Samsung Galaxy S23 Ultra vs Xiaomi 15 Pro
The Verdict
Samsung Galaxy S23 Ultra delivers flagship performance with a refined 6.8-inch display at 2200 nits brightness and the Snapdragon 8 Gen 2 for Galaxy processor. Its 200MP main camera excels with advanced computational photography, though the sensor is smaller than competitors. Battery capacity of 5000 mAh supports 45W charging and 15W wireless. Storage extends to 1TB, benefiting power users with extensive media libraries. Xiaomi 15 Pro represents exceptional value at $699, offering a larger 6.73-inch display with superior 3200 nits peak brightness and more advanced Snapdragon 8 Elite chipset. Its 6100 mAh battery charges faster at 90W wired plus 50W wireless, and the 50MP 1-inch sensor captures more light despite lower megapixels. The Xiaomi includes 16GB base RAM versus Samsung's 12GB. For flagship prestige and proven optimization, the Galaxy S23 Ultra justifies its premium. However, Xiaomi 15 Pro crushes value proposition with newer processor, superior battery performance, and better display brightness at 42 percent lower price. Choose Samsung for brand consistency and camera ecosystem; choose Xiaomi for raw specs and savings.
Who Should Buy
Buy the Samsung Galaxy S23 Ultra if…
- →200 MP main camera with versatile 3x and 10x telephoto lenses
- →Built-in S Pen with Bluetooth air actions retained
- →Snapdragon 8 Gen 2 delivers class-leading performance
Buy the Xiaomi 15 Pro if…
- →Massive 6100 mAh battery easily lasts two full days
- →1-inch type main sensor captures outstanding low-light photos
- →2K LTPO display with 3200-nit brightness is class-leading
Category Scores
Pros & Cons
Samsung Galaxy S23 Ultra
Pros
- 200 MP main camera with versatile 3x and 10x telephoto lenses
- Built-in S Pen with Bluetooth air actions retained
- Snapdragon 8 Gen 2 delivers class-leading performance
- Bright 2200-nit display readable in direct sunlight
- IP68 dust and water resistance
Cons
- Very heavy at 234 g, tiring for extended use
- Thick 8.9 mm body compared to rivals
- 45W charging is slow for a $1199 flagship
- No significant camera hardware upgrade over S22 Ultra main sensor
Xiaomi 15 Pro
Pros
- Massive 6100 mAh battery easily lasts two full days
- 1-inch type main sensor captures outstanding low-light photos
- 2K LTPO display with 3200-nit brightness is class-leading
- 90W wired + 50W wireless charging is extremely fast
- Triple 50MP Leica camera system with 3x optical zoom
Cons
- Heavy at 213 g due to the large battery
- HyperOS software has ads and bloatware in some regions
- No 5x periscope — 3x telephoto is behind Samsung and Apple flagships
- Limited global market availability
Full Specifications
| Spec | Samsung Galaxy S23 Ultra | Xiaomi 15 Pro |
|---|---|---|
| Software | Android 13, One UI 5.1 | Android 15 (HyperOS 2) |
| Body | ||
| Weight | 234 g | 213 g |
| Material | Armor Aluminum frame, Gorilla Glass Victus 2 | Aluminum frame, Gorilla Glass Victus 2 |
| IP rating | IP68 | IP68 |
| Dimensions | 163.4 x 78.1 x 8.9 mm | 161.3 x 75.0 x 8.35 mm |
| Camera | ||
| Main camera | 200 MP, f/1.7, OIS | 50 MP, f/1.44, OIS (1-inch type sensor) |
| Front camera | 12 MP, f/2.2 | 32 MP, f/2.0 |
| Video | 8K@30fps, 4K@60fps | 8K@24fps, 4K@60fps |
| Telephoto | 10 MP 10x periscope + 10 MP 3x optical | 50 MP, f/2.5, 3x optical zoom, OIS |
| Ultrawide | 12 MP, f/2.2 | 50 MP, f/2.2, 115-degree |
| Memory | ||
| RAM | 12 GB | 16 GB |
| Storage options | 256 GB, 512 GB, 1 TB | 256 GB, 512 GB |
| Battery | ||
| Capacity | 5000 mAh | 6100 mAh |
| Charging | 45W wired | 90W wired |
| Wireless charging | 15W | 50W wireless |
| Display | ||
| Size | 6.8 inches | 6.73 inches |
| Type | Dynamic AMOLED 2X LTPO | LTPO AMOLED |
| Resolution | 3088 x 1440 | 3200 x 1440 |
| Refresh rate | 120Hz | 1-120Hz |
| Brightness (nits) | 2200 | 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 | 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 |
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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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