LG K40 (X420HM) vs Samsung Galaxy S7 (SM-G930P)
Side by side comparison between LG K40 vs Samsung Galaxy S7 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
12.2
MP
MP
5mp
4GB
RAM
RAM
Quad-core
3000
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy S7 (SM-G930P)
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!
11 Advantages 
23 Advantages | 18 Common items in both devices |
| 16 million |
| Only digital zoom |
| PDAF: phase detection autofocus |
| HDR photo on both cameras / HDR photo/video on both cameras |
| 4G LTE-A |
| Capacitive |
| Multitouch |
| +11 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 (X420HM) | Galaxy S7 (SM-G930P) | |
| Model | K40 (X420HM) | Galaxy S7 (SM-G930P) |
| Other model names | LG K40 LMX420HM, LM-X420HM, LG-LMX420HM | Sprint Galaxy S7 G930P (Boost/Virgin Mobile), Samsung Hero |
| Country or region available |   (Latin America), Colombia |  USA |
| Brand | LG | Samsung |
| Release date | 3/31/2019 | 3/11/2016, Announced: 2/21/2016 |
| Depth | 8.3 millimeters (0.33 inches) | 7.9 millimeters (0.31 inches) |
| Size (width x height) | 71.9 x 153 millimeters (2.83 x 6.02 in) | 69.6 x 142.4 millimeters (2.74 x 5.61 in) |
| Weight | 150 grams (5.25 ounces) | 152 grams (5.32 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. | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant |
📲 Display | ||
| LG K40 (X420HM) | Galaxy S7 (SM-G930P) | |
| 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) | ~72.3% (screen-to-body ratio) |
| Display resolution | 720x1440 pixels | 1440x2560 pixels (16:9) |
| 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 | 60Hz |
| Display features | feature not registered | Not supported |
🤖 Operating System | ||
| LG K40 (X420HM) | Galaxy S7 (SM-G930P) | |
| System version | Android 8.1 Oreo | Android 6.0.1 Marshmallow |
| Firmware update | feature not registered | Android 8.0 Oreo |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| LG K40 (X420HM) | Galaxy S7 (SM-G930P) | |
| Chipset | 64bit: MediaTek Helio P22 (MT6762) (12nm) | 64bit: Qualcomm Snapdragon 820 (MSM8996) (14nm) |
| CPU | Octa-core, 2 processors: 4x 2GHz ARM Cortex-A53 (Quad-core) 4x 1.5GHz ARM Cortex-A53 (Quad-core) | Quad-core, 2 processors: 2x 2.15GHz Kryo (Dual-core) 2x 1.6GHz Kryo (Dual-core) |
| GPU graphical controller | PowerVR GE8320 (650MHz) | Qualcomm Adreno 530 (624MHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 128363 (v6) |
💽 Memory and storage | ||
| LG K40 (X420HM) | Galaxy S7 (SM-G930P) | |
| RAM memory | 2GB LPDDR3 | 4GB LPDDR4 |
| Internal storage | 32GB (20GB available) eMMC 5.1 | 32GB (22GB available) UFS 2.0 |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Until 256GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| LG K40 (X420HM) | Galaxy S7 (SM-G930P) | |
| 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 | 450/50 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 | CDMA 800/1900, GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1700/1900/2100 | CDMA2000 1xEV-DO, UMTS 850/900/1900/2100 |
| Primary 4G network | LTE Cat6 (Bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 28, 66) | LTE Cat9 (Bands 2, 4, 5, 12, 13, 25, 26) TD-LTE (Bands 41) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A | GPRS, EDGE, CDMA2000 EV-DO Rev A, 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 | ||
| LG K40 (X420HM) | Galaxy S7 (SM-G930P) | |
| Back camera (main camera) | 16 megapixels | 12.2 megapixels |
| Main camera resolution | 4608x3456 pixels | 4032x3024 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/1.7 (aperture) |
| Focal length | feature not registered | 26mm lens |
| Sensor size | 1/3" inches | 1/2.55" inches |
| Pixel size | 1µm pixel | 1.4µm pixel |
| Autofocus | PDAF: phase detection autofocus | PDAF: phase detection 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 (X420HM) | Galaxy S7 (SM-G930P) | |
| 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/1.7 (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 (X420HM) | Galaxy S7 (SM-G930P) | |
| 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 (X420HM) | Galaxy S7 (SM-G930P) | |
| 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 | Micro-B USB MHL |
| 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 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 | Not supported |
🧭 Sensors | ||
| LG K40 (X420HM) | Galaxy S7 (SM-G930P) | |
| 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 (X420HM) | Galaxy S7 (SM-G930P) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 3000 mAh | 3000 mAh |
| Charger, watts | Wired charging | 15W Wired fast charging Quick Charge 2 |
| Inductive / wireless charging | feature not registered | Qi wireless charging (Qi/PMA) |
| Talk time autonomy | 8 hours | 28 hours (1.2 days) |
| Standby | 100 hours (4.2 days) | 288 hours (12 days) |
➕ Other features | ||
| LG K40 (X420HM) | Galaxy S7 (SM-G930P) | |
| 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, White, Gold, Silver • Corning Gorilla Glass back panel • Samsung Gear VR compatible • Fast battery charging: 83% in 30min • OneDrive 115GB • Samsung Pay (Visa, MasterCard) |
☢️ Radiation rate | ||
| LG K40 (X420HM) | Galaxy S7 (SM-G930P) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 1.24W/kg (head), 1.59W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |