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

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

7/12/2020 10:09 PM, updated: 11/3/2021 11:17 AM

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

Specifications Compare Models Pictures

4"
TFT

480x854

5
MP

0.3mp

512MB
RAM

Single-core

1750
mAh

(Removable)

25Points LG K51 (K500UM3) Compare Sony Xperia J X

Specifications Compare Models Pictures

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!

4 Advantages Sony Xperia J (ST26a)	vs	25 Advantages LG K51 (K500UM3)
+124 grams (4.34 ounces)65% Lighter	vs	204 grams (7.14 ounces)
+Li-Ion: lithium-ion (Removable)Advantage Removable battery can be replaced easily	vs	LiPo: li-ion polymer (Non removable)
+FM (RDS)Advantage The radio lets you listen to your songs and sports in general	vs	Not supported
+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.	vs	Not supported
1GHz 32bit Single-core (45nm)	vs	+2GHz 64bit Octa-core (12nm)3 times More powerful processor, you can open your applications faster
512MB LPDDR	vs	+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, microSDHC	vs	+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 LCD	vs	+TFT IPS LCDAdvantage TFT IPS LCD display is brighter and more vivid
480x854 pixels	vs	+720x1560 pixels174% Higher resolution screen
245 PPI	vs	+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) 5MP	vs	+(triple camera) 13MP + 5MP + 2MP3 times Higher resolution main camera
Not supported	vs	+HDR photo on both camerasAdvantage The HDR technology produced photos with more detail in dark areas
(front) 0.3MP	vs	+(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 Bean	vs	+Android 9.0 PieAdvantage Android 9.0 Pie is newer and safer
3G HSUPA	vs	+4G LTE-AAdvantage The 4G LTE-A network is newer and faster
(3G HSUPA) 7.2 Mbps	vs	+(4G LTE-A) 300 Mbps41 times Faster for surfing the internet and download files
Not supported	vs	+Ambient light sensorAdvantage Sensors help you use the device
Not supported	vs	+Fingerprint sensor (rear-mounted)Advantage Sensors help you use the device
Not supported	vs	+GyroscopeAdvantage Sensors help you use the device
1750 mAh	vs	+4000 mAh129% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
5W	vs	+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 + A2DP	vs	+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster
MicroUSB 2.0	vs	+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.
Not supported	vs	+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

📱 Model features
	Sony Xperia J (ST26a)	LG K51 (K500UM3)
Change model		Choose the model
Model	Xperia J (ST26a)	K51 (K500UM3)
Other model names	Sony Xperia J ST26, Sony JLo	LG K51 (Boost Mobile) LMK500UM3ABMUTN, LM-K500UM3
Country or region available	(Latin America), Brazil, USA	USA
Brand	Sony	LG
Release date	10/29/2012	2/1/2020
Depth	9.2 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)
Weight	124 grams (4.34 ounces)	204 grams (7.14 ounces)
Build, materials	Plastic body, glass front	Plastic body, glass front
Protection against water and others	Not supported	MIL-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 type	TFT LCD	TFT IPS LCD
Screen size	4" inches	6.5" inches
Screen-to-body ratio	~58% (screen-to-body ratio)	~79.7% (screen-to-body ratio)
Display resolution	480x854 pixels (16:9)	720x1560 pixels (19.5:9)
Touchscreen	Capacitive Multitouch 2-points	Capacitive Multitouch
Pixel density (dot pitch)	245 PPI	264 PPI
Colors	16 million	16 million
Scratch-resistant glass	Scratch-resistant glass	Panda King Glass
Refresh rate	60Hz	60Hz
Display features	Not supported	Not supported
🤖 Operating System
	Sony Xperia J (ST26a)	LG K51 (K500UM3)
System version	Android 4.0.4 Ice Cream Sandwich ICS	Android 9.0 Pie
Firmware update	Android 4.1.2 Jelly Bean	feature not registered
User Interface	feature not registered	feature not registered
⚙️ Processor
	Sony Xperia J (ST26a)	LG K51 (K500UM3)
Chipset	32bit: Qualcomm Snapdragon S1 (MSM7227A) (45nm)	64bit: MediaTek Helio P22 (MT6762) (12nm)
CPU	Single-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 controller	Qualcomm 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 memory	512MB LPDDR	3GB LPDDR3
Internal storage	4GB (2GB available)	32GB (16GB available) eMMC 5.1
External storage	Until 32GB microSD, microSDHC (dedicated slot)	Until 1TB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Sony Xperia J (ST26a)	LG K51 (K500UM3)
Dual-SIM	Not supported	Not supported
SIM card	1 slot (Single-SIM) Standard mini-SIM (2FF)	1 slot (Single-SIM) nano-SIM (4FF)
Maximum Download / Upload	7.2/5.76 Mbps	300/50 Mbps
Network technology	2G, 3G	2G, 3G, 4G
Frequency, bands	Expand band details Collapse details
GSM MHz band	Quad-Band 850/900/1800/1900	Quad-Band 850/900/1800/1900
Primary 2G network	GSM 850/900/1800/1900	CDMA 800/1900, GSM 850/900/1800/1900
Primary 3G network	UMTS 850/1900/2100	CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100
Primary 4G network	Not supported	LTE Cat6 (2, 4, 5, 12, 13, 25, 26, 66, 71) TD-LTE (41)
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA	GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G network	Not supported	Not supported
Secondary 3G network	Not supported	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	Not supported	Not 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 resolution	2592x1944 pixels	4128x3096 pixels
Video recording (primary)	VGA (640x480)	Full HD (1920x1080) 30 fps
Flash	LED flash	LED flash
Focal aperture	feature not registered	f/1.8 (aperture)
Focal length	feature not registered	26mm (lens)
Sensor size	feature not registered	1/3" inches
Pixel size	feature not registered	1.12µm pixel
Autofocus	Autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	EIS: Digital stabilization
Zoom	Only digital zoom	Only digital zoom
Face/smile detection	Face detection	Face detection, Smile detection
BSI sensor	Not supported	Not supported
HDR	Not supported	HDR photo on both cameras
Camera extras	feature not registered	feature not registered
📸 Front camera
	Sony Xperia J (ST26a)	LG K51 (K500UM3)
Front camera (secondary)	0.3 megapixels	13 megapixels
Front camera resolution	640x480 pixels	4128x3096 pixels
Video recording (secondary)	Not supported	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	feature not registered	f/2.0 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	1/3" inches
Pixel size	feature not registered	1.12µm pixel
🔉 Sound and multimedia
	Sony Xperia J (ST26a)	LG K51 (K500UM3)
Loudspeaker	Supported	Supported
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	FM (RDS)	Not supported
TV	Not supported	Not supported
Video formats	MP4, WMV, H.263, H.264	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, WMA, eAAC+	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Sony Xperia J (ST26a)	LG K51 (K500UM3)
USB	MicroUSB 2.0	USB 2.0 Type-C, USB OTG On-The-Go
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	Not supported
Bluetooth	2.1 + A2DP	5.0 + A2DP/LE
WiFi	802.11 b/g/n [wifi4] (2.4GHz)	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Supported	Not supported
GPS	A-GPS, GeoTagging	A-GPS, GeoTagging, GLONASS
NFC	Not supported	Not supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Sony Xperia J (ST26a)	LG K51 (K500UM3)
Sensors	Accelerometer Compass Proximity sensor	Accelerometer Ambient light sensor Compass Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Sony Xperia J (ST26a)	LG K51 (K500UM3)
Battery type	Li-Ion: lithium-ion (Removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	1750 mAh	4000 mAh
Charger, watts	5W Wired charging	10W (5V/2A) Wired charging
Inductive / wireless charging	Not supported	Not supported
Talk time autonomy	7.3 hours	21 hours
Standby	618 hours (25.8 days)	576 hours (24 days)
➕ Other features
	Sony Xperia J (ST26a)	LG K51 (K500UM3)
Call control	Voice dialing, Voice recorder, Voice commands	Voice dialing, Voice recorder
Messaging	SMS (T9), MMS, E-mail, Push mail	SMS (T9), MMS, E-mail, Push mail
Hands-free calling	Supported	Supported
Video calling	Supported	Supported
Ringtones	Polyphonic and customized	Polyphonic and customized
Web browser	HTML, XHTML, HTML5, Flash player	HTML, XHTML, HTML5
Antenna	Internal antenna	Internal antenna
Qwerty physical keyboard	Not supported	Not 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