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Sony Xperia X (Dual F5122) vs LG K51 (K500UM3)

Side by side comparison between Sony Xperia X vs LG K51 phones, differences, pros, cons and full specifications. What's the better?

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Compare LG K51 X Sony Xperia X (Dual F5122) 12Points
5"
IPS

1080x1920

23
MP

13mp

3GB
RAM

Hexa-core

2620
mAh

(Non removable)

vs
6.5"
IPS

720x1560

13
MP

13mp

3GB
RAM

Octa-core

4000
mAh

(Non removable)

What's the better phone? Sony Xperia X (Dual F5122)

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!

Xperia X (Dual F5122)} 12 Advantages Sony Xperia X (Dual F5122) vs K51 (K500UM3)} 8 Advantages LG K51 (K500UM3)
+64GB (49GB available)2 times
More internal storage for applications and files
vs32GB (16GB available)
+153 grams (5.36 ounces)33%
Lighter
vs204 grams (7.14 ounces)
+7.9 millimeters (0.31 inches)7%
Thinner
vs8.47 millimeters (0.33 inches)
+1080x1920 pixels85%
Higher resolution screen
vs720x1560 pixels
+441 PPI67%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs264 PPI
+(back) 23MP16%
Higher resolution main camera
vs(triple camera) 13MP + 5MP + 2MP
+1/2.3" inches30%
The larger sensor camera lets you take photos with better depth.
vs1/3" inches
+BarometerAdvantage
Sensors help you use the device
vsNot supported
+2 slots (Dual-SIM)
(dedicated slot)Advantage
You can have more mobile carriers/operators on the same device.
vs1 slot (Single-SIM)
(dedicated slot)
+FM (RDS)Advantage
The radio lets you listen to your songs and sports in general
vsNot supported
+DLNAAdvantage
With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
vsNot supported
+NFCAdvantage
NFC allows you to make payments by approach quickly and securely
vsNot supported
1.8GHz 64bit Hexa-corevs+2GHz 64bit Octa-core (12nm)27%
More powerful processor, you can open your applications faster
5"vs+6.5"30%
Larger screen
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.
Android 6.0.1 Marshmallowvs+Android 9.0 PieAdvantage
Android 9.0 Pie is newer and safer
2620 mAhvs+4000 mAh53%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
4.2 + A2DPvs+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster
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

32 Common items in both devices
3GB LPDDR3
Until 2TB microSD, microSDXC / Until 1TB microSD, microSDXC
TFT IPS LCD
16 million
LED flash
Only digital zoom
Autofocus / PDAF: phase detection autofocus
+25 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

Sony Xperia X (Dual F5122)LG K51 (K500UM3)
ModelXperia X (Dual F5122)K51 (K500UM3)
Other model namesSony Xperia X Dual Sim 64GB F5122, Sony Suzu DSLG K51 (Boost Mobile) LMK500UM3ABMUTN, LM-K500UM3
Country or region availablefeature not registeredUSA
USA
BrandSonyLG
Release date5/1/20162/1/2020
Depth7.9 millimeters (0.31 inches)8.47 millimeters (0.33 inches)
Size (width x height)69.4 x 142.7 millimeters (2.73 x 5.62 in)77.92 x 166.96 millimeters (3.07 x 6.57 in)
Weight153 grams (5.36 ounces)204 grams (7.14 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

Sony Xperia X (Dual F5122)LG K51 (K500UM3)
Display typeTFT IPS LCDTFT IPS LCD
Screen size5" inches6.5" inches
Screen-to-body ratio~69.6% (screen-to-body ratio)~79.7% (screen-to-body ratio)
Display resolution1080x1920 pixels720x1560 pixels (19.5:9)
TouchscreenCapacitive Multitouch 10-pointsCapacitive Multitouch
Pixel density (dot pitch)441 PPI264 PPI
Colors16 million16 million
Scratch-resistant glassScratch-resistant glassPanda King Glass
Refresh ratefeature not registered60Hz
Display featuresfeature not registeredNot supported

🤖 Operating System

Sony Xperia X (Dual F5122)LG K51 (K500UM3)
System versionAndroid 6.0.1 MarshmallowAndroid 9.0 Pie
Firmware updatefeature not registeredfeature not registered
User Interfacefeature not registeredfeature not registered

⚙️ Processor

Sony Xperia X (Dual F5122)LG K51 (K500UM3)
Chipset64bit: Qualcomm Snapdragon 650 MSM8956 (28nm)64bit: MediaTek Helio P22 (MT6762) (12nm)
CPUHexa-core, 2 processors:
2x 1.8GHz ARM Cortex-A72 (Dual-core)
4x 1.4GHz ARM Cortex-A53 (Quad-core)
Octa-core, 2 processors:
4x 2GHz ARM Cortex-A53 (Quad-core)
4x 1.5GHz ARM Cortex-A53 (Quad-core)
GPU graphical controllerQualcomm Adreno 510 600MhzPowerVR GE8320 (650MHz)
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

Sony Xperia X (Dual F5122)LG K51 (K500UM3)
RAM memory3GB LPDDR33GB LPDDR3
Internal storage64GB (49GB available)32GB (16GB available)
eMMC 5.1
External storageUntil 2TB microSD, microSDXC
(dedicated slot)
Until 1TB microSD, microSDXC
(dedicated slot)

📶 Mobile networks

Sony Xperia X (Dual F5122)LG K51 (K500UM3)
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, 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 800/850/900/1700/1900/2100CDMA2000 1xEV-DO
UMTS 850/900/1700/1900/2100
Primary 4G networkLTE Cat6 700/800/850/900/1700/1800/1900/2100/2600 (Bands 1,2,3,4,5,7,8,12,17,19,20,26,28)
TD-LTE 1900/2300/2500/2600 (Bands 38,39,40,41)
LTE Cat6 (2, 4, 5, 12, 13, 25, 26, 66, 71)
TD-LTE (41)
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-AGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, 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

📷 Camera

Sony Xperia X (Dual F5122)LG K51 (K500UM3)
Back camera (main camera)23 megapixels(triple camera)
13 megapixels
5MP ultrawide f/2.21.12μm1/5"115°
2MP depth f/2.41.75μm1/5"85°
Main camera resolution5536x4152 pixels4128x3096 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 registered26mm (lens)
Sensor size1/2.3" inches1/3" inches
Pixel sizefeature not registered1.12µm pixel
AutofocusAutofocusPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationfeature not registeredEIS: Digital stabilization
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorNot supportedNot supported
HDRHDR photo/video on both camerasHDR photo on both cameras
Camera extrasfeature not registeredfeature not registered

📸 Front camera

Sony Xperia X (Dual F5122)LG K51 (K500UM3)
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 aperturefeature not registeredf/2.0 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registered1/3" inches
Pixel sizefeature not registered1.12µm pixel

🔉 Sound and multimedia

Sony Xperia X (Dual F5122)LG K51 (K500UM3)
LoudspeakerSupportedSupported
Active noise cancellation2 microphones or more2 microphones or more
RadioFM (RDS)Not supported
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviDMP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

Sony Xperia X (Dual F5122)LG K51 (K500UM3)
USBMicroUSB 2.0USB 2.0 Type-C, USB OTG On-The-Go
Audio output3.5mm jack3.5mm jack
TV outputNot supportedNot supported
Bluetooth4.2 + A2DP5.0 + A2DP/LE
WiFi802.11 a/b/g/n/ac [wifi5] (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, GeoTagging, GLONASSA-GPS, GeoTagging, GLONASS
NFCSupportedNot supported
Infrared portNot supportedNot supported

🧭 Sensors

Sony Xperia X (Dual F5122)LG K51 (K500UM3)
SensorsAccelerometer
Ambient light sensor
Barometer
Compass
Fingerprint sensor
Gyroscope
Proximity sensor
Accelerometer
Ambient light sensor
Compass
Fingerprint sensor (rear-mounted)
Gyroscope
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Sony Xperia X (Dual F5122)LG K51 (K500UM3)
Battery typeLi-Ion: lithium-ion (Non removable)LiPo: li-ion polymer (Non removable)
Battery capacity2620 mAh4000 mAh
Charger, wattsWired charging10W (5V/2A) Wired charging
Inductive / wireless chargingfeature not registeredNot supported
Talk time autonomyfeature not registered21 hours
Standbyfeature not registered576 hours (24 days)

➕ Other features

Sony Xperia X (Dual F5122)LG K51 (K500UM3)
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder
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: White, Graphite Black, Lime Gold, Rose Gold
• USB OTG On-The-Go
• Triluminos display
• Oleophobic coating
• Fingerprint sensor
• Sony Exmor RS sensor
• PDAF technology on camera
• Sony ClearAudio+
• PS4 integration
• Colors: Titan gray
• Google Assistant
• DTS:X 3D sound surround
• HAC M3/T3

☢️ Radiation rate

Sony Xperia X (Dual F5122)LG K51 (K500UM3)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
X

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