LG Harmony (M257) vs LG Optimus L3 (Dual E405)
Side by side comparison between LG Harmony vs LG Optimus L3 phones, differences, pros, cons and full specifications. What's the better?
,
5.3"
IPS
IPS
720x1280
8
MP
MP
5mp
1.5GB
RAM
RAM
Quad-core
2800
mAh
mAh
(Removable)
vs
3.2"
TFT
TFT
240x320
3.1
MP
MP
384MB
RAM
RAM
Single-core
1540
mAh
mAh
(Removable)
What's the better phone? LG Harmony (M257)
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!
24 Advantages 
2 Advantages | 11 Common items in both devices |
| Only digital zoom |
| Capacitive |
| Multitouch |
| Accelerometer |
| Proximity sensor |
| Li-Ion: lithium-ion (Removable) |
| 3.5mm jack |
| +4 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 Harmony (M257) | LG Optimus L3 (Dual E405) | |
| Change model | ||
| Model | Harmony (M257) | Optimus L3 (Dual E405) |
| Other model names | Cricket LG Harmony, LG K20 Plus, LG-M257, LGM257 | LG Optimus L3 Dual-Sim, LGE405, LG-E405 |
| Country or region available |  USA | feature not registered |
| Brand | LG | LG |
| Release date | 2/1/2017 | 8/1/2012 |
| Depth | 8 millimeters (0.31 inches) | 11.85 millimeters (0.47 inches) |
| Size (width x height) | 75.29 x 148.7 millimeters (2.96 x 5.85 in) | 61.6 x 102.6 millimeters (2.43 x 4.04 in) |
| Weight | 142 grams (4.97 ounces) | 119 grams (4.17 ounces) |
| Build, materials | Plastic body, glass front | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| LG Harmony (M257) | LG Optimus L3 (Dual E405) | |
| Display type | TFT IPS LCD | TFT LCD |
| Screen size | 5.3" inches | 3.2" inches |
| Screen-to-body ratio | ~69.2% (screen-to-body ratio) | ~50.2% (screen-to-body ratio) |
| Display resolution | 720x1280 pixels | 240x320 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 277 PPI | 125 PPI |
| Colors | 16 million | 260 thousand |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| LG Harmony (M257) | LG Optimus L3 (Dual E405) | |
| System version | Android 7.0 Nougat | Android 2.3.6 Gingerbread |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| LG Harmony (M257) | LG Optimus L3 (Dual E405) | |
| Chipset | 64bit: Qualcomm Snapdragon 425 MSM8917 (28nm) | 32bit: Qualcomm Snapdragon MSM7225A |
| CPU | Quad-core, 1 processor: 4x 1.4GHz ARM Cortex-A53 (Quad-core) | Single-core, 1 processor: 1x 800MHz ARM Cortex-A5 (Single-core) |
| GPU graphical controller | Qualcomm Adreno 308 500Mhz | Qualcomm Adreno 200 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| LG Harmony (M257) | LG Optimus L3 (Dual E405) | |
| RAM memory | 1.5GB LPDDR3 | 384MB |
| Internal storage | 16GB (9GB available) | 1GB (150MB available) |
| External storage | Until 256GB microSD, microSDXC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| LG Harmony (M257) | LG Optimus L3 (Dual E405) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 300/50 Mbps | 3.6 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G |
| 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 | UMTS 900/2100 |
| Primary 4G network | LTE Cat6 700/850/1700/1900 (Bands 2,4,5,12) | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA |
| Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | GPRS, EDGE |
📷 Camera | ||
| LG Harmony (M257) | LG Optimus L3 (Dual E405) | |
| Back camera (main camera) | 8 megapixels | 3.1 megapixels |
| Main camera resolution | 3264x2448 pixels | 2048x1536 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | VGA (640x480) 24 fps |
| Flash | LED flash | Not supported |
| Focal aperture | f/2.2 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | 1.12µm pixel | feature not registered |
| Autofocus | Autofocus | Not supported |
| Touch focus | Supported | feature not registered |
| Image stabilization | EIS: Digital stabilization | feature not registered |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | feature not registered |
| BSI sensor | Not supported | feature not registered |
| HDR | HDR photo only main camera | feature not registered |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| LG Harmony (M257) | LG Optimus L3 (Dual E405) | |
| Front camera (secondary) | 5 megapixels | Not supported |
| Front camera resolution | 2560x1920 pixels | Not supported |
| Video recording (secondary) | Full HD (1920x1080) | Not supported |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.4 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | 1.12µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| LG Harmony (M257) | LG Optimus L3 (Dual E405) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | feature not registered |
| Radio | FM (RDS) | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, XviD, MKV | MP4, H.263, H.264, WMV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+ |
🔌 Connectivity | ||
| LG Harmony (M257) | LG Optimus L3 (Dual E405) | |
| USB | MicroUSB 2.0, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 4.2 + A2DP | 3.0 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Not supported | feature not registered |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging |
| NFC | Supported | Not supported |
| Infrared port | Not supported | feature not registered |
🧭 Sensors | ||
| LG Harmony (M257) | LG Optimus L3 (Dual E405) | |
| Sensors | Accelerometer Ambient light sensor Compass Proximity sensor | Accelerometer Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| LG Harmony (M257) | LG Optimus L3 (Dual E405) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 2800 mAh | 1540 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 14 hours | 10 hours |
| Standby | 350 hours (14.6 days) | 600 hours (25 days) |
➕ Other features | ||
| LG Harmony (M257) | LG Optimus L3 (Dual E405) | |
| Call control | Voice dialing, Voice recorder | 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 | Not supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, Flash player |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black • 2.5D Arc Glass screen • LG UX 5.0 • Wide-angle 120° front camera • KnockOn, Knock Code • VoLTE | • Colors: Black, White • Built-in digital compass • LG Optimus UI • LG SmartShare • DLNA • Java framework |
☢️ Radiation rate | ||
| LG Harmony (M257) | LG Optimus L3 (Dual E405) | |
| 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 |