LG X400 (K121K) vs Samsung Galaxy S7 (SM-G930L)
Side by side comparison between LG X400 vs Samsung Galaxy S7 phones, differences, pros, cons and full specifications. What's the better?
,
5.3"
IPS
IPS
720x1280
13
MP
MP
5mp
2GB
RAM
RAM
Octa-core
2800
mAh
mAh
(Removable)
vs
5.1"
AMOLED
AMOLED
1440x2560
12.2
MP
MP
5mp
4GB
RAM
RAM
Octa-core
3000
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy S7 (SM-G930L)
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 
24 Advantages | 23 Common items in both devices |
| 32GB (22GB available) |
| Until 256GB microSD, microSDXC |
| 16 million |
| LED flash |
| Only digital zoom |
| Autofocus / PDAF: phase detection autofocus |
| (front) 5MP |
| +16 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 X400 (K121K) | Galaxy S7 (SM-G930L) | |
| Model | X400 (K121K) | Galaxy S7 (SM-G930L) |
| Other model names | KT LG X400, LGM-K121K, LGMK121K (Korea Telecom) | LG U+ Galaxy S7 G930S (LG Uplus), Samsung Hero |
| Country or region available |  South Korea | South Korea |
| Brand | LG | Samsung |
| Release date | 2/1/2017 | 3/11/2016, Announced: 2/21/2016 |
| Depth | 8 millimeters (0.31 inches) | 7.9 millimeters (0.31 inches) |
| Size (width x height) | 75.29 x 148.7 millimeters (2.96 x 5.85 in) | 69.6 x 142.4 millimeters (2.74 x 5.61 in) |
| Weight | 142 grams (4.97 ounces) | 152 grams (5.32 ounces) |
| Build, materials | Plastic body, glass front | Aluminum frame, glass front/back |
| Protection against water and others | Not supported | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant |
📲 Display | ||
| LG X400 (K121K) | Galaxy S7 (SM-G930L) | |
| Display type | TFT IPS LCD | Super AMOLED |
| Screen size | 5.3" inches | 5.1" inches |
| Screen-to-body ratio | ~69.2% (screen-to-body ratio) | ~72.3% (screen-to-body ratio) |
| Display resolution | 720x1280 pixels | 1440x2560 pixels (16:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 277 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 X400 (K121K) | Galaxy S7 (SM-G930L) | |
| System version | Android 7.0 Nougat | Android 6.0.1 Marshmallow |
| Firmware update | Android 8.0 Oreo | Android 8.0 Oreo |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| LG X400 (K121K) | Galaxy S7 (SM-G930L) | |
| Chipset | 64bit: MediaTek MT6750 (28nm) | 64bit: Samsung Exynos 8890 (14nm) |
| CPU | Octa-core, 2 processors: 4x 1.5GHz ARM Cortex-A53 (Quad-core) 4x 1GHz ARM Cortex-A53 (Quad-core) | Octa-core, 2 processors: 4x 2.3GHz M1 Mongoose (Quad-core) 4x 1.6GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | ARM Mali-T860 MP2 520Mhz | ARM Mali-T880 MP12 (650MHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 80582 (v5), 175184 (v8) |
💽 Memory and storage | ||
| LG X400 (K121K) | Galaxy S7 (SM-G930L) | |
| RAM memory | 2GB LPDDR3 | 4GB LPDDR4 |
| Internal storage | 32GB (22GB available) | 32GB (22GB available) UFS 2.0 |
| External storage | Until 256GB microSD, microSDXC (dedicated slot) | Until 256GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| LG X400 (K121K) | Galaxy S7 (SM-G930L) | |
| 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 | Tri-Band 900/1800/1900 | Tri-Band 900/1800/1900 |
| Primary 2G network | GSM 900/1800/1900 | GSM 900/1800/1900 |
| Primary 3G network | UMTS 2100 | TD-SCDMA 1900/2000 UMTS 850/1900/2100 |
| Primary 4G network | LTE Cat6 850/900/1800/2100/2600 (Bands 1,3,5,7,8) VoLTE | LTE Cat9 (Bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28) TD-LTE (Bands 38, 39, 40, 41) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A | GPRS, EDGE, TD-SCDMA, UMTS, TD-HSDPA, 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 X400 (K121K) | Galaxy S7 (SM-G930L) | |
| Back camera (main camera) | 13 megapixels | 12.2 megapixels |
| Main camera resolution | 4160x3120 pixels | 4032x3024 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/2.2 (aperture) | f/1.7 (aperture) |
| Focal length | feature not registered | 26mm lens |
| Sensor size | 1/3" inches | 1/2.55" inches |
| Pixel size | 1.12µm pixel | 1.4µm pixel |
| Autofocus | 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 only main camera | HDR photo/video on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| LG X400 (K121K) | Galaxy S7 (SM-G930L) | |
| Front camera (secondary) | 5 megapixels | 5 megapixels |
| Front camera resolution | 2560x1920 pixels | 2592x1944 pixels |
| Video recording (secondary) | Full HD (1920x1080) | 2K UHD (2560x1440) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.4 (aperture) | f/1.7 (aperture) |
| Focal length | feature not registered | 22mm lens |
| Sensor size | 1/5" inches | 1/4.1" inches |
| Pixel size | 1.12µm pixel | 1.34µm pixel |
🔉 Sound and multimedia | ||
| LG X400 (K121K) | Galaxy S7 (SM-G930L) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM (RDS) | Not supported |
| TV | Digital TV | Digital TV |
| 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 X400 (K121K) | Galaxy S7 (SM-G930L) | |
| 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 | 4.2 + A2DP | 4.2 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) 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, GLONASS | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| LG X400 (K121K) | Galaxy S7 (SM-G930L) | |
| Sensors | Accelerometer Ambient light sensor Compass 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 X400 (K121K) | Galaxy S7 (SM-G930L) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 2800 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 | 9 hours | 28 hours (1.2 days) |
| Standby | 390 hours (16.3 days) | 288 hours (12 days) |
➕ Other features | ||
| LG X400 (K121K) | Galaxy S7 (SM-G930L) | |
| 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, Gold • 2.5D Arc Glass screen • LG UX 5.0 • Wide-angle 120° front camera • KnockOn, Knock Code • DMB-TV (Korea) | • 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 X400 (K121K) | Galaxy S7 (SM-G930L) | |
| 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 |