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Sony Xperia J (ST26a) vs LG K51 (K500UM3)

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

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Compare LG K51 X Sony Xperia J (ST26a) 04Points
4"
TFT

480x854

5
MP

0.3mp

512MB
RAM

Single-core

1750
mAh

(Removable)

vs
6.5"
IPS

720x1560

13
MP

13mp

3GB
RAM

Octa-core

4000
mAh

(Non removable)

What's the better phone? LG K51 (K500UM3)

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 J (ST26a)} 4 Advantages Sony Xperia J (ST26a) vs K51 (K500UM3)} 25 Advantages LG K51 (K500UM3)
+124 grams (4.34 ounces)65%
Lighter
vs204 grams (7.14 ounces)
+Li-Ion: lithium-ion (Removable)Advantage
Removable battery can be replaced easily
vsLiPo: li-ion polymer (Non removable)
+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
1GHz 32bit Single-core (45nm)vs+2GHz 64bit Octa-core (12nm)3 times
More powerful processor, you can open your applications faster
512MB LPDDRvs+3GB LPDDR35 times
More RAM memory. Typically more responsive and better for multitasking.
4GB (2GB available)vs+32GB (16GB available)7 times
More internal storage for applications and files
Until 32GB microSD, microSDHCvs+Until 1TB microSD, microSDXC31 times
More external storage for files using memory cards
9.2 millimeters (0.36 inches)vs+8.47 millimeters (0.33 inches)9%
Thinner
TFT LCDvs+TFT IPS LCDAdvantage
TFT IPS LCD display is brighter and more vivid
480x854 pixelsvs+720x1560 pixels174%
Higher resolution screen
245 PPIvs+264 PPI8%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
4"vs+6.5"63%
Larger screen
(back) 5MPvs+(triple camera) 13MP + 5MP + 2MP3 times
Higher resolution main camera
Not supportedvs+HDR photo on both camerasAdvantage
The HDR technology produced photos with more detail in dark areas
(front) 0.3MPvs+(front) 13MP41 times
Higher resolution secondary camera to take pictures and selfies
VGA (640x480)vs+Full HD (1920x1080)6 times
More image quality for recording videos with the primary camera
Android 4.1.2 Jelly Beanvs+Android 9.0 PieAdvantage
Android 9.0 Pie is newer and safer
3G HSUPAvs+4G LTE-AAdvantage
The 4G LTE-A network is newer and faster
(3G HSUPA) 7.2 Mbpsvs+(4G LTE-A) 300 Mbps41 times
Faster for surfing the internet and download files
Not supportedvs+Ambient light sensorAdvantage
Sensors help you use the device
Not supportedvs+Fingerprint sensor (rear-mounted)Advantage
Sensors help you use the device
Not supportedvs+GyroscopeAdvantage
Sensors help you use the device
1750 mAhvs+4000 mAh129%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
5Wvs+10W100%
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.
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
2.1 + 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

21 Common items in both devices
Plastic body, glass front
60Hz
16 million
LED flash
Only digital zoom
Autofocus / PDAF: phase detection autofocus
EIS: Digital stabilization
+14 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 J (ST26a)LG K51 (K500UM3)
ModelXperia J (ST26a)K51 (K500UM3)
Other model namesSony Xperia J ST26, Sony JLoLG K51 (Boost Mobile) LMK500UM3ABMUTN, LM-K500UM3
Country or region available(Latin America)BrazilUSA
(Latin America), Brazil, USA
USA
USA
BrandSonyLG
Release date10/29/20122/1/2020
Depth9.2 millimeters (0.36 inches)8.47 millimeters (0.33 inches)
Size (width x height)61.2 x 124.3 millimeters (2.41 x 4.89 in)77.92 x 166.96 millimeters (3.07 x 6.57 in)
Weight124 grams (4.34 ounces)204 grams (7.14 ounces)
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.

📲 Display

Sony Xperia J (ST26a)LG K51 (K500UM3)
Display typeTFT LCDTFT IPS LCD
Screen size4" inches6.5" inches
Screen-to-body ratio~58% (screen-to-body ratio)~79.7% (screen-to-body ratio)
Display resolution480x854 pixels (16:9)720x1560 pixels (19.5:9)
TouchscreenCapacitive Multitouch 2-pointsCapacitive Multitouch
Pixel density (dot pitch)245 PPI264 PPI
Colors16 million16 million
Scratch-resistant glassScratch-resistant glassPanda King Glass
Refresh rate60Hz60Hz
Display featuresNot supportedNot supported

🤖 Operating System

Sony Xperia J (ST26a)LG K51 (K500UM3)
System versionAndroid 4.0.4 Ice Cream Sandwich ICSAndroid 9.0 Pie
Firmware updateAndroid 4.1.2 Jelly Beanfeature not registered
User Interfacefeature not registeredfeature not registered

⚙️ Processor

Sony Xperia J (ST26a)LG K51 (K500UM3)
Chipset32bit: Qualcomm Snapdragon S1 (MSM7227A) (45nm)64bit: MediaTek Helio P22 (MT6762) (12nm)
CPUSingle-core, 1 processor:
1x 1GHz ARM Cortex-A5 (Single-core)
Octa-core, 2 processors:
4x 2GHz ARM Cortex-A53 (Quad-core)
4x 1.5GHz ARM Cortex-A53 (Quad-core)
GPU graphical controllerQualcomm Adreno 200 (245MHz)PowerVR GE8320 (650MHz)
Performance (benchmark)AnTuTu: 1151 (v3)feature not registered

💽 Memory and storage

Sony Xperia J (ST26a)LG K51 (K500UM3)
RAM memory512MB LPDDR3GB LPDDR3
Internal storage4GB (2GB available)32GB (16GB available)
eMMC 5.1
External storageUntil 32GB microSD, microSDHC
(dedicated slot)
Until 1TB microSD, microSDXC
(dedicated slot)

📶 Mobile networks

Sony Xperia J (ST26a)LG K51 (K500UM3)
Dual-SIMNot supportedNot supported
SIM card1 slot (Single-SIM)
Standard mini-SIM (2FF)
1 slot (Single-SIM)
nano-SIM (4FF)
Maximum Download / Upload7.2/5.76 Mbps300/50 Mbps
Network technology2G, 3G2G, 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 850/1900/2100CDMA2000 1xEV-DO
UMTS 850/900/1700/1900/2100
Primary 4G networkNot supportedLTE Cat6 (2, 4, 5, 12, 13, 25, 26, 66, 71)
TD-LTE (41)
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPAGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G networkNot supportedNot supported
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkNot supportedNot supported

📷 Camera

Sony Xperia J (ST26a)LG K51 (K500UM3)
Back camera (main camera)5 megapixels(triple camera)
13 megapixels
5MP ultrawide f/2.21.12μm1/5"115°
2MP depth f/2.41.75μm1/5"85°
Main camera resolution2592x1944 pixels4128x3096 pixels
Video recording (primary)VGA (640x480)Full HD (1920x1080) 30 fps
FlashLED flashLED flash
Focal aperturefeature not registeredf/1.8 (aperture)
Focal lengthfeature not registered26mm (lens)
Sensor sizefeature not registered1/3" inches
Pixel sizefeature not registered1.12µm pixel
AutofocusAutofocusPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationEIS: Digital stabilizationEIS: Digital stabilization
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detectionFace detection, Smile detection
BSI sensorNot supportedNot supported
HDRNot supportedHDR photo on both cameras
Camera extrasfeature not registeredfeature not registered

📸 Front camera

Sony Xperia J (ST26a)LG K51 (K500UM3)
Front camera (secondary)0.3 megapixels13 megapixels
Front camera resolution640x480 pixels4128x3096 pixels
Video recording (secondary)Not supportedFull 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 J (ST26a)LG K51 (K500UM3)
LoudspeakerSupportedSupported
Active noise cancellation2 microphones or more2 microphones or more
RadioFM (RDS)Not supported
TVNot supportedNot supported
Video formatsMP4, WMV, H.263, H.264MP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+MP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

Sony Xperia J (ST26a)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
Bluetooth2.1 + A2DP5.0 + A2DP/LE
WiFi802.11 b/g/n [wifi4] (2.4GHz)802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
DLNASupportedNot supported
GPSA-GPS, GeoTaggingA-GPS, GeoTagging, GLONASS
NFCNot supportedNot supported
Infrared portNot supportedNot supported

🧭 Sensors

Sony Xperia J (ST26a)LG K51 (K500UM3)
SensorsAccelerometer
Compass
Proximity sensor
Accelerometer
Ambient light sensor
Compass
Fingerprint sensor (rear-mounted)
Gyroscope
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Sony Xperia J (ST26a)LG K51 (K500UM3)
Battery typeLi-Ion: lithium-ion (Removable)LiPo: li-ion polymer (Non removable)
Battery capacity1750 mAh4000 mAh
Charger, watts5W Wired charging10W (5V/2A) Wired charging
Inductive / wireless chargingNot supportedNot supported
Talk time autonomy7.3 hours21 hours
Standby618 hours (25.8 days)576 hours (24 days)

➕ Other features

Sony Xperia J (ST26a)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, HTML5, Flash playerHTML, XHTML, HTML5
AntennaInternal antennaInternal antenna
Qwerty physical keyboardNot supportedNot supported
Miscellaneous• Colors: Black, White, Yellow, Pink
• Video stabiliser
• xLoud
• 3D surround sound audio
• WiFi hotspot
• Java framework
• Colors: Titan gray
• Google Assistant
• DTS:X 3D sound surround
• HAC M3/T3

☢️ Radiation rate

Sony Xperia J (ST26a)LG K51 (K500UM3)
SAR 1.6W/kg (USA, Mexico, etc.)0.63W/kg (head), 0.5W/kg (body)feature not registered
SAR 2W/kg (Europe, UK, etc.)0.73W/kg (head)feature not registered
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