Samsung Galaxy 551 (GT-i5510) vs Xiaomi Amazfit T-Rex Pro
Side by side comparison between Samsung Galaxy 551 vs Xiaomi Amazfit T-Rex Pro devices, differences, pros, cons and full specifications. What's the better?
,
3.2"
TFT
TFT
240x400
3.1
MP
MP
512MB
RAM
RAM
Single-core
1200
mAh
mAh
(Removable)
vs
1.3"
AMOLED
AMOLED
360x360
N/A
512MB
RAM
RAM
Single-core
390
mAh
mAh
(Non removable)
What's the better device? Samsung Galaxy 551 (GT-i5510)
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!
16 Advantages 
14 Advantages | 7 Common items in both devices |
| 512MB / 512MB LPDDR3 |
| 16 million |
| Capacitive |
| Multitouch |
| Accelerometer |
| Compass |
| A-GPS, GeoTagging / A-GPS, GeoTagging, GLONASS, BeiDou |
| + 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 | ||
| Galaxy 551 (GT-i5510) | Amazfit T-Rex Pro | |
| Model | Galaxy 551 (GT-i5510) | Amazfit T-Rex Pro |
| Other model names | Samsung Galaxy i5510, Samsung Callisto | Mi Amazfit TRex Pro |
| Country or region available |   (Global, International), (Europe) | (Global, International) |
| Brand | Samsung | Xiaomi |
| Release date | 11/1/2010 | 3/23/2021, Announced: 3/5/2021 |
| Depth | 15.2 millimeters (0.6 inches) | 13.5 millimeters (0.53 inches) |
| Size (width x height) | 55 x 111 millimeters (2.17 x 4.37 in) | 47.47 x 47.47 millimeters (1.87 x 1.87 in) |
| Weight | 117 grams (4.1 ounces) | 59 grams (2.07 ounces) |
| Build, materials | feature not registered | Plastic body, glass front |
| Protection against water and others | Not supported | 10 ATM: 100 meters waterproof |
📲 Display | ||
| Galaxy 551 (GT-i5510) | Amazfit T-Rex Pro | |
| Display type | TFT LCD | AMOLED |
| Screen size | 3.2" inches | 1.3" inches |
| Screen-to-body ratio | ~47.7% (screen-to-body ratio) | ~24.2% (screen-to-body ratio) |
| Display resolution | 240x400 pixels | 360x360 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 146 PPI | 392 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 3 |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | Not supported |
🤖 Operating System | ||
| Galaxy 551 (GT-i5510) | Amazfit T-Rex Pro | |
| System version | Android 2.2 Froyo | Proprietary OS |
| Firmware update | Android 2.3.6 Gingerbread | feature not registered |
| User Interface | feature not registered | RTOS |
⚙️ Processor | ||
| Galaxy 551 (GT-i5510) | Amazfit T-Rex Pro | |
| Chipset | 32bit: Qualcomm Snapdragon S1 MSM7227 (65nm) | 32bit |
| CPU | Single-core, 1 processor: 1x 600MHz ARM1136EJ-S (Single-core) | Single-core, 1 processor: Single-core |
| GPU graphical controller | Qualcomm Adreno 200 | feature not registered |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy 551 (GT-i5510) | Amazfit T-Rex Pro | |
| RAM memory | 512MB | 512MB LPDDR3 |
| Internal storage | 512MB (173MB available) | 4GB (2GB available) eMCP |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Galaxy 551 (GT-i5510) | Amazfit T-Rex Pro | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) Standard mini-SIM (2FF) | Not supported |
| Maximum Download / Upload | 7.2 Mbps | feature not registered |
| Network technology | 2G, 3G | feature not registered |
| 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 900/2100 | Not supported |
| Primary 4G network | Not supported | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | CSD, GPRS, EDGE, UMTS, HSDPA, HSUPA | 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 | ||
| Galaxy 551 (GT-i5510) | Amazfit T-Rex Pro | |
| Back camera (main camera) | 3.1 megapixels | Not supported |
| Main camera resolution | 2048x1536 pixels | Not supported |
| Video recording (primary) | QVGA (320x240) 15 fps | 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 | Autofocus | Not supported |
| Touch focus | Not supported | Not supported |
| Image stabilization | Not supported | Not supported |
| Zoom | Only digital zoom | 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 | ||
| Galaxy 551 (GT-i5510) | Amazfit T-Rex Pro | |
| 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 | ||
| Galaxy 551 (GT-i5510) | Amazfit T-Rex Pro | |
| Loudspeaker | Supported | feature not registered |
| Active noise cancellation | Not supported | Not supported |
| Radio | FM (RDS) | Not supported |
| TV | Not supported | Not supported |
| Video formats | 3GP, 3G2, MJPG, MP4, WMV, H.263 | feature not registered |
| Audio formats | MP3, WAV, eAAC+ | feature not registered |
🔌 Connectivity | ||
| Galaxy 551 (GT-i5510) | Amazfit T-Rex Pro | |
| USB | MicroUSB 2.0 | Not supported |
| Audio output | 3.5mm jack | Not supported |
| TV output | Not supported | Not supported |
| Bluetooth | 3.0 + A2DP | 5.0 + A2DP/LE |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) | Not supported |
| DLNA | Supported | Not supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy 551 (GT-i5510) | Amazfit T-Rex Pro | |
| Sensors | Accelerometer Compass Proximity sensor | Accelerometer Ambient light sensor Barometer Compass Heart rate Pedometer SpO2 |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy 551 (GT-i5510) | Amazfit T-Rex Pro | |
| Battery type | Li-Ion: lithium-ion (Removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 1200 mAh | 390 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | Magnetic charging (dock) |
| Talk time autonomy | 5 hours | 432 hours (18 days) |
| Standby | 370 hours (15.4 days) | 432 hours (18 days) |
➕ Other features | ||
| Galaxy 551 (GT-i5510) | Amazfit T-Rex Pro | |
| Call control | Voice dialing, Voice recorder, Voice commands | Not supported |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), E-mail |
| Hands-free calling | Supported | Not supported |
| Video calling | Not supported | Not supported |
| Ringtones | Polyphonic and customized | feature not registered |
| Web browser | HTML, XHTML, Flash player | Not supported |
| Antenna | Internal antenna | feature not registered |
| Qwerty physical keyboard | Retractable QWERTY keyboard | Not supported |
| Miscellaneous | • Colors: Black • 1GB microSD included • Samsung TouchWiz 3.0 • Java framework | • Colors: Black, Gray, Blue • Watch band: 22mm • BioTracker PPG • 100 sports mode • AppZepp app • Compatible with Android 5.0/iOS 10 and above |
☢️ Radiation rate | ||
| Galaxy 551 (GT-i5510) | Amazfit T-Rex Pro | |
| 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 |