LG K40 (X420ZM) vs Samsung Galaxy S6 Edge (SM-G925A 64GB)
Side by side comparison between LG K40 vs Samsung Galaxy S6 Edge phones, 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
5.1"
AMOLED
AMOLED
1440x2560
16
MP
MP
5mp
3GB
RAM
RAM
Octa-core
2600
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy S6 Edge (SM-G925A 64GB)
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!
10 Advantages 
23 Advantages | 19 Common items in both devices |
| 16 million |
| (back) 16MP |
| Only digital zoom |
| PDAF: phase detection autofocus / Autofocus |
| HDR photo on both cameras / HDR photo/video on both cameras |
| 4G LTE-A |
| 300 Mbps |
| +12 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) | Galaxy S6 Edge (SM-G925A 64GB) | |
| Model | K40 (X420ZM) | Galaxy S6 Edge (SM-G925A 64GB) |
| Other model names | LG K40 LMX420ZM, LM-X420ZM, LG-LMX420ZM | AT&T Galaxy S6 Edge G925A, Samsung Zero |
| Country or region available |  South Africa |  USA |
| Brand | LG | Samsung |
| Release date | 3/31/2019 | 4/10/2015 |
| Depth | 8.3 millimeters (0.33 inches) | 7 millimeters (0.28 inches) |
| Size (width x height) | 71.9 x 153 millimeters (2.83 x 6.02 in) | 70.1 x 142.1 millimeters (2.76 x 5.59 in) |
| Weight | 150 grams (5.25 ounces) | 132 grams (4.62 ounces) |
| Build, materials | Plastic body, glass front | Aluminum frame, glass front/back |
| Protection against water and others | MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. | Not supported |
📲 Display | ||
| LG K40 (X420ZM) | Galaxy S6 Edge (SM-G925A 64GB) | |
| Display type | TFT IPS LCD | Super AMOLED |
| Screen size | 5.7" inches | 5.1" inches |
| Screen-to-body ratio | ~76.2% (screen-to-body ratio) | ~72% (screen-to-body ratio) |
| Display resolution | 720x1440 pixels | 1440x2560 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 282 PPI | 576 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 4 |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| LG K40 (X420ZM) | Galaxy S6 Edge (SM-G925A 64GB) | |
| System version | Android 8.1 Oreo | Android 5.0.2 Lollipop |
| Firmware update | feature not registered | Android 7.0 Nougat |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| LG K40 (X420ZM) | Galaxy S6 Edge (SM-G925A 64GB) | |
| Chipset | 64bit: MediaTek Helio P22 (MT6762) (12nm) | 64bit: Samsung Exynos 7 Octa 7420 (14nm) |
| CPU | Octa-core, 2 processors: 4x 2GHz ARM Cortex-A53 (Quad-core) 4x 1.5GHz ARM Cortex-A53 (Quad-core) | Octa-core, 2 processors: 4x 2.1GHz ARM Cortex-A57 (Quad-core) 4x 1.5GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | PowerVR GE8320 (650MHz) | ARM Mali-T760 MP8 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| LG K40 (X420ZM) | Galaxy S6 Edge (SM-G925A 64GB) | |
| RAM memory | 2GB LPDDR3 | 3GB LPDDR4 |
| Internal storage | 32GB (20GB available) eMMC 5.1 | 64GB (55GB available) UFS 2.0 |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| LG K40 (X420ZM) | Galaxy S6 Edge (SM-G925A 64GB) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 300/50 Mbps | 300/50 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 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat6 (Bands 1, 3, 5, 7, 8, 20) TD-LTE (Bands 38, 40) | LTE Cat6 (Bands 1, 2, 3, 4, 5, 7, 8, 12, 17) |
| 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+, 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 | ||
| LG K40 (X420ZM) | Galaxy S6 Edge (SM-G925A 64GB) | |
| Back camera (main camera) | 16 megapixels | 16 megapixels |
| Main camera resolution | 4608x3456 pixels | 5312x2988 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash on both cameras | LED flash |
| Focal aperture | f/2.0 (aperture) | f/1.9 (aperture) |
| Focal length | feature not registered | 28mm lens |
| Sensor size | 1/3" inches | 1/2.6" inches |
| Pixel size | 1µm pixel | 1.12µm pixel |
| Autofocus | PDAF: phase detection autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | OIS: Optical stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Supported |
| HDR | HDR photo on both cameras | HDR photo/video on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| LG K40 (X420ZM) | Galaxy S6 Edge (SM-G925A 64GB) | |
| Front camera (secondary) | 8 megapixels | 5 megapixels |
| Front camera resolution | 3264x2448 pixels | 2592x1944 pixels |
| Video recording (secondary) | Full HD (1920x1080) | 2K UHD (2560x1440) |
| Front flash | LED | Not supported |
| Focal aperture | f/2.0 (aperture) | f/1.9 (aperture) |
| Focal length | feature not registered | 22mm lens |
| Sensor size | feature not registered | 1/4.1" inches |
| Pixel size | feature not registered | 1.34µm pixel |
🔉 Sound and multimedia | ||
| LG K40 (X420ZM) | Galaxy S6 Edge (SM-G925A 64GB) | |
| 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, XviD, MKV | MP4, H.264, H.263, DivX, XviD, WMV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| LG K40 (X420ZM) | Galaxy S6 Edge (SM-G925A 64GB) | |
| USB | MicroUSB 2.0, USB OTG On-The-Go | MicroUSB 2.0, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 5.0 + A2DP/LE | 4.1 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Supported |
🧭 Sensors | ||
| LG K40 (X420ZM) | Galaxy S6 Edge (SM-G925A 64GB) | |
| Sensors | Accelerometer Ambient light sensor Fingerprint sensor (rear-mounted) Proximity sensor | Accelerometer Ambient light sensor ANT+ Barometer Compass Fingerprint sensor (front-mounted) Gyroscope Hall effect Heart rate Proximity sensor SpO2 |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| LG K40 (X420ZM) | Galaxy S6 Edge (SM-G925A 64GB) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 3000 mAh | 2600 mAh |
| Charger, watts | Wired charging | 15W Wired fast charging |
| Inductive / wireless charging | feature not registered | Qi wireless charging (Qi/PMA) |
| Talk time autonomy | 8 hours | 18 hours |
| Standby | 100 hours (4.2 days) | feature not registered |
➕ Other features | ||
| LG K40 (X420ZM) | Galaxy S6 Edge (SM-G925A 64GB) | |
| Call control | Voice dialing, Voice recorder | 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, HTML5 | HTML, XHTML, HTML5 |
| 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: Black, Green, White, Gold • Gorilla Glass 4 back panel • Samsung Pay (Visa, MasterCard) • S-Voice natural language • OneDrive 115GB • ANT+ |
☢️ Radiation rate | ||
| LG K40 (X420ZM) | Galaxy S6 Edge (SM-G925A 64GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.55W/kg (head), 1.25W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.328W/kg (head), 0.293W/kg (body) |