POCO X2 vs Xiaomi 15 Ultra
| Type | Touch | Touch |
| Waterproofness & dust-resistance |  | IP68 |
| Dimensions | 165.30 x 76.60 x 8.79 mm | 161.30 x 75.30 x 9.48 mm |
| Weight | 208.00 g | 229.00 g |
| Display size | 6.67" | 6.73" |
| Display | Color / IPS TFT 16M colors 120 Hz 1080 x 2400 px (6.67") 395 ppi | Color / LTPO AMOLED 68,7G colors 120 Hz 1440 x 3200 px (6.73") 521 ppi |
| Display protection | Corning Gorilla Glass Buy screen protector
 |  |
| Additional display |  | |
| Protection of the secondary display | | |
| Standard battery | Li-Po 4500 mAhBuy powerbank
| Si-Car 5410 mAhBuy powerbank
|
| Quick battery charging | Quick Charge | |
| Wireless battery charging | | |
| Internal memory | 64 GB, 128 GB, 256 GB | 256 GB, 512 GB, 1000 GB |
| RAM memory | 6 GB, 8 GB | 12 GB, 16 GB |
| Memory cards | microSD, microSDHC, microSDXC up to 512 GBBuy memory card | |
| Operating system | Android 10 | Android 15 |
| Interface | MIUI 11 | HyperOS 2.0 |
| Processor | Qualcomm Snapdragon 730G | Qualcomm Snapdragon 8 Elite SM8750-AB |
| Processor clock | 2200 MHz | 4320 MHz |
| GPU | Adreno 618 | Adreno 830 |
| Touchscreen | | |
| SAR (10g) | 1,08 W/kg | 0,998 W/kg |
| DualSIM | | |
| SIM cards standard | DualSIM(nanoSIM, nanoSIM) | DualSIM(nanoSIM, nanoSIM) |
| DualSIM mode | dual standby | dual standby |
| Hybrid DualSIM | nanoSIM, microSD | |
| Announced | 1Q 2020 | 1Q 2025 |
| Other names | MZB8741IN | - |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 850 900 1900 2100 | 850 900 1900 2100 |
| LTE standard | FDD LTE: 2100, 1800, 900, 850 TDD LTE: 2500, 2300 | FDD LTE: 2100, 1800, 1700, 900, 850, 700 TDD LTE: 3500, 2600, 2500, 2300, 2000, 1900 |
| Standard 5G | | FDD 5G: 2100, 1800, 1700, 900, 850, 700 TDD 5G: 3700, 3500, 2600, 2500, 2300 |
| CDMA | 850 | |
| Standard TD-SCDMA | 1900 2000 | |
| UMA | | |
CAMERAS - BACK
| First camera | | |
| Camera type | | Standard |
| Photo sensor model | Sony IMX686 | Sony LYT900 |
| Photo matrix | 64 Mpx | 50 Mpx |
| Sensor size | | 1/0,98 |
| Pixel size | | 1,6 µm |
| Resolution | 9248x6944 px | |
| Optical zoom | | |
| Digital zoom | 10x | |
| Focal length | | 23 mm |
| Flash | 2x LED | LED |
| Dual-colour LED flash | | |
| Video resolution | 3840x2160 px | 7680x4320 px |
| Video formats | H.263, H.264, H.265, MPEG4 - 30 fps | H.264, H.265, MPEG4 - 30 fps |
| Additional | AF, f/1.89 | AF, Laser AF, OIS, f/1.63 |
| Second camera | | |
| Camera type | | Wide-angle |
| Photo sensor model | | Samsung S5KJN5 |
| Photo matrix | 8 Mpx | 50 Mpx |
| Sensor size | | 1/2,75 |
| Pixel size | | 0,64 µm |
| Resolution | | 8192x6144 px |
| Optical zoom | | |
| Field of view | | 115 ° |
| Focal length | | 14 mm |
| Flash | 2x LED | LED |
| Dual-colour LED flash | | |
| Video formats | H.263, H.264, H.265, MPEG4 - 30 fps | |
| Additional | FF, f/2.2 | AF, Laser AF, f/2.2 |
| Third camera | | |
| Camera type | | Telephoto |
| Photo sensor model | | Samsung S5KHP9 |
| Photo matrix | 2 Mpx | 200 Mpx |
| Sensor size | | 1/1,4 |
| Optical zoom | | |
| Lossless zoom | | 4,3x |
| Focal length | | 100 mm |
| Flash | 2x LED | LED |
| Dual-colour LED flash | | |
| Video formats | H.263, H.264, H.265, MPEG4 - 30 fps | |
| Additional | AF, f/2.4 | AF, Laser AF, OIS, f/2.6 |
| Fourth camera | | |
| Camera type | | Portrait |
| Photo sensor model | | Sony IMX858 |
| Photo matrix | 2 Mpx | 50 Mpx |
| Sensor size | | 1/2,51 |
| Pixel size | | 0,64 µm |
| Optical zoom | | |
| Lossless zoom | | 3x |
| Focal length | | 70 mm |
| Flash | 2x LED | LED |
| Dual-colour LED flash | | |
| Video formats | H.263, H.264, H.265, MPEG4 - 30 fps | |
| Additional | FF, f/2.4 | AF, Laser AF, OIS, f/1.8 |
CAMERAS - FRONT
| First camera | | |
| Camera type | | Portrait |
| Photo sensor model | | OmniVision OV32B |
| Photo matrix | 20 Mpx | 32 Mpx |
| Sensor size | | 1/3 |
| Pixel size | | 0,702 µm |
| Resolution | | 6528x4896 px |
| Optical zoom | | |
| Flash | | |
| Dual-colour LED flash | | |
| Video resolution | 1920x1080 px | 3840x2160 px |
| Video formats | H.263, H.264, H.265, MPEG4 - 30 fps | |
| Additional | FF | FF, f/2.0 |
| Second camera | | |
| Photo matrix | 2 Mpx | nd |
| Optical zoom | | nd |
| Flash | | nd |
| Dual-colour LED flash | | nd |
| Video formats | H.263, H.264, H.265, MPEG4 - 30 fps | nd |
| Additional | FF | nd |
SENSORS
| Accelerometer | | |
| Proximity | | |
| Light | | |
| Magnetometer | | |
| Gyroscope | | |
| Barometer | | |
| Altimeter | | |
| Gravity | | |
| Hall-effect | | |
| Iris scanner | | |
| Fingerprint scanner | | |
| Thermometer | | |
| Hygrometer | | |
Data transfer
| xHTML | | |
| WAP | v2.0 | v2.0 |
| HSCSD | | |
| HSDPA | 42.20 Mbit/s | 42.20 Mbit/s |
| HSUPA | 5.76 Mbit/s | 11.52 Mbit/s |
| HSPA | | |
| HSPA+ | | |
| LTE DL | 750.00 Mbit/s | |
| LTE UP | - | |
| WIMAX+ | | |
| GPRS | | |
| EDGE | | |
| Bluetooth | v5.0 | v6.0 |
| A2DP Profile | | |
| HDMI | | |
| WiFi | v802.11 a/b/g/n/ac | v802.11 a/b/g/n/ac/ax/be |
| WiFi frequencies | 2,4 GHz; 5 GHz | 2,4 GHz; 5 GHz; 6 GHz |
| WiFi Direct | | |
| WiFi Display | | |
| DLNA | | |
| Miracast | | |
| WiFi hotspot | | |
| IrDA | | |
| USB | v2.0 Type-C | v3.2 Type-C |
| GPS | | |
| A-GPS | | |
| GLONASS | | |
| Beidou | | |
| Galileo | | |
| QZSS | | |
| NFC | | |
COMMUNICATION AND MESSAGING
| Call waiting | | |
| Conferency | | |
| Call forwarding | | |
| Push To Talk | | |
| Instant Messenger | | |
| SMS | | |
| EMS | | |
| MMS | | |
| Dictionary | T9 | T9 |
| Swype | | |
| e-mail client | POP3, IMAP4, SMTP | POP3, IMAP4, SMTP |
| Hardware QWERTY keyboard | | |
| RSS Reader | | |
Multimedia
| Radio | | |
| MP3 | | |
| Stereo speakers | | 2 |
| Audio Jack | 3.5 mm | |
| HD Voice | | |
| Sound formats | AAC, AAC+, AMR, FLAC, MKA, WAV, eAAC+ | AAC, AAC+, AMR, APE, FLAC, MID, MKA, OGG, WAV, eAAC+ |
| Polyphony | | |
| Video ringtone | | |
| Ring composer | | |
| Games | | |
| Java | ART | ART |
| Videophone | | |
| DVB-H television | | |
| TV-Out | | |
PIM AND ADDITIONAL FUNCTIONS
| Watch | | |
| Stopwatch | | |
| Alarm | | |
| Calculator | | |
| Currency converter | | |
| Organizer | | |
| Calendar | | |
| Flight mode | | |
| SyncML | | |
| Data and fax | | |
| Screensaver | | |
| Themes | | |
| Interchangeable covers | | |
| Voice dial | | |
| Speakerphone | | |
| Recorder | | |
| Vibrations | | |