Samsung Rex 70 (S3802) vs LG K31 (K300QM)
Side by side comparison between Samsung Rex 70 vs LG K31 phones, differences, pros, cons and full specifications. What's the better?
,
vs
5.7"
IPS
IPS
720x1520
13
MP
MP
5mp
2GB
RAM
RAM
Octa-core
3000
mAh
mAh
(Non removable)
What's the better phone? LG K31 (K300QM)
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!
5 Advantages 
24 Advantages | 8 Common items in both devices |
| Only digital zoom |
| Capacitive |
| Multitouch |
| Hands-free calling |
| Vibrating alert |
| 3.5mm jack |
| 802.11 b/g/n [wifi4] |
| + 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 | ||
| Samsung Rex 70 (S3802) | LG K31 (K300QM) | |
| Change model | ||
| Model | Rex 70 (S3802) | K31 (K300QM) |
| Other model names | Samsung Rex 70 Duos S3802 for India market | LG K31 (Unlocked), LMK300QMAUSASV, LM-K300Q |
| Country or region available |  India |  USA |
| Brand | Samsung | LG |
| Release date | 3/1/2013 | 8/21/2020 |
| Depth | 12 millimeters (0.47 inches) | 8.6 millimeters (0.34 inches) |
| Size (width x height) | 57.2 x 104.9 millimeters (2.25 x 4.13 in) | 71.12 x 147.83 millimeters (2.8 x 5.82 in) |
| Weight | 89 grams (3.12 ounces) | 146 grams (5.11 ounces) |
| Build, materials | feature not registered | Plastic body, glass front |
| Protection against water and others | Not supported | MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. |
📲 Display | ||
| Samsung Rex 70 (S3802) | LG K31 (K300QM) | |
| Display type | TFT LCD | TFT IPS LCD |
| Screen size | 3" inches | 5.7" inches |
| Screen-to-body ratio | ~46.4% (screen-to-body ratio) | ~77.1% (screen-to-body ratio) |
| Display resolution | 240x320 pixels | 720x1520 pixels (19:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 133 PPI | 295 PPI |
| Colors | 65 thousand | 16 million |
| Scratch-resistant glass | Not supported | Panda King Glass |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | Not supported |
🤖 Operating System | ||
| Samsung Rex 70 (S3802) | LG K31 (K300QM) | |
| System version | Proprietary OS | Android 10 |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Samsung Rex 70 (S3802) | LG K31 (K300QM) | |
| Chipset | 32bit | 64bit: MediaTek Helio P22 (MT6762) (12nm) |
| CPU | Single-core, 1 processor: Single-core XMM 2250m (Single-core) | Octa-core, 2 processors: 4x 2GHz ARM Cortex-A53 (Quad-core) 4x 1.5GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | feature not registered | PowerVR GE8320 (650MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Samsung Rex 70 (S3802) | LG K31 (K300QM) | |
| RAM memory | feature not registered | 2GB LPDDR3 |
| Internal storage | 10MB | 32GB (17GB available) eMMC 5.1 |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 512GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Samsung Rex 70 (S3802) | LG K31 (K300QM) | |
| 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 | 0.236 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 | CDMA 800/1900, GSM 850/900/1800/1900 |
| Primary 3G network | Not supported | CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100 |
| Primary 4G network | Not supported | LTE Cat4 (2, 4, 5, 12, 13, 25, 26, 66, 71) TD-LTE (41) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS | Not supported |
📷 Camera | ||
| Samsung Rex 70 (S3802) | LG K31 (K300QM) | |
| Back camera (main camera) | 2 megapixels | (dual camera) 13 megapixels 5MP ultrawide f/2.2120°1/5.0"1.12µm |
| Main camera resolution | 1600x1200 pixels | 4128x3096 pixels |
| Video recording (primary) | Supported | Full HD (1920x1080) 30 fps |
| Flash | Not supported | LED flash |
| Focal aperture | feature not registered | f/1.8 (aperture) |
| Focal length | feature not registered | 27mm (lens) |
| Sensor size | feature not registered | 1/3.1" inches |
| Pixel size | feature not registered | 1.12µm pixel |
| Autofocus | Not supported | PDAF: phase detection 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 | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Samsung Rex 70 (S3802) | LG K31 (K300QM) | |
| Front camera (secondary) | Not supported | 5 megapixels |
| Front camera resolution | Not supported | 2560x1920 pixels |
| Video recording (secondary) | Not supported | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.2 (aperture) |
| Focal length | feature not registered | 24mm (lens) |
| Sensor size | feature not registered | 1/5" inches |
| Pixel size | feature not registered | 1.12µm pixel |
🔉 Sound and multimedia | ||
| Samsung Rex 70 (S3802) | LG K31 (K300QM) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | feature not registered | 2 microphones or more |
| Radio | FM | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.263 | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, eAAC+ | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Samsung Rex 70 (S3802) | LG K31 (K300QM) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 3.0 | 5.0 + A2DP/LE |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
| DLNA | feature not registered | Not supported |
| GPS | Not supported | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | feature not registered | Not supported |
🧭 Sensors | ||
| Samsung Rex 70 (S3802) | LG K31 (K300QM) | |
| Sensors | Proximity sensor | Accelerometer Fingerprint sensor (rear-mounted) |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Samsung Rex 70 (S3802) | LG K31 (K300QM) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 1000 mAh | 3000 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | 13 hours | 11 hours |
| Standby | 490 hours (20.4 days) | 528 hours (22 days) |
➕ Other features | ||
| Samsung Rex 70 (S3802) | LG K31 (K300QM) | |
| Call control | Voice recorder | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS, MMS, E-mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Not supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | feature not registered | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: White, Gray, Blue • Samsung TouchWiz UI • ChatON • Opera browser • Facebook, Twitter, YouTube • Java framework | • Colors: Silver • LG UX 9.1 |
☢️ Radiation rate | ||
| Samsung Rex 70 (S3802) | LG K31 (K300QM) | |
| 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 | feature not registered |