The Xiaomi 15 Ultra and OnePlus 13 share flagship hardware, including the Snapdragon 8 Elite processor, but differ in display, camera, storage, battery, charging, and connectivity specifications. These differences affect photography, gaming, multitasking and everyday use.
General
The Xiaomi 15 Ultra is a 5G dual-SIM flagship with 16GB RAM and 512GB storage, while OnePlus 13 offers three memory configurations and dual nano-SIM support.
| Spec | Xiaomi 15 Ultra | OnePlus 13 |
| Model | Xiaomi 15 Ultra | OnePlus 13 |
| Manufacturer | Xiaomi | OPPO Mobiles India Private Limited |
| SIM | Dual SIM, nano SIM + nano SIM or nano SIM + eSIM | Dual nano-SIM |
| Network support | 5G, 4G | 5G, 4G |
| Dimensions | 161.3 x 75.3 x 9.48 mm | 162.9 x 76.5 x 8.5–8.9 mm |
| Weight | 229 g | 210–213 g |
| Warranty | Standard manufacturer warranty | Standard manufacturer warranty |
Display and design
The Xiaomi 15 Ultra has a 6.73-inch WQHD+ AMOLED display, while OnePlus 13 has a 6.82-inch QHD+ LTPO display; both adjust between 1Hz and 120Hz.
| Spec | Xiaomi 15 Ultra | OnePlus 13 |
| Display size | 6.73-inch | 6.82-inch |
| Display type | WQHD+ AMOLED Quad Curve | QHD+ LTPO 4.1 AMOLED |
| Resolution | 3200 x 1440 pixel | 3168 x 1440 pixel |
| Refresh rate | 1–120Hz | 1–120Hz |
| Touch sampling rate | Up to 300Hz | Not specified |
| Peak brightness | 3,200 nits | 4,500 nits |
| Display protection | Xiaomi Shield Glass 2.0 | Ceramic Guard |
| HDR | HDR10+, Dolby Vision | HDR10+, HDR Vivid, Dolby Vision |
| Fingerprint sensor | Ultrasonic in-screen | Ultrasonic |
| Water and dust resistance | IP68 | IP69 and IP68 |
➜ Pro tip: OnePlus 13 has the higher stated peak brightness at 4,500 nits, while Xiaomi offers the higher 3200 x 1440 pixel resolution.
Performance and software
Both phones use the Snapdragon 8 Elite manufactured on a 3nm process, but OnePlus offers more RAM and storage configurations for different usage needs.
| Spec | Xiaomi 15 Ultra | OnePlus 13 |
| Processor | Snapdragon 8 Elite, up to 4.32GHz | Snapdragon 8 Elite, up to 4.32GHz |
| Processor core | 8-core Oryon CPU | 8-core Oryon CPU |
| GPU | Adreno GPU | Adreno 830 |
| Manufacturing process | 3nm | 3nm |
| RAM | 16GB LPDDR5X | 12GB / 16GB / 24GB LPDDR5X |
| RAM type | LPDDR5X | LPDDR5X |
| Operating system | Android | Android 15 |
| User interface | HyperOS 2 | OxygenOS 15 |
| Storage type | UFS 4.1 | UFS 4.0 |
➜ Keep in mind: Both use the same flagship processor, so your choice here mainly depends on the available RAM and storage configuration.
Camera features
The Xiaomi 15 Ultra uses a four-camera Leica system with a 200MP ultra-telephoto camera, while OnePlus 13 uses three 50MP cameras with Hasselblad features.
| Spec | Xiaomi 15 Ultra | OnePlus 13 |
| Rear camera setup | 50MP + 200MP + 50MP + 50MP | 50MP + 50MP + 50MP |
| Main camera | 50MP, Sony LYT-900, OIS, f/1.63 | 50MP, Sony LYT-808, OIS, f/1.6 |
| Ultra-wide camera | 50MP, 115° | 50MP, 120° |
| Macro camera | Super macro mode | Not separately specified |
| Front camera | 32MP | 32MP |
| Rear video recording | Up to 8K at 30 fps | Up to 8K at 30 fps |
| Front video recording | Up to 4K at 60 fps | Up to 4K at 60 fps |
➜ Buy this if: Choose the Xiaomi 15 Ultra if you frequently photograph distant subjects and want multiple dedicated telephoto focal lengths.
Storage and connectivity
The Xiaomi 15 Ultra comes with 512GB storage, while OnePlus 13 offers 256GB, 512GB and 1TB options without expandable storage.
| Spec | Xiaomi 15 Ultra | OnePlus 13 |
| Storage options | 512GB | 256GB / 512GB / 1TB |
| Expandable storage | No | No |
| Wi-Fi | Wi-Fi 6 | Wi-Fi 7 |
| Bluetooth | Bluetooth 6.0 | Bluetooth 5.4 |
| GPS | GPS, Galileo, GLONASS, BeiDou, NavIC | GPS, GLONASS, BDS, Galileo, QZSS, NavIC |
| NFC | Yes | Yes |
| USB | USB Type-C | USB 3.2 Gen 1 Type-C |
| 3.5mm headphone jack | No | No |
| IR blaster | Not verified | Yes |
➜ Pro tip: If you store large games and many videos, the OnePlus 13 1TB option gives you twice the storage of the Xiaomi 15 Ultra's 512GB configuration.
Battery and other features
The OnePlus 13 has a larger 6,000 mAh battery and 100 W wired charging, while Xiaomi 15 Ultra combines 5,410 mAh with 90 W wired and 80 W wireless charging.
| Spec | Xiaomi 15 Ultra | OnePlus 13 |
| Battery capacity | 5,410 mAh | 6,000 mAh |
| Wired charging | 90 W | 100 W |
| Wireless charging | 80 W | 50 W |
| Reverse charging | Not verified | Not verified |
| Stereo speakers | Yes | Yes |
| Dolby Atmos | Yes | Yes |
| Security | Ultrasonic fingerprint, AI face unlock | Ultrasonic fingerprint |
| Water and dust protection | IP68 | IP69 and IP68 |
➜ Keep in mind: OnePlus 13 offers a larger battery and faster wired charging, while Xiaomi 15 Ultra offers faster wireless charging.