Xiaomi Redmi Note 9 Pro Max (128GB/8GB) vs Xiaomi Poco X3 Pro (J20SI 128GB)
Side by side comparison between Xiaomi Redmi Note 9 Pro Max vs Xiaomi Poco X3 Pro phones, differences, pros, cons and full specifications. What's the better?
,
6.67"
IPS
IPS
1080x2400
64
MP
MP
32mp
8GB
RAM
RAM
Octa-core
5020
mAh
mAh
(Non removable)
vs
6.67"
IPS
IPS
1080x2400
48
MP
MP
20mp
6GB
RAM
RAM
Octa-core
5160
mAh
mAh
(Non removable)
What's the better phone? Xiaomi Redmi Note 9 Pro Max (128GB/8GB)
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!
8 Advantages 
6 Advantages | 36 Common items in both devices |
| 128GB (106GB available) |
| Until 512GB microSD, microSDXC / Until 1TB microSD, microSDXC |
| Plastic body, glass front/back / Plastic body, glass front |
| TFT IPS LCD |
| 16 million |
| 1080x2400 pixels |
| 395 PPI |
| +29 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 | ||
| Redmi Note 9 Pro Max (128GB/8GB) | Xiaomi Poco X3 Pro (J20SI 128GB) | |
| Model | Redmi Note 9 Pro Max (128GB/8GB) | Poco X3 Pro (J20SI 128GB) |
| Other model names | Xiaomi Note 9 Pro Max (8GB RAM) | POCO X3 Pro M2102J20SI (128GB+6GB RAM) |
| Country or region available |   India, (Global, International) | India |
| Brand | Xiaomi | Xiaomi |
| Release date | 3/25/2020 | 3/24/2021, Announced: 3/22/2021 |
| Depth | 8.8 millimeters (0.35 inches) | 9.4 millimeters (0.37 inches) |
| Size (width x height) | 76.68 x 165.5 millimeters (3.02 x 6.52 in) | 76.8 x 165.3 millimeters (3.02 x 6.51 in) |
| Weight | 209 grams (7.32 ounces) | 215 grams (7.53 ounces) |
| Build, materials | Plastic body, glass front/back | Plastic body, glass front |
| Protection against water and others | P2i certified: water repellent nano-coating | IP53 certified: protection against dust and splashing |
📲 Display | ||
| Redmi Note 9 Pro Max (128GB/8GB) | Xiaomi Poco X3 Pro (J20SI 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) | ~84.6% (screen-to-body ratio) |
| Display resolution | 1080x2400 pixels | 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 5 | Gorilla Glass 6 |
| Refresh rate | feature not registered | 120Hz |
| Display features | feature not registered | 450nits[typ] HDR10 |
🤖 Operating System | ||
| Redmi Note 9 Pro Max (128GB/8GB) | Xiaomi Poco X3 Pro (J20SI 128GB) | |
| System version | Android 10 | Android 11 |
| Firmware update | feature not registered | Android 13 |
| User Interface | feature not registered | MIUI 12.5 / 13 / 14 |
⚙️ Processor | ||
| Redmi Note 9 Pro Max (128GB/8GB) | Xiaomi Poco X3 Pro (J20SI 128GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 720G SM7125 (8nm) | 64bit: Qualcomm Snapdragon 860 (SM8150-AC) (7nm) |
| CPU | Octa-core, 2 processors: 2x 2.3GHz Kryo 465 Gold (Dual-core) 6x 1.8GHz Kryo 465 Silver (Hexa-core) | 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 618 | Qualcomm Adreno 640 (250-672MHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 483527 (v8) Geekbench: 2574 (v5.1) GFXBench: 38fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| Redmi Note 9 Pro Max (128GB/8GB) | Xiaomi Poco X3 Pro (J20SI 128GB) | |
| RAM memory | 8GB LPDDR4X | 6GB LPDDR4X |
| Internal storage | 128GB (106GB available) UFS 2.1 | 128GB (106GB available) UFS 3.1 |
| External storage | Until 512GB microSD, microSDXC (dedicated slot) | Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) |
📶 Mobile networks | ||
| Redmi Note 9 Pro Max (128GB/8GB) | Xiaomi Poco X3 Pro (J20SI 128GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | 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) | 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 850/900/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat15/13 (Bands 1, 3, 5, 8, 20, 28) TD-LTE (Bands 40, 41) VoLTE | LTE Cat15/13 (1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) |
| 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 | Not supported | UMTS 850/900/1700/1900/2100 |
| Secondary 4G network | Not supported | LTE Cat15/13 (1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) |
| Secondary data network | GPRS, EDGE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
📷 Camera | ||
| Redmi Note 9 Pro Max (128GB/8GB) | Xiaomi Poco X3 Pro (J20SI 128GB) | |
| Back camera (main camera) | (quad camera) 64 megapixels 8MP ultrawide f/2.213mm1/4"1.12µm 5MP macro f/2.41.12µm 2MP depth f/2.4 | (quad camera) 48 megapixels 8MP ultrawide f/2.2119°1.0µm 2MP macro f/2.4 2MP depth f/2.4 |
| Main camera resolution | 10120x6328 pixels | 8000x6000 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash | Dual-LED flash |
| Focal aperture | f/1.9 (aperture) | f/1.8 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/1.72" inches | 1/2" 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 | Not supported |
| HDR | HDR photo on both cameras | HDR photo on both cameras |
| Camera extras | feature not registered | 1080p@960fps |
📸 Front camera | ||
| Redmi Note 9 Pro Max (128GB/8GB) | Xiaomi Poco X3 Pro (J20SI 128GB) | |
| Front camera (secondary) | 32 megapixels | 20 megapixels |
| Front camera resolution | 6528x4896 pixels | 5184x3840 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.2 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/2.8" inches | 1/3.4" inches |
| Pixel size | 0.8µm pixel | 0.8µm pixel |
🔉 Sound and multimedia | ||
| Redmi Note 9 Pro Max (128GB/8GB) | Xiaomi Poco X3 Pro (J20SI 128GB) | |
| Loudspeaker | Supported | Stereo sound with dual speakers |
| 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 | ||
| Redmi Note 9 Pro Max (128GB/8GB) | Xiaomi Poco X3 Pro (J20SI 128GB) | |
| USB | USB 2.0 Type-C reversible connector | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | 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, NavIC | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Supported | Not supported |
| Infrared port | Supported | Supported |
🧭 Sensors | ||
| Redmi Note 9 Pro Max (128GB/8GB) | Xiaomi Poco X3 Pro (J20SI 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 | ||
| Redmi Note 9 Pro Max (128GB/8GB) | Xiaomi Poco X3 Pro (J20SI 128GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 5020 mAh | 5160 mAh |
| Charger, watts | 33W Wired fast charging | 33W Wired fast charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Redmi Note 9 Pro Max (128GB/8GB) | Xiaomi Poco X3 Pro (J20SI 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: Aurora Blue, Glacier White, Interstellar Black • 20:9 display (450 nits) • MIUI 11 | • Colors: Phantom Black, Frost Blue, Metal Bronze • Silicone Case included • Cooling up to 6 °C • LiquidCool 1.0 Plus |
☢️ Radiation rate | ||
| Redmi Note 9 Pro Max (128GB/8GB) | Xiaomi Poco X3 Pro (J20SI 128GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.99W/kg (head), 0.67W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.57W/kg (head), 0.9W/kg (body) |