| Physical features | Xiaomi Redmi 9T (Global 128GB/4GB) | Samsung Galaxy A42 5G (SM-A426B) |
| Model | Redmi 9T (Global 128GB/4GB) | Galaxy A42 5G (SM-A426B) |
| Other model names | 红米9T M2010J19SG (Global 128GB + 4GB RAM) | Galaxy A42 5G SM-A426B (128GB + 6GB RAM) |
| Country or region available | 
(Global, International) |  
Australia, New Zealand |
| Brand | Xiaomi | Samsung |
| Release date | January, 2021 | September, 2020 |
| Depth | 9.6 millimeters (0.38 inches) | 8.6 millimeters (0.34 inches) |
| Size (width x height) | 77.3 x 162.3 millimeters (3.04 x 6.39 in) | 75.9 x 164.4 millimeters (2.99 x 6.47 in) |
| Weight | 198 grams (6.93 ounces) | 193 grams (6.76 ounces) |
| Qwerty physical keyboard | Not supported | Not supported |
| Antenna | Internal antenna | Internal antenna |
| Build, materials | Plastic body, glass front | Plastic body, glass front |
| Protection against water and others | Water repellent nano-coating (don't immerse) | Not supported |
| System (OS) | Xiaomi Redmi 9T (Global 128GB/4GB) | Samsung Galaxy A42 5G (SM-A426B) |
| Operating system | Android 10 | Android 10 |
| Firmware update | feature not registered | feature not registered |
| Hardware | Xiaomi Redmi 9T (Global 128GB/4GB) | Samsung Galaxy A42 5G (SM-A426B) |
| Chipset | 64bit - Qualcomm Snapdragon 662 SM6115 (11nm) | 64bit - Qualcomm Snapdragon 750G SM7225 (8nm) |
| CPU processor | Octa-Core, 2 processors:
2Ghz Quad-Core Kryo 260 Gold
1.8Ghz Quad-Core Kryo 260 Silver | Octa-Core, 2 processors:
2.2Ghz Dual-Core Kryo 570
1.8Ghz Hexa-Core Kryo 570 |
| GPU graphical controller | Qualcomm Adreno 610 950Mhz | Qualcomm Adreno 619 |
| RAM memory | 4GB LPDDR4X | 6GB LPDDR4X |
| Internal storage | 128GB (106GB available)
UFS 2.2 | 128GB (106GB available)
UFS 2.1 |
| External storage | Until 1TB microSD, microSDXC
(dedicated slot) | Until 1TB microSD, microSDXC
(hybrid slot/shares the same SIM-2 slot) |
| Display | Xiaomi Redmi 9T (Global 128GB/4GB) | Samsung Galaxy A42 5G (SM-A426B) |
| Display type | TFT IPS LCD | Super AMOLED |
| Screen size | 6.53" inches | 6.6" inches |
| Screen-to-body ratio | ~83.4% (screen-to-body ratio) | ~84.3% (screen-to-body ratio) |
| Display resolution | 1080x2340 pixels (19.5:9) | 720x1600 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 395 PPI | 266 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Not supported |
| Display features | 60Hz, 400 nits | 60Hz |
| Mobile networks | Xiaomi Redmi 9T (Global 128GB/4GB) | Samsung Galaxy A42 5G (SM-A426B) |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card
(dedicated slot) | Not supported |
| SIM card | 2 slots (Dual-SIM)
nano-SIM (4FF) | 1 slot (Single-SIM)
nano-SIM (4FF) |
| Maximum download/upload | 400/150 Mbps | 2000/150 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G, 5G |
| Frequency, bands | Expand band detailsCollapse 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 Cat13 (1, 2, 3, 4, 5, 7, 8, 20, 28)
TD-LTE (38, 40, 41)
VoLTE | LTE Cat11 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28)
TD-LTE (38, 40, 41)
VoLTE |
| Primary 5G network | Not supported | SA/NSA/Sub6 (1, 3, 5, 7, 8, 28, 40, 41, 78) |
| 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, 5G SA/NSA |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | Not supported |
| Calling | Xiaomi Redmi 9T (Global 128GB/4GB) | Samsung Galaxy A42 5G (SM-A426B) |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Speakerphone | Supported | Supported |
| Video calling | Supported | Supported |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder, Voice commands |
| Camera | Xiaomi Redmi 9T (Global 128GB/4GB) | Samsung Galaxy A42 5G (SM-A426B) |
| Back camera (main camera) | (quad camera)
48 megapixels
8MP ultrawidef/2.2120º1/4"1.12µm
2MP macrof/2.4
2MP depthf/2.4 | (quad camera)
48 megapixels
8MP ultrawidef/2.2123º
5MP macrof/2.4
5MP depthf/2.4 |
| Main camera resolution | 8000x6000 pixels | 8000x6000 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | f/1.8 (aperture) |
| Focal length | 26mm lens | feature not registered |
| Sensor size | 1/2" 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 |
| 2ª camera | Xiaomi Redmi 9T (Global 128GB/4GB) | Samsung Galaxy A42 5G (SM-A426B) |
| Front camera (secondary) | 8 megapixels | 20 megapixels |
| Front camera resolution | 3264x2448 pixels | 5184x3840 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.1 (aperture) | f/2.2 (aperture) |
| Focal length | 27mm lens | feature not registered |
| Sensor size | 1/4" inches | feature not registered |
| Pixel size | 1.12µm pixel | feature not registered |
| Multimedia | Xiaomi Redmi 9T (Global 128GB/4GB) | Samsung Galaxy A42 5G (SM-A426B) |
| 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 Redmi 9T (Global 128GB/4GB) | Samsung Galaxy A42 5G (SM-A426B) |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | USB 2.0 Type-C reversible connector |
| TV output | USB Type-C (reversible) | Not supported |
| Audio output | 3.5mm jack | 3.5mm jack |
| Bluetooth | 5.0 + A2DP/LE | 5.0 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO | 802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO |
| DLNA | Not supported | Not supported |
| NFC | Not supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| Infrared port | Supported | Not supported |
| Other functions | Xiaomi Redmi 9T (Global 128GB/4GB) | Samsung Galaxy A42 5G (SM-A426B) |
| Active noise cancellation | Supported | Supported |
| Vibrating alert | Supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, HTML5 |
| Sensors | Accelerometer
Proximity sensor
Compass
Ambient Light sensor
Face unlock
Fingerprint sensor (side-mounted)
| Accelerometer
Proximity sensor
Compass
Ambient Light sensor
Gyroscope
Face unlock
Fingerprint sensor (under display)
|
| Other features | - Colors: Carbon Gray, Twilight Blue, Sunrise Orange, Ocean Green
- MIUI 12
- Hi-Res audio
- 24-bit/192kHz audio
- Stereo dual speakers
- WiFi direct, hotspot | - Colors: Prism Dot Black, White, Gray
- One UI 2.5
- Samsung Pay
- WiFi direct, hotspot |
| Power supply | Xiaomi Redmi 9T (Global 128GB/4GB) | Samsung Galaxy A42 5G (SM-A426B) |
| Battery | Li-Ion: Lithium-Ion (Non removable) | LiPo: Li-Ion polymer (Non removable) |
| Battery capacity | 6000 mAh | 5000 mAh |
| Charger, watts | 18W Fast battery charging
2.5W Reverse charging USB between devices | 15W Fast battery charging |
| Talk time autonomy | 3360 minutes | 56 hours | 2.3 days | feature not registered |
| Standby | 40320 minutes | 672 hours | 28 days | feature not registered |
| Radiation rate | Xiaomi Redmi 9T (Global 128GB/4GB) | Samsung Galaxy A42 5G (SM-A426B) |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 1.154W/kg (head) | 1.334W/kg (body) |