📱 Model features |
| Samsung Galaxy Trend Lite (GT-S7390) | LG K4 (K121) |
| Model | Galaxy Trend Lite (GT-S7390) | K4 (K121) |
| Other model names | Galaxy Trend Lite S7390 | (Bell, Rogers, Telus) LG K4 K121, LGK121 |
| Country or region available | 
(Global, International) | 
Canada |
| Brand | Samsung | LG |
| Release date | 10/1/2013 | 2/1/2016 |
| Depth | 10.85 millimeters (0.43 inches) | 8.9 millimeters (0.35 inches) |
| Size (width x height) | 63.1 x 121.5 millimeters (2.48 x 4.78 in) | 66.7 x 131.9 millimeters (2.63 x 5.19 in) |
| Weight | 126 grams (4.41 ounces) | 113 grams (3.96 ounces) |
| Build, materials | Plastic body, glass front | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
🤖 Operating System |
| Samsung Galaxy Trend Lite (GT-S7390) | LG K4 (K121) |
| System version | Android 4.1.2 Jelly Bean | Android 5.1.1 Lollipop |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor |
| Samsung Galaxy Trend Lite (GT-S7390) | LG K4 (K121) |
| Chipset | 32bit - Broadcom BCM21654G (40nm) | 32bit - Qualcomm Snapdragon 210 MSM8909 (28nm) |
| CPU | Single-Core, 1 processor:
1GHz Single-Core ARM Cortex-A9 | Quad-Core, 1 processor:
1.1GHz Quad-Core ARM Cortex-A7 |
| GPU graphical controller | Broadcom VideoCore IV | Qualcomm Adreno 304 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage |
| Samsung Galaxy Trend Lite (GT-S7390) | LG K4 (K121) |
| RAM memory | 512MB LPDDR2 | 1GB LPDDR3 |
| Internal storage | 4GB (2GB available) | 8GB (3.88GB available) |
| External storage | Until 64GB microSD, microSDXC
(dedicated slot) | Until 32GB microSD, microSDHC
(dedicated slot) |
📲 Display |
| Samsung Galaxy Trend Lite (GT-S7390) | LG K4 (K121) |
| Display type | TFT LCD | TFT IPS LCD |
| Screen size | 4" inches | 4.5" inches |
| Screen-to-body ratio | ~59.4% (screen-to-body ratio) | ~63.4% (screen-to-body ratio) |
| Display resolution | 480x800 pixels (5:3) | 480x854 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 233 PPI | 218 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | 60Hz | feature not registered |
| Display features | Not supported | feature not registered |
📶 Mobile networks |
| Samsung Galaxy Trend Lite (GT-S7390) | LG K4 (K121) |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM)
Standard mini-SIM (2FF) | 1 slot (Single-SIM)
micro-SIM (3FF) |
| Maximum download/upload | 14.4/5.76 Mbps | 150/50 Mbps |
| Network technology | 2G, 3G | 2G, 3G, 4G |
| Frequency, bands | Expand band detailsCollapse 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 900/2100 | UMTS 850/1700/1900 |
| Primary 4G network | Not supported | LTE Cat4 (Bands 2, 4, 7, 17) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE |
| 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 |
| Samsung Galaxy Trend Lite (GT-S7390) | LG K4 (K121) |
| Back camera (main camera) | 3.1 megapixels | 5 megapixels |
| Main camera resolution | 2048x1536 pixels | 2592x1944 pixels |
| Video recording (primary) | VGA (640x480) 30 fps | HD (1280x720) 30 fps |
| Flash | Not supported | LED flash |
| Focal aperture | feature not registered | f/2.8 (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 |
| Autofocus | Not supported | Autofocus |
| Touch focus | Not supported | Supported |
| Image stabilization | EIS: Digital stabilization | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Not supported | Face detection, Smile detection |
| BSI sensor | Not supported | Not supported |
| HDR | Not supported | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera |
| Samsung Galaxy Trend Lite (GT-S7390) | LG K4 (K121) |
| Front camera (secondary) | Not supported | 2 megapixels |
| Front camera resolution | Not supported | 1600x1200 pixels |
| Video recording (secondary) | Not supported | HD (1280x720) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.8 (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 Galaxy Trend Lite (GT-S7390) | LG K4 (K121) |
| Loudspeaker | Mono sound (not stereo) | Supported |
| Active noise cancellation | Not supported | Not supported |
| Radio | FM | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, WMV | MP4, H.264, H.263, XviD |
| Audio formats | MP3, WAV, eAAC+, FLAC | MP3, WAV, eAAC+, FLAC |
🔌 Connectivity |
| Samsung Galaxy Trend Lite (GT-S7390) | LG K4 (K121) |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 4.0 + A2DP | 4.1 + A2DP |
| WiFi | 802.11 b/g/n (2.4Ghz)
WiFi Direct, hotspot | 802.11 b/g/n (2.4Ghz)
WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors |
| Samsung Galaxy Trend Lite (GT-S7390) | LG K4 (K121) |
| Sensors | Accelerometer
Ambient Light sensor
Compass
Proximity sensor | Accelerometer
Ambient Light sensor
Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery |
| Samsung Galaxy Trend Lite (GT-S7390) | LG K4 (K121) |
| Battery type | Li-Ion: Lithium-Ion (Removable) | Li-Ion: Lithium-Ion (Removable)
BL-49JH |
| Battery capacity | 1500 mAh | 1940 mAh |
| Charger, watts | Standard charging | Standard charging |
| Talk time autonomy | 8 hours | 9 hours |
| Standby | 350 hours (14.6 days) | 500 hours (20.8 days) |
➕ Other features |
| Samsung Galaxy Trend Lite (GT-S7390) | LG K4 (K121) |
| Call control | Voice dialing, Voice recorder | 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: Black, White
- ChatON | - Colors: White, Blue
- Flash Selfie
- Knock Code |
☢️ Radiation rate |
| Samsung Galaxy Trend Lite (GT-S7390) | LG K4 (K121) |
| 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 |