Xiaomi Poco X3 Pro (J20SI 128GB) All specs
Full specifications phone: Xiaomi Poco X3 Pro (J20SI 128GB) specs, detailed technical information, features, price and review. All about this phone.
The Xiaomi Poco X3 Pro (J20SI 128GB) is a good Android phone with 2.96GHz Octa-core processor that allows run games and heavy applications.
An advantage of the Xiaomi Poco X3 Pro (J20SI 128GB) is the possibility of using two mobile carriers, a Dual-SIM device with two SIM card slots.
Good connectivity of this device includes Bluetooth 5.0 + A2DP/LE, WiFi 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO, but it lacks NFC connection.
Including the battery, the Xiaomi Poco X3 Pro (J20SI 128GB) phone has 215 grams and it's a very thin device, only 9.4mm.
Summary
*depends on the model๐ฅ AnTuTu
483527 (v8)
๐ Android 13
TFT IPS LCD
120Hz
๐ฝ ROM: 128GB / 256GB*
๐คณ (front) 20MP
โก 33W
๐ฑ Model features | |
Xiaomi Poco X3 Pro (J20SI 128GB) | |
Model | Poco X3 Pro (J20SI 128GB) |
Other model names | POCO X3 Pro M2102J20SI (128GB+6GB RAM) |
Country or region available | ![]() India |
Brand | Xiaomi |
Release date | 3/24/2021, Announced: 3/22/2021 |
Depth | 9.4 millimeters (0.37 inches) |
Size (width x height) | 76.8 x 165.3 millimeters (3.02 x 6.51 in) |
Weight | 215 grams (7.53 ounces) |
Build, materials | Plastic body, glass front |
Protection against water and others | IP53 certified: protection against dust and splashing |
๐ฒ Display | |
Xiaomi Poco X3 Pro (J20SI 128GB) | |
Display type | TFT IPS LCD |
Screen size | 6.67" inches |
Screen-to-body ratio | ~84.6% (screen-to-body ratio) |
Display resolution | 1080x2400 pixels (20:9) |
Touchscreen | Capacitive Multitouch |
Pixel density (dot pitch) | 395 PPI |
Colors | 16 million |
Scratch-resistant glass | Gorilla Glass 6 |
Refresh rate | 120Hz |
Display features | 450nits[typ] HDR10 |
๐ค Operating System | |
Xiaomi Poco X3 Pro (J20SI 128GB) | |
System version | Android 11 |
Firmware update | Android 13 |
User Interface | MIUI 12.5 / 13 / 14 |
โ๏ธ Processor | |
Xiaomi Poco X3 Pro (J20SI 128GB) | |
Chipset | 64bit: Qualcomm Snapdragon 860 (SM8150-AC) (7nm) |
CPU | Octa-core, 3 processors: 1x 2.96GHz Kryo 485 Gold (Single-core) 3x 2.42GHz Kryo 485 Gold (Triple-core) 4x 1.78GHz Kryo 485 Silver (Quad-core) |
GPU graphical controller | Qualcomm Adreno 640 (250-672MHz) |
Performance (benchmark) | AnTuTu: 483527 (v8) Geekbench: 2574 (v5.1) GFXBench: 38fps (ES 3.1 onscreen) |
๐ฝ Memory and storage | |
Xiaomi Poco X3 Pro (J20SI 128GB) | |
RAM memory | 6GB LPDDR4X |
Internal storage | 128GB (106GB available) UFS 3.1 |
External storage | Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) |
๐ถ Mobile networks | |
Xiaomi Poco X3 Pro (J20SI 128GB) | |
Dual-SIM | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) |
SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) |
Maximum Download / Upload | 800/150 Mbps |
Network technology | 2G, 3G, 4G |
Frequency, bands | Expand band details Collapse details |
GSM MHz band | Quad-Band 850/900/1800/1900 |
Primary 2G network | GSM 850/900/1800/1900 |
Primary 3G network | UMTS 850/900/1700/1900/2100 |
Primary 4G network | LTE Cat15/13 (1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) |
Primary 5G network | Not supported |
Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
Secondary 2G network | GSM 850/900/1800/1900 |
Secondary 3G network | UMTS 850/900/1700/1900/2100 |
Secondary 4G network | LTE Cat15/13 (1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) |
Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
๐ท Camera | |
Xiaomi Poco X3 Pro (J20SI 128GB) | |
Back camera (main camera) | (quad camera) 48 megapixels 8MP ultrawide f/2.2119ยฐ1.0ยตm 2MP macro f/2.4 2MP depth f/2.4 |
Main camera resolution | 8000x6000 pixels |
Video recording (primary) | 4K UHD (3840x2160) 30 fps |
Flash | Dual-LED flash |
Focal aperture | f/1.8 (aperture) |
Focal length | feature not registered |
Sensor size | 1/2" inches |
Pixel size | 0.8ยตm pixel |
Autofocus | PDAF: phase detection autofocus |
Touch focus | Supported |
Image stabilization | EIS: Digital stabilization |
Zoom | Only digital zoom |
Face/smile detection | Face detection, Smile detection |
BSI sensor | Not supported |
HDR | HDR photo on both cameras |
Camera extras | 1080p@960fps |
๐ธ Front camera | |
Xiaomi Poco X3 Pro (J20SI 128GB) | |
Front camera (secondary) | 20 megapixels |
Front camera resolution | 5184x3840 pixels |
Video recording (secondary) | Full HD (1920x1080) |
Front flash | Not supported |
Focal aperture | f/2.2 (aperture) |
Focal length | feature not registered |
Sensor size | 1/3.4" inches |
Pixel size | 0.8ยตm pixel |
๐ Sound and multimedia | |
Xiaomi Poco X3 Pro (J20SI 128GB) | |
Loudspeaker | Stereo sound with dual speakers |
Active noise cancellation | 2 microphones or more |
Radio | FM |
TV | Not supported |
Video formats | MP4, H.265, H.264, H.263, XviD, MKV |
Audio formats | MP3, WAV, WMA, eAAC+, FLAC |
๐ Connectivity | |
Xiaomi Poco X3 Pro (J20SI 128GB) | |
USB | USB 2.0 Type-C, USB OTG On-The-Go |
Audio output | 3.5mm jack |
TV output | USB Type-C (reversible) |
Bluetooth | 5.0 + A2DP/LE |
WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
DLNA | Not supported |
GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
NFC | Not supported |
Infrared port | Supported |
๐งญ Sensors | |
Xiaomi Poco X3 Pro (J20SI 128GB) | |
Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Proximity sensor |
Vibrating alert | Supported |
๐ Battery | |
Xiaomi Poco X3 Pro (J20SI 128GB) | |
Battery type | LiPo: li-ion polymer (Non removable) |
Battery capacity | 5160 mAh |
Charger, watts | 33W Wired fast charging |
Inductive / wireless charging | Not supported |
Talk time autonomy | feature not registered |
Standby | feature not registered |
โ Other features | |
Xiaomi Poco X3 Pro (J20SI 128GB) | |
Call control | Voice dialing, Voice recorder, Voice commands |
Messaging | SMS (T9), MMS, E-mail, Push mail |
Hands-free calling | Supported |
Video calling | Supported |
Ringtones | Polyphonic and customized |
Web browser | HTML, XHTML, HTML5 |
Antenna | Internal antenna |
Qwerty physical keyboard | Not supported |
Miscellaneous | โข Colors: Phantom Black, Frost Blue, Metal Bronze โข Silicone Case included โข Cooling up to 6 ยฐC โข LiquidCool 1.0 Plus |
โข๏ธ Radiation rate | |
Xiaomi Poco X3 Pro (J20SI 128GB) | |
SAR 1.6W/kg (USA, Mexico, etc.) | 0.99W/kg (head), 0.67W/kg (body) |
SAR 2W/kg (Europe, UK, etc.) | 0.57W/kg (head), 0.9W/kg (body) |
Xiaomi Poco X3 Pro versions (variations) with different specifications






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