Xiaomi Amazfit T-Rex Pro vs Samsung Gear S3 frontier (4G SM-R765F)
Side by side comparison between Xiaomi Amazfit T-Rex Pro vs Samsung Gear S3 frontier 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
1.3"
AMOLED
AMOLED
360x360
N/A
768MB
RAM
RAM
Dual-core
380
mAh
mAh
(Non removable)
What's the better smartwatch? Samsung Gear S3 frontier (4G SM-R765F)
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!
6 Advantages 
10 Advantages | 17 Common items in both devices |
| 4GB (2GB available) |
| 16 million |
| 360x360 pixels |
| 392 PPI |
| 1.3" |
| Capacitive |
| Multitouch |
| +10 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 S3 frontier (4G SM-R765F) | |
| Change model | ||
| Model | Amazfit T-Rex Pro | Gear S3 frontier (4G SM-R765F) |
| Other model names | Mi Amazfit TRex Pro | Samsung Gear S3 R765F, Gear S3 frontier LTE |
| Country or region available |  (Global, International) |  Singapore |
| Brand | Xiaomi | Samsung |
| Release date | 3/23/2021, Announced: 3/5/2021 | 12/1/2016 |
| Depth | 13.5 millimeters (0.53 inches) | 12.9 millimeters (0.51 inches) |
| Size (width x height) | 47.47 x 47.47 millimeters (1.87 x 1.87 in) | 46 x 49 millimeters (1.81 x 1.93 in) |
| Weight | 59 grams (2.07 ounces) | 63 grams (2.21 ounces) |
| Build, materials | Plastic body, glass front | Stainless steel body, glass front |
| Protection against water and others | 10 ATM: 100 meters waterproof | IP68 certified: dust/waterproof over 1.5 meters and 30min. MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. |
📲 Display | ||
| Amazfit T-Rex Pro | Samsung Gear S3 frontier (4G SM-R765F) | |
| Display type | AMOLED | Super AMOLED |
| Screen size | 1.3" inches | 1.3" inches |
| Screen-to-body ratio | ~24.2% (screen-to-body ratio) | ~24.2% (screen-to-body ratio) |
| Display resolution | 360x360 pixels | 360x360 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 392 PPI | 392 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Gorilla Glass SR+ |
| Refresh rate | 60Hz | feature not registered |
| Display features | Not supported | feature not registered |
🤖 Operating System | ||
| Amazfit T-Rex Pro | Samsung Gear S3 frontier (4G SM-R765F) | |
| System version | Proprietary OS | Tizen 2.3.2 |
| Firmware update | feature not registered | Tizen 3.0 |
| User Interface | RTOS | feature not registered |
⚙️ Processor | ||
| Amazfit T-Rex Pro | Samsung Gear S3 frontier (4G SM-R765F) | |
| Chipset | 32bit | 64bit: Samsung Exynos 7 Dual 7270 (14nm) |
| CPU | Single-core, 1 processor: Single-core | Dual-core, 1 processor: 2x 1GHz ARM Cortex-A53 (Dual-core) |
| GPU graphical controller | feature not registered | ARM Mali-T720 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Amazfit T-Rex Pro | Samsung Gear S3 frontier (4G SM-R765F) | |
| RAM memory | 512MB LPDDR3 | 768MB LPDDR3 |
| Internal storage | 4GB (2GB available) eMCP | 4GB (2GB available) |
| External storage | Not supported | Not supported |
📶 Mobile networks | ||
| Amazfit T-Rex Pro | Samsung Gear S3 frontier (4G SM-R765F) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | Not supported | 1 slot (Single-SIM) e-SIM (Eletronic) |
| Maximum Download / Upload | feature not registered | 150/50 Mbps |
| Network technology | feature not registered | 3G, 4G |
| 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 | UMTS 2100 |
| Primary 4G network | Not supported | LTE Cat4 850/1800/2100 (Bands 1,3,5) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | Not supported | UMTS, HSDPA, HSUPA, HSPA+, LTE |
| 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 S3 frontier (4G SM-R765F) | |
| 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 | Not supported | 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 | ||
| Amazfit T-Rex Pro | Samsung Gear S3 frontier (4G SM-R765F) | |
| 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 S3 frontier (4G SM-R765F) | |
| Loudspeaker | feature not registered | Supported |
| Active noise cancellation | Not supported | 2 microphones or more |
| Radio | Not supported | Not supported |
| TV | Not supported | Not supported |
| Video formats | feature not registered | feature not registered |
| Audio formats | feature not registered | MP3, WAV, WMA, OGG, eAAC+ |
🔌 Connectivity | ||
| Amazfit T-Rex Pro | Samsung Gear S3 frontier (4G SM-R765F) | |
| USB | Not supported | Not supported |
| Audio output | Not supported | Not supported |
| TV output | Not supported | Not supported |
| Bluetooth | 5.0 + A2DP/LE | 4.2 + A2DP |
| WiFi | Not supported | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | A-GPS, GeoTagging, GLONASS |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Amazfit T-Rex Pro | Samsung Gear S3 frontier (4G SM-R765F) | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Heart rate Pedometer SpO2 | Accelerometer Ambient light sensor Barometer Gyroscope Heart rate Pedometer |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Amazfit T-Rex Pro | Samsung Gear S3 frontier (4G SM-R765F) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 390 mAh | 380 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | Magnetic charging (dock) | Qi Wireless charging (Qi/WPC) |
| 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 S3 frontier (4G SM-R765F) | |
| 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 | Internal antenna |
| 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: Black • Leather band strap (22mm) • Stainless Steel body 316L • Samsung Pay • S-Voice, S-Health |
☢️ Radiation rate | ||
| Amazfit T-Rex Pro | Samsung Gear S3 frontier (4G SM-R765F) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.306W/kg (head), 0.947W/kg (body) |