LG G Flex (F340S) vs Samsung Galaxy S3 Slim Duos (SM-G3812B)
Side by side comparison between LG G Flex vs Samsung Galaxy S3 Slim phones, differences, pros, cons and full specifications. What's the better?
,
6"
POLED
POLED
720x1280
13
MP
MP
2.1mp
2GB
RAM
RAM
Quad-core
3500
mAh
mAh
(Non removable)
vs
4.5"
TFT
TFT
540x960
5
MP
MP
0.3mp
1GB
RAM
RAM
Quad-core
2100
mAh
mAh
(Removable)
What's the better phone? LG G Flex (F340S)
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!
23 Advantages 
4 Advantages | 23 Common items in both devices |
| Plastic body, glass front |
| 16 million |
| 245 PPI |
| LED flash |
| Only digital zoom |
| Autofocus |
| HDR photo/video only main camera / HDR photo only main camera |
| +16 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 G Flex (F340S) | Galaxy S3 Slim Duos (SM-G3812B) | |
| Model | LG G Flex (F340S) | Galaxy S3 Slim Duos (SM-G3812B) |
| Other model names | LG Flex F340S, LG-F340S | Galaxy S3 Slim G3812B, Samsung Galaxy Win Pro |
| Country or region available |  South Korea |  Brazil |
| Brand | LG | Samsung |
| Release date | 11/1/2013 | 3/1/2014 |
| Depth | 8.7 millimeters (0.34 inches) | 9.7 millimeters (0.38 inches) |
| Size (width x height) | 81.6 x 160.5 millimeters (3.21 x 6.32 in) | 66 x 133 millimeters (2.6 x 5.24 in) |
| Weight | 177 grams (6.2 ounces) | 139 grams (4.87 ounces) |
| Build, materials | Plastic body, glass front | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| LG G Flex (F340S) | Galaxy S3 Slim Duos (SM-G3812B) | |
| Display type | P-OLED | TFT LCD |
| Screen size | 6" inches | 4.5" inches |
| Screen-to-body ratio | ~75.8% (screen-to-body ratio) | ~63.6% (screen-to-body ratio) |
| Display resolution | 720x1280 pixels | 540x960 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 245 PPI | 245 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 2 | Not supported |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | Not supported |
🤖 Operating System | ||
| LG G Flex (F340S) | Galaxy S3 Slim Duos (SM-G3812B) | |
| System version | Android 4.2.2 Jelly Bean | Android 4.2.2 Jelly Bean |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | TouchWiz UX |
⚙️ Processor | ||
| LG G Flex (F340S) | Galaxy S3 Slim Duos (SM-G3812B) | |
| Chipset | 32bit: Qualcomm Snapdragon 800 MSM8974A | 32bit: Qualcomm Snapdragon 200 (MSM8225Q) (45nm) |
| CPU | Quad-core, 1 processor: 4x 2.26GHz Krait 400 (Quad-core) | Quad-core, 1 processor: 4x 1.2GHz ARM Cortex-A5 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 330 | Qualcomm Adreno 203 (400MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| LG G Flex (F340S) | Galaxy S3 Slim Duos (SM-G3812B) | |
| RAM memory | 2GB LPDDR3 | 1GB LPDDR2 |
| Internal storage | 32GB (25GB available) | 8GB (5GB available) eMMC 4.5 |
| External storage | Not supported | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| LG G Flex (F340S) | Galaxy S3 Slim Duos (SM-G3812B) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 1 slot (Single-SIM) micro-SIM (3FF) | 2 slots (Dual-SIM) micro-SIM (3FF) |
| Maximum Download / Upload | 150/50 Mbps | 21/5.76 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 850/1900/2100 | UMTS 850/1900/2100 |
| Primary 4G network | LTE Cat4 850/1800/2100 | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ |
| 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 G Flex (F340S) | Galaxy S3 Slim Duos (SM-G3812B) | |
| Back camera (main camera) | 13 megapixels | 5 megapixels |
| Main camera resolution | 4128x3096 pixels | 2592x1944 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | feature not registered | feature not registered |
| 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 | feature not registered | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Not supported |
| HDR | HDR photo/video only main camera | HDR photo only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| LG G Flex (F340S) | Galaxy S3 Slim Duos (SM-G3812B) | |
| Front camera (secondary) | 2.1 megapixels | 0.3 megapixels |
| Front camera resolution | 1920x1080 pixels | 640x480 pixels |
| Video recording (secondary) | Full HD (1920x1080) | VGA (640x480) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | feature not registered |
| 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 | ||
| LG G Flex (F340S) | Galaxy S3 Slim Duos (SM-G3812B) | |
| Loudspeaker | Supported | Mono sound (not stereo) |
| Active noise cancellation | 2 microphones or more | 1 microphone |
| Radio | FM (RDS) | FM |
| TV | Digital TV | Not supported |
| Video formats | MP4, DivX, XviD, H.264, H.263, WMV | MP4, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, AC3, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| LG G Flex (F340S) | Galaxy S3 Slim Duos (SM-G3812B) | |
| USB | MicroUSB 3.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Micro-B USB SlimPort | Not supported |
| Bluetooth | 4.0 + A2DP | 4.0 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
| DLNA | Supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging |
| NFC | Supported | Not supported |
| Infrared port | Supported | Not supported |
🧭 Sensors | ||
| LG G Flex (F340S) | Galaxy S3 Slim Duos (SM-G3812B) | |
| Sensors | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| LG G Flex (F340S) | Galaxy S3 Slim Duos (SM-G3812B) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 3500 mAh | 2100 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | 15 hours | feature not registered |
| Standby | 700 hours (29.2 days) | feature not registered |
➕ Other features | ||
| LG G Flex (F340S) | Galaxy S3 Slim Duos (SM-G3812B) | |
| Call control | Voice dialing, Voice recorder, Voice commands | 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 | HTML, XHTML, HTML5 | HTML, XHTML, HTML5 |
| Antenna | External retractable antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Titan silver • Curved body and display • Self-healing back panel coating • Dolby mobile sound enhancement • Java framework | • Colors: Black, White • Java framework |
☢️ Radiation rate | ||
| LG G Flex (F340S) | Galaxy S3 Slim Duos (SM-G3812B) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.61W/kg (head), 1.13W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.553W/kg (head), 0.395W/kg (body) |