Xiaomi Poco X3 Pro (J20SI 128GB) vs Xiaomi Redmi Note 9 Pro (128GB)
Side by side comparison between Xiaomi Poco X3 Pro vs Xiaomi Redmi Note 9 Pro phones, differences, pros, cons and full specifications. What's the better?
,
6.67"
IPS
IPS
1080x2400
48
MP
MP
20mp
6GB
RAM
RAM
Octa-core
5160
mAh
mAh
(Non removable)
vs
6.67"
IPS
IPS
1080x2400
64
MP
MP
16mp
6GB
RAM
RAM
Octa-core
5020
mAh
mAh
(Non removable)
What's the better phone? Xiaomi Poco X3 Pro (J20SI 128GB)
The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!
12 Advantages 
7 Advantages | 39 Common items in both devices |
| 6GB LPDDR4X |
| 128GB (106GB available) |
| Until 1TB microSD, microSDXC / Until 512GB microSD, microSDXC |
| Plastic body, glass front / Plastic body, glass front/back |
| TFT IPS LCD |
| 16 million |
| 1080x2400 pixels |
| +32 specs and more in the table below |
Check the comparison table below for more items that are not evaluated in comparison score above.
Highlight differences Clear highlight📱 Model features | ||
| Xiaomi Poco X3 Pro (J20SI 128GB) | Redmi Note 9 Pro (128GB) | |
| Model | Poco X3 Pro (J20SI 128GB) | Redmi Note 9 Pro (128GB) |
| Other model names | POCO X3 Pro M2102J20SI (128GB+6GB RAM) | Xiaomi Note 9 Pro (M2003J6B2G Global version) 6GB RAM |
| Country or region available |  India |  (Global, International) |
| Brand | Xiaomi | Xiaomi |
| Release date | 3/24/2021, Announced: 3/22/2021 | 5/5/2020, Announced: 4/30/2020 |
| Depth | 9.4 millimeters (0.37 inches) | 8.8 millimeters (0.35 inches) |
| Size (width x height) | 76.8 x 165.3 millimeters (3.02 x 6.51 in) | 76.68 x 165.75 millimeters (3.02 x 6.53 in) |
| Weight | 215 grams (7.53 ounces) | 209 grams (7.32 ounces) |
| Build, materials | Plastic body, glass front | Plastic body, glass front/back |
| Protection against water and others | IP53 certified: protection against dust and splashing | Not supported |
📲 Display | ||
| Xiaomi Poco X3 Pro (J20SI 128GB) | Redmi Note 9 Pro (128GB) | |
| Display type | TFT IPS LCD | TFT IPS LCD |
| Screen size | 6.67" inches | 6.67" inches |
| Screen-to-body ratio | ~84.6% (screen-to-body ratio) | ~84.5% (screen-to-body ratio) |
| Display resolution | 1080x2400 pixels (20:9) | 1080x2400 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 395 PPI | 395 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 6 | Gorilla Glass 5 |
| Refresh rate | 120Hz | 60Hz |
| Display features | 450nits[typ] HDR10 | 450nits[typ] |
🤖 Operating System | ||
| Xiaomi Poco X3 Pro (J20SI 128GB) | Redmi Note 9 Pro (128GB) | |
| System version | Android 11 | Android 10 |
| Firmware update | Android 13 | Android 11 |
| User Interface | MIUI 12.5 / 13 / 14 | MIUI 11 / 12 |
⚙️ Processor | ||
| Xiaomi Poco X3 Pro (J20SI 128GB) | Redmi Note 9 Pro (128GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 860 (SM8150-AC) (7nm) | 64bit: Qualcomm Snapdragon 720G (SM7125) (8nm) |
| 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) | Octa-core, 2 processors: 2x 2.3GHz Kryo 465 Gold (Dual-core) 6x 1.8GHz Kryo 465 Silver (Hexa-core) |
| GPU graphical controller | Qualcomm Adreno 640 (250-672MHz) | Qualcomm Adreno 618 (750MHz) |
| Performance (benchmark) | AnTuTu: 483527 (v8) Geekbench: 2574 (v5.1) GFXBench: 38fps (ES 3.1 onscreen) | AnTuTu: 279625 (v8) Geekbench: 1785 (v5.1) GFXBench: 15fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| Xiaomi Poco X3 Pro (J20SI 128GB) | Redmi Note 9 Pro (128GB) | |
| RAM memory | 6GB LPDDR4X | 6GB LPDDR4X |
| Internal storage | 128GB (106GB available) UFS 3.1 | 128GB (106GB available) UFS 2.1 |
| External storage | Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Until 512GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Xiaomi Poco X3 Pro (J20SI 128GB) | Redmi Note 9 Pro (128GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 800/150 Mbps | 800/150 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1700/1900/2100 | 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) | LTE Cat15/13 (1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) VoLTE |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | UMTS 850/900/1700/1900/2100 | 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) | LTE Cat15/13 (1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) VoLTE |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
📷 Camera | ||
| Xiaomi Poco X3 Pro (J20SI 128GB) | Redmi Note 9 Pro (128GB) | |
| Back camera (main camera) | (quad camera) 48 megapixels 8MP ultrawide f/2.2119°1.0µm 2MP macro f/2.4 2MP depth f/2.4 | (quad camera) 64 megapixels 8MP ultrawide f/2.213mm1/4"1.12µm119° 5MP macro f/2.41/5"1.12µmAF 2MP depth f/2.4 |
| Main camera resolution | 8000x6000 pixels | 10120x6328 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | Dual-LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | f/1.9 (aperture) |
| Focal length | feature not registered | 26mm (lens) |
| Sensor size | 1/2" inches | 1/1.72" inches |
| Pixel size | 0.8µm pixel | 0.8µm pixel |
| Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Supported |
| HDR | HDR photo on both cameras | HDR photo on both cameras |
| Camera extras | 1080p@960fps | 4K@30fps 1080p@30/60fps 1080p@120fps (slow motion) 720p@960fps (slow motion) |
📸 Front camera | ||
| Xiaomi Poco X3 Pro (J20SI 128GB) | Redmi Note 9 Pro (128GB) | |
| Front camera (secondary) | 20 megapixels | 16 megapixels |
| Front camera resolution | 5184x3840 pixels | 4608x3456 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | f/2.5 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/3.4" inches | 1/3.06" inches |
| Pixel size | 0.8µm pixel | 1µm pixel |
🔉 Sound and multimedia | ||
| Xiaomi Poco X3 Pro (J20SI 128GB) | Redmi Note 9 Pro (128GB) | |
| Loudspeaker | Stereo sound with dual speakers | Mono sound (not stereo) |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Xiaomi Poco X3 Pro (J20SI 128GB) | Redmi Note 9 Pro (128GB) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | USB Type-C (reversible) | USB Type-C (reversible) |
| Bluetooth | 5.0 + A2DP/LE | 5.0 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Not supported | Supported |
| Infrared port | Supported | Supported |
🧭 Sensors | ||
| Xiaomi Poco X3 Pro (J20SI 128GB) | Redmi Note 9 Pro (128GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Xiaomi Poco X3 Pro (J20SI 128GB) | Redmi Note 9 Pro (128GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 5160 mAh | 5020 mAh |
| Charger, watts | 33W Wired fast charging | 30W Wired fast charging |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Xiaomi Poco X3 Pro (J20SI 128GB) | Redmi Note 9 Pro (128GB) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Phantom Black, Frost Blue, Metal Bronze • Silicone Case included • Cooling up to 6 °C • LiquidCool 1.0 Plus | • Colors: Tropical Green, Glacier White, Interstellar Gray • 33W charger (30W phone support) |
☢️ Radiation rate | ||
| Xiaomi Poco X3 Pro (J20SI 128GB) | Redmi Note 9 Pro (128GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.99W/kg (head), 0.67W/kg (body) | 0.87W/kg (head), 0.71W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | 0.57W/kg (head), 0.9W/kg (body) | 0.66W/kg (head), 1.02W/kg (body) |