LG K7 vs. Samsung Galaxy A51

Phone Comparison, Reviews and Tests

In depth comparison and review of LG K7 and Samsung Galaxy A51. Compare sizes, cameras, batteries, memory, and other important specifications and features to easily choose the right phone for you. Our goal is to help you uncover differences between the products and find the phone that will best fit your needs.

Phone Specifications Comparison

LG K7 vs. Samsung Galaxy A51 Comparison Chart
DESIGN AND DIMENSIONS LG K7 Samsung Galaxy A51
Product Type Smartphone Smartphone
Manufacturer Model Number - SM-A515F/DSN
Form Factor Touch Touch
Height 143.6 mm 158.5 mm Samsung Galaxy A51 has greater height than LG K7.
Width 72.5 mm 73.6 mm Samsung Galaxy A51 has greater width than LG K7.
Depth 9.1 mm 7.9 mm Samsung Galaxy A51 is narrower than LG K7.
Weight 161 g 172 g LG K7 is lighter than LG K7.
Body Colour Silver Silver | Prism crush black | Haze crush silver | Prism crush blue | Prism crush white
Waterproof (Water-resistant) - -
SAR Value - 0.369 W/kg (head), 1.59 W/kg (body), 2.93 W/kg (limb)
Connector Type Headset jack - mini-phone 3.5mm
Micro-USB - 5 pin Micro-USB Type B
USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
SIM Card Type (Size) Micro SIM Nano SIM
SIM Card Qty - Dual-SIM
DISPLAY LG K7 Samsung Galaxy A51
Display Type LCD display OLED display
Display Technology TFT Super AMOLED
Screen Size (Display Size) 5" 6.5" Samsung Galaxy A51 has larger screen size than LG K7.
Screen Resolution (Display Resolution) 854 x 480 pixels 2400 x 1080 pixels Samsung Galaxy A51 has better screen resolution than LG K7.
Display Format - Full HD+
Pixel Density 196 ppi 408 ppi Samsung Galaxy A51 has better pixel density than LG K7.
Colour Depth 16.7 million colours 16.7 million colours Both phones have the same color depth.
Display Features - Edge-to-Edge screen, Infinity O display
Display Protection (Screen Protector) 2.5D Arc Glass -
PROCESSOR LG K7 Samsung Galaxy A51
Processor Type (CPU) Qualcomm Snapdragon 210 Samsung Exynos 9611
Clock Speed 1.1 GHz 2.3 GHz Samsung Galaxy A51 has higher clock speed than LG K7.
Processor Core Qty Quad-core 8-core Samsung Galaxy A51 has higher processor core quantity than LG K7.
64-bit Architecture - Yes Samsung Galaxy A51 has 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 304 -
MEMORY LG K7 Samsung Galaxy A51
RAM 1.5 GB 4 GB Samsung Galaxy A51 has more RAM than LG K7.
Internal Memory Size (Storage Capacity) 8 GB 128 GB Samsung Galaxy A51 has more internal memory than LG K7.
User Memory - 107 GB
Supported Flash Memory Cards (Expandable Memory) microSDHC - up to 32 GB microSDHC, microSDXC - up to 512 GB
CAMERA LG K7 Samsung Galaxy A51
MAIN CAMERA
Number of Main Cameras 1 4
Sensor Resolution 5 Megapixel 48 Megapixel Samsung Galaxy A51 has better camera resolution than LG K7.
Lens Aperture F/2.6 F/2.0 Samsung Galaxy A51 has better lens aperture than LG K7.
Focus Adjustment Automatic Automatic
Digital Zoom 4x 8x Samsung Galaxy A51 has better digital zoom than LG K7.
Self-Timer Delay Yes -
Camera Modes Gesture Shot Slow motion mode, Live Focus mode
Light Source LED light LED flash
Still Image Resolutions 2560 x 1920, 2560 x 1440 -
Video Resolutions 1280 x 720 (720p) Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps
Camera Features (Functions) - AR sticker, background blur, Scene Optimiser, Eye blink, Flaw detection, Stamp, Facial blur
SECOND CAMERA
Sensor Resolution (2nd Camera) - 12 Megapixel
Lens Type (2nd Camera) - Ultra wide-angle lens
Lens Aperture (2nd Camera) - F/2.2
Field of View (2nd Camera) - 123 degree(s)
THIRD CAMERA
Sensor Resolution (3rd Camera) - 5 Megapixel
Lens Aperture (3rd Camera) - F/2.4
Camera Functions (3rd Camera) - Macro camera
FOURTH CAMERA
Sensor Resolution (4th Camera) - 5 Megapixel
Lens Type (4th Camera) - Telephoto lens
Lens Aperture (4th Camera) - F/2.2
Camera Functions (4th Camera) - Depth camera
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 5 Megapixel 32 Megapixel Samsung Galaxy A51 has better front camera resolution than LG K7.
Lens Aperture (Front) - F/2.2
Focus Adjustment - Focus free
Video Resolutions (Front) 1280 x 720 (720p) -
BATTERY AND CHARGING LG K7 Samsung Galaxy A51
Battery Capacity (Battery Size) 2045 mAh 4000 mAh Samsung Galaxy A51 has larger battery capacity than LG K7.
Talk Time - 1920 minutes
Run Time Details - Active online usage (LTE): up to 15 hrs
Active online usage (Wi-Fi): up to 16 hrs
Playback (video): up to 20 hrs
Playback (audio): up to 87 hrs
Talk (4G): up to 1920 min
Battery Technology - Lithium Ion
CELLULAR LG K7 Samsung Galaxy A51
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System Android 5.1 (Lollipop) Android 10
User Interface - One UI
Intelligent Assistant - Bixby
Navigation GPS GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS LG K7 Samsung Galaxy A51
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM 850 GSM, 900 GSM, 1800 GSM, 1900 GSM
3G UMTS Band - Band 1, Band 2, Band 4, Band 5, Band 8
3G UMTS Frequency - 2100, 1900, 1700, 850, 900
4G LTE Band - Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 20, Band 26, Band 28, Band 38, Band 40, Band 41, Band 66
4G LTE Frequency - FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700c, FDD 700b, FDD 800 DD, FDD 850+, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3
Wireless Interface IEEE 802.11b/g/n IEEE 802.11a/b/g/n/ac, ANT+
Bluetooth Bluetooth 4.1 Bluetooth 5.0 LE
Bluetooth Profiles A2DP HFP, HSP, OPP, PAN, A2DP, AVRCP, HID, SAP, PBAP, MAP, HOGP
NFC - Yes Samsung Galaxy A51 has NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA LG K7 Samsung Galaxy A51
Supported Digital Audio Standards WAV, AAC, AMR, MP3, FLAC, AAC +, OGG, eAAC+, MIDI, M4A WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID
Supported Digital Video Standards MPEG-4, 3GP, WebM, 3G2 MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4
FEATURES LG K7 Samsung Galaxy A51
Phone Functions Speakerphone, call timer, conference call, flight mode, vibrating alert Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert
Sensors Accelerometer, proximity sensor Accelerometer, ambient light sensor, proximity sensor, gyro sensor, hall sensor, geomagnetic sensor
Security Devices - Fingerprint reader (under display)
Additional Phone Features Radio Data Service (RDS), KnockON, Knock Code function Fast Charging, Samsung KNOX, Bixby Vision, Game Booster, Bixby Routines
OTHERS LG K7 Samsung Galaxy A51
Included Accessories USB cable, power adapter Power adapter
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