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LG K51S (K510EMW) vs Xiaomi Redmi Note 4 (MTK 64GB/3GB)

Side by side comparison between LG K51S vs Xiaomi Redmi Note 4 phones, differences, pros, cons and full specifications. What's the better?

,
6.55"
IPS

720x1600

32
MP

13mp

3GB
RAM

Octa-core

4000
mAh

(Non removable)

vs
11Points Xiaomi Redmi Note 4 (MTK 64GB/3GB) Compare LG K51S X
5.5"
IPS

1080x1920

13
MP

5mp

3GB
RAM

Deca-core

4100
mAh

(Non removable)

What's the better phone? LG K51S (K510EMW)

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!

K51S (K510EMW)} 16 Advantages LG K51S (K510EMW) vs Redmi Note 4 (MTK 64GB/3GB)} 11 Advantages Xiaomi Redmi Note 4 (MTK 64GB/3GB)
+2.3GHz 64bit Octa-core (12nm)20%
More powerful processor, you can open your applications faster
vs2.1GHz 64bit Deca-core
+Until 1TB microSD, microSDXC3 times
More external storage for files using memory cards
vsUntil 256GB microSD, microSDXC
+8.26 millimeters (0.33 inches)1%
Thinner
vs8.35 millimeters (0.33 inches)
+6.55"19%
Larger screen
vs5.5"
+(quad camera) 32MP + 5MP + 2MP + 2MP2 times
Higher resolution main camera
vs(back) 13MP
+f/1.8 (aperture)11%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
vsf/2.0 (aperture)
+(front) 13MP154%
Higher resolution secondary camera to take pictures and selfies
vs(front) 5MP
+(front) Full HD (1920x1080)125%
More image quality for recording videos with the secondary camera
vs(front) HD (1280x720)
+Android 9.0 PieAdvantage
Android 9.0 Pie is newer and safer
vsAndroid 7.0 Nougat
+(4G LTE-A) 300 Mbps100%
Faster for surfing the internet and download files
vs(4G LTE) 150 Mbps
+2 slots (Dual-SIM)
(dedicated slot)Advantage
You can have more mobile carriers/operators on the same device.
vs2 slots (Dual-SIM)
(hybrid slot/shares the same microSD slot)
+DLNAAdvantage
With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
vsNot supported
+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster
vs4.2 + A2DP
+NFCAdvantage
NFC allows you to make payments by approach quickly and securely
vsNot supported
+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.
vsMicroUSB 2.0
+MIL-STD-810G military certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example
vsNot supported
64GB (47GB available)vs+64GB (54GB available)15%
More internal storage for applications and files
194 grams (6.79 ounces)vs+175 grams (6.13 ounces)11%
Lighter
Plastic body, glass frontvs+Aluminum body, glass frontAdvantage
More resistant material
720x1600 pixelsvs+1080x1920 pixels80%
Higher resolution screen
268 PPIvs+401 PPI50%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
LED flashvs+Dual-LED flashAdvantage
The Dual-LED flash helps in dark places or in low light
Not supportedvs+BSI sensorAdvantage
The BSI sensor allows the entry of more light generating photos with more detail and brightness
Not supportedvs+GyroscopeAdvantage
Sensors help you use the device
4000 mAhvs+4100 mAh2%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
Not supportedvs+FMAdvantage
The radio lets you listen to your songs and sports in general
802.11 a/b/g/n [wifi4]vs+802.11 a/b/g/n/ac [wifi5]Advantage
WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster

25 Common items in both devices
3GB LPDDR3
TFT IPS LCD
16 million
Only digital zoom
PDAF: phase detection autofocus
EIS: Digital stabilization
HDR photo on both cameras
+18 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 K51S (K510EMW)Redmi Note 4 (MTK 64GB/3GB)
ModelK51S (K510EMW)Redmi Note 4 (MTK 64GB/3GB)
Other model namesLG K51s LM-K510EMW, LMK510EMW (Dual-Sim + NFC)红米Note 4, Redmi Note 4 (MediaTek) Deca-Core, Xiaomi Nikel
Country or region available(Europe)(Global, International)
(Europe), (Global, International)
ChinaHong Kong
China, Hong Kong
BrandLGXiaomi
Release date4/1/20208/1/2016
Depth8.26 millimeters (0.33 inches)8.35 millimeters (0.33 inches)
Size (width x height)76.7 x 165.2 millimeters (3.02 x 6.5 in)76 x 151 millimeters (2.99 x 5.94 in)
Weight194 grams (6.79 ounces)175 grams (6.13 ounces)
Build, materialsPlastic body, glass frontAluminum body, glass front
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 K51S (K510EMW)Redmi Note 4 (MTK 64GB/3GB)
Display typeTFT IPS LCDTFT IPS LCD
Screen size6.55" inches5.5" inches
Screen-to-body ratio~81.7% (screen-to-body ratio)~72.7% (screen-to-body ratio)
Display resolution720x1600 pixels (20:9)1080x1920 pixels
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)268 PPI401 PPI
Colors16 million16 million
Scratch-resistant glassNot supportedNot supported
Refresh rate60Hzfeature not registered
Display features400nits[typ]feature not registered

🤖 Operating System

LG K51S (K510EMW)Redmi Note 4 (MTK 64GB/3GB)
System versionAndroid 9.0 PieAndroid 6.0.1 Marshmallow
Firmware updatefeature not registeredAndroid 7.0 Nougat
User Interfacefeature not registeredfeature not registered

⚙️ Processor

LG K51S (K510EMW)Redmi Note 4 (MTK 64GB/3GB)
Chipset64bit: MediaTek Helio P35 (MT6765) (12nm)64bit: MediaTek MT6797 Helio X20 (20nm)
CPUOcta-core, 2 processors:
4x 2.3GHz ARM Cortex-A53 (Quad-core)
4x 1.8GHz ARM Cortex-A53 (Quad-core)
Deca-core, 3 processors:
2x 2.1GHz ARM Cortex-A72 (Dual-core)
4x 1.85GHz ARM Cortex-A53 (Quad-core)
4x 1.4GHz ARM Cortex-A53 (Quad-core)
GPU graphical controllerPowerVR GE8320 MP2 (680MHz)ARM Mali-T880 MP4 780Mhz
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

LG K51S (K510EMW)Redmi Note 4 (MTK 64GB/3GB)
RAM memory3GB LPDDR33GB LPDDR3
Internal storage64GB (47GB available)
eMMC 5.1
64GB (54GB available)
External storageUntil 1TB microSD, microSDXC
(dedicated slot)
Until 256GB microSD, microSDXC
(hybrid slot/shares the same SIM-2 slot)

📶 Mobile networks

LG K51S (K510EMW)Redmi Note 4 (MTK 64GB/3GB)
Dual-SIMDual-SIM Standby - Call active on one sim card
(dedicated slot)
Dual-SIM Standby - Call active on one sim card
(hybrid slot/shares the same microSD slot)
SIM card2 slots (Dual-SIM)
nano-SIM (4FF)
2 slots (Dual-SIM)
micro-SIM (3FF) and nano-SIM (4FF)
Maximum Download / Upload300/50 Mbps150/50 Mbps
Network technology2G, 3G, 4G2G, 3G, 4G
Frequency, bands Expand band details Collapse details
GSM MHz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkGSM 850/900/1800/1900CDMA 800/1900, GSM 850/900/1800/1900
Primary 3G networkUMTS 850/900/1900/2100CDMA2000 1xEV-DO
TD-SCDMA 1900/2000
UMTS 850/900/1900/2100
Primary 4G networkLTE Cat6 (1, 3, 7, 8, 20)
TD-LTE (38)
LTE Cat4 850/900/1800/2100/2600 (Bands 1,3,5,7,8)
TD-LTE 1900/2300/2500/2600 (Bands 38,39,40,41)
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE
Secondary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Secondary 3G networkNot supportedUMTS 850/900/1900/2100
Secondary 4G networkNot supportedNot supported
Secondary data networkGPRS, EDGEGPRS, EDGE

📷 Camera

LG K51S (K510EMW)Redmi Note 4 (MTK 64GB/3GB)
Back camera (main camera)(quad camera)
32 megapixels
5MP ultrawide f/2.216mm1.12μm115°
2MP macro f/2.422mm1.75μm88.6°
2MP depth f/2.41.75μm
13 megapixels
Main camera resolution6528x4896 pixels4128x3096 pixels
Video recording (primary)Full HD (1920x1080) 30 fpsFull HD (1920x1080) 30 fps
FlashLED flashDual-LED flash
Focal aperturef/1.8 (aperture)f/2.0 (aperture)
Focal length24mm (lens)feature not registered
Sensor sizefeature not registeredfeature not registered
Pixel size0.8µm pixel1.12µm pixel
AutofocusPDAF: phase detection autofocusPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationEIS: Digital stabilizationEIS: Digital stabilization
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorNot supportedSupported
HDRHDR photo on both camerasHDR photo on both cameras
Camera extrasfeature not registeredfeature not registered

📸 Front camera

LG K51S (K510EMW)Redmi Note 4 (MTK 64GB/3GB)
Front camera (secondary)13 megapixels5 megapixels
Front camera resolution4128x3096 pixels2592x1944 pixels
Video recording (secondary)Full HD (1920x1080)HD (1280x720)
Front flashNot supportedNot supported
Focal aperturef/2.0 (aperture)f/2.0 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registeredfeature not registered
Pixel sizefeature not registeredfeature not registered

🔉 Sound and multimedia

LG K51S (K510EMW)Redmi Note 4 (MTK 64GB/3GB)
LoudspeakerSupportedSupported
Active noise cancellation2 microphones or more2 microphones or more
RadioNot supportedFM
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviD, MKVMP4, H.265, H.264, H.263, XviD
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, OGG, eAAC+, FLAC

🔌 Connectivity

LG K51S (K510EMW)Redmi Note 4 (MTK 64GB/3GB)
USBUSB 2.0 Type-C, USB OTG On-The-GoMicroUSB 2.0
Audio output3.5mm jack3.5mm jack
TV outputNot supportedNot supported
Bluetooth5.0 + A2DP/LE4.2 + A2DP
WiFi802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz)
WiFi Direct, hotspot
802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
DLNASupportedNot supported
GPSA-GPS, GeoTaggingA-GPS, GeoTagging, GLONASS, BeiDou
NFCSupportedNot supported
Infrared portNot supportedSupported

🧭 Sensors

LG K51S (K510EMW)Redmi Note 4 (MTK 64GB/3GB)
SensorsAccelerometer
Ambient light sensor
Compass
Fingerprint sensor (rear-mounted)
Proximity sensor
Accelerometer
Ambient light sensor
Compass
Fingerprint sensor
Gyroscope
Hall effect
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

LG K51S (K510EMW)Redmi Note 4 (MTK 64GB/3GB)
Battery typeLiPo: li-ion polymer (Non removable)LiPo: li-ion polymer (Non removable)
Battery capacity4000 mAh4100 mAh
Charger, watts10W (5V/2A) Wired chargingWired charging
Inductive / wireless chargingNot supportedfeature not registered
Talk time autonomy10.5 hoursfeature not registered
Standby370 hours (15.4 days)feature not registered

➕ Other features

LG K51S (K510EMW)Redmi Note 4 (MTK 64GB/3GB)
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder, Voice commands
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
Hands-free callingSupportedSupported
Video callingSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
AntennaInternal antennaInternal antenna
Qwerty physical keyboardNot supportedNot supported
Miscellaneous• Colors: Titanium, Blue, Pink/Red
• Silicone case included
• Google Assistant (dedicated side button)
• DTS:X 3D audio
• Colors: Black, Silver, Gray, Gold, Blue
• USB OTG On-The-Go
• Aluminum body
• 2.5D curved glass
• MIUI 8.0
• 720p@120fps slow-motion
• 24-bit/192kHz audio
• WiFi display

☢️ Radiation rate

LG K51S (K510EMW)Redmi Note 4 (MTK 64GB/3GB)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
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