Nokia Lumia 520 vs LG K40 (X420EM)
Side by side comparison between Nokia Lumia 520 vs LG K40 phones, differences, pros, cons and full specifications. What's the better?
,
vs
5.7"
IPS
IPS
720x1440
16
MP
MP
8mp
2GB
RAM
RAM
Octa-core
3000
mAh
mAh
(Non removable)
What's the better phone? 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!
5 Advantages 
26 Advantages | 17 Common items in both devices |
| TFT IPS LCD |
| 16 million |
| Only digital zoom |
| Autofocus / PDAF: phase detection autofocus |
| Capacitive |
| Multitouch |
| Accelerometer |
| +10 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 | ||
| Nokia Lumia 520 | LG K40 (X420EM) | |
| Change model | ||
| Model | Lumia 520 | K40 (X420EM) |
| Other model names | Nokia Lumia 520 RM-914, Nokia Lumia 520.2 RM-915 | LG K40 LMX420EM NFC Single-sim, LM-X420EM, LG-LMX420EM |
| Country or region available |  (Global, International) |  (Europe) |
| Brand | Nokia | LG |
| Release date | 3/1/2013 | 3/31/2019 |
| Depth | 9.9 millimeters (0.39 inches) | 8.3 millimeters (0.33 inches) |
| Size (width x height) | 64 x 119.9 millimeters (2.52 x 4.72 in) | 71.9 x 153 millimeters (2.83 x 6.02 in) |
| Weight | 124 grams (4.34 ounces) | 145 grams (5.08 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 | ||
| Nokia Lumia 520 | LG K40 (X420EM) | |
| Display type | TFT IPS LCD | TFT IPS LCD |
| Screen size | 4" inches | 5.7" inches |
| Screen-to-body ratio | ~59.3% (screen-to-body ratio) | ~76.2% (screen-to-body ratio) |
| Display resolution | 480x800 pixels | 720x1440 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 233 PPI | 282 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Scratch-resistant glass | Not supported |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| Nokia Lumia 520 | LG K40 (X420EM) | |
| System version | Windows Phone 8.0 Apollo | Android 8.1 Oreo |
| Firmware update | Windows Phone 8.0 Amber | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Nokia Lumia 520 | LG K40 (X420EM) | |
| Chipset | 32bit: Qualcomm Snapdragon S4 Plus MSM8227 | 64bit: MediaTek Helio P22 (MT6762) (12nm) |
| CPU | Dual-core, 1 processor: 2x 1GHz Krait (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 305 | PowerVR GE8320 (650MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Nokia Lumia 520 | LG K40 (X420EM) | |
| RAM memory | 512MB LPDDR2 | 2GB LPDDR3 |
| Internal storage | 8GB (5GB available) | 32GB (20GB available) eMMC 5.1 |
| External storage | Until 64GB microSD, microSDXC (dedicated slot) | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Nokia Lumia 520 | LG K40 (X420EM) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) micro-SIM (3FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 21/5.76 Mbps | 300/50 Mbps |
| Network technology | 2G, 3G | 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 | RM-915 model: UMTS 850/1900/2100 RM-917 model: UMTS 850/1700/1900/2100 | UMTS 850/900/1900/2100 |
| Primary 4G network | Not supported | LTE Cat6 (Bands 1, 3, 5, 7, 8, 20) TD-LTE (Bands 38) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| 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 | ||
| Nokia Lumia 520 | LG K40 (X420EM) | |
| Back camera (main camera) | 5 megapixels | 16 megapixels |
| Main camera resolution | 2592x1936 pixels | 4608x3456 pixels |
| Video recording (primary) | HD (1280x720) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | Not supported | LED flash on both cameras |
| Focal aperture | f/2.4 (aperture) | f/2.0 (aperture) |
| Focal length | 28mm (lens) | feature not registered |
| Sensor size | 1/4" inches | 1/3" inches |
| Pixel size | feature not registered | 1µm pixel |
| Autofocus | Autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | Not supported | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection | 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 | ||
| Nokia Lumia 520 | LG K40 (X420EM) | |
| 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 | ||
| Nokia Lumia 520 | LG K40 (X420EM) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, WMV | MP4, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+ | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Nokia Lumia 520 | LG K40 (X420EM) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 3.0 + A2DP | 5.0 + A2DP/LE |
| WiFi | 802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz) WiFi Direct, hotspot | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Nokia Lumia 520 | LG K40 (X420EM) | |
| Sensors | Accelerometer Ambient light sensor Compass Proximity sensor | Accelerometer Ambient light sensor Fingerprint sensor (rear-mounted) Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Nokia Lumia 520 | LG K40 (X420EM) | |
| Battery type | Li-Ion: lithium-ion (Removable) BL-5J | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 1430 mAh | 3000 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 9.7 hours | 8 hours |
| Standby | 360 hours (15 days) | 100 hours (4.2 days) |
➕ Other features | ||
| Nokia Lumia 520 | LG K40 (X420EM) | |
| 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 | HTML, XHTML, HTML5 | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Red, Yellow, Cyan, White on black • Nokia ClearBlack Display • 7GB free SkyDrive storage | • Colors: Black, Moroccan Blue, Platinum Gray • 18:9 ratio FullVision display • LED notification • DTS-X Surround sound |
☢️ Radiation rate | ||
| Nokia Lumia 520 | LG K40 (X420EM) | |
| 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 |