Samsung Galaxy A90 5G (SM-A908B) vs Xiaomi Redmi Watch (WT02)
Side by side comparison between Samsung Galaxy A90 5G vs Xiaomi Redmi Watch devices, differences, pros, cons and full specifications. What's the better?
,
6.7"
AMOLED
AMOLED
1080x2400
48
MP
MP
32mp
6GB
RAM
RAM
Octa-core
4500
mAh
mAh
(Non removable)
vs
What's the better device? Samsung Galaxy A90 5G (SM-A908B)
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!
24 Advantages 
6 Advantages | 11 Common items in both devices |
| 128GB (106GB available) / Not supported |
| Capacitive |
| Multitouch |
| Accelerometer |
| Compass |
| Gyroscope |
| LiPo: li-ion polymer (Non removable) / Li-Ion: lithium-ion (Non removable) |
| +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 | ||
| Galaxy A90 5G (SM-A908B) | Redmi Watch (WT02) | |
| Model | Galaxy A90 5G (SM-A908B) | Redmi Watch (WT02) |
| Other model names | Galaxy A90 SM-A908BZWABTU (6GB RAM) | Redmi Watch REDMIWT02, REDMI-WT02 (GPS) |
| Country or region available |   (Europe), (Global, International) |  India |
| Brand | Samsung | Xiaomi |
| Release date | 9/1/2019 | 5/13/2021 |
| Depth | 8.4 millimeters (0.33 inches) | 11.9 millimeters (0.47 inches) |
| Size (width x height) | 76.4 x 164.8 millimeters (3.01 x 6.49 in) | 35 x 41 millimeters (1.38 x 1.61 in) |
| Weight | 206 grams (7.21 ounces) | 22 grams (.77 ounces) |
| Build, materials | Aluminum frame, glass front/back | Plastic body, glass front |
| Protection against water and others | Not supported | 5 ATM: 50 meters waterproof |
📲 Display | ||
| Galaxy A90 5G (SM-A908B) | Redmi Watch (WT02) | |
| Display type | Super AMOLED | TFT IPS LCD |
| Screen size | 6.7" inches | 1.4" inches |
| Screen-to-body ratio | ~86.1% (screen-to-body ratio) | ~44.1% (screen-to-body ratio) |
| Display resolution | 1080x2400 pixels (20:9) | 320x320 pixels (1:1) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 393 PPI | 323 PPI |
| Colors | 16 million | 260 thousand |
| Scratch-resistant glass | Gorilla Glass 6 | Not supported |
| Refresh rate | 60Hz | feature not registered |
| Display features | Not supported | 350nits[typ] |
🤖 Operating System | ||
| Galaxy A90 5G (SM-A908B) | Redmi Watch (WT02) | |
| System version | Android 9.0 Pie | Proprietary OS |
| Firmware update | Android 11 | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Galaxy A90 5G (SM-A908B) | Redmi Watch (WT02) | |
| Chipset | 64bit: Qualcomm Snapdragon 855 (SM8150) (7nm) | 32bit |
| CPU | Octa-core, 3 processors: 1x 2.84GHz Kryo 485 (Single-core) 3x 2.42GHz Kryo 485 (Triple-core) 4x 1.78GHz Kryo 485 (Quad-core) | Single-core, 1 processor: Single-core |
| GPU graphical controller | Qualcomm Adreno 640 (585MHz) | 3D GPU |
| Performance (benchmark) | AnTuTu: 458314 (v8) | feature not registered |
💽 Memory and storage | ||
| Galaxy A90 5G (SM-A908B) | Redmi Watch (WT02) | |
| RAM memory | 6GB LPDDR4X | feature not registered |
| Internal storage | 128GB (106GB available) UFS 3.0 | Not supported |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Galaxy A90 5G (SM-A908B) | Redmi Watch (WT02) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | Not supported |
| Maximum Download / Upload | 2000/150 Mbps | feature not registered |
| Network technology | 2G, 3G, 4G, 5G | 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 850/900/1700/1900/2100 | Not supported |
| Primary 4G network | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE | Not supported |
| Primary 5G network | NSA/Sub6 (41, 78) | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | 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 A90 5G (SM-A908B) | Redmi Watch (WT02) | |
| Back camera (main camera) | (triple camera) 48 megapixels 8MP ultrawide f/2.212mm1/4"1.12µm 5MP depth f/2.2 | Not supported |
| Main camera resolution | 8000x6000 pixels | Not supported |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | Not supported |
| Flash | LED flash | Not supported |
| Focal aperture | f/2.0 (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 | Only digital zoom | Not supported |
| Face/smile detection | Face detection, Smile detection | Not supported |
| BSI sensor | Supported | Not supported |
| HDR | HDR photo on both cameras | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Galaxy A90 5G (SM-A908B) | Redmi Watch (WT02) | |
| Front camera (secondary) | 32 megapixels | Not supported |
| Front camera resolution | 6528x4896 pixels | Not supported |
| Video recording (secondary) | Full HD (1920x1080) | Not supported |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | feature not registered |
| Focal length | 25mm lens | feature not registered |
| Sensor size | 1/2.8" inches | feature not registered |
| Pixel size | 0.8µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Galaxy A90 5G (SM-A908B) | Redmi Watch (WT02) | |
| Loudspeaker | Supported | feature not registered |
| Active noise cancellation | 2 microphones or more | Not supported |
| Radio | Not supported | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | feature not registered |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, eAAC+ |
🔌 Connectivity | ||
| Galaxy A90 5G (SM-A908B) | Redmi Watch (WT02) | |
| USB | USB 3.1 Type-C, USB OTG On-The-Go | Not supported |
| Audio output | Type-C reversible connector | Not supported |
| TV output | USB Type-C (reversible) | Not supported |
| Bluetooth | 5.0 + A2DP/LE | 5.0 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | Not supported |
| 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 | ||
| Galaxy A90 5G (SM-A908B) | Redmi Watch (WT02) | |
| Sensors | Accelerometer Ambient light sensor ANT+ Compass Face unlock Fingerprint sensor (under display) Gyroscope Hall effect Proximity sensor | Accelerometer Barometer Compass Gyroscope Heart rate Pedometer |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy A90 5G (SM-A908B) | Redmi Watch (WT02) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 4500 mAh | 230 mAh |
| Charger, watts | 25W Wired fast charging | Wired charging |
| Inductive / wireless charging | Not supported | Magnetic charging (dock) |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | 240 hours (10 days) |
➕ Other features | ||
| Galaxy A90 5G (SM-A908B) | Redmi Watch (WT02) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Not supported |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS, E-mail |
| Hands-free calling | Supported | Not supported |
| Video calling | Supported | Not supported |
| Ringtones | Polyphonic and customized | feature not registered |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | feature not registered |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black, White • One UI 3.1 • Always-on display • Samsung DeX • Dolby Atmos sound | • Colors: Black, Blue, Ivory • Strap/bands: Black, Blue, Ivory, Olive • 2.5D curved display • Android/iOS compatible • Watch faces (+200) |
☢️ Radiation rate | ||
| Galaxy A90 5G (SM-A908B) | Redmi Watch (WT02) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.377W/kg (head), 1.547W/kg (body) | feature not registered |