Xiaomi Redmi 7A (12MP 32GB) vs Samsung Galaxy Watch (42mm SM-R815F)
Side by side comparison between Xiaomi Redmi 7A vs Samsung Galaxy Watch devices, differences, pros, cons and full specifications. What's the better?
,
5.45"
IPS
IPS
720x1440
12
MP
MP
5mp
2GB
RAM
RAM
Octa-core
4000
mAh
mAh
(Non removable)
vs
1.2"
AMOLED
AMOLED
360x360
N/A
1.5GB
RAM
RAM
Dual-core
270
mAh
mAh
(Non removable)
What's the better device? Xiaomi Redmi 7A (12MP 32GB)
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!
22 Advantages 
12 Advantages | 10 Common items in both devices |
| 16 million |
| 4G LTE |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| LiPo: li-ion polymer (Non removable) / Li-Ion: lithium-ion (Non removable) |
| +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 | ||
| Redmi 7A (12MP 32GB) | Galaxy Watch (42mm SM-R815F) | |
| Model | Redmi 7A (12MP 32GB) | Galaxy Watch (42mm SM-R815F) |
| Other model names | Redmi 7A (Global) M1903C3EG, M1903C3EH, M1903C3EI, MZB7813EU | Galaxy Watch 42mm (4G LTE) SM-R815FZDAAMO, Samsung Galileo |
| Country or region available |    (Europe), (Global, International), India |       (Europe), South Africa, Saudi Arabia, Australia, Israel, Singapore, Taiwan |
| Brand | Xiaomi | Samsung |
| Release date | 7/1/2019 | 8/1/2018 |
| Depth | 9.55 millimeters (0.38 inches) | 12.7 millimeters (0.5 inches) |
| Size (width x height) | 70.41 x 146.3 millimeters (2.77 x 5.76 in) | 41.9 x 45.7 millimeters (1.65 x 1.8 in) |
| Weight | 165 grams (5.78 ounces) | 49 grams (1.72 ounces) |
| Build, materials | Plastic body, glass front | Stainless steel body, glass front |
| Protection against water and others | Water repellent nano-coating (don't immerse) | 5 ATM: 50 meters waterproof. MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. |
📲 Display | ||
| Redmi 7A (12MP 32GB) | Galaxy Watch (42mm SM-R815F) | |
| Display type | TFT IPS LCD | Super AMOLED |
| Screen size | 5.45" inches | 1.2" inches |
| Screen-to-body ratio | ~74.4% (screen-to-body ratio) | ~24.3% (screen-to-body ratio) |
| Display resolution | 720x1440 pixels (18:9) | 360x360 pixels (1:1) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 295 PPI | 424 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass DX+ |
| Refresh rate | 60Hz | feature not registered |
| Display features | Not supported | Not supported |
🤖 Operating System | ||
| Redmi 7A (12MP 32GB) | Galaxy Watch (42mm SM-R815F) | |
| System version | Android 9.0 Pie | Tizen 4.0 |
| Firmware update | Android 10 | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Redmi 7A (12MP 32GB) | Galaxy Watch (42mm SM-R815F) | |
| Chipset | 64bit: Qualcomm Snapdragon 439 SDM439 (12nm) | 64bit: Samsung Exynos 9 Dual 9110 (10nm) |
| CPU | Octa-core, 2 processors: 2x 2GHz ARM Cortex-A53 (Dual-core) 6x 1.45GHz ARM Cortex-A53 (Hexa-core) | Dual-core, 1 processor: 2x 1.15GHz ARM Cortex-A53 (Dual-core) |
| GPU graphical controller | Qualcomm Adreno 505 650Mhz | ARM Mali-T720 MP1 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Redmi 7A (12MP 32GB) | Galaxy Watch (42mm SM-R815F) | |
| RAM memory | 2GB LPDDR3 | 1.5GB LPDDR3 |
| Internal storage | 32GB (21GB available) eMMC 5.1 | 4GB (1.5GB available) eMMC |
| External storage | Until 256GB microSD, microSDXC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Redmi 7A (12MP 32GB) | Galaxy Watch (42mm SM-R815F) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) e-SIM (Eletronic) |
| Maximum Download / Upload | 150/50 Mbps | 10 Mbps |
| Network technology | 2G, 3G, 4G | 3G, 4G |
| 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 850/900/1900/2100 | UMTS 900/1900 |
| Primary 4G network | LTE Cat4 VoLTE M1903C3EG, MZB7813EU (Global version): LTE (1, 2, 3, 4, 5, 7, 8, 20) TD-LTE (38, 40) M1903C3EI, MZB7989IN, MZB7800IN, MZB8008IN, M1903C3EH (India, APAC version): LTE (1, 3, 5, 8) TD-LTE (40, 41) | LTE (Bands 1,3,7,8,20) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE | UMTS, HSDPA, HSUPA, HSPA+, LTE |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | UMTS 850/900/1900/2100 | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSUPA, HSPA+ | Not supported |
📷 Camera | ||
| Redmi 7A (12MP 32GB) | Galaxy Watch (42mm SM-R815F) | |
| Back camera (main camera) | 12 megapixels | Not supported |
| Main camera resolution | 4000x3000 pixels | Not supported |
| Video recording (primary) | Full HD (1920x1080) 30 fps | Not supported |
| Flash | LED flash | Not supported |
| Focal aperture | f/2.2 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/2.9" inches | feature not registered |
| Pixel size | 1.25µm 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 | Not supported | Not supported |
| HDR | HDR photo on both cameras | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Redmi 7A (12MP 32GB) | Galaxy Watch (42mm SM-R815F) | |
| Front camera (secondary) | 5 megapixels | Not supported |
| Front camera resolution | 2560x1920 pixels | Not supported |
| Video recording (secondary) | Full HD (1920x1080) | Not supported |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/5" inches | feature not registered |
| Pixel size | 1.12µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Redmi 7A (12MP 32GB) | Galaxy Watch (42mm SM-R815F) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | Not supported |
| Radio | FM | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, XviD, MKV | MP4 |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, OGG, eAAC+ |
🔌 Connectivity | ||
| Redmi 7A (12MP 32GB) | Galaxy Watch (42mm SM-R815F) | |
| USB | MicroUSB 2.0, USB OTG On-The-Go | Not supported |
| Audio output | 3.5mm jack | Not supported |
| TV output | Not supported | Not supported |
| Bluetooth | 4.2 + A2DP | 4.2 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot | 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 | ||
| Redmi 7A (12MP 32GB) | Galaxy Watch (42mm SM-R815F) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Proximity sensor | Accelerometer Ambient light sensor Barometer Gyroscope Heart rate Pedometer |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Redmi 7A (12MP 32GB) | Galaxy Watch (42mm SM-R815F) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 4000 mAh | 270 mAh |
| Charger, watts | 5W (5V/1A) Wired charging | 3.5W (5V/0.7A) Wired charging |
| Inductive / wireless charging | Not supported | Qi wireless charging |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | 456 hours (19 days) | 72 hours (3 days) |
➕ Other features | ||
| Redmi 7A (12MP 32GB) | Galaxy Watch (42mm SM-R815F) | |
| Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Not supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | Not supported |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black, Blue, Gold • MIUI 12 • Sony IMX486 back camera sensor • WiFi Display • 10W fast charge support, but includes normal 5W charger* | • Colors: Midnight Black, Rose Gold • Straps: Black, Grey, Red, Yellow, Purple, Pink, Brown • Compatible with standard 20mm straps • Always-on display • Rotating bezel • Samsung Pay |
☢️ Radiation rate | ||
| Redmi 7A (12MP 32GB) | Galaxy Watch (42mm SM-R815F) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 1W/kg (head), 1.12W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.56W/kg (head), 1.17W/kg (body) | 0.383W/kg (head), 0.383W/kg (body) |