Samsung Galaxy Watch (46mm SM-R805U) vs LG K12+ Plus (X420BMW)
Side by side comparison between Samsung Galaxy Watch vs LG K12+ Plus 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
5.7"
IPS
IPS
720x1440
16
MP
MP
8mp
3GB
RAM
RAM
Octa-core
3000
mAh
mAh
(Non removable)
What's the better device? LG K12+ Plus (X420BMW)
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!
11 Advantages 
22 Advantages | 8 Common items in both devices |
| 16 million |
| 4G LTE / 4G LTE-A |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| Li-Ion: lithium-ion (Non removable) |
| + 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-R805U) | LG K12+ Plus (X420BMW) | |
| Model | Galaxy Watch (46mm SM-R805U) | K12+ Plus (X420BMW) |
| Other model names | Galaxy Watch 46mm (4G LTE) SM-R805UZSAXAR, Samsung Galileo | LG K12 Plus LMX420BMW, LG K12+ X420BMW, LG-LMX420BMW |
| Country or region available |  USA |  Brazil |
| Brand | Samsung | LG |
| Release date | 8/1/2018 | 3/31/2019 |
| Depth | 13 millimeters (0.51 inches) | 8.3 millimeters (0.33 inches) |
| Size (width x height) | 46 x 49 millimeters (1.81 x 1.93 in) | 71.9 x 153 millimeters (2.83 x 6.02 in) |
| Weight | 63 grams (2.21 ounces) | 150 grams (5.25 ounces) |
| Build, materials | Stainless steel body, glass front | Plastic body, glass front |
| 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. | MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. |
📲 Display | ||
| Galaxy Watch (46mm SM-R805U) | LG K12+ Plus (X420BMW) | |
| Display type | Super AMOLED | TFT IPS LCD |
| Screen size | 1.3" inches | 5.7" inches |
| Screen-to-body ratio | ~24.2% (screen-to-body ratio) | ~76.2% (screen-to-body ratio) |
| Display resolution | 360x360 pixels (1:1) | 720x1440 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 392 PPI | 282 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass DX+ | Not supported |
| Refresh rate | feature not registered | feature not registered |
| Display features | Not supported | feature not registered |
🤖 Operating System | ||
| Galaxy Watch (46mm SM-R805U) | LG K12+ Plus (X420BMW) | |
| System version | Tizen 4.0 | Android 8.1 Oreo |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Galaxy Watch (46mm SM-R805U) | LG K12+ Plus (X420BMW) | |
| Chipset | 64bit: Samsung Exynos 9 Dual 9110 (10nm) | 64bit: MediaTek Helio P22 (MT6762) (12nm) |
| CPU | Dual-core, 1 processor: 2x 1.15GHz ARM Cortex-A53 (Dual-core) | Octa-core, 2 processors: 4x 2GHz ARM Cortex-A53 (Quad-core) 4x 1.5GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | ARM Mali-T720 MP1 | PowerVR GE8320 (650MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy Watch (46mm SM-R805U) | LG K12+ Plus (X420BMW) | |
| RAM memory | 1.5GB LPDDR3 | 3GB LPDDR3 |
| Internal storage | 4GB (1.5GB available) eMMC | 32GB (20GB available) eMMC 5.1 |
| External storage | Not supported | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy Watch (46mm SM-R805U) | LG K12+ Plus (X420BMW) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 1 slot (Single-SIM) e-SIM (Eletronic) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 10 Mbps | 300/50 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 850/900/1900/2100 |
| Primary 4G network | LTE (Bands 2,4,5,12,13,25,26,66) | LTE Cat6 (Bands 1, 2, 3, 5, 7, 8, 28) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | UMTS, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A |
| Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | GPRS, EDGE |
📷 Camera | ||
| Galaxy Watch (46mm SM-R805U) | LG K12+ Plus (X420BMW) | |
| Back camera (main camera) | Not supported | 16 megapixels |
| Main camera resolution | Not supported | 4608x3456 pixels |
| Video recording (primary) | Not supported | Full HD (1920x1080) 30 fps |
| Flash | Not supported | LED flash on both cameras |
| Focal aperture | feature not registered | f/2.0 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | 1/3" inches |
| Pixel size | feature not registered | 1µm 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 | feature not registered |
📸 Front camera | ||
| Galaxy Watch (46mm SM-R805U) | LG K12+ Plus (X420BMW) | |
| Front camera (secondary) | Not supported | 8 megapixels |
| Front camera resolution | Not supported | 3264x2448 pixels |
| Video recording (secondary) | Not supported | Full HD (1920x1080) |
| Front flash | Not supported | LED |
| Focal aperture | feature not registered | f/2.0 (aperture) |
| 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 Watch (46mm SM-R805U) | LG K12+ Plus (X420BMW) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | 2 microphones or more |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MP4 | MP4, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, OGG, eAAC+ | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy Watch (46mm SM-R805U) | LG K12+ Plus (X420BMW) | |
| USB | Not supported | MicroUSB 2.0, 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 |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy Watch (46mm SM-R805U) | LG K12+ Plus (X420BMW) | |
| Sensors | Accelerometer Ambient light sensor Barometer Gyroscope Heart rate Pedometer | Accelerometer Ambient light sensor Fingerprint sensor (rear-mounted) Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy Watch (46mm SM-R805U) | LG K12+ Plus (X420BMW) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 472 mAh | 3000 mAh |
| Charger, watts | 3.5W (5V/0.7A) Wired charging | Wired charging |
| Inductive / wireless charging | Qi wireless charging | feature not registered |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | 72 hours (3 days) | feature not registered |
➕ Other features | ||
| Galaxy Watch (46mm SM-R805U) | LG K12+ Plus (X420BMW) | |
| 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 Sprint, T-Mobile and Verizon carriers | • Colors: Black, Moroccan Blue, Platinum Gray • 18:9 ratio FullVision display • LED notification • DTS-X Surround sound |
☢️ Radiation rate | ||
| Galaxy Watch (46mm SM-R805U) | LG K12+ Plus (X420BMW) | |
| 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 |