| Main camera | 50 MP, f/1.8 | 50 MP, f/1.63, OIS (1-inch sensor) |
| Front camera | 13 MP, f/2.0 | 32 MP, f/2.0 |
| Video | 1080p@30fps | 8K@30fps, 4K@120fps |
| Telephoto | 2 MP macro | 200 MP, f/2.6, 5x periscope optical zoom, OIS |
| Ultrawide | 5 MP, f/2.2 | 50 MP, f/2.0, 128-degree |
| Memory | ||
| RAM | 4 GB | 16 GB |
| Storage options | 128 GB | 256 GB, 512 GB, 1 TB |
| Battery | ||
| Capacity | 5000 mAh | 5810 mAh |
| Charging | 25W wired | 90W wired |
| Wireless charging | — | 50W wireless |
| Display | ||
| Size | 6.5 inches | 6.73 inches |
| Type | Super AMOLED | LTPO AMOLED |
| Resolution | 2340 x 1080 | 3200 x 1440 |
| Refresh rate | 90Hz | 1-120Hz |
| Brightness (nits) | 800 | 3200 |
| Processor | ||
| CPU | Octa-core (2x2.2 GHz + 6x2.0 GHz) | Octa-core (2x4.32 GHz + 6x3.53 GHz) |
| GPU | Mali-G57 MC2 | Adreno 830 |
| Chipset | MediaTek Helio G99 | Qualcomm Snapdragon 8 Elite |
| Connectivity | ||
| 5G | ||
| NFC | ||
| USB | USB-C 2.0 | USB-C 3.2 |
| Wi-Fi | Wi-Fi 5 | 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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