Skip to content

LG K7 (3G) vs LG Q51 (Q510N)

Side by side comparison between LG K7 vs LG Q51 phones, differences, pros, cons with full specifications. What's the better?

,
LG K7 (3G)
5"
IPS

480x854

5
MP

5mp

1GB
RAM

32bit Quad

2125
mAh

(Removable)

vs
LG Q51 (Q510N)
6.5"
IPS

720x1560

13
MP

13mp

3GB
RAM

64bit Octa

4000
mAh

(Non removable)

What's the better phone? LG Q51 (Q510N)

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!

K7 (3G)2 Advantages LG K7 (3G)vsQ51 (Q510N)26 Advantages LG Q51 (Q510N)
+158 grams (5.53 ounces)29%
Lighter
vs204 grams (7.14 ounces)
+Li-Ion: Lithium-Ion (Removable)Advantage
Removable battery can be replaced easily
vsLiPo: Li-Ion polymer (Non removable)
1.3Ghz 32bit Quad-Corevs+2Ghz 64bit Octa-Core133%
More powerful processor, you can open your applications faster
1GB LPDDR2vs+3GB LPDDR32 times
More RAM memory. Typically more responsive and better for multitasking.
8GB (4GB available)vs+32GB (16GB available)3 times
More internal storage for applications and files
Until 32GB microSD, microSDHCvs+Until 1TB microSD, microSDXC31 times
More external storage for files using memory cards
9 millimeters (0.35 inches)vs+8.47 millimeters (0.33 inches)6%
Thinner
480x854 pixelsvs+720x1560 pixels174%
Higher resolution screen
196 PPIvs+264 PPI35%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
5"vs+6.5"30%
Larger screen
(back) 5MPvs+(triple camera) 13MP + 5MP + 2MP3 times
Higher resolution main camera
HDR photo only main cameravs+HDR photo on both camerasAdvantage
The HDR technology produced photos with more detail in dark areas
(front) 5MPvs+(front) 13MP160%
Higher resolution secondary camera to take pictures and selfies
(front) HD (1280x720)vs+(front) Full HD (1920x1080)125%
More image quality for recording videos with the secondary camera
Android 5.1.1 Lollipopvs+Android 9.0 PieAdvantage
Android 9.0 Pie is newer and safer
3G+ HSPA+vs+4G+ LTE-AAdvantage
The 4G+ LTE-A network is newer and faster
(3G+ HSPA+) 21 Mbpsvs+(4G+ LTE-A) 300 Mbps13 times
Faster for surfing the internet and download files
Not supportedvs+CompassAdvantage
Sensors help you use the device
Not supportedvs+GyroscopeAdvantage
Sensors help you use the device
Not supportedvs+Fingerprint sensor (rear-mounted)Advantage
Sensors help you use the device
2125 mAhvs+4000 mAh88%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
Not supportedvs+Active noise cancellationAdvantage
Noise-canceling microphone allows better call quality
802.11 b/g/n (2.4Ghz)vs+802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMOAdvantage
WiFi 802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO is newer and faster
4.0 + A2DPvs+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster
Not supportedvs+NFCAdvantage
NFC allows you to make payments by approach quickly and securely
MicroUSB 2.0vs+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.
Not supportedvs+Panda King GlassAdvantage
Protection against scratches on the screen lets you carry your phone with your keys
Not supportedvs+MIL-STD-810G military certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example

19 Common items in both devices
TFT IPS LCD
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 differencesClear highlight
Physical featuresLG K7 (3G)LG Q51 (Q510N)
ModelK7 (3G)Q51 (Q510N)
Other model namesLG K Series K7 HSPA, LG M1LG Q51 LM-Q510N, LMQ510N (Q 시리즈)
Country or region available(Europe)
(Europe)
South Korea
South Korea
BrandLGLG
Release dateJanuary, 2016February, 2020
Depth9 millimeters (0.35 inches)8.47 millimeters (0.33 inches)
Size (width x height)72.39 x 143.51 millimeters (2.85 x 5.65 in)77.92 x 166.96 millimeters (3.07 x 6.57 in)
Weight158 grams (5.53 ounces)204 grams (7.14 ounces)
Qwerty physical keyboardNot supportedNot supported
AntennaInternal antennaInternal antenna
Build, materialsfeature not registeredPlastic body, glass front
Protection against water and othersNot supportedMIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant.
System (OS)LG K7 (3G)LG Q51 (Q510N)
Operating systemAndroid 5.1.1 LollipopAndroid 9.0 Pie
Firmware updatefeature not registeredfeature not registered
HardwareLG K7 (3G)LG Q51 (Q510N)
Chipset32bit - MediaTek MT6580M (28nm)64bit - MediaTek MT6762 Helio P22 (12nm)
CPU processor1.3Ghz Quad-Core ARM Cortex-A7Octa-Core, 2 processors:
2Ghz Quad-Core ARM Cortex-A53
1.5Ghz Quad-Core ARM Cortex-A53
GPU graphical controllerARM Mali-400 MP2 400MhzPowerVR GE8320 650Mhz
RAM memory1GB LPDDR23GB LPDDR3
Internal storage8GB (4GB available)32GB (16GB available)
eMMC 5.1
External storageUntil 32GB microSD, microSDHC
(dedicated slot)
Until 1TB microSD, microSDXC
(dedicated slot)
DisplayLG K7 (3G)LG Q51 (Q510N)
Display typeTFT IPS LCDTFT IPS LCD
Screen size5" inches6.5" inches
Screen-to-body ratio~66.3% (screen-to-body ratio)~79.7% (screen-to-body ratio)
Display resolution480x854 pixels720x1560 pixels (19.5:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)196 PPI264 PPI
Colors16 million16 million
Scratch-resistant glassNot supportedPanda King Glass
Display featuresfeature not registered60Hz
Mobile networksLG K7 (3G)LG Q51 (Q510N)
Dual-SIMNot supportedNot supported
SIM card1 slot (Single-SIM)
nano-SIM (4FF)
1 slot (Single-SIM)
nano-SIM (4FF)
Maximum download/upload21/5.76 Mbps300/50 Mbps
Network technology2G, 3G2G, 3G, 4G
Frequency, bandsExpand band detailsCollapse details
GSM Mhz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkUMTS 850/900/1900/2100UMTS 800/850/900/1900/2100
Primary 4G networkNot supportedLTE Cat6 (1, 3, 7, 8, 20)
TD-LTE (38)
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G networkNot supportedNot supported
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkNot supportedNot supported
CallingLG K7 (3G)LG Q51 (Q510N)
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
SpeakerphoneSupportedSupported
Video callingSupportedSupported
Call controlVoice dialing, Voice recorderVoice dialing, Voice recorder
CameraLG K7 (3G)LG Q51 (Q510N)
Back camera (main camera)5 megapixels(triple camera)
13 megapixels
5MP ultrawidef/2.21.12μm1/5"115º
2MP depthf/2.41.75μm1/5"85º
Main camera resolution2560x1920 pixels4128x3096 pixels
Video recording (primary)Full HD (1920x1080) 30 fpsFull HD (1920x1080) 30 fps
FlashLED flashLED flash
Focal aperturefeature not registeredf/1.8 (aperture)
Focal lengthfeature not registered26mm lens
Sensor sizefeature not registered1/3" inches
Pixel sizefeature not registered1.12µm pixel
AutofocusAutofocusPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationfeature not registeredEIS: Digital stabilization
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorNot supportedNot supported
HDRHDR photo only main cameraHDR photo on both cameras
2ª cameraLG K7 (3G)LG Q51 (Q510N)
Front camera (secondary)5 megapixels13 megapixels
Front camera resolution2560x1920 pixels4128x3096 pixels
Video recording (secondary)HD (1280x720)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturefeature not registeredf/2.0 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registered1/3" inches
Pixel sizefeature not registered1.12µm pixel
MultimediaLG K7 (3G)LG Q51 (Q510N)
RadioFMFM
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviDMP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC
ConnectivityLG K7 (3G)LG Q51 (Q510N)
USBMicroUSB 2.0USB 2.0 Type-C, USB OTG On-The-Go
TV outputNot supportedNot supported
Audio output3.5mm jack3.5mm jack
Bluetooth4.0 + A2DP5.0 + A2DP/LE
WiFi802.11 b/g/n (2.4Ghz)802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO
DLNANot supportedNot supported
NFCNot supportedSupported
GPSA-GPS, GeoTaggingA-GPS, GeoTagging, GLONASS
Infrared portNot supportedNot supported
Other functionsLG K7 (3G)LG Q51 (Q510N)
Active noise cancellationNot supportedSupported
Vibrating alertSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
SensorsAccelerometer
Proximity sensor
Ambient Light sensor
Accelerometer
Proximity sensor
Compass
Ambient Light sensor
Gyroscope
Fingerprint sensor (rear-mounted)
Other features- Colors: Black, White, Gold, Titan
- 2.5D Arc Glass
- Knock Code, Knock On
- Take still shots while recording video
- WiFi direct, hotspot
- Colors: Titan gray, White
- Google Assistant
- DTS:X 3D surround sound
- WiFi direct, hotspot
Power supplyLG K7 (3G)LG Q51 (Q510N)
BatteryLi-Ion: Lithium-Ion (Removable)LiPo: Li-Ion polymer (Non removable)
Battery capacity2125 mAh4000 mAh
Charger, watts Standard charging10W (5V/2A) Standard charging
Talk time autonomy420 minutes | 7 hours | 0.3 day1260 minutes | 21 hours | 0.9 day
Standby21000 minutes | 350 hours | 14.6 days34560 minutes | 576 hours | 24 days
Radiation rateLG K7 (3G)LG Q51 (Q510N)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)0.435W/kg (head)feature not registered
X

We use cookies to provide and improve our services. By using our site, you consent to cookies. See more details: Privacy policy.