LG K31 (K300WM) vs Samsung Galaxy Attain 4G (SCH-R920)
Side by side comparison between LG K31 vs Samsung Galaxy Attain 4G phones, differences, pros, cons and full specifications. What's the better?
,
5.7"
IPS
IPS
720x1520
13
MP
MP
5mp
2GB
RAM
RAM
Octa-core
3000
mAh
mAh
(Non removable)
vs
3.5"
TFT
TFT
320x480
3.1
MP
MP
1.3mp
512MB
RAM
RAM
Single-core
1650
mAh
mAh
(Removable)
What's the better phone? LG K31 (K300WM)
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!
21 Advantages 
5 Advantages | 11 Common items in both devices |
| LED flash |
| Only digital zoom |
| PDAF: phase detection autofocus / Autofocus |
| 4G LTE |
| Capacitive |
| Multitouch |
| Accelerometer |
| +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 K31 (K300WM) | Galaxy Attain 4G (SCH-R920) | |
| Model | K31 (K300WM) | Galaxy Attain 4G (SCH-R920) |
| Other model names | LG K31 (Spectrum Mobile), LMK300WM.ACANSV, LM-K300WM | MetroPCS Samsung Galaxy Attain 4G R920, Samsung SCH-R920 |
| Country or region available |  Canada |  USA |
| Brand | LG | Samsung |
| Release date | 8/21/2020 | 2/6/2012 |
| Depth | 8.6 millimeters (0.34 inches) | 11.7 millimeters (0.46 inches) |
| Size (width x height) | 71.12 x 147.83 millimeters (2.8 x 5.82 in) | 60.5 x 116 millimeters (2.38 x 4.57 in) |
| Weight | 146 grams (5.11 ounces) | 119 grams (4.17 ounces) |
| Build, materials | Plastic body, glass front | feature not registered |
| Protection against water and others | MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. | Not supported |
📲 Display | ||
| LG K31 (K300WM) | Galaxy Attain 4G (SCH-R920) | |
| Display type | TFT IPS LCD | TFT LCD |
| Screen size | 5.7" inches | 3.5" inches |
| Screen-to-body ratio | ~77.1% (screen-to-body ratio) | ~52% (screen-to-body ratio) |
| Display resolution | 720x1520 pixels (19:9) | 320x480 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 295 PPI | 165 PPI |
| Colors | 16 million | 260 thousand |
| Scratch-resistant glass | Panda King Glass | Not supported |
| Refresh rate | 60Hz | feature not registered |
| Display features | Not supported | feature not registered |
🤖 Operating System | ||
| LG K31 (K300WM) | Galaxy Attain 4G (SCH-R920) | |
| System version | Android 10 | Android 2.3.6 Gingerbread |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| LG K31 (K300WM) | Galaxy Attain 4G (SCH-R920) | |
| Chipset | 64bit: MediaTek Helio P22 (MT6762) (12nm) | 32bit: Qualcomm Snapdragon MSM8655T |
| CPU | Octa-core, 2 processors: 4x 2GHz ARM Cortex-A53 (Quad-core) 4x 1.5GHz ARM Cortex-A53 (Quad-core) | Single-core, 1 processor: 1x 1GHz Scorpion (Single-core) |
| GPU graphical controller | PowerVR GE8320 (650MHz) | Qualcomm Adreno 205 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| LG K31 (K300WM) | Galaxy Attain 4G (SCH-R920) | |
| RAM memory | 2GB LPDDR3 | 512MB LPDDR2 |
| Internal storage | 32GB (17GB available) eMMC 5.1 | 2GB (1.39GB available) |
| External storage | Until 512GB microSD, microSDXC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| LG K31 (K300WM) | Galaxy Attain 4G (SCH-R920) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 150/50 Mbps | 100/50 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Not supported |
| Primary 2G network | GSM 850/900/1800/1900 | CDMA 800/1700/1900 |
| Primary 3G network | UMTS 850/900/1900/2100 | CDMA2000 1xEV-DO |
| Primary 4G network | LTE Cat4 (2, 4, 5, 12, 13, 66) | LTE 1700/2100 |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE | CDMA2000 EV-DO Rev A, 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 | ||
| LG K31 (K300WM) | Galaxy Attain 4G (SCH-R920) | |
| Back camera (main camera) | (dual camera) 13 megapixels 5MP ultrawide f/2.2120°1/5.0"1.12µm | 3.1 megapixels |
| Main camera resolution | 4128x3096 pixels | 2048x1536 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | VGA (720x480) |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | feature not registered |
| Focal length | 27mm lens | feature not registered |
| Sensor size | 1/3.1" inches | feature not registered |
| Pixel size | 1.12µm pixel | feature not registered |
| Autofocus | PDAF: phase detection autofocus | Autofocus |
| 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 on both cameras | feature not registered |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| LG K31 (K300WM) | Galaxy Attain 4G (SCH-R920) | |
| Front camera (secondary) | 5 megapixels | 1.3 megapixels |
| Front camera resolution | 2560x1920 pixels | 1280x1024 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Not supported |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | feature not registered |
| Focal length | 24mm lens | feature not registered |
| Sensor size | 1/5" inches | feature not registered |
| Pixel size | 1.12µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| LG K31 (K300WM) | Galaxy Attain 4G (SCH-R920) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | feature not registered |
| Radio | Not supported | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.264, H.263, WMV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+ |
🔌 Connectivity | ||
| LG K31 (K300WM) | Galaxy Attain 4G (SCH-R920) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 5.0 + A2DP/LE | 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 | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | feature not registered |
🧭 Sensors | ||
| LG K31 (K300WM) | Galaxy Attain 4G (SCH-R920) | |
| Sensors | Accelerometer Fingerprint sensor (rear-mounted) | Accelerometer Ambient light sensor Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| LG K31 (K300WM) | Galaxy Attain 4G (SCH-R920) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 3000 mAh | 1650 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | 11 hours | 3.5 hours |
| Standby | 528 hours (22 days) | 200 hours (8.3 days) |
➕ Other features | ||
| LG K31 (K300WM) | Galaxy Attain 4G (SCH-R920) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice recorder |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (Swype), 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, Flash player |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Silver • LG UX 9.1 | • Colors: Black • 2GB microSD included • Samsung TouchWiz 4 UI • HAC M4/T4 • WiFi hotspot • Java framework |
☢️ Radiation rate | ||
| LG K31 (K300WM) | Galaxy Attain 4G (SCH-R920) | |
| 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 |