Samsung Galaxy S Duos (GT-S7562) vs LG Harmony (M257)
Side by side comparison between Samsung Galaxy S Duos vs LG Harmony phones, differences, pros, cons and full specifications. What's the better?
,
4"
TFT
TFT
480x800
5
MP
MP
0.3mp
768MB
RAM
RAM
Single-core
1500
mAh
mAh
(Removable)
vs
5.3"
IPS
IPS
720x1280
8
MP
MP
5mp
1.5GB
RAM
RAM
Quad-core
2800
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!
3 Advantages 
22 Advantages | 18 Common items in both devices |
| 16 million |
| LED flash |
| Only digital zoom |
| Autofocus |
| Capacitive |
| Multitouch |
| Accelerometer |
| +11 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 S Duos (GT-S7562) | LG Harmony (M257) | |
| Change model | ||
| Model | Galaxy S Duos (GT-S7562) | Harmony (M257) |
| Other model names | Samsung Galaxy S Duos S7562L Dual SIM, Dual Chip, Doble Chip | Cricket LG Harmony, LG K20 Plus, LG-M257, LGM257 |
| Country or region available | feature not registered |  USA |
| Brand | Samsung | LG |
| Release date | 11/1/2012 | 2/1/2017 |
| Depth | 10.5 millimeters (0.41 inches) | 8 millimeters (0.31 inches) |
| Size (width x height) | 63.1 x 121.5 millimeters (2.48 x 4.78 in) | 75.29 x 148.7 millimeters (2.96 x 5.85 in) |
| Weight | 120 grams (4.2 ounces) | 142 grams (4.97 ounces) |
| Build, materials | feature not registered | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Galaxy S Duos (GT-S7562) | LG Harmony (M257) | |
| Display type | TFT LCD | TFT IPS LCD |
| Screen size | 4" inches | 5.3" inches |
| Screen-to-body ratio | ~59.4% (screen-to-body ratio) | ~69.2% (screen-to-body ratio) |
| Display resolution | 480x800 pixels | 720x1280 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 233 PPI | 277 PPI |
| Colors | 16 million | 16 million |
| 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 | ||
| Galaxy S Duos (GT-S7562) | LG Harmony (M257) | |
| System version | Android 4.0.4 Ice Cream Sandwich ICS | Android 7.0 Nougat |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Galaxy S Duos (GT-S7562) | LG Harmony (M257) | |
| Chipset | 32bit: Qualcomm Snapdragon S1 MSM7227A (45nm) | 64bit: Qualcomm Snapdragon 425 (MSM8917) (28nm) |
| CPU | Single-core, 1 processor: 1x 1GHz ARM Cortex-A5 (Single-core) | Quad-core, 1 processor: 4x 1.4GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 200 | Qualcomm Adreno 308 (500MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy S Duos (GT-S7562) | LG Harmony (M257) | |
| RAM memory | 768MB LPDDR | 1.5GB LPDDR3 |
| Internal storage | 4GB (1.78GB available) | 16GB (9GB available) |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 256GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy S Duos (GT-S7562) | LG Harmony (M257) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) Standard mini-SIM (2FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 7.2/5.76 Mbps | 300/50 Mbps |
| Network technology | 2G, 3G | 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 900/2100 | UMTS 850/1700/1900 |
| Primary 4G network | Not supported | LTE Cat6 700/850/1700/1900 (Bands 2,4,5,12) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | UMTS 900/2100 | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE, UMTS | Not supported |
📷 Camera | ||
| Galaxy S Duos (GT-S7562) | LG Harmony (M257) | |
| Back camera (main camera) | 5 megapixels | 8 megapixels |
| Main camera resolution | 2592x1944 pixels | 3264x2448 pixels |
| Video recording (primary) | VGA (640x480) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | feature not registered | f/2.2 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | 1.12µm pixel |
| Autofocus | Autofocus | Autofocus |
| Touch focus | Not supported | Supported |
| Image stabilization | feature not registered | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Not supported |
| HDR | Not supported | HDR photo only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Galaxy S Duos (GT-S7562) | LG Harmony (M257) | |
| Front camera (secondary) | 0.3 megapixels | 5 megapixels |
| Front camera resolution | 640x480 pixels | 2560x1920 pixels |
| Video recording (secondary) | Not supported | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.4 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | 1.12µm pixel |
🔉 Sound and multimedia | ||
| Galaxy S Duos (GT-S7562) | LG Harmony (M257) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | 2 microphones or more |
| Radio | FM (RDS) | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.263, H.264, WMV | MP4, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+ | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy S Duos (GT-S7562) | LG Harmony (M257) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 3.0 + A2DP | 4.2 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
| DLNA | Supported | Not supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS |
| NFC | Not supported | Supported |
| Infrared port | feature not registered | Not supported |
🧭 Sensors | ||
| Galaxy S Duos (GT-S7562) | LG Harmony (M257) | |
| Sensors | Accelerometer Proximity sensor | Accelerometer Ambient light sensor Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy S Duos (GT-S7562) | LG Harmony (M257) | |
| Battery type | Li-Ion: lithium-ion (Removable) EB425151LU | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 1500 mAh | 2800 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 7.5 hours | 14 hours |
| Standby | 330 hours (13.8 days) | 350 hours (14.6 days) |
➕ Other features | ||
| Galaxy S Duos (GT-S7562) | LG Harmony (M257) | |
| Call control | Voice dialing, Voice recorder | 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, Flash player | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: White • Samsung TouchWiz UI • SoundAlive Java framework | • Colors: Black • 2.5D Arc Glass screen • LG UX 5.0 • Wide-angle 120° front camera • KnockOn, Knock Code • VoLTE |
☢️ Radiation rate | ||
| Galaxy S Duos (GT-S7562) | LG Harmony (M257) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.27W/kg (head), 0.65W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.47W/kg (head) | feature not registered |