LG K40 (X420ZM) vs Apple Watch 3 (Hermès 42mm)
Side by side comparison between LG K40 vs Apple Watch 3 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
768MB
RAM
RAM
Dual-core
352
mAh
mAh
(Non removable)
What's the better device? LG K40 (X420ZM)
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!
20 Advantages 
11 Advantages | 8 Common items in both devices |
| 16 million |
| 4G LTE-A / 4G LTE |
| 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 | ||
| LG K40 (X420ZM) | Apple Watch 3 (Hermès 42mm) | |
| Model | K40 (X420ZM) | Watch 3 (Hermès 42mm) |
| Other model names | LG K40 LMX420ZM, LM-X420ZM, LG-LMX420ZM | Apple Watch Hermes Series 3 (GPS + Cellular) Stainless Steel |
| Country or region available |  South Africa |  (Global, International) |
| Brand | LG | Apple |
| Release date | 3/31/2019 | 9/22/2017 |
| Depth | 8.3 millimeters (0.33 inches) | 11.4 millimeters (0.45 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 | 150 grams (5.25 ounces) | 53 grams (1.86 ounces) |
| Build, materials | Plastic body, glass front | Stainless steel body, glass front, ceramic back |
| Protection against water and others | MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. | 5 ATM: 50 meters waterproof |
📲 Display | ||
| LG K40 (X420ZM) | Apple Watch 3 (Hermès 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 | Sapphire Glass |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| LG K40 (X420ZM) | Apple Watch 3 (Hermès 42mm) | |
| System version | Android 8.1 Oreo | WatchOS 4.0 |
| Firmware update | feature not registered | WatchOS 5.0 |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| LG K40 (X420ZM) | Apple Watch 3 (Hermès 42mm) | |
| Chipset | 64bit: MediaTek Helio P22 (MT6762) (12nm) | 32bit: Apple S3 (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 1GHz 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 (X420ZM) | Apple Watch 3 (Hermès 42mm) | |
| RAM memory | 2GB LPDDR3 | 768MB LPDDR4 |
| Internal storage | 32GB (20GB available) eMMC 5.1 | 16GB (10GB available) |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| LG K40 (X420ZM) | Apple Watch 3 (Hermès 42mm) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) e-SIM (Eletronic) |
| Maximum Download / Upload | 300/50 Mbps | 150/50 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1900/2100 | A1891 model (Europe,Australia): UMTS 800/850/900/2100 A1861 model (USA,LATAM,Canada): UMTS 800/850/1700/1900 A1892 model (China): UMTS 2100 |
| Primary 4G network | LTE Cat6 (Bands 1, 3, 5, 7, 8, 20) TD-LTE (Bands 38, 40) | LTE Cat4 A1891 model (Europe,Australia): LTE (Bands 1,3,5,7,8,18,19,20,26) A1861 model (USA,LATAM,Canada): LTE (Bands 2,4,5,12,13,17,18,19,25,26) TD-LTE (Bands 41) A1892 model (China): LTE (Bands 1,3) TD-LTE (Bands 39,40,41) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE |
| 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 (X420ZM) | Apple Watch 3 (Hermès 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 (X420ZM) | Apple Watch 3 (Hermès 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 (X420ZM) | Apple Watch 3 (Hermès 42mm) | |
| 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, H.264, H.263 |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, eAAC+, FLAC |
🔌 Connectivity | ||
| LG K40 (X420ZM) | Apple Watch 3 (Hermès 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 | 4.2 + 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 | Not supported | Not supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| LG K40 (X420ZM) | Apple Watch 3 (Hermès 42mm) | |
| Sensors | Accelerometer Ambient light sensor Fingerprint sensor (rear-mounted) Proximity sensor | Accelerometer Ambient light sensor Barometer Gyroscope Heart rate Pedometer |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| LG K40 (X420ZM) | Apple Watch 3 (Hermès 42mm) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 3000 mAh | 352 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 (X420ZM) | Apple Watch 3 (Hermès 42mm) | |
| Call control | Voice dialing, Voice recorder | Voice dialing |
| 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 | 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, Moroccan Blue, Platinum Gray • 18:9 ratio FullVision display • LED notification • DTS-X Surround sound | • Colors: Silver • Leather bands (Hermes edition) • 1000 nits screen • 3D Touch display • Siri |
☢️ Radiation rate | ||
| LG K40 (X420ZM) | Apple Watch 3 (Hermès 42mm) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.35W/kg (head), 0.18W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |