LG K40 (X420ZM) vs Samsung Galaxy A04 (SM-A045M 128GB)

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Side by side comparison between LG K40 vs Samsung Galaxy A04 phones, differences, pros, cons and full specifications. What's the better?

1/18/2023 8:19 AM, updated: 2/22/2023 4:37 PM

Compare Samsung Galaxy A04 X LG K40 (X420ZM) 09Points

Specifications Compare Models Pictures

5.7"
IPS

720x1440

16
MP

8mp

2GB
RAM

Octa-core

3000
mAh

(Non removable)

11Points Samsung Galaxy A04 (SM-A045M 128GB) Compare LG K40 X

Specifications Compare Models Pictures

6.5"
PLS

720x1600

50
MP

5mp

4GB
RAM

Octa-core

5000
mAh

(Non removable)

What's the better phone? Samsung Galaxy A04 (SM-A045M 128GB)

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!

9 Advantages LG K40 (X420ZM)	vs	11 Advantages Samsung Galaxy A04 (SM-A045M 128GB)
+150 grams (5.25 ounces)28% Lighter	vs	192 grams (6.72 ounces)
+8.3 millimeters (0.33 inches)10% Thinner	vs	9.1 millimeters (0.36 inches)
+TFT IPS LCDAdvantage TFT IPS LCD display is brighter and more vivid	vs	TFT PLS
+282 PPI4% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	270 PPI
+LED flash on both camerasAdvantage The LED flash on both cameras helps in dark places or in low light	vs	LED flash
+(front) 8MP59% Higher resolution secondary camera to take pictures and selfies	vs	(front) 5MP
+(4G LTE-A) 300 Mbps100% Faster for surfing the internet and download files	vs	(4G LTE) 150 Mbps
+Fingerprint sensor (rear-mounted)Advantage Sensors help you use the device	vs	Not supported
+MIL-STD-810G military certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example	vs	Not supported
2GHz 64bit Octa-core (12nm)	vs	+2.3GHz 64bit Octa-core (12nm)17% More powerful processor, you can open your applications faster
2GB LPDDR3	vs	+4GB LPDDR4X100% More RAM memory. Typically more responsive and better for multitasking.
32GB (20GB available)	vs	+128GB (103GB available)4 times More internal storage for applications and files
720x1440 pixels	vs	+720x1600 pixels11% Higher resolution screen
5.7"	vs	+6.5"14% Larger screen
(back) 16MP	vs	+(dual camera) 50MP + 2MP2 times Higher resolution main camera
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 8.1 Oreo	vs	+Android 13Advantage Android 13 is newer and safer
Not supported	vs	+Face unlockAdvantage Sensors help you use the device
3000 mAh	vs	+5000 mAh67% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
MicroUSB 2.0, USB OTG On-The-Go	vs	+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.

24 Common items in both devices

eMMC 5.1

Until 1TB microSD, microSDXC

Plastic body, glass front

16 million

Only digital zoom

PDAF: phase detection autofocus / Autofocus

EIS: Digital stabilization

+17 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 K40 (X420ZM)	Galaxy A04 (SM-A045M 128GB)
Change model		Choose the model
Model	K40 (X420ZM)	Galaxy A04 (SM-A045M 128GB)
Other model names	LG K40 LMX420ZM, LM-X420ZM, LG-LMX420ZM	Galaxy A04 SM-A045M Single-SIM
Country or region available	South Africa	Argentina, Peru
Brand	LG	Samsung
Release date	3/31/2019	10/10/2022, Announced: 8/24/2022
Depth	8.3 millimeters (0.33 inches)	9.1 millimeters (0.36 inches)
Size (width x height)	71.9 x 153 millimeters (2.83 x 6.02 in)	76.3 x 164.4 millimeters (3 x 6.47 in)
Weight	150 grams (5.25 ounces)	192 grams (6.72 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.	Not supported
📲 Display
	LG K40 (X420ZM)	Galaxy A04 (SM-A045M 128GB)
Display type	TFT IPS LCD	TFT PLS
Screen size	5.7" inches	6.5" inches
Screen-to-body ratio	~76.2% (screen-to-body ratio)	~81.3% (screen-to-body ratio)
Display resolution	720x1440 pixels	720x1600 pixels (20:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	282 PPI	270 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Not supported
Refresh rate	feature not registered	60Hz
Display features	feature not registered	Not supported
🤖 Operating System
	LG K40 (X420ZM)	Galaxy A04 (SM-A045M 128GB)
System version	Android 8.1 Oreo	Android 12
Firmware update	feature not registered	Android 13
User Interface	feature not registered	One UI Core 4.1 / 5.0
⚙️ Processor
	LG K40 (X420ZM)	Galaxy A04 (SM-A045M 128GB)
Chipset	64bit: MediaTek Helio P22 (MT6762) (12nm)	64bit: MediaTek Helio G37 (MT6765V/CB) (12nm)
CPU	Octa-core, 2 processors: 4x 2GHz ARM Cortex-A53 (Quad-core) 4x 1.5GHz ARM Cortex-A53 (Quad-core)	Octa-core, 2 processors: 4x 2.3GHz ARM Cortex-A53 (Quad-core) 4x 1.8GHz ARM Cortex-A53 (Quad-core)
GPU graphical controller	PowerVR GE8320 (650MHz)	PowerVR GE8320 MP2 (680MHz)
Performance (benchmark)	feature not registered	AnTuTu: 112662 (v9)
💽 Memory and storage
	LG K40 (X420ZM)	Galaxy A04 (SM-A045M 128GB)
RAM memory	2GB LPDDR3	4GB LPDDR4X
Internal storage	32GB (20GB available) eMMC 5.1	128GB (103GB available) eMMC 5.1
External storage	Until 1TB microSD, microSDXC (dedicated slot)	Until 1TB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	LG K40 (X420ZM)	Galaxy A04 (SM-A045M 128GB)
Dual-SIM	Not supported	Not supported
SIM card	1 slot (Single-SIM) nano-SIM (4FF)	1 slot (Single-SIM) nano-SIM (4FF)
Maximum Download / Upload	300/50 Mbps	150/50 Mbps
Network technology	2G, 3G, 4G	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	GSM 850/900/1800/1900
Primary 3G network	UMTS 850/900/1900/2100	UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat6 (Bands 1, 3, 5, 7, 8, 20) TD-LTE (Bands 38, 40)	LTE Cat4 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE
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 K40 (X420ZM)	Galaxy A04 (SM-A045M 128GB)
Back camera (main camera)	16 megapixels	(dual camera) 50 megapixels 2MP depth f/2.4
Main camera resolution	4608x3456 pixels	8160x6120 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	Full HD (1920x1080) 30 fps
Flash	LED flash on both cameras	LED flash
Focal aperture	f/2.0 (aperture)	f/1.8 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	1/3" inches	feature not registered
Pixel size	1µm 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	HDR photo on both cameras
Camera extras	feature not registered	feature not registered
📸 Front camera
	LG K40 (X420ZM)	Galaxy A04 (SM-A045M 128GB)
Front camera (secondary)	8 megapixels	5 megapixels
Front camera resolution	3264x2448 pixels	2592x1944 pixels
Video recording (secondary)	Full HD (1920x1080)	Full HD (1920x1080)
Front flash	LED	Not supported
Focal aperture	f/2.0 (aperture)	f/2.2 (aperture)
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 K40 (X420ZM)	Galaxy A04 (SM-A045M 128GB)
Loudspeaker	Supported	Mono sound (not stereo)
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	FM	FM
TV	Not supported	Not supported
Video formats	MP4, H.264, H.263, XviD, MKV	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	LG K40 (X420ZM)	Galaxy A04 (SM-A045M 128GB)
USB	MicroUSB 2.0, USB OTG On-The-Go	USB 2.0 Type-C reversible connector
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	Not supported
Bluetooth	5.0 + A2DP/LE	5.0 + A2DP/LE
WiFi	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Not supported	Not supported
Infrared port	Not supported	Not supported
🧭 Sensors
	LG K40 (X420ZM)	Galaxy A04 (SM-A045M 128GB)
Sensors	Accelerometer Ambient light sensor Fingerprint sensor (rear-mounted) Proximity sensor	Accelerometer Ambient light sensor Face unlock Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	LG K40 (X420ZM)	Galaxy A04 (SM-A045M 128GB)
Battery type	Li-Ion: lithium-ion (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	3000 mAh	5000 mAh
Charger, watts	Wired charging	15W Wired fast charging
Inductive / wireless charging	feature not registered	Not supported
Talk time autonomy	8 hours	feature not registered
Standby	100 hours (4.2 days)	feature not registered
➕ Other features
	LG K40 (X420ZM)	Galaxy A04 (SM-A045M 128GB)
Call control	Voice dialing, Voice recorder	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
Antenna	Internal antenna	Internal antenna
Qwerty physical keyboard	Not supported	Not supported
Miscellaneous	• Colors: Black, Moroccan Blue, Platinum Gray • 18:9 ratio FullVision display • LED notification • DTS-X Surround sound	• Colors: Black, White, Green, Copper
☢️ Radiation rate
	LG K40 (X420ZM)	Galaxy A04 (SM-A045M 128GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	1.01W/kg (head), 1.08W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	feature not registered	feature not registered