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Xiaomi Redmi S2 (32GB) vs LG Q51 (Q510N)

Side by side comparison between Xiaomi Redmi S2 vs LG Q51 phones, differences, pros, cons with full specifications. What's the better?

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Compare LG Q51 XXiaomi Redmi S2 (32GB)09Points
Xiaomi Redmi S2 (32GB)
5.99"
IPS

720x1440

12
MP

16mp

3GB
RAM

64bit Octa

3080
mAh

(Non removable)

vs
LG Q51 (Q510N)
6.5"
IPS

720x1560

13
MP

13mp

3GB
RAM

64bit Octa

4000
mAh

(Non removable)

What's the better phone? LG Q51 (Q510N)

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 S2 (32GB)9 Advantages Xiaomi Redmi S2 (32GB)vsQ51 (Q510N)14 Advantages LG Q51 (Q510N)
+2Ghz 64bit Octa-Core4%
More powerful processor, you can open your applications faster
vs2Ghz 64bit Octa-Core
+32GB (21GB available)31%
More internal storage for applications and files
vs32GB (16GB available)
+170 grams (5.95 ounces)20%
Lighter
vs204 grams (7.14 ounces)
+8.1 millimeters (0.32 inches)5%
Thinner
vs8.47 millimeters (0.33 inches)
+269 PPI2%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs264 PPI
+LED flash on both camerasAdvantage
The LED flash on both cameras helps in dark places or in low light
vsLED flash
+(front) 16MP25%
Higher resolution secondary camera to take pictures and selfies
vs(front) 13MP
+Face unlockAdvantage
Sensors help you use the device
vsNot supported
+2 slots (Dual-SIM)
(dedicated slot)Advantage
It's more advantageous to have more than one phone operator in the same device
vs1 slot (Single-SIM)
(dedicated slot)
Until 256GB microSD, microSDXCvs+Until 1TB microSD, microSDXC3 times
More external storage for files using memory cards
720x1440 pixelsvs+720x1560 pixels8%
Higher resolution screen
5.99"vs+6.5"9%
Larger screen
(dual camera) 12MP + 5MPvs+(triple camera) 13MP + 5MP + 2MP16%
Higher resolution main camera
f/2.2 (aperture)vs+f/1.8 (aperture)22%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) HD (1280x720)vs+(front) Full HD (1920x1080)125%
More image quality for recording videos with the secondary camera
Android 8.1 Oreovs+Android 9.0 PieAdvantage
Android 9.0 Pie is newer and safer
3080 mAhvs+4000 mAh30%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
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
4.2 + 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 2.0, USB OTG On-The-Govs+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.
Not supportedvs+Panda King GlassAdvantage
Protection against scratches on the screen lets you carry your phone with your keys
Not supportedvs+MIL-STD-810G military certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example

31 Common items in both devices
3GB LPDDR3
eMMC 5.1
Plastic body, glass front
TFT IPS LCD
16 million
Only digital zoom
PDAF: phase detection autofocus
+24 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 featuresXiaomi Redmi S2 (32GB)LG Q51 (Q510N)
ModelRedmi S2 (32GB)Q51 (Q510N)
Other model names红米自拍手机S2, Xiaomi S2, Xiaomi YslLG Q51 LM-Q510N, LMQ510N (Q 시리즈)
Country or region available(Global, International)China
(Global, International), China
South Korea
South Korea
BrandXiaomiLG
Release dateMay, 2018February, 2020
Depth8.1 millimeters (0.32 inches)8.47 millimeters (0.33 inches)
Size (width x height)77.26 x 160.73 millimeters (3.04 x 6.33 in)77.92 x 166.96 millimeters (3.07 x 6.57 in)
Weight170 grams (5.95 ounces)204 grams (7.14 ounces)
Qwerty physical keyboardNot supportedNot supported
AntennaInternal antennaInternal antenna
Build, materialsPlastic body, glass frontPlastic 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.
System (OS)Xiaomi Redmi S2 (32GB)LG Q51 (Q510N)
Operating systemAndroid 7.1.2 NougatAndroid 9.0 Pie
Firmware updateAndroid 8.1 Oreofeature not registered
HardwareXiaomi Redmi S2 (32GB)LG Q51 (Q510N)
Chipset64bit - Qualcomm Snapdragon 625 MSM8953 (14nm)64bit - MediaTek MT6762 Helio P22 (12nm)
CPU processor2Ghz Octa-Core ARM Cortex-A53Octa-Core, 2 processors:
2Ghz Quad-Core ARM Cortex-A53
1.5Ghz Quad-Core ARM Cortex-A53
GPU graphical controllerQualcomm Adreno 506 650MhzPowerVR GE8320 650Mhz
RAM memory3GB LPDDR33GB LPDDR3
Internal storage32GB (21GB available)
eMMC 5.1
32GB (16GB available)
eMMC 5.1
External storageUntil 256GB microSD, microSDXC
(dedicated slot)
Until 1TB microSD, microSDXC
(dedicated slot)
DisplayXiaomi Redmi S2 (32GB)LG Q51 (Q510N)
Display typeTFT IPS LCDTFT IPS LCD
Screen size5.99" inches6.5" inches
Screen-to-body ratio~74.6% (screen-to-body ratio)~79.7% (screen-to-body ratio)
Display resolution720x1440 pixels720x1560 pixels (19.5:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)269 PPI264 PPI
Colors16 million16 million
Scratch-resistant glassNot supportedPanda King Glass
Display featuresfeature not registered60Hz
Mobile networksXiaomi Redmi S2 (32GB)LG Q51 (Q510N)
Dual-SIMDual-SIM Standby - Call active on one sim card
(dedicated slot)
Not supported
SIM card2 slots (Dual-SIM)
nano-SIM (4FF)
1 slot (Single-SIM)
nano-SIM (4FF)
Maximum download/upload300/50 Mbps300/50 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 networkCDMA 800 (China), GSM 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkM1803E6G Global version:
UMTS 850/900/1900/2100

M1803E6E, M1803E6C, M1803E6T versions:
CDMA2000 1xEV-DO
TD-SCDMA 1900/2000
UMTS 850/900/1900/2100
UMTS 800/850/900/1900/2100
Primary 4G networkLTE Cat6

M1803E6G Global version:
LTE (Bands 1,3,4,5,7,8,20)
TD-LTE (Bands 38,40)

M1803E6E, M1803E6C, M1803E6T versions:
LTE (Bands 1,3,5,7,8)
TD-LTE (Bands 34,38,39,40,41)
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, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G networkGSM 850/900/1800/1900Not supported
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkGPRS, EDGENot supported
CallingXiaomi Redmi S2 (32GB)LG Q51 (Q510N)
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
SpeakerphoneSupportedSupported
Video callingSupportedSupported
Call controlVoice dialing, Voice recorderVoice dialing, Voice recorder
CameraXiaomi Redmi S2 (32GB)LG Q51 (Q510N)
Back camera (main camera)(dual camera)
• 12 megapixels
• 5MP depth sensor
(triple camera)
• 13 megapixels
• 5MP ultrawide (f/2.2 1.12μm 1/5" 115º)
• 2MP depth sensor (f/2.4 1.75μm 1/5" 85º)
Main camera resolution4000x3000 pixels4128x3096 pixels
Video recording (primary)Full HD (1920x1080) 30 fpsFull HD (1920x1080) 30 fps
FlashLED flash on both camerasLED flash
Focal aperturef/2.2 (aperture)f/1.8 (aperture)
Focal lengthfeature not registered26mm lens
Sensor sizefeature not registered1/3" inches
Pixel size1.25µm 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 supportedNot supported
HDRHDR photo on both camerasHDR photo on both cameras
2ª cameraXiaomi Redmi S2 (32GB)LG Q51 (Q510N)
Front camera (secondary)16 megapixels13 megapixels
Front camera resolution4608x3456 pixels4128x3096 pixels
Video recording (secondary)HD (1280x720)Full HD (1920x1080)
Front flashLEDNot supported
Focal aperturef/2.0 (aperture)f/2.0 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registered1/3" inches
Pixel sizefeature not registered1.12µm pixel
MultimediaXiaomi Redmi S2 (32GB)LG Q51 (Q510N)
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
ConnectivityXiaomi Redmi S2 (32GB)LG Q51 (Q510N)
USBMicroUSB 2.0, USB OTG On-The-GoUSB 2.0 Type-C, USB OTG On-The-Go
TV outputNot supportedNot supported
Audio output3.5mm jack3.5mm jack
Bluetooth4.2 + A2DP5.0 + 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, GeoTagging, GLONASS, BeiDouA-GPS, GeoTagging, GLONASS
Infrared portSupportedNot supported
Other functionsXiaomi Redmi S2 (32GB)LG Q51 (Q510N)
Active noise cancellationSupportedSupported
Vibrating alertSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
SensorsAccelerometer
Proximity sensor
Compass
Ambient Light sensor
Gyroscope
Face unlock
Fingerprint sensor (rear-mounted)
Accelerometer
Proximity sensor
Compass
Ambient Light sensor
Gyroscope
Fingerprint sensor (rear-mounted)
Other features- Colors: Gray, Gold, Rose Gold, Blue, Black
- MIUI 10
- 18:9 screen
- WiFi direct, hotspot
- Colors: Titan gray, White
- Google Assistant
- DTS:X 3D surround sound
- WiFi direct, hotspot
Power supplyXiaomi Redmi S2 (32GB)LG Q51 (Q510N)
BatteryLiPo: Li-Ion polymer (Non removable)LiPo: Li-Ion polymer (Non removable)
Battery capacity3080 mAh4000 mAh
Charger, watts• 10W (5V/2A) Standard charging• 10W (5V/2A) Standard charging
Talk time autonomyfeature not registered1260 minutes | 21 hours | 0.9 day
Standbyfeature not registered34560 minutes | 576 hours | 24 days
Radiation rateXiaomi Redmi S2 (32GB)LG Q51 (Q510N)
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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