Samsung Galaxy Light (SGH-T399) vs LG K4 (K121)
Side by side comparison between Samsung Galaxy Light vs LG K4 phones, differences, pros, cons and full specifications. What's the better?
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What's the better phone? LG K4 (K121)
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!
8 Advantages 
12 Advantages | 22 Common items in both devices |
| 16 million |
| (back) 5MP |
| LED flash |
| Only digital zoom |
| Autofocus |
| EIS: Digital stabilization |
| HD (1280x720) |
| +15 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 | ||
| Galaxy Light (SGH-T399) | LG K4 (K121) | |
| Change model | ||
| Model | Galaxy Light (SGH-T399) | LG K4 (K121) |
| Other model names | MetroPCS / T-Mobile Samsung Galaxy Light T399, Samsung Garda | (Bell, Rogers, Telus) LG K4 K121, LGK121 |
| Country or region available |  USA |  Canada |
| Brand | Samsung | LG |
| Release date | 10/17/2013 | 2/1/2016 |
| Depth | 10.2 millimeters (0.4 inches) | 8.9 millimeters (0.35 inches) |
| Size (width x height) | 63.5 x 121.4 millimeters (2.5 x 4.78 in) | 66.7 x 131.9 millimeters (2.63 x 5.19 in) |
| Weight | 122 grams (4.27 ounces) | 113 grams (3.96 ounces) |
| Build, materials | feature not registered | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Galaxy Light (SGH-T399) | LG K4 (K121) | |
| Display type | TFT LCD | TFT IPS LCD |
| Screen size | 4" inches | 4.5" inches |
| Screen-to-body ratio | ~59.1% (screen-to-body ratio) | ~63.4% (screen-to-body ratio) |
| Display resolution | 480x800 pixels | 480x854 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 233 PPI | 218 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass | Not supported |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | Not supported |
🤖 Operating System | ||
| Galaxy Light (SGH-T399) | LG K4 (K121) | |
| System version | Android 4.2.2 Jelly Bean | Android 5.1.1 Lollipop |
| Firmware update | Android 4.4.2 KitKat | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Galaxy Light (SGH-T399) | LG K4 (K121) | |
| Chipset | 32bit: Samsung Exynos 4 Quad 4412 | 32bit: Qualcomm Snapdragon 210 MSM8909 (28nm) |
| CPU | Quad-core, 1 processor: 4x 1.4GHz ARM Cortex-A9 (Quad-core) | Quad-core, 1 processor: 4x 1.1GHz ARM Cortex-A7 (Quad-core) |
| GPU graphical controller | ARM Mali-400 | Qualcomm Adreno 304 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy Light (SGH-T399) | LG K4 (K121) | |
| RAM memory | 1GB LPDDR2 | 1GB LPDDR3 |
| Internal storage | 8GB (5GB available) | 8GB (3.88GB available) |
| External storage | Until 64GB microSD, microSDXC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy Light (SGH-T399) | LG K4 (K121) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) micro-SIM (3FF) | 1 slot (Single-SIM) micro-SIM (3FF) |
| Maximum Download / Upload | 100/50 Mbps | 150/50 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 850/1700/1900/2100 | UMTS 850/1700/1900 |
| Primary 4G network | LTE Cat3 700/1700/2100 (Bands 4,17) | LTE Cat4 (Bands 2, 4, 7, 17) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, LTE | 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 | ||
| Galaxy Light (SGH-T399) | LG K4 (K121) | |
| Back camera (main camera) | 5 megapixels | 5 megapixels |
| Main camera resolution | 2592x1944 pixels | 2592x1944 pixels |
| Video recording (primary) | HD (1280x720) 30 fps | HD (1280x720) 30 fps |
| Flash | LED flash | 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 | Autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | 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 | ||
| Galaxy Light (SGH-T399) | LG K4 (K121) | |
| Front camera (secondary) | 0.3 megapixels | 2 megapixels |
| Front camera resolution | 640x480 pixels | 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 | ||
| Galaxy Light (SGH-T399) | LG K4 (K121) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | Not supported |
| Radio | Not supported | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, XviD, MKV | MP4, H.264, H.263, XviD |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy Light (SGH-T399) | 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 | 2.1 + A2DP | 4.1 + A2DP |
| WiFi | 802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz) | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
| DLNA | Supported | Not supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy Light (SGH-T399) | LG K4 (K121) | |
| Sensors | Accelerometer Ambient light sensor Compass Proximity sensor | Accelerometer Ambient light sensor Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy Light (SGH-T399) | LG K4 (K121) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Removable) BL-49JH |
| Battery capacity | 1800 mAh | 1940 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | 12.5 hours | 9 hours |
| Standby | 460 hours (19.2 days) | 500 hours (20.8 days) |
➕ Other features | ||
| Galaxy Light (SGH-T399) | LG K4 (K121) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder |
| Messaging | SMS (Swype), 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: Dark brown • WiFi hotspot | • Colors: White, Blue Knock Code |
☢️ Radiation rate | ||
| Galaxy Light (SGH-T399) | 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 |