LG K31 (K300QM) vs LG Optimus F3Q (D520)
Side by side comparison between LG K31 vs LG Optimus F3Q 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
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!
18 Common items in both devices |
TFT IPS LCD |
16 million |
LED flash |
Only digital zoom |
PDAF: phase detection autofocus / Autofocus |
Full HD (1920x1080) |
4G LTE |
+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 | ||
LG K31 (K300QM) | LG Optimus F3Q (D520) | |
Model | K31 (K300QM) | Optimus F3Q (D520) |
Other model names | LG K31 (Unlocked), LMK300QMAUSASV, LM-K300Q | T-Mobile LG Optimus F3Q 4G LTE, LG FX3, LG D520 |
Country or region available | USA | feature not registered |
Brand | LG | LG |
Release date | 8/21/2020 | 1/1/2014 |
Depth | 8.6 millimeters (0.34 inches) | 14 millimeters (0.55 inches) |
Size (width x height) | 71.12 x 147.83 millimeters (2.8 x 5.82 in) | 64.8 x 121.9 millimeters (2.55 x 4.8 in) |
Weight | 146 grams (5.11 ounces) | 160 grams (5.6 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 (K300QM) | LG Optimus F3Q (D520) | |
Display type | TFT IPS LCD | TFT IPS LCD |
Screen size | 5.7" inches | 4" inches |
Screen-to-body ratio | ~77.1% (screen-to-body ratio) | ~57.7% (screen-to-body ratio) |
Display resolution | 720x1520 pixels (19:9) | 480x800 pixels |
Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
Pixel density (dot pitch) | 295 PPI | 233 PPI |
Colors | 16 million | 16 million |
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 (K300QM) | LG Optimus F3Q (D520) | |
System version | Android 10 | Android 4.1.2 Jelly Bean |
Firmware update | feature not registered | feature not registered |
User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
LG K31 (K300QM) | LG Optimus F3Q (D520) | |
Chipset | 64bit: MediaTek Helio P22 (MT6762) (12nm) | 32bit: Qualcomm Snapdragon 400 MSM8930 |
CPU | Octa-core, 2 processors: 4x 2GHz ARM Cortex-A53 (Quad-core) 4x 1.5GHz ARM Cortex-A53 (Quad-core) | Dual-core, 1 processor: 2x 1.2GHz Krait 200 (Dual-core) |
GPU graphical controller | PowerVR GE8320 (650MHz) | Qualcomm Adreno 305 |
Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
LG K31 (K300QM) | LG Optimus F3Q (D520) | |
RAM memory | 2GB LPDDR3 | 1GB LPDDR2 |
Internal storage | 32GB (17GB available) eMMC 5.1 | 4GB (1GB available) |
External storage | Until 512GB microSD, microSDXC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
LG K31 (K300QM) | LG Optimus F3Q (D520) | |
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 | Quad-Band 850/900/1800/1900 |
Primary 2G network | CDMA 800/1900, GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
Primary 3G network | CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100 | UMTS 850/1700/1900/2100 |
Primary 4G network | LTE Cat4 (2, 4, 5, 12, 13, 25, 26, 66, 71) TD-LTE (41) | LTE 700/1700/1900/2100 |
Primary 5G network | Not supported | Not supported |
Primary data network | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE | GPRS, EDGE, UMTS, HSDPA, HSUPA, 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 (K300QM) | LG Optimus F3Q (D520) | |
Back camera (main camera) | (dual camera) 13 megapixels 5MP ultrawide f/2.2120°1/5.0"1.12µm | 5 megapixels |
Main camera resolution | 4128x3096 pixels | 2560x1920 pixels |
Video recording (primary) | Full HD (1920x1080) 30 fps | Full HD (1920x1080) 30 fps |
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 | Supported |
Image stabilization | EIS: Digital stabilization | feature not registered |
Zoom | Only digital zoom | Only digital zoom |
Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
BSI sensor | Not supported | Not supported |
HDR | HDR photo on both cameras | HDR photo only main camera |
Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
LG K31 (K300QM) | LG Optimus F3Q (D520) | |
Front camera (secondary) | 5 megapixels | 0.3 megapixels |
Front camera resolution | 2560x1920 pixels | 640x480 pixels |
Video recording (secondary) | Full HD (1920x1080) | VGA (640x480) |
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 (K300QM) | LG Optimus F3Q (D520) | |
Loudspeaker | Supported | Supported |
Active noise cancellation | 2 microphones or more | Not supported |
Radio | Not supported | Not supported |
TV | Not supported | Not supported |
Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, DivX, H.264, H.263, WMV |
Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
LG K31 (K300QM) | LG Optimus F3Q (D520) | |
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 | 4.0 + A2DP |
WiFi | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) |
DLNA | Not supported | Supported |
GPS | A-GPS, GeoTagging | S-GPS, GeoTagging |
NFC | Not supported | Supported |
Infrared port | Not supported | feature not registered |
🧭 Sensors | ||
LG K31 (K300QM) | LG Optimus F3Q (D520) | |
Sensors | Accelerometer Fingerprint sensor (rear-mounted) | Accelerometer Ambient light sensor Proximity sensor |
Vibrating alert | Supported | Supported |
🔋 Battery | ||
LG K31 (K300QM) | LG Optimus F3Q (D520) | |
Battery type | Li-Ion: lithium-ion (Non removable) | Li-Ion: lithium-ion (Removable) |
Battery capacity | 3000 mAh | 2460 mAh |
Charger, watts | Wired charging | Wired charging |
Inductive / wireless charging | Not supported | feature not registered |
Talk time autonomy | 11 hours | 15 hours |
Standby | 528 hours (22 days) | 360 hours (15 days) |
➕ Other features | ||
LG K31 (K300QM) | LG Optimus F3Q (D520) | |
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 | Internal antenna | Internal antenna |
Qwerty physical keyboard | Not supported | Retractable QWERTY keyboard |
Miscellaneous | • Colors: Silver • LG UX 9.1 | • Colors: Blue • T-Mobile TV • Quick MEMO • HAC M3/T3 • WiFi hotspot • Java framework |
☢️ Radiation rate | ||
LG K31 (K300QM) | LG Optimus F3Q (D520) | |
SAR 1.6W/kg (USA, Mexico, etc.) | 0.61W/kg (head), 1.13W/kg (body) | feature not registered |
SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |