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LG K51S (K510HM) vs Xiaomi Redmi Note 9 (128GB Global)

Side by side comparison between LG K51S vs Xiaomi Redmi Note 9 phones, differences, pros, cons with full specifications. What's the better?

,
LG K51S (K510HM)
6.55"
IPS

720x1600

32
MP

13mp

3GB
RAM

64bit Octa

4000
mAh

(Non removable)

vs
15PointsXiaomi Redmi Note 9 (128GB Global)Compare LG K51S X
Xiaomi Redmi Note 9 (128GB Global)
6.53"
IPS

1080x2340

48
MP

13mp

4GB
RAM

64bit Octa

5020
mAh

(Non removable)

What's the better phone? Xiaomi Redmi Note 9 (128GB Global)

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 (K510HM)5 Advantages LG K51S (K510HM)vsRedmi Note 9 (128GB Global)15 Advantages Xiaomi Redmi Note 9 (128GB Global)
+2.3Ghz 64bit Octa-Core3%
More powerful processor, you can open your applications faster
vs2Ghz 64bit Octa-Core
+194 grams (6.79 ounces)3%
Lighter
vs199 grams (6.97 ounces)
+8.26 millimeters (0.33 inches)8%
Thinner
vs8.9 millimeters (0.35 inches)
+6.55"1%
Larger screen
vs6.53"
+MIL-STD-810G military certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example
vsWater repellent nano-coating (don't immerse)
3GB LPDDR3vs+4GB LPDDR4X33%
More RAM memory. Typically more responsive and better for multitasking.
64GB (47GB available)vs+128GB (106GB available)126%
More internal storage for applications and files
720x1600 pixelsvs+1080x2340 pixels119%
Higher resolution screen
268 PPIvs+395 PPI47%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
(quad camera) 32MP + 5MP + 2MP + 2MPvs+(quad camera) 48MP + 8MP + 2MP + 2MP46%
Higher resolution main camera
Android 9.0 Pievs+Android 10Advantage
Android 10 is newer and safer
(4G+ LTE-A) 300 Mbpsvs+(4G+ LTE-A) 800 Mbps167%
Faster for surfing the internet and download files
Not supportedvs+GyroscopeAdvantage
Sensors help you use the device
Not supportedvs+Face unlockAdvantage
Sensors help you use the device
4000 mAhvs+5020 mAh26%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
10Wvs+18W80%
More power (watts) to charge the battery faster. Sometimes, the charger that comes with the device doesn't have the same power supported by the device. Check before you buy it.
1 slot (Single-SIM)
(dedicated slot)
vs+2 slots (Dual-SIM)
(dedicated slot)Advantage
It's more advantageous to have more than one phone operator in the same device
802.11 b/g/n (2.4Ghz)vs+802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMOAdvantage
WiFi 802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO is newer and faster
Not supportedvs+NFCAdvantage
NFC allows you to make payments by approach quickly and securely
Not supportedvs+Gorilla Glass 5Advantage
Protection against scratches on the screen lets you carry your phone with your keys

34 Common items in both devices
eMMC 5.1
Until 1TB microSD, microSDXC / Until 512GB microSD, microSDXC
Plastic body, glass front
TFT IPS LCD
60Hz
16 million
LED flash
+27 specs and more in the table below

Check the comparison table below for more items that are not evaluated in comparison score above.

Highlight differencesClear highlight
Physical featuresLG K51S (K510HM)Xiaomi Redmi Note 9 (128GB Global)
ModelK51S (K510HM)Redmi Note 9 (128GB Global)
Other model namesLG K51s LM-K510HM, LMK510HM (Single-Sim)Xiaomi Redmi Note 9 M2003J15SG Global version (NFC)
Country or region available(Latin America)
(Latin America)
(Global, International)
(Global, International)
BrandLGXiaomi
Release dateApril, 2020April, 2020
Depth8.26 millimeters (0.33 inches)8.9 millimeters (0.35 inches)
Size (width x height)76.7 x 165.2 millimeters (3.02 x 6.5 in)77.2 x 162.3 millimeters (3.04 x 6.39 in)
Weight194 grams (6.79 ounces)199 grams (6.97 ounces)
Qwerty physical keyboardNot supportedNot supported
AntennaInternal antennaInternal antenna
Build, materialsPlastic body, glass frontPlastic body, glass front
Protection against water and othersMIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant.Water repellent nano-coating (don't immerse)
System (OS)LG K51S (K510HM)Xiaomi Redmi Note 9 (128GB Global)
Operating systemAndroid 9.0 PieAndroid 10
Firmware updatefeature not registeredfeature not registered
HardwareLG K51S (K510HM)Xiaomi Redmi Note 9 (128GB Global)
Chipset64bit - MediaTek MT6765 Helio P35 (12nm)64bit - MediaTek Helio G85 (12nm)
CPU processorOcta-Core, 2 processors:
2.3Ghz Quad-Core ARM Cortex-A53
1.8Ghz Quad-Core ARM Cortex-A53
Octa-Core, 2 processors:
2Ghz Dual-Core ARM-Cortex-A75
1.8Ghz Hexa-Core ARM-Cortex-A55
GPU graphical controllerPowerVR GE8320 680MhzARM Mali-G52 MC2 1Ghz
RAM memory3GB LPDDR34GB LPDDR4X
Internal storage64GB (47GB available)
eMMC 5.1
128GB (106GB available)
eMMC 5.1
External storageUntil 1TB microSD, microSDXC
(dedicated slot)
Until 512GB microSD, microSDXC
(dedicated slot)
DisplayLG K51S (K510HM)Xiaomi Redmi Note 9 (128GB Global)
Display typeTFT IPS LCDTFT IPS LCD
Screen size6.55" inches6.53" inches
Screen-to-body ratio~81.7% (screen-to-body ratio)~83.5% (screen-to-body ratio)
Display resolution720x1600 pixels (20:9)1080x2340 pixels (19.5:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)268 PPI395 PPI
Colors16 million16 million
Scratch-resistant glassNot supportedGorilla Glass 5
Display features60Hz, 400 nits60Hz, 450 nits
Mobile networksLG K51S (K510HM)Xiaomi Redmi Note 9 (128GB Global)
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)
nano-SIM (4FF)
Maximum download/upload300/50 Mbps800/150 Mbps
Network technology2G, 3G, 4G2G, 3G, 4G
Frequency, bandsExpand band detailsCollapse 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 850/900/1700/1900/2100UMTS 850/900/1700/1900/2100
Primary 4G networkLTE Cat6 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 28, 66)
TD-LTE (38)
LTE Cat15/13 (Bands 1, 2, 3, 4, 5, 7, 8, 20, 28)
TD-LTE (Bands 38, 40, 41)
VoLTE
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G networkNot supportedGSM 850/900/1800/1900
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkNot supportedGPRS, EDGE
CallingLG K51S (K510HM)Xiaomi Redmi Note 9 (128GB Global)
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
SpeakerphoneSupportedSupported
Video callingSupportedSupported
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder, Voice commands
CameraLG K51S (K510HM)Xiaomi Redmi Note 9 (128GB Global)
Back camera (main camera)(quad camera)
32 megapixels
5MP ultrawidef/2.216mm1.12μm115º
2MP macrof/2.422mm1.75μm88.6º
2MP depthf/2.41.75μm
(quad camera)
48 megapixels
8MP ultrawidef/2.213mm1/4"1.12µm118º
2MP macrof/2.41.75µmAF
2MP depthf/2.41/5"1.7µm
Main camera resolution6528x4896 pixels8000x6000 pixels
Video recording (primary)Full HD (1920x1080) 30 fpsFull HD (1920x1080) 30 fps
FlashLED flashLED flash
Focal aperturef/1.8 (aperture)f/1.8 (aperture)
Focal length24mm lens26mm lens
Sensor sizefeature not registered1/2" inches
Pixel size0.8µm pixel0.8µm 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 on both camerasHDR photo on both cameras
2ª cameraLG K51S (K510HM)Xiaomi Redmi Note 9 (128GB Global)
Front camera (secondary)13 megapixels13 megapixels
Front camera resolution4128x3096 pixels4128x3096 pixels
Video recording (secondary)Full HD (1920x1080)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturef/2.0 (aperture)f/2.3 (aperture)
Focal lengthfeature not registered29mm lens
Sensor sizefeature not registered1/3.06" inches
Pixel sizefeature not registered1.12µm pixel
MultimediaLG K51S (K510HM)Xiaomi Redmi Note 9 (128GB Global)
RadioFMFM
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviD, MKVMP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC
ConnectivityLG K51S (K510HM)Xiaomi Redmi Note 9 (128GB Global)
USBUSB 2.0 Type-C, USB OTG On-The-GoUSB 2.0 Type-C, USB OTG On-The-Go
TV outputNot supportedNot supported
Audio output3.5mm jack3.5mm jack
Bluetooth5.0 + A2DP/LE5.0 + A2DP/LE
WiFi802.11 b/g/n (2.4Ghz)802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO
DLNANot supportedNot supported
NFCNot supportedSupported
GPSA-GPS, GeoTaggingA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
Infrared portNot supportedSupported
Other functionsLG K51S (K510HM)Xiaomi Redmi Note 9 (128GB Global)
Active noise cancellationSupportedSupported
Vibrating alertSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
SensorsAccelerometer
Proximity sensor
Compass
Ambient Light sensor
Fingerprint sensor (rear-mounted)
Accelerometer
Proximity sensor
Compass
Ambient Light sensor
Gyroscope
Face unlock
Fingerprint sensor (rear-mounted)
Other features- Colors: Titanium, Blue, Pink/Red
- Silicone case included
- Google Assistant (dedicated side button)
- DTS:X 3D audio
- WiFi direct, hotspot
- Colors: Forest Green, Midnight Grey, Polar White
- MIUI 11
- 22.5W charger (18W phone support)
- WiFi direct, hotspot
Power supplyLG K51S (K510HM)Xiaomi Redmi Note 9 (128GB Global)
BatteryLiPo: Li-Ion polymer (Non removable)LiPo: Li-Ion polymer (Non removable)
Battery capacity4000 mAh5020 mAh
Charger, watts10W (5V/2A) Standard charging18W Fast battery charging
9W Reverse charging USB between devices
Talk time autonomy630 minutes | 10.5 hours | 0.4 day1980 minutes | 33 hours | 1.4 days
Standby22200 minutes | 370 hours | 15.4 daysfeature not registered
Radiation rateLG K51S (K510HM)Xiaomi Redmi Note 9 (128GB Global)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registered0.84W/kg (head) | 0.9W/kg (body)
SAR 2W/kg (Europe, UK, etc.)feature not registered0.8W/kg (head) | 1.14W/kg (body)
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