LG Connect 4G (MS840) vs LG K42 (K420YMW)
Side by side comparison between LG Connect 4G vs LG K42 phones, differences, pros, cons and full specifications. What's the better?
,
vs
6.6"
IPS
IPS
720x1600
13
MP
MP
8mp
3GB
RAM
RAM
Octa-core
4000
mAh
mAh
(Non removable)
What's the better phone? LG K42 (K420YMW)
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!
2 Advantages 
26 Advantages | 13 Common items in both devices |
| LED flash |
| Only digital zoom |
| Autofocus / PDAF: phase detection autofocus |
| 4G LTE |
| Capacitive |
| Multitouch |
| Accelerometer |
| +6 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 Connect 4G (MS840) | LG K42 (K420YMW) | |
| Change model | ||
| Model | Connect 4G (MS840) | K42 (K420YMW) |
| Other model names | MetroPCS LG Connect 4G, LG MS840 for MetroPCS, LG Cayman | LG K42 LMK420YMW, LM-K420YMW Dual-SIM |
| Country or region available |  USA |      (Global, International), United Arab Emirates, India, Israel, Taiwan |
| Brand | LG | LG |
| Release date | 3/3/2012 | 9/21/2020 |
| Depth | 11.7 millimeters (0.46 inches) | 8.4 millimeters (0.33 inches) |
| Size (width x height) | 62 x 117 millimeters (2.44 x 4.61 in) | 76.7 x 165 millimeters (3.02 x 6.5 in) |
| Weight | 137 grams (4.8 ounces) | 184 grams (6.44 ounces) |
| Build, materials | feature not registered | Plastic body, glass front |
| Protection against water and others | Not supported | MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. |
📲 Display | ||
| LG Connect 4G (MS840) | LG K42 (K420YMW) | |
| Display type | TFT LCD | TFT IPS LCD |
| Screen size | 4" inches | 6.6" inches |
| Screen-to-body ratio | ~61.3% (screen-to-body ratio) | ~83.1% (screen-to-body ratio) |
| Display resolution | 480x840 pixels | 720x1600 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 242 PPI | 266 PPI |
| Colors | 260 thousand | 16 million |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | Not supported |
🤖 Operating System | ||
| LG Connect 4G (MS840) | LG K42 (K420YMW) | |
| System version | Android 2.3.5 Gingerbread | Android 10 |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| LG Connect 4G (MS840) | LG K42 (K420YMW) | |
| Chipset | 32bit: Qualcomm Snapdragon MSM8660 | 64bit: MediaTek Helio P22 (MT6762) (12nm) |
| CPU | Dual-core, 1 processor: 2x 1.2GHz Scorpion (Dual-core) | Octa-core, 2 processors: 4x 2GHz ARM Cortex-A53 (Quad-core) 4x 1.5GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 220 | PowerVR GE8320 (650MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| LG Connect 4G (MS840) | LG K42 (K420YMW) | |
| RAM memory | 1GB LPDDR2 | 3GB LPDDR4X |
| Internal storage | 4GB (1.88GB available) | 64GB (45GB available) eMMC 5.1 |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| LG Connect 4G (MS840) | LG K42 (K420YMW) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 1 slot (Single-SIM) Standard mini-SIM (2FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 100/50 Mbps | 150/50 Mbps |
| Network technology | 2G, 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 | CDMA 800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO | UMTS 850/900/1900/2100 |
| Primary 4G network | LTE 1700/2100 | LTE Cat4 (1, 3, 5, 7, 8, 20, 28) TD-LTE (38, 39, 40) VoLTE |
| Primary 5G network | Not supported | Not supported |
| Primary data network | CDMA2000 EV-DO Rev A, LTE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE |
| 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 | ||
| LG Connect 4G (MS840) | LG K42 (K420YMW) | |
| Back camera (main camera) | 5 megapixels | (quad camera) 13 megapixels 5MP ultrawide f/2.2115°1/5.0"1.12µm 2MP macro f/2.41.75μm 2MP depth f/2.41.75μm |
| Main camera resolution | 2592x1944 pixels | 4128x3096 pixels |
| Video recording (primary) | HD (1280x720) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | feature not registered | f/1.8 (aperture) |
| Focal length | feature not registered | 27mm lens |
| Sensor size | feature not registered | 1/3.1" inches |
| Pixel size | feature not registered | 1.12µm pixel |
| Autofocus | Autofocus | PDAF: phase detection autofocus |
| Touch focus | feature not registered | Supported |
| Image stabilization | feature not registered | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | feature not registered | Face detection, Smile detection |
| BSI sensor | feature not registered | Not supported |
| HDR | feature not registered | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| LG Connect 4G (MS840) | LG K42 (K420YMW) | |
| Front camera (secondary) | 0.3 megapixels | 8 megapixels |
| Front camera resolution | 640x480 pixels | 3264x2448 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 | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
🔉 Sound and multimedia | ||
| LG Connect 4G (MS840) | LG K42 (K420YMW) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | feature not registered | 2 microphones or more |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, eAAC+ | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| LG Connect 4G (MS840) | LG K42 (K420YMW) | |
| USB | MicroUSB 2.0 | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | USB Type-C (reversible) |
| Bluetooth | 3.0 + A2DP | 5.0 + A2DP/LE |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
| DLNA | feature not registered | Not supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging |
| NFC | Not supported | Supported |
| Infrared port | feature not registered | Not supported |
🧭 Sensors | ||
| LG Connect 4G (MS840) | LG K42 (K420YMW) | |
| Sensors | Accelerometer Ambient light sensor Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| LG Connect 4G (MS840) | LG K42 (K420YMW) | |
| Battery type | Li-Ion: lithium-ion (Removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 1540 mAh | 4000 mAh |
| Charger, watts | Wired charging | 10W (5V/2A) Wired charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | 4.5 hours | 16 hours |
| Standby | 250 hours (10.4 days) | 180 hours (7.5 days) |
➕ Other features | ||
| LG Connect 4G (MS840) | LG K42 (K420YMW) | |
| Call control | Voice dialing, Voice recorder, Voice commands | 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 | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, Flash player | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black • 2GB microSD included • DLNA • HAC (M4/T4) • Java framework | • Colors: Titan, Green, Red • Silicon case included • LG 3D Sound Engine |
☢️ Radiation rate | ||
| LG Connect 4G (MS840) | LG K42 (K420YMW) | |
| 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 |