Sony Ericsson T715 vs LG K4 (K121)
Side by side comparison between Sony Ericsson T715 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!
1 Advantage 
23 Advantages | 8 Common items in both devices |
| LED flash |
| Only digital zoom |
| LiPo: li-ion polymer (Removable) / Li-Ion: lithium-ion (Removable) |
| Hands-free calling |
| Video calling |
| Vibrating alert |
| FM (RDS) |
| + 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 | ||
| Sony Ericsson T715 | LG K4 (K121) | |
| Change model | ||
| Model | Sony Ericsson T715 | LG K4 (K121) |
| Other model names | Sony Ericsson T715a | (Bell, Rogers, Telus) LG K4 K121, LGK121 |
| Country or region available | feature not registered |  Canada |
| Brand | Sony Ericsson | LG |
| Release date | 10/8/2009 | 2/1/2016 |
| Depth | 14.9 millimeters (0.59 inches) | 8.9 millimeters (0.35 inches) |
| Size (width x height) | 48 x 91.5 millimeters (1.89 x 3.6 in) | 66.7 x 131.9 millimeters (2.63 x 5.19 in) |
| Weight | 96 grams (3.36 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 | ||
| Sony Ericsson T715 | LG K4 (K121) | |
| Display type | TFT LCD | TFT IPS LCD |
| Screen size | 2.2" inches | 4.5" inches |
| Screen-to-body ratio | ~34.1% (screen-to-body ratio) | ~63.4% (screen-to-body ratio) |
| Display resolution | 240x320 pixels | 480x854 pixels |
| Touchscreen | Not supported | Capacitive Multitouch |
| Pixel density (dot pitch) | 182 PPI | 218 PPI |
| Colors | 260 thousand | 16 million |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | Not supported |
🤖 Operating System | ||
| Sony Ericsson T715 | LG K4 (K121) | |
| System version | Proprietary OS | Android 5.1.1 Lollipop |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Sony Ericsson T715 | LG K4 (K121) | |
| Chipset | feature not registered | 32bit: Qualcomm Snapdragon 210 MSM8909 (28nm) |
| CPU | Single-core, 1 processor: Single-core | Quad-core, 1 processor: 4x 1.1GHz ARM Cortex-A7 (Quad-core) |
| GPU graphical controller | feature not registered | Qualcomm Adreno 304 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Sony Ericsson T715 | LG K4 (K121) | |
| RAM memory | feature not registered | 1GB LPDDR3 |
| Internal storage | 90MB | 8GB (3.88GB available) |
| External storage | Until 16GB microSD, microSDHC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Sony Ericsson T715 | 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 | 3.6 Mbps | 150/50 Mbps |
| Network technology | 2G | 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 | Not supported | 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 | 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 | ||
| Sony Ericsson T715 | LG K4 (K121) | |
| Back camera (main camera) | 3.1 megapixels | 5 megapixels |
| Main camera resolution | 2048x1536 pixels | 2592x1944 pixels |
| Video recording (primary) | QVGA (320x240) | 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 | Not supported | Autofocus |
| Touch focus | feature not registered | Supported |
| Image stabilization | feature not registered | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | feature not registered | Face detection, Smile detection |
| BSI sensor | feature not registered | Not supported |
| HDR | feature not registered | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Sony Ericsson T715 | 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 | ||
| Sony Ericsson T715 | LG K4 (K121) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | feature not registered | Not supported |
| Radio | FM (RDS) | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.263, WMV | MP4, H.264, H.263, XviD |
| Audio formats | MP3, WAV, WMA, eAAC+ | MP3, WAV, eAAC+, FLAC |
🔌 Connectivity | ||
| Sony Ericsson T715 | LG K4 (K121) | |
| USB | USB 2.0 proprietary connector | MicroUSB 2.0 |
| Audio output | proprietary audio output | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 2.0 + A2DP | 4.1 + A2DP |
| WiFi | Not supported | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
| DLNA | feature not registered | Not supported |
| GPS | Not supported | A-GPS, GeoTagging, GLONASS |
| NFC | Not supported | Not supported |
| Infrared port | feature not registered | Not supported |
🧭 Sensors | ||
| Sony Ericsson T715 | LG K4 (K121) | |
| Sensors | Not supported | Accelerometer Ambient light sensor Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Sony Ericsson T715 | LG K4 (K121) | |
| Battery type | LiPo: li-ion polymer (Removable) BST-33 | Li-Ion: lithium-ion (Removable) BL-49JH |
| Battery capacity | 950 mAh | 1940 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | 4 hours | 9 hours |
| Standby | 350 hours (14.6 days) | 500 hours (20.8 days) |
➕ Other features | ||
| Sony Ericsson T715 | LG K4 (K121) | |
| Call control | 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 | Supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | WAP, HTML | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Galaxy Silver, Rouge Pink • Smart desktop • MP3 TrackID • YouTube • Java framework | • Colors: White, Blue • Knock Code |
☢️ Radiation rate | ||
| Sony Ericsson T715 | 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 |