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LG K51S (K510HM) vs Xiaomi Redmi Note 9 (64GB/3GB)

Side by side comparison between LG K51S vs Xiaomi Redmi Note 9 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
13Points Xiaomi Redmi Note 9 (64GB/3GB) Compare LG K51S X
6.53"
IPS

1080x2340

48
MP

13mp

3GB
RAM

Octa-core

5020
mAh

(Non removable)

What's the better phone? Xiaomi Redmi Note 9 (64GB/3GB)

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) vs Redmi Note 9 (64GB/3GB)} 13 Advantages Xiaomi Redmi Note 9 (64GB/3GB)
+2.3GHz 64bit Octa-core (12nm)8%
More powerful processor, you can open your applications faster
vs2GHz 64bit Octa-core (12nm)
+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+3GB LPDDR4XAdvantage
This RAM type is better and more efficient.
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
Not supportedvs+BSI sensorAdvantage
The BSI sensor allows the entry of more light generating photos with more detail and brightness
Android 9.0 Pievs+Android 11Advantage
Android 11 is newer and safer
Not supportedvs+Face unlockAdvantage
Sensors help you use the device
Not supportedvs+GyroscopeAdvantage
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
You can have more mobile carriers/operators on the same device.
802.11 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
Not supportedvs+Gorilla Glass 5Advantage
Protection against scratches on the screen lets you carry your phone with your keys

36 Common items in both devices
64GB (47GB available) / 64GB (50GB available)
eMMC 5.1
Until 1TB microSD, microSDXC / Until 512GB microSD, microSDXC
Plastic body, glass front
TFT IPS LCD
60Hz
16 million
+29 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 (K510HM)Redmi Note 9 (64GB/3GB)
ModelK51S (K510HM)Redmi Note 9 (64GB/3GB)
Other model namesLG K51s LM-K510HM, LMK510HM (Single-Sim)Mi Redmi Note 9 CX295VRD, CX295CIN
Country or region available(Latin America)
(Latin America)
(Latin America)Brazil
(Latin America), Brazil
BrandLGXiaomi
Release date4/1/20205/12/2020, Announced: 4/30/2020
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)
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)

📲 Display

LG K51S (K510HM)Redmi Note 9 (64GB/3GB)
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
Refresh rate60Hz60Hz
Display features400nits[typ]450nits[typ]

🤖 Operating System

LG K51S (K510HM)Redmi Note 9 (64GB/3GB)
System versionAndroid 9.0 PieAndroid 10
Firmware updatefeature not registeredAndroid 11
User Interfacefeature not registeredMIUI 11 / 12

⚙️ Processor

LG K51S (K510HM)Redmi Note 9 (64GB/3GB)
Chipset64bit: MediaTek Helio P35 (MT6765) (12nm)64bit: MediaTek Helio G85 (12nm)
CPUOcta-core, 2 processors:
4x 2.3GHz ARM Cortex-A53 (Quad-core)
4x 1.8GHz ARM Cortex-A53 (Quad-core)
Octa-core, 2 processors:
2x 2GHz ARM-Cortex-A75 (Dual-core)
6x 1.8GHz ARM-Cortex-A55 (Hexa-core)
GPU graphical controllerPowerVR GE8320 MP2 (680MHz)ARM Mali-G52 MC2 (1GHz)
Performance (benchmark)feature not registeredAnTuTu: 200451 (v8)
Geekbench: 1292 (v5.1)

💽 Memory and storage

LG K51S (K510HM)Redmi Note 9 (64GB/3GB)
RAM memory3GB LPDDR33GB LPDDR4X
Internal storage64GB (47GB available)
eMMC 5.1
64GB (50GB available)
eMMC 5.1
External storageUntil 1TB microSD, microSDXC
(dedicated slot)
Until 512GB microSD, microSDXC
(dedicated slot)

📶 Mobile networks

LG K51S (K510HM)Redmi Note 9 (64GB/3GB)
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 Mbps300/150 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 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 Cat7 (1, 2, 3, 4, 5, 7, 8, 20, 28)
TD-LTE (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 supportedUMTS 850/900/1700/1900/2100
Secondary 4G networkNot supportedLTE Cat7 (1, 2, 3, 4, 5, 7, 8, 20, 28)
TD-LTE (38, 40, 41)
VoLTE
Secondary data networkNot supportedGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A

📷 Camera

LG K51S (K510HM)Redmi Note 9 (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
(quad camera)
48 megapixels
8MP ultrawide f/2.213mm1/4"1.12µm118°
2MP macro f/2.41.75µmAF
2MP depth f/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 (lens)26mm (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 supportedSupported
HDRHDR photo on both camerasHDR photo on both cameras
Camera extrasfeature not registeredfeature not registered

📸 Front camera

LG K51S (K510HM)Redmi Note 9 (64GB/3GB)
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

🔉 Sound and multimedia

LG K51S (K510HM)Redmi Note 9 (64GB/3GB)
LoudspeakerSupportedMono sound (not stereo)
Active noise cancellation2 microphones or more2 microphones or more
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

🔌 Connectivity

LG K51S (K510HM)Redmi Note 9 (64GB/3GB)
USBUSB 2.0 Type-C, USB OTG On-The-GoUSB 2.0 Type-C, USB OTG On-The-Go
Audio output3.5mm jack3.5mm jack
TV outputNot supportedUSB Type-C (reversible)
Bluetooth5.0 + A2DP/LE5.0 + A2DP/LE
WiFi802.11 b/g/n [wifi4] (2.4GHz)
WiFi Direct, hotspot
802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
DLNANot supportedNot supported
GPSA-GPS, GeoTaggingA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFCNot supportedNot supported
Infrared portNot supportedSupported

🧭 Sensors

LG K51S (K510HM)Redmi Note 9 (64GB/3GB)
SensorsAccelerometer
Ambient light sensor
Compass
Fingerprint sensor (rear-mounted)
Proximity sensor
Accelerometer
Ambient light sensor
Compass
Face unlock
Fingerprint sensor (rear-mounted)
Gyroscope
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

LG K51S (K510HM)Redmi Note 9 (64GB/3GB)
Battery typeLiPo: li-ion polymer (Non removable)LiPo: li-ion polymer (Non removable)
Battery capacity4000 mAh5020 mAh
Charger, watts10W (5V/2A) Wired charging18W Wired fast charging
9W Reverse charging by cable
Inductive / wireless chargingNot supportedNot supported
Talk time autonomy10.5 hours33 hours (1.4 days)
Standby370 hours (15.4 days)feature not registered

➕ Other features

LG K51S (K510HM)Redmi Note 9 (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: Forest Green, Midnight Grey, Polar White
• 22.5W charger (18W phone support)

☢️ Radiation rate

LG K51S (K510HM)Redmi Note 9 (64GB/3GB)
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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