LG K40 (X420EM) vs Apple Watch 1 (Aluminum 42mm)
Side by side comparison between LG K40 vs Apple Watch 1 devices, differences, pros, cons and full specifications. What's the better?
,
5.7"
IPS
IPS
720x1440
16
MP
MP
8mp
2GB
RAM
RAM
Octa-core
3000
mAh
mAh
(Non removable)
vs
1.65"
AMOLED
AMOLED
390x312
N/A
512MB
RAM
RAM
Dual-core
250
mAh
mAh
(Non removable)
What's the better device? LG K40 (X420EM)
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!
23 Advantages 
8 Advantages | 7 Common items in both devices |
| 16 million |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| Li-Ion: lithium-ion (Non removable) |
| NFC |
| + 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 | ||
| LG K40 (X420EM) | Apple Watch 1 (Aluminum 42mm) | |
| Model | K40 (X420EM) | Watch 1 (Aluminum 42mm) |
| Other model names | LG K40 LMX420EM NFC Single-sim, LM-X420EM, LG-LMX420EM | Apple Watch Series 1 Aluminum 42mm A1803, iWatch S1 |
| Country or region available |  (Europe) |  (Global, International) |
| Brand | LG | Apple |
| Release date | 3/31/2019 | 9/16/2016 |
| Depth | 8.3 millimeters (0.33 inches) | 10.5 millimeters (0.41 inches) |
| Size (width x height) | 71.9 x 153 millimeters (2.83 x 6.02 in) | 36.4 x 42.5 millimeters (1.43 x 1.67 in) |
| Weight | 145 grams (5.08 ounces) | 30 grams (1.05 ounces) |
| Build, materials | Plastic body, glass front | Aluminum body, glass front, plastic composite back |
| Protection against water and others | MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. | IPX7 certified: water resistant up to 1 meter and 30min |
📲 Display | ||
| LG K40 (X420EM) | Apple Watch 1 (Aluminum 42mm) | |
| Display type | TFT IPS LCD | AMOLED |
| Screen size | 5.7" inches | 1.65" inches |
| Screen-to-body ratio | ~76.2% (screen-to-body ratio) | ~55.4% (screen-to-body ratio) |
| Display resolution | 720x1440 pixels | 390x312 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 282 PPI | 303 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Scratch-resistant glass |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| LG K40 (X420EM) | Apple Watch 1 (Aluminum 42mm) | |
| System version | Android 8.1 Oreo | WatchOS 3.0 |
| Firmware update | feature not registered | WatchOS 5.0 |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| LG K40 (X420EM) | Apple Watch 1 (Aluminum 42mm) | |
| Chipset | 64bit: MediaTek Helio P22 (MT6762) (12nm) | 32bit: Apple S1P (28nm) |
| CPU | Octa-core, 2 processors: 4x 2GHz ARM Cortex-A53 (Quad-core) 4x 1.5GHz ARM Cortex-A53 (Quad-core) | Dual-core, 1 processor: 2x 520MHz ARM Cortex-A7 (Dual-core) |
| GPU graphical controller | PowerVR GE8320 (650MHz) | PowerVR G6200 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| LG K40 (X420EM) | Apple Watch 1 (Aluminum 42mm) | |
| RAM memory | 2GB LPDDR3 | 512MB LPDDR |
| Internal storage | 32GB (20GB available) eMMC 5.1 | 8GB (5GB available) |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| LG K40 (X420EM) | Apple Watch 1 (Aluminum 42mm) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | Not supported |
| Maximum Download / Upload | 300/50 Mbps | feature not registered |
| Network technology | 2G, 3G, 4G | 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 850/900/1900/2100 | Not supported |
| Primary 4G network | LTE Cat6 (Bands 1, 3, 5, 7, 8, 20) TD-LTE (Bands 38) | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | 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 | ||
| LG K40 (X420EM) | Apple Watch 1 (Aluminum 42mm) | |
| Back camera (main camera) | 16 megapixels | Not supported |
| Main camera resolution | 4608x3456 pixels | Not supported |
| Video recording (primary) | Full HD (1920x1080) 30 fps | Not supported |
| Flash | LED flash on both cameras | Not supported |
| Focal aperture | f/2.0 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/3" inches | feature not registered |
| Pixel size | 1µm 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 | ||
| LG K40 (X420EM) | Apple Watch 1 (Aluminum 42mm) | |
| Front camera (secondary) | 8 megapixels | Not supported |
| Front camera resolution | 3264x2448 pixels | Not supported |
| Video recording (secondary) | Full HD (1920x1080) | Not supported |
| Front flash | LED | Not supported |
| Focal aperture | f/2.0 (aperture) | 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 | ||
| LG K40 (X420EM) | Apple Watch 1 (Aluminum 42mm) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | Not supported |
| Radio | Not supported | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, XviD, MKV | MP4, H.264, H.263 |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, eAAC+, FLAC |
🔌 Connectivity | ||
| LG K40 (X420EM) | Apple Watch 1 (Aluminum 42mm) | |
| 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 | 5.0 + A2DP/LE | 4.0 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Supported | Not supported |
| GPS | A-GPS, GeoTagging | Not supported |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| LG K40 (X420EM) | Apple Watch 1 (Aluminum 42mm) | |
| Sensors | Accelerometer Ambient light sensor Fingerprint sensor (rear-mounted) Proximity sensor | Accelerometer Ambient light sensor Gyroscope Heart rate Pedometer |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| LG K40 (X420EM) | Apple Watch 1 (Aluminum 42mm) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 3000 mAh | 250 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | Magnetic charging (dock) |
| Talk time autonomy | 8 hours | 18 hours |
| Standby | 100 hours (4.2 days) | feature not registered |
➕ Other features | ||
| LG K40 (X420EM) | Apple Watch 1 (Aluminum 42mm) | |
| Call control | Voice dialing, Voice recorder | Not supported |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS, E-mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Not supported |
| Ringtones | Polyphonic and customized | feature not registered |
| Web browser | HTML, XHTML, HTML5 | Not supported |
| Antenna | Internal antenna | Not supported |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black, Moroccan Blue, Platinum Gray • 18:9 ratio FullVision display • LED notification • DTS-X Surround sound | • Colors: Space gray, Gold, Rose gold, Silver • Band colors: Brown, White, Black, Blue • Sport bands • 450 nits screen • 3D Touch display • Siri • Magnetic charger • Requires an iPhone 5s/iOS 11 or later |
☢️ Radiation rate | ||
| LG K40 (X420EM) | Apple Watch 1 (Aluminum 42mm) | |
| 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 |