Samsung Galaxy Watch (46mm SM-R805W) vs Xiaomi Mi A3 (128GB)
Side by side comparison between Samsung Galaxy Watch vs Xiaomi Mi A3 devices, differences, pros, cons and full specifications. What's the better?
,
1.3"
AMOLED
AMOLED
360x360
N/A
1.5GB
RAM
RAM
Dual-core
472
mAh
mAh
(Non removable)
vs
6.088"
AMOLED
AMOLED
720x1560
48
MP
MP
32mp
4GB
RAM
RAM
Octa-core
4030
mAh
mAh
(Non removable)
What's the better device? Xiaomi Mi A3 (128GB)
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!
9 Advantages 
26 Advantages | 11 Common items in both devices |
| Super AMOLED |
| 16 million |
| 4G LTE / 4G LTE-A |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| +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 Watch (46mm SM-R805W) | Xiaomi Mi A3 (128GB) | |
| Model | Galaxy Watch (46mm SM-R805W) | Xiaomi Mi A3 (128GB) |
| Other model names | Galaxy Watch 46mm (4G LTE) SM-R805WZSAXAC, Samsung Galileo | Xiaomi Mi A3 (Android One), M1906F9SH, M1906F9SI |
| Country or region available |  Canada |  (Global, International) |
| Brand | Samsung | Xiaomi |
| Release date | 8/1/2018 | 7/24/2019, Announced: 7/17/2019 |
| Depth | 13 millimeters (0.51 inches) | 8.5 millimeters (0.33 inches) |
| Size (width x height) | 46 x 49 millimeters (1.81 x 1.93 in) | 71.85 x 153.48 millimeters (2.83 x 6.04 in) |
| Weight | 63 grams (2.21 ounces) | 174 grams (6.09 ounces) |
| Build, materials | Stainless steel body, glass front | Aluminum frame, glass front/back |
| Protection against water and others | 5 ATM: 50 meters waterproof. MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. | Not supported |
📲 Display | ||
| Galaxy Watch (46mm SM-R805W) | Xiaomi Mi A3 (128GB) | |
| Display type | Super AMOLED | Super AMOLED |
| Screen size | 1.3" inches | 6.088" inches |
| Screen-to-body ratio | ~24.2% (screen-to-body ratio) | ~82.5% (screen-to-body ratio) |
| Display resolution | 360x360 pixels (1:1) | 720x1560 pixels (19.5:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 392 PPI | 282 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass DX+ | Gorilla Glass 5 |
| Refresh rate | feature not registered | 60Hz |
| Display features | Not supported | Not supported |
🤖 Operating System | ||
| Galaxy Watch (46mm SM-R805W) | Xiaomi Mi A3 (128GB) | |
| System version | Tizen 4.0 | Android 9.0 Pie |
| Firmware update | feature not registered | Android 11 |
| User Interface | feature not registered | Android One |
⚙️ Processor | ||
| Galaxy Watch (46mm SM-R805W) | Xiaomi Mi A3 (128GB) | |
| Chipset | 64bit: Samsung Exynos 9 Dual 9110 (10nm) | 64bit: Qualcomm Snapdragon 665 (SM6125) (11nm) |
| CPU | Dual-core, 1 processor: 2x 1.15GHz ARM Cortex-A53 (Dual-core) | Octa-core, 2 processors: 4x 2GHz Kryo 260 Gold (Quad-core) 4x 1.8GHz Kryo 260 Silver (Quad-core) |
| GPU graphical controller | ARM Mali-T720 MP1 | Qualcomm Adreno 610 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy Watch (46mm SM-R805W) | Xiaomi Mi A3 (128GB) | |
| RAM memory | 1.5GB LPDDR3 | 4GB LPDDR4X |
| Internal storage | 4GB (1.5GB available) eMMC | 128GB (109GB available) UFS 2.1 |
| External storage | Not supported | Until 512GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) |
📶 Mobile networks | ||
| Galaxy Watch (46mm SM-R805W) | Xiaomi Mi A3 (128GB) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) |
| SIM card | 1 slot (Single-SIM) e-SIM (Eletronic) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 10 Mbps | 450/50 Mbps |
| Network technology | 3G, 4G | 2G, 3G, 4G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Not supported | Quad-Band 850/900/1800/1900 |
| Primary 2G network | Not supported | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/1700/1900 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE (Bands 2,4,5,12,13,25,26,66) | LTE Cat9 (1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (38, 40) VoLTE |
| Primary 5G network | Not supported | Not supported |
| Primary data network | UMTS, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | UMTS 850/900/1700/1900/2100 |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ |
📷 Camera | ||
| Galaxy Watch (46mm SM-R805W) | Xiaomi Mi A3 (128GB) | |
| Back camera (main camera) | Not supported | (triple camera) 48 megapixels 8MP ultrawide f/2.21/4.0"1.12µm 2MP depth f/2.4 |
| Main camera resolution | Not supported | 8000x6000 pixels |
| Video recording (primary) | Not supported | 4K UHD (3840x2160) 30 fps |
| Flash | Not supported | LED flash |
| Focal aperture | feature not registered | f/1.8 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | 1/2" inches |
| Pixel size | feature not registered | 0.8µm pixel |
| Autofocus | Not supported | PDAF: phase detection autofocus |
| Touch focus | Not supported | Supported |
| Image stabilization | Not supported | EIS: Digital stabilization |
| Zoom | Not supported | Only digital zoom |
| Face/smile detection | Not supported | Face detection, Smile detection |
| BSI sensor | Not supported | Not supported |
| HDR | Not supported | HDR photo on both cameras |
| Camera extras | feature not registered | 1080p@120fps |
📸 Front camera | ||
| Galaxy Watch (46mm SM-R805W) | Xiaomi Mi A3 (128GB) | |
| Front camera (secondary) | Not supported | 32 megapixels |
| Front camera resolution | Not supported | 6528x4896 pixels |
| Video recording (secondary) | Not supported | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.0 (aperture) |
| Focal length | feature not registered | 26mm lens |
| Sensor size | feature not registered | 1/2.8" inches |
| Pixel size | feature not registered | 0.8µm pixel |
🔉 Sound and multimedia | ||
| Galaxy Watch (46mm SM-R805W) | Xiaomi Mi A3 (128GB) | |
| Loudspeaker | Supported | Mono sound (not stereo) |
| Active noise cancellation | Not supported | 2 microphones or more |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MP4 | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, OGG, eAAC+ | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy Watch (46mm SM-R805W) | Xiaomi Mi A3 (128GB) | |
| USB | Not supported | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | Not supported | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 4.2 + A2DP | 5.0 + A2DP/LE |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Supported |
🧭 Sensors | ||
| Galaxy Watch (46mm SM-R805W) | Xiaomi Mi A3 (128GB) | |
| Sensors | Accelerometer Ambient light sensor Barometer Gyroscope Heart rate Pedometer | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy Watch (46mm SM-R805W) | Xiaomi Mi A3 (128GB) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 472 mAh | 4030 mAh |
| Charger, watts | 3.5W (5V/0.7A) Wired charging | 18W (9V/2A) Wired fast charging Quick Charge 3 |
| Inductive / wireless charging | Qi wireless charging | Not supported |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | 72 hours (3 days) | feature not registered |
➕ Other features | ||
| Galaxy Watch (46mm SM-R805W) | Xiaomi Mi A3 (128GB) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Not supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | Not supported | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Silver • Straps: Onyx Black, Deep Ocean Blue, Basalt Grey • Compatible with standard 22mm straps • Always-on display • Rotating bezel • Samsung Pay • Compatible with Bell and Telus carriers | • Colors: Gray, White, Blue |
☢️ Radiation rate | ||
| Galaxy Watch (46mm SM-R805W) | Xiaomi Mi A3 (128GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 1.244W/kg (head), 1.733W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |