Sony SmartWatch 2 vs Xiaomi Amazfit T-Rex
Side by side comparison between Sony SmartWatch 2 vs Xiaomi Amazfit T-Rex smartwatches, differences, pros, cons and full specifications. What's the better?
,
1.6"
TFT
TFT
220x276
N/A
64MB
RAM
RAM
Single-core
225
mAh
mAh
(Non removable)
vs
1.3"
AMOLED
AMOLED
360x360
N/A
512MB
RAM
RAM
Single-core
390
mAh
mAh
(Non removable)
What's the better smartwatch? Xiaomi Amazfit T-Rex
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!
4 Advantages 
15 Advantages | 7 Common items in both devices |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| LiPo: li-ion polymer (Non removable) |
| Not supported |
| Scratch-resistant glass / Gorilla Glass 3 |
| + 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 | ||
| Sony SmartWatch 2 | Amazfit T-Rex | |
| Change model | ||
| Model | SmartWatch 2 | Amazfit T-Rex |
| Other model names | Sony SmartWatch 2 SW2, Sony SW2 | Mi Amazfit TRex |
| Country or region available | feature not registered |  (Global, International) |
| Brand | Sony | Xiaomi |
| Release date | 10/1/2013 | 1/9/2020, Announced: 1/1/2020 |
| Depth | 9 millimeters (0.35 inches) | 13.5 millimeters (0.53 inches) |
| Size (width x height) | 42 x 41 millimeters (1.65 x 1.61 in) | 47.47 x 47.47 millimeters (1.87 x 1.87 in) |
| Weight | 122 grams (4.27 ounces) | 58 grams (2.03 ounces) |
| Build, materials | feature not registered | Plastic body, glass front |
| Protection against water and others | Waterproof (IP?) | 5 ATM: 50 meters waterproof |
📲 Display | ||
| Sony SmartWatch 2 | Amazfit T-Rex | |
| Display type | TFT LCD | AMOLED |
| Screen size | 1.6" inches | 1.3" inches |
| Screen-to-body ratio | ~46.7% (screen-to-body ratio) | ~24.2% (screen-to-body ratio) |
| Display resolution | 220x276 pixels | 360x360 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 221 PPI | 392 PPI |
| Colors | 260 thousand | 16 million |
| Scratch-resistant glass | Scratch-resistant glass | Gorilla Glass 3 |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | Not supported |
🤖 Operating System | ||
| Sony SmartWatch 2 | Amazfit T-Rex | |
| System version | Android 4.0.1 Ice Cream Sandwich ICS | Proprietary OS |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | RTOS |
⚙️ Processor | ||
| Sony SmartWatch 2 | Amazfit T-Rex | |
| Chipset | 32bit: ST-Microeletronics STM32F439 | 32bit |
| CPU | Single-core, 1 processor: 1x 180MHz ARM Cortex-M4 (Single-core) | Single-core, 1 processor: Single-core |
| GPU graphical controller | feature not registered | feature not registered |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Sony SmartWatch 2 | Amazfit T-Rex | |
| RAM memory | 64MB | 512MB LPDDR3 |
| Internal storage | 256MB | 4GB (2GB available) eMCP |
| External storage | Not supported | Not supported |
📶 Mobile networks | ||
| Sony SmartWatch 2 | Amazfit T-Rex | |
| Dual-SIM | Not supported | Not supported |
| SIM card | Not supported | Not supported |
| Maximum Download / Upload | feature not registered | feature not registered |
| Network technology | feature not registered | feature not registered |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Not supported | Not supported |
| Primary 2G network | Not supported | Not supported |
| Primary 3G network | Not supported | Not supported |
| Primary 4G network | Not supported | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | Not supported | Not supported |
| Secondary 2G network | Not supported | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | Not supported |
📷 Camera | ||
| Sony SmartWatch 2 | Amazfit T-Rex | |
| Back camera (main camera) | Not supported | Not supported |
| Main camera resolution | Not supported | Not supported |
| Video recording (primary) | Not supported | Not supported |
| Flash | Not supported | Not supported |
| Focal aperture | feature not registered | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
| Autofocus | Not supported | Not supported |
| Touch focus | Not supported | Not supported |
| Image stabilization | feature not registered | Not supported |
| Zoom | Not supported | Not supported |
| Face/smile detection | Not supported | Not supported |
| BSI sensor | Not supported | Not supported |
| HDR | Not supported | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Sony SmartWatch 2 | Amazfit T-Rex | |
| Front camera (secondary) | Not supported | Not supported |
| Front camera resolution | Not supported | Not supported |
| Video recording (secondary) | Not supported | Not supported |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
🔉 Sound and multimedia | ||
| Sony SmartWatch 2 | Amazfit T-Rex | |
| Loudspeaker | feature not registered | feature not registered |
| Active noise cancellation | Not supported | Not supported |
| Radio | Not supported | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | feature not registered |
| Audio formats | MP3, WAV, eAAC+ | feature not registered |
🔌 Connectivity | ||
| Sony SmartWatch 2 | Amazfit T-Rex | |
| USB | Not supported | Not supported |
| Audio output | Not supported | Not supported |
| TV output | Not supported | Not supported |
| Bluetooth | 3.0 + A2DP | 5.0 + A2DP/LE |
| WiFi | Not supported | Not supported |
| DLNA | Not supported | Not supported |
| GPS | Not supported | A-GPS, GeoTagging, GLONASS |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Sony SmartWatch 2 | Amazfit T-Rex | |
| Sensors | Accelerometer Ambient light sensor | Accelerometer Ambient light sensor Compass Heart rate Pedometer SpO2 |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Sony SmartWatch 2 | Amazfit T-Rex | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 225 mAh | 390 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | Magnetic charging (dock) |
| Talk time autonomy | 72 hours (3 days) | 20 hours |
| Standby | 168 hours (7 days) | 480 hours (20 days) |
➕ Other features | ||
| Sony SmartWatch 2 | Amazfit T-Rex | |
| Call control | Voice dialing, Voice recorder, Voice commands | Not supported |
| Messaging | SMS, E-mail | SMS (T9), E-mail |
| Hands-free calling | Not supported | Not supported |
| Video calling | Not supported | Not supported |
| Ringtones | feature not registered | feature not registered |
| Web browser | Not supported | Not supported |
| Antenna | Internal antenna | feature not registered |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Watch colors: Black, Metal black, Silver • Aluminum body • It doesn't have microphone • MicroUSB charging • IP57 certified: dust and water resistant up to 1m and 30min | • Colors: Black, Gray, Camouflage, Army green, Khaki • Watch band: 22mm • BioTracker PPG • 14 sports mode • AppZepp app • Compatible with Android 5.0/iOS 10 and above |
☢️ Radiation rate | ||
| Sony SmartWatch 2 | Amazfit T-Rex | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |