LG K31 (K300QM) vs Blu G51 Plus
Side by side comparison between LG K31 vs Blu G51 Plus 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
6.5"
IPS
IPS
720x1600
13
MP
MP
8mp
3GB
RAM
RAM
Octa-core
4000
mAh
mAh
(Non removable)
What's the better phone? Blu G51 Plus
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 
12 Advantages | 23 Common items in both devices |
| eMMC 5.1 |
| Plastic body, glass front |
| TFT IPS LCD |
| 60Hz |
| 16 million |
| LED flash |
| Only digital zoom |
| +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 K31 (K300QM) | Blu G51 Plus | |
| Model | K31 (K300QM) | G51 Plus |
| Other model names | LG K31 (Unlocked), LMK300QMAUSASV, LM-K300Q | BLU G51 Plus G0510WW |
| Country or region available |  USA |  (Global, International) |
| Brand | LG | Blu |
| Release date | 8/21/2020 | 5/22/2021 |
| Depth | 8.6 millimeters (0.34 inches) | 9.3 millimeters (0.37 inches) |
| Size (width x height) | 71.12 x 147.83 millimeters (2.8 x 5.82 in) | 76.5 x 165 millimeters (3.01 x 6.5 in) |
| Weight | 146 grams (5.11 ounces) | 200 grams (7 ounces) |
| Build, materials | Plastic body, glass front | Plastic body, glass front |
| 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) | Blu G51 Plus | |
| Display type | TFT IPS LCD | TFT IPS LCD |
| Screen size | 5.7" inches | 6.5" inches |
| Screen-to-body ratio | ~77.1% (screen-to-body ratio) | ~80.8% (screen-to-body ratio) |
| Display resolution | 720x1520 pixels (19:9) | 720x1600 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 295 PPI | 270 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Panda King Glass | Not supported |
| Refresh rate | 60Hz | 60Hz |
| Display features | Not supported | Not supported |
🤖 Operating System | ||
| LG K31 (K300QM) | Blu G51 Plus | |
| System version | Android 10 | Android 11 |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| LG K31 (K300QM) | Blu G51 Plus | |
| Chipset | 64bit: MediaTek Helio P22 (MT6762) (12nm) | 64bit: Unisoc SC9863A (28nm) |
| CPU | Octa-core, 2 processors: 4x 2GHz ARM Cortex-A53 (Quad-core) 4x 1.5GHz ARM Cortex-A53 (Quad-core) | Octa-core, 2 processors: 4x 1.6GHz ARM Cortex-A55 (Quad-core) 4x 1.2GHz ARM Cortex-A55 (Quad-core) |
| GPU graphical controller | PowerVR GE8320 (650MHz) | PowerVR GE8322 MP2 (550MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| LG K31 (K300QM) | Blu G51 Plus | |
| RAM memory | 2GB LPDDR3 | 3GB LPDDR3 |
| Internal storage | 32GB (17GB available) eMMC 5.1 | 64GB (48GB available) eMMC 5.1 |
| External storage | Until 512GB microSD, microSDXC (dedicated slot) | Until 64GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| LG K31 (K300QM) | Blu G51 Plus | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 150/50 Mbps | 150/50 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 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat4 (2, 4, 5, 12, 13, 25, 26, 66, 71) TD-LTE (41) | LTE Cat4 (1, 2, 3, 4, 5, 7, 12, 17, 28) |
| 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, HSPA+, LTE |
| 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 K31 (K300QM) | Blu G51 Plus | |
| Back camera (main camera) | (dual camera) 13 megapixels 5MP ultrawide f/2.2120°1/5.0"1.12µm | (triple camera) 13 megapixels 0.3MP macro 0.3MP depth |
| Main camera resolution | 4128x3096 pixels | 4128x3096 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 | EIS: Digital stabilization |
| 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 on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| LG K31 (K300QM) | Blu G51 Plus | |
| Front camera (secondary) | 5 megapixels | 8 megapixels |
| Front camera resolution | 2560x1920 pixels | 3264x2448 pixels |
| Video recording (secondary) | Full HD (1920x1080) | HD (1280x720) |
| 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) | Blu G51 Plus | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | Not supported |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| LG K31 (K300QM) | Blu G51 Plus | |
| 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 | 4.1 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| LG K31 (K300QM) | Blu G51 Plus | |
| Sensors | Accelerometer Fingerprint sensor (rear-mounted) | Accelerometer Ambient light sensor Face unlock Fingerprint sensor (rear-mounted) Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| LG K31 (K300QM) | Blu G51 Plus | |
| Battery type | Li-Ion: lithium-ion (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 3000 mAh | 4000 mAh |
| Charger, watts | Wired charging | 10W (5V/2A) Wired charging |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | 11 hours | feature not registered |
| Standby | 528 hours (22 days) | feature not registered |
➕ Other features | ||
| LG K31 (K300QM) | Blu G51 Plus | |
| 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: Silver • LG UX 9.1 | • Colors: Black, Blue, Green, Red • Screen protector included • Rugged case included |
☢️ Radiation rate | ||
| LG K31 (K300QM) | Blu G51 Plus | |
| 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 |