Samsung Galaxy J7 Prime vs. LG K40

Phone Comparison, Reviews and Tests

Detailed comparison and review of Samsung Galaxy J7 Prime and LG K40. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.

Phone Specifications Comparison

Samsung Galaxy J7 Prime vs. LG K40 Comparison Chart
DESIGN AND DIMENSIONS Samsung Galaxy J7 Prime LG K40
Product Type Smartphone Smartphone
Manufacturer Model Number SM-G610F/DS LM-X420EMW
Form Factor Touch Touch
Height 151.7 mm 153 mm LG K40 has greater height than Samsung Galaxy J7 Prime.
Width 75 mm 71.9 mm Samsung Galaxy J7 Prime has greater width than LG K40.
Depth 8 mm 8.3 mm Samsung Galaxy J7 Prime is narrower than Samsung Galaxy J7 Prime.
Weight 167 g 145 g LG K40 is lighter than Samsung Galaxy J7 Prime.
Body Colour Black | Gold New Aurora Black | Moroccan blue
Waterproof (Water-resistant) - -
SAR Value 1.4 W/kg (body), 0.402 W/kg (head) 1.597 W/kg (body), 0.518 W/kg (head)
Integrated Components - FM radio
Connector Type Micro-USB - 5 pin Micro-USB Type B
Headset jack - mini-phone 3.5mm
Headset jack - mini-phone 3.5mm
Micro-USB - 5 pin Micro-USB Type B
SIM Card Type (Size) Nano SIM -
SIM Card Qty Dual-SIM Dual-SIM
DISPLAY Samsung Galaxy J7 Prime LG K40
Display Type LCD display LCD display
Display Technology PLS IPS
Screen Size (Display Size) 5.5" 5.7" LG K40 has larger screen size than Samsung Galaxy J7 Prime.
Screen Resolution (Display Resolution) 1920 x 1080 pixels 1440 x 720 pixels Samsung Galaxy J7 Prime has better screen resolution than LG K40.
Display Format Full HD HD
Pixel Density - 282 ppi
Aspect Ratio - 18:9
Colour Depth 16.7 million colours -
Display Features - Curved glass, FullVision display
PROCESSOR Samsung Galaxy J7 Prime LG K40
Processor Type (CPU) - MediaTek
Processor Number - MT6762
Clock Speed 1.6 GHz 2 GHz LG K40 has higher clock speed than Samsung Galaxy J7 Prime.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture - Yes LG K40 has 64-bit architecture.
Graphics System (GPU) - PowerVR GE8320
MEMORY Samsung Galaxy J7 Prime LG K40
RAM 3 GB 2 GB Samsung Galaxy J7 Prime has more RAM than LG K40.
Internal Memory Size (Storage Capacity) 16 GB 32 GB LG K40 has more internal memory than Samsung Galaxy J7 Prime.
User Memory 10.3 GB 20.2 GB
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 256 GB microSDHC, microSDXC - up to 2 TB
CAMERA Samsung Galaxy J7 Prime LG K40
MAIN CAMERA
Number of Main Cameras 1 1
Sensor Resolution 13 Megapixel 16 Megapixel LG K40 has better camera resolution than Samsung Galaxy J7 Prime.
Sensor Size - 1/3"
Sensor Type CMOS -
Lens Aperture F/1.9 F/2.0 Samsung Galaxy J7 Prime has better lens aperture than Samsung Galaxy J7 Prime.
Pixel Size - 1 μm
Focus Adjustment Automatic Automatic
Light Source LED light LED flash
Video Resolutions 1920 x 1080 (1080p) at 30 fps -
Camera Features (Functions) - Phase Detect Auto-Focus (PDAF), GIF Creation, 8 different scenes
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 8 Megapixel 8 Megapixel Both phones have the same front camera resolution.
Sensor Size (Front) - 1/4"
Sensor Type (Front) CMOS -
Lens Aperture (Front) F/1.9 F/2.0 Samsung Galaxy J7 Prime has better front lens aperture than Samsung Galaxy J7 Prime.
Pixel Size (Front) - 1.12 μm
Camera Modes (Front) - Portrait mode
Light Source (Front) - LED flash
BATTERY AND CHARGING Samsung Galaxy J7 Prime LG K40
Battery Capacity (Battery Size) 3300 mAh 3000 mAh Samsung Galaxy J7 Prime has larger battery capacity than LG K40.
Standby Time - 100 hours
Talk Time 1260 minutes 480 minutes Samsung Galaxy J7 Prime has longer battery life when making calls than LG K40.
Run Time Details Talk (WCDMA): up to 1260 min
Active online usage (WCDMA): up to 12 hrs
Active online usage (LTE): up to 15 hrs
Active online usage (Wi-Fi): up to 16 hrs
Playback (audio): up to 84 hrs
Playback (video): up to 14 hrs
Talk: up to 480 min
Standby: up to 100 hrs
Battery Technology - Lithium Ion
CELLULAR Samsung Galaxy J7 Prime LG K40
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System Google Android Android 8.1 Oreo
Intelligent Assistant - Google Assistant
Navigation GPS, GLONASS, BeiDou GPS
COMMUNICATIONS Samsung Galaxy J7 Prime LG K40
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-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 5, Band 8 -
3G UMTS Frequency 2100, 1900, 850, 900 -
4G LTE Band Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 38, Band 40 Band 1, Band 3, Band 7, Band 8, Band 20, Band 38
4G LTE Frequency FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 2300 FDD 2100, FDD 1800+, FDD 2600, FDD 900, FDD 800 DD, TDD 2600
Wireless Interface IEEE 802.11b/g/n IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 4.1 Bluetooth 5.0 LE
Bluetooth Profiles HFP, HSP, OPP, PAN, A2DP, AVRCP, PBAP, MAP, HOGP -
NFC - Yes LG K40 has NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA Samsung Galaxy J7 Prime LG K40
Supported Digital Audio Standards WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID WMA, AAC, PCM, MP3, FLAC, AAC +, eAAC+, OPUS, AMR-WB, AMR-NB, Vorbis
Supported Digital Video Standards MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 -
Sound Enhancements - DTS: X 3D Premium Sound
FEATURES Samsung Galaxy J7 Prime LG K40
Phone Functions Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert
Sensors Accelerometer, proximity sensor Ambient light sensor, proximity sensor
Security Devices Fingerprint reader Face recognition, fingerprint reader
Additional Phone Features - Google Lens, Google Assistant Key, AI Cam
OTHERS Samsung Galaxy J7 Prime LG K40
Included Accessories Power adapter Power adapter
Compliant Standards - MIL-STD 810G
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