Xiaomi Amazfit T-Rex Pro vs Samsung Gear 2 (SM-R380)
Side by side comparison between Xiaomi Amazfit T-Rex Pro vs Samsung Gear 2 smartwatches, differences, pros, cons and full specifications. What's the better?
,
1.3"
AMOLED
AMOLED
360x360
N/A
512MB
RAM
RAM
Single-core
390
mAh
mAh
(Non removable)
vs
1.63"
AMOLED
AMOLED
320x320
2
MP
MP
512MB
RAM
RAM
Dual-core
300
mAh
mAh
(Non removable)
What's the better smartwatch? Xiaomi Amazfit T-Rex Pro
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!
13 Advantages 
8 Advantages | 9 Common items in both devices |
| 4GB (2GB available) |
| 16 million |
| Capacitive |
| Multitouch |
| Accelerometer |
| Heart rate |
| Pedometer |
| +2 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 | ||
| Amazfit T-Rex Pro | Samsung Gear 2 (SM-R380) | |
| Change model | ||
| Model | Amazfit T-Rex Pro | Gear 2 (SM-R380) |
| Other model names | Mi Amazfit TRex Pro | Samsung Gear 2 R380, Samsung SM-R380 Gear 2 |
| Country or region available |  (Global, International) | (Global, International) |
| Brand | Xiaomi | Samsung |
| Release date | 3/23/2021, Announced: 3/5/2021 | 4/1/2014 |
| Depth | 13.5 millimeters (0.53 inches) | 10 millimeters (0.39 inches) |
| Size (width x height) | 47.47 x 47.47 millimeters (1.87 x 1.87 in) | 36.9 x 58.4 millimeters (1.45 x 2.3 in) |
| Weight | 59 grams (2.07 ounces) | 68 grams (2.38 ounces) |
| Build, materials | Plastic body, glass front | feature not registered |
| Protection against water and others | 10 ATM: 100 meters waterproof | Waterproof (IP?) |
📲 Display | ||
| Amazfit T-Rex Pro | Samsung Gear 2 (SM-R380) | |
| Display type | AMOLED | Super AMOLED |
| Screen size | 1.3" inches | 1.63" inches |
| Screen-to-body ratio | ~24.2% (screen-to-body ratio) | ~39.8% (screen-to-body ratio) |
| Display resolution | 360x360 pixels | 320x320 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 392 PPI | 278 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Not supported |
| Refresh rate | 60Hz | feature not registered |
| Display features | Not supported | feature not registered |
🤖 Operating System | ||
| Amazfit T-Rex Pro | Samsung Gear 2 (SM-R380) | |
| System version | Proprietary OS | Tizen 2.2.1 |
| Firmware update | feature not registered | feature not registered |
| User Interface | RTOS | feature not registered |
⚙️ Processor | ||
| Amazfit T-Rex Pro | Samsung Gear 2 (SM-R380) | |
| Chipset | 32bit | 32bit: Samsung Exynos 2 Dual 3250 (28nm) |
| CPU | Single-core, 1 processor: Single-core | Dual-core, 1 processor: 2x 1GHz ARM Cortex-A7 (Dual-core) |
| GPU graphical controller | feature not registered | ARM Mali-400 MP2 400Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Amazfit T-Rex Pro | Samsung Gear 2 (SM-R380) | |
| RAM memory | 512MB LPDDR3 | 512MB LPDDR2 |
| Internal storage | 4GB (2GB available) eMCP | 4GB (2GB available) |
| External storage | Not supported | Not supported |
📶 Mobile networks | ||
| Amazfit T-Rex Pro | Samsung Gear 2 (SM-R380) | |
| 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 | ||
| Amazfit T-Rex Pro | Samsung Gear 2 (SM-R380) | |
| Back camera (main camera) | Not supported | 2 megapixels |
| Main camera resolution | Not supported | 1600x1200 pixels |
| Video recording (primary) | Not supported | HD (1280x720) |
| 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 | Autofocus |
| Touch focus | Not supported | Supported |
| Image stabilization | Not supported | Not supported |
| Zoom | Not supported | Only digital zoom |
| 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 | ||
| Amazfit T-Rex Pro | Samsung Gear 2 (SM-R380) | |
| 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 | ||
| Amazfit T-Rex Pro | Samsung Gear 2 (SM-R380) | |
| Loudspeaker | feature not registered | Supported |
| Active noise cancellation | Not supported | Not supported |
| Radio | Not supported | Not supported |
| TV | Not supported | Not supported |
| Video formats | feature not registered | MP4, H.264, H.263 |
| Audio formats | feature not registered | MP3, WAV, eAAC+ |
🔌 Connectivity | ||
| Amazfit T-Rex Pro | Samsung Gear 2 (SM-R380) | |
| USB | Not supported | Not supported |
| Audio output | Not supported | Not supported |
| TV output | Not supported | Not supported |
| Bluetooth | 5.0 + A2DP/LE | 4.0 + A2DP |
| WiFi | Not supported | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | Not supported |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Supported |
🧭 Sensors | ||
| Amazfit T-Rex Pro | Samsung Gear 2 (SM-R380) | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Heart rate Pedometer SpO2 | Accelerometer Gyroscope Heart rate Pedometer |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Amazfit T-Rex Pro | Samsung Gear 2 (SM-R380) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 390 mAh | 300 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | Magnetic charging (dock) | feature not registered |
| Talk time autonomy | 432 hours (18 days) | feature not registered |
| Standby | 432 hours (18 days) | 72 hours (3 days) |
➕ Other features | ||
| Amazfit T-Rex Pro | Samsung Gear 2 (SM-R380) | |
| Call control | Not supported | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (T9), E-mail | SMS, MMS, E-mail, Push mail |
| Hands-free calling | Not supported | Supported |
| Video calling | Not supported | Not supported |
| Ringtones | feature not registered | Polyphonic and customized |
| Web browser | Not supported | Not supported |
| Antenna | feature not registered | Not supported |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black, Gray, Blue • Watch band: 22mm • BioTracker PPG • 100 sports mode • AppZepp app • Compatible with Android 5.0/iOS 10 and above | • Colors: Charcoal Black, Gold Brown, Orange • WatchON Remote • S-Voice • Watch compatible with Android 4.3 or higher • IP67 certified: dust and water resistant up to 1m and 30min |
☢️ Radiation rate | ||
| Amazfit T-Rex Pro | Samsung Gear 2 (SM-R380) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.122W/kg (head), 0.02W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.09W/kg (head), 0.02W/kg (body) |