Jiayu G4 (32GB) vs LG K31 (K300WM)
Side by side comparison between Jiayu G4 vs LG K31 phones, differences, pros, cons and full specifications. What's the better?
,
4.7"
IPS
IPS
720x1280
13
MP
MP
3.1mp
2GB
RAM
RAM
Quad-core
3000
mAh
mAh
(Removable)
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 (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!
10 Advantages 
14 Advantages | 19 Common items in both devices |
| 2GB / 2GB LPDDR3 |
| 16 million |
| LED flash |
| Only digital zoom |
| Autofocus / PDAF: phase detection autofocus |
| Full HD (1920x1080) |
| Capacitive |
| +12 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 | ||
| Jiayu G4 (32GB) | LG K31 (K300WM) | |
| Model | Jiayu G4 (32GB) | K31 (K300WM) |
| Other model names | JiaYu G4 Flagship edition, JiaYu JY-G4 Advanced | LG K31 (Spectrum Mobile), LMK300WM.ACANSV, LM-K300WM |
| Country or region available |  China |  Canada |
| Brand | Jiayu | LG |
| Release date | 2/1/2013 | 8/21/2020 |
| Depth | 10 millimeters (0.39 inches) | 8.6 millimeters (0.34 inches) |
| Size (width x height) | 65 x 133 millimeters (2.56 x 5.24 in) | 71.12 x 147.83 millimeters (2.8 x 5.82 in) |
| Weight | 180 grams (6.3 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 | ||
| Jiayu G4 (32GB) | LG K31 (K300WM) | |
| Display type | TFT LED-Backlit IPS LCD | TFT IPS LCD |
| Screen size | 4.7" inches | 5.7" inches |
| Screen-to-body ratio | ~70.4% (screen-to-body ratio) | ~77.1% (screen-to-body ratio) |
| Display resolution | 720x1280 pixels | 720x1520 pixels (19:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 312 PPI | 295 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass | Panda King Glass |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | Not supported |
🤖 Operating System | ||
| Jiayu G4 (32GB) | LG K31 (K300WM) | |
| System version | Android 4.1.2 Jelly Bean | Android 10 |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Jiayu G4 (32GB) | LG K31 (K300WM) | |
| Chipset | 32bit: MediaTek MT6589 | 64bit: MediaTek Helio P22 (MT6762) (12nm) |
| CPU | Quad-core, 1 processor: 4x 1.2GHz ARM Cortex-A7 (Quad-core) | Octa-core, 2 processors: 4x 2GHz ARM Cortex-A53 (Quad-core) 4x 1.5GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | PowerVR SXG544 | PowerVR GE8320 (650MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Jiayu G4 (32GB) | LG K31 (K300WM) | |
| RAM memory | 2GB | 2GB LPDDR3 |
| Internal storage | 32GB | 32GB (17GB available) eMMC 5.1 |
| External storage | Until 64GB microSD, microSDXC (dedicated slot) | Until 512GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Jiayu G4 (32GB) | LG K31 (K300WM) | |
| 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 | 14.4/5.76 Mbps | 150/50 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 850/900/1900/2100 |
| Primary 4G network | Not supported | LTE Cat4 (2, 4, 5, 12, 13, 66) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, 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, EDGE | Not supported |
📷 Camera | ||
| Jiayu G4 (32GB) | LG K31 (K300WM) | |
| Back camera (main camera) | 13 megapixels | (dual camera) 13 megapixels 5MP ultrawide f/2.2120°1/5.0"1.12µm |
| Main camera resolution | 4032x3224 pixels | 4128x3096 pixels |
| Video recording (primary) | Full HD (1920x1080) | Full HD (1920x1080) 30 fps |
| Flash | LED flash | 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 | Autofocus | 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 | Face detection | 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 | ||
| Jiayu G4 (32GB) | LG K31 (K300WM) | |
| Front camera (secondary) | 3.1 megapixels | 5 megapixels |
| Front camera resolution | 2048x1536 pixels | 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 | ||
| Jiayu G4 (32GB) | LG K31 (K300WM) | |
| 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.264, H.263, WMV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+ | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Jiayu G4 (32GB) | LG K31 (K300WM) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 2.0 + A2DP | 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 | A-GPS, GeoTagging | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | feature not registered | Not supported |
🧭 Sensors | ||
| Jiayu G4 (32GB) | LG K31 (K300WM) | |
| Sensors | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor | Accelerometer Fingerprint sensor (rear-mounted) |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Jiayu G4 (32GB) | LG K31 (K300WM) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 3000 mAh | 3000 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | feature not registered | 11 hours |
| Standby | 146.7 hours (6.1 days) | 528 hours (22 days) |
➕ Other features | ||
| Jiayu G4 (32GB) | LG K31 (K300WM) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder, Voice commands |
| 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 | Not supported |
| Miscellaneous | • Colors: Black, White • WiFi hotspot • Java framework | • Colors: Silver • LG UX 9.1 |
☢️ Radiation rate | ||
| Jiayu G4 (32GB) | LG K31 (K300WM) | |
| 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 |