Xiaomi Mi 9T (128GB) vs Samsung Galaxy Watch (42mm SM-R815U)
Side by side comparison between Xiaomi Mi 9T vs Samsung Galaxy Watch devices, differences, pros, cons and full specifications. What's the better?
,
6.39"
AMOLED
AMOLED
1080x2340
48
MP
MP
20mp
6GB
RAM
RAM
Octa-core
4000
mAh
mAh
(Non removable)
vs
1.2"
AMOLED
AMOLED
360x360
N/A
1.5GB
RAM
RAM
Dual-core
270
mAh
mAh
(Non removable)
What's the better device? Xiaomi Mi 9T (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!
26 Advantages 
8 Advantages | 11 Common items in both devices |
| 16 million |
| 4G LTE-A / 4G LTE |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| Gyroscope |
| +4 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 Mi 9T (128GB) | Galaxy Watch (42mm SM-R815U) | |
| Model | Xiaomi Mi 9T (128GB) | Galaxy Watch (42mm SM-R815U) |
| Other model names | Xiaomi Mi 9T (Global version) M1903F10G, Xiaomi Redmi K20 | Galaxy Watch 42mm (4G LTE) SM-R815UZDAXAR, Samsung Galileo |
| Country or region available |     (Global, International), (Europe), Hong Kong, Taiwan |  USA |
| Brand | Xiaomi | Samsung |
| Release date | 6/1/2019 | 8/1/2018 |
| Depth | 8.8 millimeters (0.35 inches) | 12.7 millimeters (0.5 inches) |
| Size (width x height) | 74.3 x 156.7 millimeters (2.93 x 6.17 in) | 41.9 x 45.7 millimeters (1.65 x 1.8 in) |
| Weight | 191 grams (6.69 ounces) | 49 grams (1.72 ounces) |
| Build, materials | Aluminum frame, glass front/back | Stainless steel body, glass front |
| Protection against water and others | Not supported | 5 ATM: 50 meters waterproof. MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. |
📲 Display | ||
| Xiaomi Mi 9T (128GB) | Galaxy Watch (42mm SM-R815U) | |
| Display type | AMOLED | Super AMOLED |
| Screen size | 6.39" inches | 1.2" inches |
| Screen-to-body ratio | ~86.1% (screen-to-body ratio) | ~24.3% (screen-to-body ratio) |
| Display resolution | 1080x2340 pixels (19.5:9) | 360x360 pixels (1:1) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 403 PPI | 424 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 5 | Gorilla Glass DX+ |
| Refresh rate | 60Hz | feature not registered |
| Display features | 600nits[typ] HDR10 | Not supported |
🤖 Operating System | ||
| Xiaomi Mi 9T (128GB) | Galaxy Watch (42mm SM-R815U) | |
| System version | Android 9.0 Pie | Tizen 4.0 |
| Firmware update | Android 10 | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Xiaomi Mi 9T (128GB) | Galaxy Watch (42mm SM-R815U) | |
| Chipset | 64bit: Qualcomm Snapdragon 730 (SM7150-AA) (8nm) | 64bit: Samsung Exynos 9 Dual 9110 (10nm) |
| CPU | Octa-core, 2 processors: 2x 2.2GHz Kryo 470 Gold (Dual-core) 6x 1.8GHz Kryo 470 Silver (Hexa-core) | Dual-core, 1 processor: 2x 1.15GHz ARM Cortex-A53 (Dual-core) |
| GPU graphical controller | Qualcomm Adreno 618 (610MHz) | ARM Mali-T720 MP1 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Xiaomi Mi 9T (128GB) | Galaxy Watch (42mm SM-R815U) | |
| RAM memory | 6GB LPDDR4X | 1.5GB LPDDR3 |
| Internal storage | 128GB (109GB available) UFS 2.1 | 4GB (1.5GB available) eMMC |
| External storage | Not supported | Not supported |
📶 Mobile networks | ||
| Xiaomi Mi 9T (128GB) | Galaxy Watch (42mm SM-R815U) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Not supported |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) e-SIM (Eletronic) |
| Maximum Download / Upload | 800/150 Mbps | 10 Mbps |
| Network technology | 2G, 3G, 4G | 3G, 4G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Not supported |
| Primary 2G network | GSM 850/900/1800/1900 | Not supported |
| Primary 3G network | UMTS 850/900/1700/1900/2100 | UMTS 850/1700/1900 |
| Primary 4G network | LTE Cat15/13 (Bands 1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (Bands 38, 40) VoLTE | LTE (Bands 2,4,5,12,13,25,26,66) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | UMTS, HSDPA, HSUPA, HSPA+, LTE |
| 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 |
📷 Camera | ||
| Xiaomi Mi 9T (128GB) | Galaxy Watch (42mm SM-R815U) | |
| Back camera (main camera) | (triple camera) 48 megapixels 8MP telephoto f/2.453mm1/4"1.12µmPDAF2x-optical-zoom 13MP ultrawide f/2.412mm1/3"1.12µm | Not supported |
| Main camera resolution | 8000x6000 pixels | Not supported |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | Not supported |
| Flash | Dual-LED flash | Not supported |
| Focal aperture | f/1.8 (aperture) | feature not registered |
| Focal length | 26mm lens | feature not registered |
| Sensor size | 1/2" inches | feature not registered |
| Pixel size | 0.8µm pixel | feature not registered |
| Autofocus | PDAF: phase detection autofocus | Not supported |
| Touch focus | Supported | Not supported |
| Image stabilization | EIS: Digital stabilization | Not supported |
| Zoom | Digital and optical zoom | Not supported |
| Face/smile detection | Face detection, Smile detection | Not supported |
| BSI sensor | Not supported | Not supported |
| HDR | HDR photo on both cameras | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Xiaomi Mi 9T (128GB) | Galaxy Watch (42mm SM-R815U) | |
| Front camera (secondary) | 20 megapixels *Motorized pop-up camera (slider) | Not supported |
| Front camera resolution | 5184x3840 pixels | Not supported |
| Video recording (secondary) | Full HD (1920x1080) | Not supported |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | 0.8µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Xiaomi Mi 9T (128GB) | Galaxy Watch (42mm SM-R815U) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | Not supported |
| Radio | FM | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD | MP4 |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, OGG, eAAC+ |
🔌 Connectivity | ||
| Xiaomi Mi 9T (128GB) | Galaxy Watch (42mm SM-R815U) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | Not supported |
| Audio output | 3.5mm jack | Not supported |
| TV output | Not supported | Not supported |
| Bluetooth | 5.0 + A2DP/LE | 4.2 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Xiaomi Mi 9T (128GB) | Galaxy Watch (42mm SM-R815U) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Barometer Gyroscope Heart rate Pedometer |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Xiaomi Mi 9T (128GB) | Galaxy Watch (42mm SM-R815U) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 4000 mAh | 270 mAh |
| Charger, watts | 18W (9V/2A) Wired fast charging | 3.5W (5V/0.7A) Wired charging |
| Inductive / wireless charging | feature not registered | Qi wireless charging |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | 72 hours (3 days) |
➕ Other features | ||
| Xiaomi Mi 9T (128GB) | Galaxy Watch (42mm SM-R815U) | |
| 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 | Not supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | Not supported |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Carbon black, Flame red, Glacier blue • MIUI 10 • HDR display • 24-bit/192kHz audio • Quick Charge 4+ | • Colors: Midnight Black, Rose Gold • Straps: Black, Grey, Red, Yellow, Purple, Pink, Brown • Compatible with standard 20mm straps • Always-on display • Rotating bezel • Samsung Pay • Compatible with Sprint, T-Mobile and Verizon carriers |
☢️ Radiation rate | ||
| Xiaomi Mi 9T (128GB) | Galaxy Watch (42mm SM-R815U) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 1.34W/kg (head), 1.51W/kg (body) | 0.961W/kg (head), 1.786W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |