Samsung Galaxy S23+ vs Xiaomi 15 Ultra
The Verdict
Both flagship phones deliver exceptional performance at the $999 price point, but they serve different priorities. Samsung Galaxy S23+ features a refined 6.6-inch Dynamic AMOLED display with 1750 nits brightness and Snapdragon 8 Gen 2, offering a polished Android experience with One UI 5.1. Its camera system excels in versatility with balanced lenses and excellent 8K video at 30fps. Xiaomi 15 Ultra impresses with superior specifications across nearly every metric: larger 6.73-inch QHD LTPO display reaching 3200 nits, newer Snapdragon 8 Elite processor, 16GB RAM standard, superior 90W wired and 50W wireless charging, and a remarkable 200MP periscope telephoto lens. However, the Xiaomi weighs 229g versus 195g, and its HyperOS software ecosystem may lack familiarity for Western users. For performance enthusiasts and camera specialists wanting cutting-edge specs, Xiaomi 15 Ultra edges ahead. Samsung Galaxy S23+ suits those prioritizing software polish, lighter design, and ecosystem reliability.
Who Should Buy
Buy the Samsung Galaxy S23+ if…
- →Snapdragon 8 Gen 2 for Galaxy delivers top-tier performance
- →Bright 1750-nit display is excellent in direct sunlight
- →4700 mAh battery provides strong all-day 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 S23+
Pros
- Snapdragon 8 Gen 2 for Galaxy delivers top-tier performance
- Bright 1750-nit display is excellent in direct sunlight
- 4700 mAh battery provides strong all-day endurance
- Four years of OS updates and five years of security patches
- Versatile triple camera with 3x optical zoom
Cons
- Only 8 GB RAM at the $999 price point
- FHD+ resolution instead of QHD+ on the 6.6-inch display
- 45W charging is slower than Chinese competitors
- No expandable storage or microSD slot
- Design is very similar to S22+ with minimal visual changes
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 S23+ | Xiaomi 15 Ultra |
|---|---|---|
| Software | Android 13 (One UI 5.1) | Android 15 (HyperOS 2) |
| Body | ||
| Weight | 195 g | 229 g |
| Material | Armor Aluminum frame, Gorilla Glass Victus 2 | Titanium frame, Gorilla Glass Victus 2 |
| IP rating | IP68 | IP68 |
| Dimensions | 157.8 x 76.2 x 7.6 mm | 161.1 x 75.2 x 9.17 mm |
| Camera | ||
| Main camera | 50 MP, f/1.8, Dual Pixel PDAF, OIS | 50 MP, f/1.63, OIS (1-inch sensor) |
| Front camera | 12 MP, f/2.2 | 32 MP, f/2.0 |
| Video | 8K@30fps, 4K@60fps | 8K@30fps, 4K@120fps |
| Telephoto | 10 MP, f/2.4, 3x optical zoom, OIS | 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 | 256 GB, 512 GB | 256 GB, 512 GB, 1 TB |
| Battery | ||
| Capacity | 4700 mAh | 5810 mAh |
| Charging | 45W wired | 90W wired |
| Wireless charging | 15W, Wireless PowerShare | 50W wireless |
| Display | ||
| Size | 6.6 inches | 6.73 inches |
| Type | Dynamic AMOLED 2X | LTPO AMOLED |
| Resolution | 2340 x 1080 | 3200 x 1440 |
| Refresh rate | 120Hz | 1-120Hz |
| Brightness (nits) | 1750 | 3200 |
| Processor | ||
| CPU | Octa-core (1x3.36 GHz + 2x2.8 GHz + 2x2.8 GHz + 3x2.0 GHz) | Octa-core (2x4.32 GHz + 6x3.53 GHz) |
| GPU | Adreno 740 | Adreno 830 |
| Chipset | Qualcomm Snapdragon 8 Gen 2 for Galaxy | Qualcomm Snapdragon 8 Elite |
| Connectivity | ||
| 5G | ||
| NFC | ||
| USB | USB-C 3.2 | USB-C 3.2 |
| Wi-Fi | Wi-Fi 6E | Wi-Fi 7 |
| Bluetooth | 5.3 | 5.4 |
Related Comparisons
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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