Samsung Duos B5722 vs LG K42 (K420EMW)
Side by side comparison between Samsung Duos B5722 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 (K420EMW)
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!
3 Advantages 
28 Advantages | 6 Common items in both devices |
| LED flash |
| Capacitive |
| Hands-free calling |
| Vibrating alert |
| 2 slots (Dual-SIM) |
| USB 2.0 proprietary connector / USB 2.0 Type-C, USB OTG On-The-Go |
| + 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 | ||
| Samsung Duos B5722 | LG K42 (K420EMW) | |
| Change model | ||
| Model | Duos B5722 | K42 (K420EMW) |
| Other model names | Samsung B5722 Duos, GT-B5722, GT-B5722C | LG K42 LMK420EMW, LM-K420EMW Dual-SIM NFC |
| Country or region available | feature not registered |  (Europe) |
| Brand | Samsung | LG |
| Release date | 12/1/2009 | 9/21/2020 |
| Depth | 14.4 millimeters (0.57 inches) | 8.4 millimeters (0.33 inches) |
| Size (width x height) | 54.9 x 104 millimeters (2.16 x 4.09 in) | 76.7 x 165 millimeters (3.02 x 6.5 in) |
| Weight | 105 grams (3.68 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 | ||
| Samsung Duos B5722 | LG K42 (K420EMW) | |
| Display type | TFT LCD | TFT IPS LCD |
| Screen size | 2.8" inches | 6.6" inches |
| Screen-to-body ratio | ~42.5% (screen-to-body ratio) | ~83.1% (screen-to-body ratio) |
| Display resolution | 240x320 pixels | 720x1600 pixels (20:9) |
| Touchscreen | Capacitive Single touch 1-point | Capacitive Multitouch |
| Pixel density (dot pitch) | 143 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 | ||
| Samsung Duos B5722 | LG K42 (K420EMW) | |
| System version | Proprietary OS | Android 10 |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Samsung Duos B5722 | LG K42 (K420EMW) | |
| Chipset | 32bit | 64bit: MediaTek Helio P22 (MT6762) (12nm) |
| CPU | Single-core, 1 processor: Single-core | Octa-core, 2 processors: 4x 2GHz ARM Cortex-A53 (Quad-core) 4x 1.5GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | feature not registered | PowerVR GE8320 (650MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Samsung Duos B5722 | LG K42 (K420EMW) | |
| RAM memory | feature not registered | 3GB LPDDR4X |
| Internal storage | 30MB | 64GB (45GB available) eMMC 5.1 |
| External storage | Until 8GB microSD (dedicated slot) | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Samsung Duos B5722 | LG K42 (K420EMW) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 2 slots (Dual-SIM) Standard mini-SIM (2FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 0.236 Mbps | 150/50 Mbps |
| Network technology | 2G | 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 | Not supported | UMTS 850/900/1900/2100 |
| Primary 4G network | Not supported | LTE Cat4 (1, 3, 7, 8, 20, 28) TD-LTE (38) VoLTE |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE |
| Secondary 2G network | GSM 900/1800 | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS | GPRS, EDGE |
📷 Camera | ||
| Samsung Duos B5722 | LG K42 (K420EMW) | |
| Back camera (main camera) | 3.1 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 | 2048x1536 pixels | 4128x3096 pixels |
| Video recording (primary) | QVGA (320x240) 15 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 | Not supported | PDAF: phase detection autofocus |
| Touch focus | feature not registered | Supported |
| Image stabilization | feature not registered | EIS: Digital stabilization |
| Zoom | Not supported | 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 | ||
| Samsung Duos B5722 | LG K42 (K420EMW) | |
| 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 | 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 | ||
| Samsung Duos B5722 | LG K42 (K420EMW) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | feature not registered | 2 microphones or more |
| Radio | FM (RDS) | Not supported |
| 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, WMA, eAAC+ | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Samsung Duos B5722 | LG K42 (K420EMW) | |
| USB | USB 2.0 proprietary connector | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | proprietary audio output | 3.5mm jack |
| TV output | Not supported | USB Type-C (reversible) |
| Bluetooth | 2.1 + A2DP | 5.0 + A2DP/LE |
| WiFi | Not supported | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
| DLNA | feature not registered | Not supported |
| GPS | Not supported | A-GPS, GeoTagging |
| NFC | Not supported | Supported |
| Infrared port | feature not registered | Not supported |
🧭 Sensors | ||
| Samsung Duos B5722 | LG K42 (K420EMW) | |
| Sensors | Not supported | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (side-mounted) Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Samsung Duos B5722 | LG K42 (K420EMW) | |
| Battery type | Li-Ion: lithium-ion (Removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 1200 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 | 400 hours (16.7 days) | 180 hours (7.5 days) |
➕ Other features | ||
| Samsung Duos B5722 | LG K42 (K420EMW) | |
| Call control | Voice recorder | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS, MMS, E-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 | HTML, XHTML | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black, Dark Brown, Elegant Pink • Samsung TouchWiz Lite v1.0 • DNSe (Digital Natural Sound Engine) • Java framework | • Colors: Titan, Green, Red • Silicon case included • LG 3D Sound Engine |
☢️ Radiation rate | ||
| Samsung Duos B5722 | LG K42 (K420EMW) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.77W/kg (head), 0.69W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.685W/kg (head) | feature not registered |