LG K42 (K420HM) vs Sony Xperia acro HD (SO-03D)

Share page: Facebook Twitter WhatsApp Share page:

Side by side comparison between LG K42 vs Sony Xperia acro HD phones, differences, pros, cons and full specifications. What's the better?

3/7/2021 7:31 PM, updated: 6/19/2025 5:50 PM

Compare Sony Xperia acro HD X LG K42 (K420HM) 22Points

Specifications Compare Models Pictures

6.6"
IPS

720x1600

13
MP

8mp

3GB
RAM

Octa-core

4000
mAh

(Non removable)

07Points Sony Xperia acro HD (SO-03D) Compare LG K42 X

Specifications Compare Models Pictures

4.3"
LED

720x1280

12
MP

1.3mp

1GB
RAM

Dual-core

1910
mAh

(Non removable)

What's the better phone? LG K42 (K420HM)

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!

22 Advantages LG K42 (K420HM)	vs	7 Advantages Sony Xperia acro HD (SO-03D)
+2GHz 64bit Octa-core (12nm)114% More powerful processor, you can open your applications faster	vs	1.5GHz 32bit Dual-core (45nm)
+3GB LPDDR4X2 times More RAM memory. Typically more responsive and better for multitasking.	vs	1GB LPDDR2
+64GB (45GB available)3 times More internal storage for applications and files	vs	16GB (11GB available)
+Until 1TB microSD, microSDXC31 times More external storage for files using memory cards	vs	Until 32GB microSD, microSDHC
+8.4 millimeters (0.33 inches)42% Thinner	vs	11.9 millimeters (0.47 inches)
+TFT IPS LCDAdvantage TFT IPS LCD display is brighter and more vivid	vs	TFT LED-Backlit LCD
+720x1600 pixels25% Higher resolution screen	vs	720x1280 pixels
+6.6"53% Larger screen	vs	4.3"
+(quad camera) 13MP + 5MP + 2MP + 2MP82% Higher resolution main camera	vs	(back) 12MP
+HDR photo on both camerasAdvantage The HDR technology produced photos with more detail in dark areas	vs	Not supported
+f/1.8 (aperture)33% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.	vs	f/2.4 (aperture)
+(front) 8MP5 times Higher resolution secondary camera to take pictures and selfies	vs	(front) 1.3MP
+(front) Full HD (1920x1080)125% More image quality for recording videos with the secondary camera	vs	(front) HD (1280x720)
+Android 10Advantage Android 10 is newer and safer	vs	Android 2.3.7 Gingerbread
+4G LTEAdvantage The 4G LTE network is newer and faster	vs	3G+ HSPA+
+(4G LTE) 150 Mbps9 times Faster for surfing the internet and download files	vs	(3G+ HSPA+) 14.4 Mbps
+Face unlock 2DAdvantage Sensors help you use the device	vs	Not supported
+Fingerprint sensor (side-mounted)Advantage Sensors help you use the device	vs	Not supported
+4000 mAh109% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	1910 mAh
+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster	vs	2.1 + A2DP
+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.	vs	MicroUSB 2.0
+MIL-STD-810G military certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example	vs	Waterproof (IP?)
184 grams (6.44 ounces)	vs	+149 grams (5.22 ounces)23% Lighter
266 PPI	vs	+342 PPI29% Crisper display of text, images and videos because it has more pixels per inch (ppi)
Not supported	vs	+BSI sensorAdvantage The BSI sensor allows the entry of more light generating photos with more detail and brightness
Not supported	vs	+Digital TVAdvantage Watch your favorite TV shows anywhere
Not supported	vs	+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
Not supported	vs	+NFCAdvantage NFC allows you to make payments by approach quickly and securely
Not supported	vs	+Scratch-resistant glassAdvantage Protection against scratches on the screen lets you carry your phone with your keys

25 Common items in both devices

Plastic body, glass front

60Hz

16 million

LED flash

Only digital zoom

PDAF: phase detection autofocus / Autofocus

EIS: Digital stabilization

+18 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
	LG K42 (K420HM)	Sony Xperia acro HD (SO-03D)
Change model		Choose the model
Model	K42 (K420HM)	Xperia acro HD (SO-03D)
Other model names	LG K42 LMK420HM, LM-K420HM Single-SIM	NTT DoCoMo Sony Ericsson Xperia acro HD SO-03D, Sony Hikari
Country or region available	(Latin America), Chile, Ecuador, Mexico, Peru	Japan
Brand	LG	Sony
Release date	9/21/2020	3/1/2012
Depth	8.4 millimeters (0.33 inches)	11.9 millimeters (0.47 inches)
Size (width x height)	76.7 x 165 millimeters (3.02 x 6.5 in)	66 x 126 millimeters (2.6 x 4.96 in)
Weight	184 grams (6.44 ounces)	149 grams (5.22 ounces)
Build, materials	Plastic body, glass front	Plastic body, glass front
Protection against water and others	MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant.	Waterproof (IP?)
📲 Display
	LG K42 (K420HM)	Sony Xperia acro HD (SO-03D)
Display type	TFT IPS LCD	TFT LED-Backlit LCD
Screen size	6.6" inches	4.3" inches
Screen-to-body ratio	~83.1% (screen-to-body ratio)	~61.3% (screen-to-body ratio)
Display resolution	720x1600 pixels (20:9)	720x1280 pixels
Touchscreen	Capacitive Multitouch	Capacitive Multitouch 10-points
Pixel density (dot pitch)	266 PPI	342 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Scratch-resistant glass
Refresh rate	60Hz	60Hz
Display features	Not supported	Sony Mobile BRAVIA Engine
🤖 Operating System
	LG K42 (K420HM)	Sony Xperia acro HD (SO-03D)
System version	Android 10	Android 2.3.7 Gingerbread
Firmware update	feature not registered	feature not registered
User Interface	feature not registered	feature not registered
⚙️ Processor
	LG K42 (K420HM)	Sony Xperia acro HD (SO-03D)
Chipset	64bit: MediaTek Helio P22 (MT6762) (12nm)	32bit: Qualcomm Snapdragon S3 (MSM8260) (45nm)
CPU	Octa-core, 2 processors: 4x 2GHz ARM Cortex-A53 (Quad-core) 4x 1.5GHz ARM Cortex-A53 (Quad-core)	Dual-core, 1 processor: 2x 1.5GHz Scorpion (Dual-core)
GPU graphical controller	PowerVR GE8320 (650MHz)	Qualcomm Adreno 220 (266MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	LG K42 (K420HM)	Sony Xperia acro HD (SO-03D)
RAM memory	3GB LPDDR4X	1GB LPDDR2
Internal storage	64GB (45GB available) eMMC 5.1	16GB (11GB available)
External storage	Until 1TB microSD, microSDXC (dedicated slot)	Until 32GB microSD, microSDHC (dedicated slot)
📶 Mobile networks
	LG K42 (K420HM)	Sony Xperia acro HD (SO-03D)
Dual-SIM	Not supported	Not supported
SIM card	1 slot (Single-SIM) nano-SIM (4FF)	1 slot (Single-SIM) Standard mini-SIM (2FF)
Maximum Download / Upload	150/50 Mbps	14.4/5.76 Mbps
Network technology	2G, 3G, 4G	2G, 3G
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	GSM 850/900/1800/1900
Primary 3G network	UMTS 850/900/1700/1900/2100	UMTS 800/850/1700/2100
Primary 4G network	LTE Cat4 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 28, 66) TD-LTE (38) VoLTE	Not supported
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+
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
	LG K42 (K420HM)	Sony Xperia acro HD (SO-03D)
Back camera (main camera)	(quad camera) 13 megapixels 5MP ultrawide f/2.2115°1/5.0"1.12µm 2MP macro f/2.41.75μm 2MP depth f/2.41.75μm	12 megapixels
Main camera resolution	4128x3096 pixels	4000x3000 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	Full HD (1920x1080) 30 fps
Flash	LED flash	LED flash
Focal aperture	f/1.8 (aperture)	f/2.4 (aperture)
Focal length	27mm (lens)	feature not registered
Sensor size	1/3.1" inches	feature not registered
Pixel size	1.12µm pixel	feature not registered
Autofocus	PDAF: phase detection autofocus	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, Smile detection	Face detection, Smile detection
BSI sensor	Not supported	Supported
HDR	HDR photo on both cameras	Not supported
Camera extras	feature not registered	feature not registered
📸 Front camera
	LG K42 (K420HM)	Sony Xperia acro HD (SO-03D)
Front camera (secondary)	8 megapixels	1.3 megapixels
Front camera resolution	3264x2448 pixels	1280x1024 pixels
Video recording (secondary)	Full HD (1920x1080)	HD (1280x720)
Front flash	Not supported	Not supported
Focal aperture	f/2.0 (aperture)	feature not registered
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	feature not registered
Pixel size	feature not registered	feature not registered
🔉 Sound and multimedia
	LG K42 (K420HM)	Sony Xperia acro HD (SO-03D)
Loudspeaker	Supported	Mono sound (not stereo)
Active noise cancellation	2 microphones or more	2 microphones
Radio	FM	FM (RDS)
TV	Not supported	Digital TV
Video formats	MP4, H.265, H.264, H.263, XviD, MKV	MP4, H.263, H.264, WMV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, eAAC+, WMA, WAV
🔌 Connectivity
	LG K42 (K420HM)	Sony Xperia acro HD (SO-03D)
USB	USB 2.0 Type-C, USB OTG On-The-Go	MicroUSB 2.0
Audio output	3.5mm jack	3.5mm jack
TV output	USB Type-C (reversible)	Micro HDMI Type D
Bluetooth	5.0 + A2DP/LE	2.1 + A2DP
WiFi	802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot	802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot
DLNA	Not supported	Supported
GPS	A-GPS, GeoTagging	A-GPS, GeoTagging
NFC	Not supported	Supported
Infrared port	Not supported	Supported
🧭 Sensors
	LG K42 (K420HM)	Sony Xperia acro HD (SO-03D)
Sensors	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (side-mounted) Proximity sensor	Accelerometer Ambient light sensor Compass Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	LG K42 (K420HM)	Sony Xperia acro HD (SO-03D)
Battery type	LiPo: li-ion polymer (Non removable)	Li-Ion: lithium-ion (Non removable)
Battery capacity	4000 mAh	1910 mAh
Charger, watts	10W (5V/2A) Wired charging	Wired charging
Inductive / wireless charging	Not supported	Not supported
Talk time autonomy	16 hours	9 hours
Standby	180 hours (7.5 days)	410 hours (17.1 days)
➕ Other features
	LG K42 (K420HM)	Sony Xperia acro HD (SO-03D)
Call control	Voice dialing, Voice recorder, Voice commands	Voice dialing, Voice recorder, Voice commands
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	HTML, XHTML, HTML5, Flash player
Antenna	Internal antenna	External retractable antenna
Qwerty physical keyboard	Not supported	Not supported
Miscellaneous	• Colors: Titan, Green, Red • Silicon case included • LG 3D Sound Engine	• Colors: Black, Aqua, Sakura, Ceramic • 2GB microSD included • PlayNow • Java framework
☢️ Radiation rate
	LG K42 (K420HM)	Sony Xperia acro HD (SO-03D)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered	feature not registered