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Xiaomi Redmi 4X (32GB) vs LG K51S (K510EMW)

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

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Compare LG K51S X Xiaomi Redmi 4X (32GB) 06Points
5"
IPS

720x1280

13
MP

5mp

3GB
RAM

Octa-core

4100
mAh

(Non removable)

vs
6.55"
IPS

720x1600

32
MP

13mp

3GB
RAM

Octa-core

4000
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!

Redmi 4X (32GB)} 6 Advantages Xiaomi Redmi 4X (32GB) vs K51S (K510EMW)} 17 Advantages LG K51S (K510EMW)
+150 grams (5.25 ounces)29%
Lighter
vs194 grams (6.79 ounces)
+294 PPI10%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs268 PPI
+GyroscopeAdvantage
Sensors help you use the device
vsNot supported
+4100 mAh2%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs4000 mAh
+FMAdvantage
The radio lets you listen to your songs and sports in general
vsNot supported
+Gorilla Glass 3Advantage
Protection against scratches on the screen lets you carry your phone with your keys
vsNot supported
1.4GHz 64bit Octa-corevs+2.3GHz 64bit Octa-core (12nm)72%
More powerful processor, you can open your applications faster
32GB (22GB available)vs+64GB (47GB available)114%
More internal storage for applications and files
Until 256GB microSD, microSDXCvs+Until 1TB microSD, microSDXC3 times
More external storage for files using memory cards
8.7 millimeters (0.34 inches)vs+8.26 millimeters (0.33 inches)5%
Thinner
720x1280 pixelsvs+720x1600 pixels25%
Higher resolution screen
5"vs+6.55"31%
Larger screen
(back) 13MPvs+(quad camera) 32MP + 5MP + 2MP + 2MP2 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
f/2.0 (aperture)vs+f/1.8 (aperture)11%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 5MPvs+(front) 13MP160%
Higher resolution secondary camera to take pictures and selfies
Android 6.0.1 Marshmallowvs+Android 9.0 PieAdvantage
Android 9.0 Pie is newer and safer
2 slots (Dual-SIM)
(hybrid slot/shares the same microSD slot)
vs+2 slots (Dual-SIM)
(dedicated slot)Advantage
You can have more mobile carriers/operators on the same device.
Not supportedvs+DLNAAdvantage
With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
4.1 + 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+MIL-STD-810G military certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example

24 Common items in both devices
3GB LPDDR3
TFT IPS LCD
16 million
LED flash
Only digital zoom
PDAF: phase detection autofocus
EIS: Digital stabilization
+17 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

Redmi 4X (32GB)LG K51S (K510EMW)
ModelRedmi 4X (32GB)K51S (K510EMW)
Other model namesXiaomi Hongmi 4X 3GB RAM 32GB, MAE136, MAT136LG K51s LM-K510EMW, LMK510EMW (Dual-Sim + NFC)
Country or region available(Global, International)ChinaIndiaMalaysiaPakistan
(Global, International), China, India, Malaysia, Pakistan
(Europe)(Global, International)
(Europe), (Global, International)
BrandXiaomiLG
Release date5/1/20174/1/2020
Depth8.7 millimeters (0.34 inches)8.26 millimeters (0.33 inches)
Size (width x height)70 x 139.2 millimeters (2.76 x 5.48 in)76.7 x 165.2 millimeters (3.02 x 6.5 in)
Weight150 grams (5.25 ounces)194 grams (6.79 ounces)
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.

📲 Display

Redmi 4X (32GB)LG K51S (K510EMW)
Display typeTFT IPS LCDTFT IPS LCD
Screen size5" inches6.55" inches
Screen-to-body ratio~70.7% (screen-to-body ratio)~81.7% (screen-to-body ratio)
Display resolution720x1280 pixels720x1600 pixels (20:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)294 PPI268 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 3Not supported
Refresh ratefeature not registered60Hz
Display featuresfeature not registered400nits[typ]

🤖 Operating System

Redmi 4X (32GB)LG K51S (K510EMW)
System versionAndroid 6.0.1 MarshmallowAndroid 9.0 Pie
Firmware updatefeature not registeredfeature not registered
User Interfacefeature not registeredfeature not registered

⚙️ Processor

Redmi 4X (32GB)LG K51S (K510EMW)
Chipset64bit: Qualcomm Snapdragon 435 MSM8940 (28nm)64bit: MediaTek Helio P35 (MT6765) (12nm)
CPUOcta-core, 2 processors:
4x 1.4GHz ARM Cortex-A53 (Quad-core)
4x 1.1GHz ARM Cortex-A53 (Quad-core)
Octa-core, 2 processors:
4x 2.3GHz ARM Cortex-A53 (Quad-core)
4x 1.8GHz ARM Cortex-A53 (Quad-core)
GPU graphical controllerQualcomm Adreno 505PowerVR GE8320 MP2 (680MHz)
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

Redmi 4X (32GB)LG K51S (K510EMW)
RAM memory3GB LPDDR33GB LPDDR3
Internal storage32GB (22GB available)64GB (47GB available)
eMMC 5.1
External storageUntil 256GB microSD, microSDXC
(hybrid slot/shares the same SIM-2 slot)
Until 1TB microSD, microSDXC
(dedicated slot)

📶 Mobile networks

Redmi 4X (32GB)LG K51S (K510EMW)
Dual-SIMDual-SIM Standby - Call active on one sim card
(hybrid slot/shares the same microSD slot)
Dual-SIM Standby - Call active on one sim card
(dedicated slot)
SIM card2 slots (Dual-SIM)
micro-SIM (3FF) and nano-SIM (4FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum Download / Upload300/50 Mbps300/50 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 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkGlobal model:
UMTS 850/900/1900/2100
India model:
UMTS 900/2100
China model:
CDMA2000 1xEV-DO
TD-SCDMA 1900/2000
UMTS 850/900/1900/2100
UMTS 850/900/1900/2100
Primary 4G networkLTE Cat6 850/900/1800/2100/2600 (Bands 1,3,5,7,8)
TD-LTE 1900/2300/2500/2600 (Bands 38,39,40,41)
LTE Cat6 (1, 3, 7, 8, 20)
TD-LTE (38)
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkGPRS, EDGEGPRS, EDGE

📷 Camera

Redmi 4X (32GB)LG K51S (K510EMW)
Back camera (main camera)13 megapixels(quad camera)
32 megapixels
5MP ultrawide f/2.216mm1.12μm115°
2MP macro f/2.422mm1.75μm88.6°
2MP depth f/2.41.75μm
Main camera resolution4128x3096 pixels6528x4896 pixels
Video recording (primary)Full HD (1920x1080) 30 fpsFull HD (1920x1080) 30 fps
FlashLED flashLED flash
Focal aperturef/2.0 (aperture)f/1.8 (aperture)
Focal lengthfeature not registered24mm lens
Sensor sizefeature not registeredfeature not registered
Pixel sizefeature not registered0.8µm 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 supportedNot supported
HDRHDR photo only main cameraHDR photo on both cameras
Camera extrasfeature not registeredfeature not registered

📸 Front camera

Redmi 4X (32GB)LG K51S (K510EMW)
Front camera (secondary)5 megapixels13 megapixels
Front camera resolution2560x1920 pixels4128x3096 pixels
Video recording (secondary)Full HD (1920x1080)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturef/2.2 (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

Redmi 4X (32GB)LG K51S (K510EMW)
LoudspeakerSupportedSupported
Active noise cancellation2 microphones or more2 microphones or more
RadioFMNot supported
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263MP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

Redmi 4X (32GB)LG K51S (K510EMW)
USBMicroUSB 2.0USB 2.0 Type-C, USB OTG On-The-Go
Audio output3.5mm jack3.5mm jack
TV outputNot supportedNot supported
Bluetooth4.1 + A2DP5.0 + A2DP/LE
WiFi802.11 b/g/n [wifi4] (2.4GHz)802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz)
WiFi Direct, hotspot
DLNANot supportedSupported
GPSA-GPS, GeoTagging, GLONASS, BeiDouA-GPS, GeoTagging
NFCNot supportedSupported
Infrared portSupportedNot supported

🧭 Sensors

Redmi 4X (32GB)LG K51S (K510EMW)
SensorsAccelerometer
Ambient light sensor
Compass
Fingerprint sensor
Gyroscope
Proximity sensor
Accelerometer
Ambient light sensor
Compass
Fingerprint sensor (rear-mounted)
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Redmi 4X (32GB)LG K51S (K510EMW)
Battery typeLiPo: li-ion polymer (Non removable)LiPo: li-ion polymer (Non removable)
Battery capacity4100 mAh4000 mAh
Charger, wattsWired charging10W (5V/2A) Wired charging
Inductive / wireless chargingfeature not registeredNot supported
Talk time autonomyfeature not registered10.5 hours
Standbyfeature not registered370 hours (15.4 days)

➕ Other features

Redmi 4X (32GB)LG K51S (K510EMW)
Call controlVoice dialing, Voice recorderVoice 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: Black, Gold
• MIUI 8
• 450nit screen
• VoLTE
• WiFi display, direct, hotspot
• Colors: Titanium, Blue, Pink/Red
• Silicone case included
• Google Assistant (dedicated side button)
• DTS:X 3D audio

☢️ Radiation rate

Redmi 4X (32GB)LG K51S (K510EMW)
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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