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LG K51 (K500MM) vs Samsung Duos B5722

Side by side comparison between LG K51 vs Samsung Duos B5722 phones, differences, pros, cons and full specifications. What's the better?

,
6.5"
IPS

720x1560

13
MP

13mp

3GB
RAM

Octa-core

4000
mAh

(Non removable)

vs
04Points Samsung Duos B5722 Compare LG K51 X
2.8"
TFT

240x320

3.1
MP
N/A
1200
mAh

(Removable)

What's the better phone? LG K51 (K500MM)

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!

K51 (K500MM)} 27 Advantages LG K51 (K500MM) vs Duos B5722} 4 Advantages Samsung Duos B5722
+32GB (18GB available)613 times
More internal storage for applications and files
vs30MB
+Until 1TB microSD, microSDXC127 times
More external storage for files using memory cards
vsUntil 8GB microSD
+8.47 millimeters (0.33 inches)70%
Thinner
vs14.4 millimeters (0.57 inches)
+TFT IPS LCDAdvantage
TFT IPS LCD display is brighter and more vivid
vsTFT LCD
+16 million61 times
More colors on the screen is better quality images and videos
vs260 thousand
+720x1560 pixels14 times
Higher resolution screen
vs240x320 pixels
+264 PPI85%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs143 PPI
+6.5"132%
Larger screen
vs2.8"
+(triple camera) 13MP + 5MP + 2MP5 times
Higher resolution main camera
vs(back) 3.1MP
+Only digital zoomAdvantage
The zoom allows for better focus and approach to take pictures
vsNot supported
+PDAF: phase detection autofocusAdvantage
Best autofocus type for taking pictures
vsNot supported
+(front) 13MPAdvantage
A front-camera is best for taking selfies
vsNot supported
+Full HD (1920x1080)26 times
More image quality for recording videos with the primary camera
vsQVGA (320x240)
+3500000 apps (Google Play Store)349999 times
More apps available to download and use
vs10 apps
+4G LTE-AAdvantage
The 4G LTE-A network is newer and faster
vs2G EDGE
+(4G LTE-A) 300 Mbps1270 times
Faster for surfing the internet and download files
vs(2G EDGE) 0.236 Mbps
+MultitouchAdvantage
Better touch type. Multitouch allows to use more fingers at the same time.
vsSingle
+Accelerometer, Proximity sensor, Compass, Ambient light sensor, Gyroscope, Fingerprint sensor (rear-mounted)Advantage
Sensors help you use the device
vsNot supported
+4000 mAh2 times
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs1200 mAh
+3.5mm jackAdvantage
Headsets with 3.5mm Jack size are more common and easy to find in stores
vsproprietary audio output
+A-GPS, GeoTagging, GLONASSAdvantage
It's harder to lose yourself in the city with GPS on your device
vsNot supported
+802.11 a/b/g/n/ac [wifi5]Advantage
WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster
vsNot supported
+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster
vs2.1 + A2DP
+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.
vsUSB 2.0 proprietary connector
+HTML, XHTML, HTML5Advantage
Better sites viewing on the internet
vsHTML, XHTML
+Panda King GlassAdvantage
Protection against scratches on the screen lets you carry your phone with your keys
vsNot supported
+MIL-STD-810G military certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example
vsNot supported
204 grams (7.14 ounces)vs+105 grams (3.68 ounces)94%
Lighter
LiPo: li-ion polymer (Non removable)vs+Li-Ion: lithium-ion (Removable)Advantage
Removable battery can be replaced easily
1 slot (Single-SIM)
(dedicated slot)
vs+2 slots (Dual-SIM)
(dedicated slot)Advantage
You can have more mobile carriers/operators on the same device.
Not supportedvs+FM (RDS)Advantage
The radio lets you listen to your songs and sports in general

3 Common items in both devices
LED flash
Capacitive
USB 2.0 Type-C, USB OTG On-The-Go / USB 2.0 proprietary connector
+ 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 K51 (K500MM)Samsung Duos B5722
 
ModelK51 (K500MM)Duos B5722
Other model namesLG K51 (Metro by T-Mobile) LMK500MMAMTPTN, LM-K500MMSamsung B5722 Duos, GT-B5722, GT-B5722C
Country or region availableUSA
USA
feature not registered
BrandLGSamsung
Release date5/1/202012/1/2009
Depth8.47 millimeters (0.33 inches)14.4 millimeters (0.57 inches)
Size (width x height)77.92 x 166.96 millimeters (3.07 x 6.57 in)54.9 x 104 millimeters (2.16 x 4.09 in)
Weight204 grams (7.14 ounces)105 grams (3.68 ounces)
Build, materialsPlastic body, glass frontfeature not registered
Protection against water and othersMIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant.Not supported

📲 Display

LG K51 (K500MM)Samsung Duos B5722
Display typeTFT IPS LCDTFT LCD
Screen size6.5" inches2.8" inches
Screen-to-body ratio~79.7% (screen-to-body ratio)~42.5% (screen-to-body ratio)
Display resolution720x1560 pixels (19.5:9)240x320 pixels
TouchscreenCapacitive MultitouchCapacitive Single touch 1-point
Pixel density (dot pitch)264 PPI143 PPI
Colors16 million260 thousand
Scratch-resistant glassPanda King GlassNot supported
Refresh rate60Hzfeature not registered
Display featuresNot supportedfeature not registered

🤖 Operating System

LG K51 (K500MM)Samsung Duos B5722
System versionAndroid 10Proprietary OS
Firmware updatefeature not registeredfeature not registered
User Interfacefeature not registeredfeature not registered

⚙️ Processor

LG K51 (K500MM)Samsung Duos B5722
Chipset64bit: MediaTek Helio P22 (MT6762) (12nm)32bit
CPUOcta-core, 2 processors:
4x 2GHz ARM Cortex-A53 (Quad-core)
4x 1.5GHz ARM Cortex-A53 (Quad-core)
Single-core, 1 processor:
Single-core
GPU graphical controllerPowerVR GE8320 (650MHz)feature not registered
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

LG K51 (K500MM)Samsung Duos B5722
RAM memory3GB LPDDR3feature not registered
Internal storage32GB (18GB available)
eMMC 5.1
30MB
External storageUntil 1TB microSD, microSDXC
(dedicated slot)
Until 8GB microSD
(dedicated slot)

📶 Mobile networks

LG K51 (K500MM)Samsung Duos B5722
Dual-SIMNot supportedDual-SIM Standby - Call active on one sim card
(dedicated slot)
SIM card1 slot (Single-SIM)
nano-SIM (4FF)
2 slots (Dual-SIM)
Standard mini-SIM (2FF)
Maximum Download / Upload300/50 Mbps0.236 Mbps
Network technology2G, 3G, 4G2G
Frequency, bands Expand band details Collapse 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 850/900/1900/2100Not supported
Primary 4G networkLTE Cat6 (1, 2, 3, 4, 5, 7, 12, 13, 20, 25, 26, 66, 71)
TD-LTE (38, 41)
Not supported
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, EDGE
Secondary 2G networkNot supportedGSM 900/1800
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkNot supportedGPRS

📷 Camera

LG K51 (K500MM)Samsung Duos B5722
Back camera (main camera)(triple camera)
13 megapixels
5MP ultrawide f/2.21.12μm1/5"115°
2MP depth f/2.41.75μm1/5"85°
3.1 megapixels
Main camera resolution4128x3096 pixels2048x1536 pixels
Video recording (primary)Full HD (1920x1080) 30 fpsQVGA (320x240) 15 fps
FlashLED flashLED flash
Focal aperturef/1.8 (aperture)feature not registered
Focal length26mm lensfeature not registered
Sensor size1/3" inchesfeature not registered
Pixel size1.12µm pixelfeature not registered
AutofocusPDAF: phase detection autofocusNot supported
Touch focusSupportedfeature not registered
Image stabilizationEIS: Digital stabilizationfeature not registered
ZoomOnly digital zoomNot supported
Face/smile detectionFace detection, Smile detectionfeature not registered
BSI sensorNot supportedfeature not registered
HDRHDR photo on both camerasfeature not registered
Camera extrasfeature not registeredfeature not registered

📸 Front camera

LG K51 (K500MM)Samsung Duos B5722
Front camera (secondary)13 megapixelsNot supported
Front camera resolution4128x3096 pixelsNot supported
Video recording (secondary)Full HD (1920x1080)Not supported
Front flashNot supportedNot supported
Focal aperturef/2.0 (aperture)feature not registered
Focal lengthfeature not registeredfeature not registered
Sensor size1/3" inchesfeature not registered
Pixel size1.12µm pixelfeature not registered

🔉 Sound and multimedia

LG K51 (K500MM)Samsung Duos B5722
LoudspeakerSupportedSupported
Active noise cancellation2 microphones or morefeature not registered
RadioNot supportedFM (RDS)
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviD, MKVMP4, H.264, H.263
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+

🔌 Connectivity

LG K51 (K500MM)Samsung Duos B5722
USBUSB 2.0 Type-C, USB OTG On-The-GoUSB 2.0 proprietary connector
Audio output3.5mm jackproprietary audio output
TV outputNot supportedNot supported
Bluetooth5.0 + A2DP/LE2.1 + A2DP
WiFi802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
Not supported
DLNANot supportedfeature not registered
GPSA-GPS, GeoTagging, GLONASSNot supported
NFCNot supportedNot supported
Infrared portNot supportedfeature not registered

🧭 Sensors

LG K51 (K500MM)Samsung Duos B5722
SensorsAccelerometer
Ambient light sensor
Compass
Fingerprint sensor (rear-mounted)
Gyroscope
Proximity sensor
Not supported
Vibrating alertSupportedSupported

🔋 Battery

LG K51 (K500MM)Samsung Duos B5722
Battery typeLiPo: li-ion polymer (Non removable)Li-Ion: lithium-ion (Removable)
Battery capacity4000 mAh1200 mAh
Charger, watts10W (5V/2A) Wired chargingWired charging
Inductive / wireless chargingNot supportedfeature not registered
Talk time autonomy21 hours4.5 hours
Standby576 hours (24 days)400 hours (16.7 days)

➕ Other features

LG K51 (K500MM)Samsung Duos B5722
Call controlVoice dialing, Voice recorderVoice recorder
MessagingSMS (T9), MMS, E-mail, Push mailSMS, MMS, E-mail
Hands-free callingSupportedSupported
Video callingSupportedNot supported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML
AntennaInternal antennaInternal antenna
Qwerty physical keyboardNot supportedNot supported
Miscellaneous• Colors: Titan gray
• Google Assistant
• DTS:X 3D sound surround
• HAC M3/T3
• Colors: Black, Dark Brown, Elegant Pink
• Samsung TouchWiz Lite v1.0
• DNSe (Digital Natural Sound Engine)
• Java framework

☢️ Radiation rate

LG K51 (K500MM)Samsung Duos B5722
SAR 1.6W/kg (USA, Mexico, etc.)feature not registered0.77W/kg (head), 0.69W/kg (body)
SAR 2W/kg (Europe, UK, etc.)feature not registered0.685W/kg (head)
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