Asus Zenfone 5Z (ZS621KL 256GB) vs Samsung Galaxy A23 (SM-A235M/DS 128GB)

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Side by side comparison between Asus Zenfone 5Z vs Samsung Galaxy A23 phones, differences, pros, cons and full specifications. What's the better?

9/6/2022 9:32 AM, updated: 5/19/2025 11:44 AM

Compare Samsung Galaxy A23 X Asus Zenfone 5Z (ZS621KL 256GB) 13Points

Specifications Compare Models Pictures

6.2"
IPS

1080x2246

12
MP

8mp

8GB
RAM

Octa-core

3300
mAh

(Non removable)

10Points Samsung Galaxy A23 (SM-A235M/DS 128GB) Compare Asus Zenfone 5Z X

Specifications Compare Models Pictures

6.6"
PLS

1080x2408

50
MP

8mp

4GB
RAM

Octa-core

5000
mAh

(Non removable)

What's the better phone? Asus Zenfone 5Z (ZS621KL 256GB)

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!

13 Advantages Asus Zenfone 5Z (ZS621KL 256GB)	vs	10 Advantages Samsung Galaxy A23 (SM-A235M/DS 128GB)
+8GB LPDDR4X100% More RAM memory. Typically more responsive and better for multitasking.	vs	4GB LPDDR4X
+256GB (240GB available)131% More internal storage for applications and files	vs	128GB (104GB available)
+UFS 2.1Advantage Fastest write and read storage.	vs	eMMC 5.1
+165 grams (5.78 ounces)18% Lighter	vs	195 grams (6.83 ounces)
+7.9 millimeters (0.31 inches)6% Thinner	vs	8.4 millimeters (0.33 inches)
+Aluminum frame, glass front/backAdvantage More resistant material	vs	Plastic body, glass front
+TFT IPS LCDAdvantage TFT IPS LCD display is brighter and more vivid	vs	TFT PLS
+402 PPI1% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	400 PPI
+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light	vs	LED flash
+4K UHD (3840x2160)3 times More image quality for recording videos with the primary camera	vs	Full HD (1920x1080)
+(4G LTE-A) 800 Mbps100% Faster for surfing the internet and download files	vs	(4G LTE-A) 400 Mbps
+Ambient light sensorAdvantage Sensors help you use the device	vs	Virtual ambient light sensor
+Proximity sensorAdvantage Sensors help you use the device	vs	Virtual proximity sensor
2.7GHz 64bit Octa-core	vs	+2.4GHz 64bit Octa-core (6nm)8% More powerful processor, you can open your applications faster
60Hz	vs	+90Hz50% The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.
1080x2246 pixels	vs	+1080x2408 pixels7% Higher resolution screen
6.2"	vs	+6.6"6% Larger screen
(dual camera) 12MP + 8MP	vs	+(quad camera) 50MP + 5MP + 2MP + 2MP195% Higher resolution main camera
Not supported	vs	+BSI sensorAdvantage The BSI sensor allows the entry of more light generating photos with more detail and brightness
Android 10	vs	+Android 15Advantage Android 15 is newer and safer
3300 mAh	vs	+5000 mAh52% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
18W	vs	+25W39% 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.
2 slots (Dual-SIM) (hybrid slot/shares the same microSD slot)	vs	+2 slots (Dual-SIM) (dedicated slot)Advantage You can have more mobile carriers/operators on the same device.

31 Common items in both devices

Until 1TB microSD, microSDXC

16 million

Only digital zoom

PDAF: phase detection autofocus

OIS (4-axis): Optical stabilization / OIS: Optical stabilization

HDR photo on both cameras

f/1.8 (aperture)

+24 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
	Asus Zenfone 5Z (ZS621KL 256GB)	Galaxy A23 (SM-A235M/DS 128GB)
Change model		Choose the model
Model	Zenfone 5Z (ZS621KL 256GB)	Galaxy A23 (SM-A235M/DS 128GB)
Other model names	Asus Zenfone 5z 8GB RAM (ZS621KL), ASUS_Z01RD	Galaxy A23 4G SM-A235M/Dual-SIM NFC
Country or region available	India	(Latin America), Brazil, Colombia, Paraguay, Uruguay
Brand	Asus	Samsung
Release date	6/1/2018	3/25/2022, Announced: 3/4/2022
Depth	7.9 millimeters (0.31 inches)	8.4 millimeters (0.33 inches)
Size (width x height)	75.65 x 153 millimeters (2.98 x 6.02 in)	76.9 x 165.4 millimeters (3.03 x 6.51 in)
Weight	165 grams (5.78 ounces)	195 grams (6.83 ounces)
Build, materials	Aluminum frame, glass front/back	Plastic body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	Asus Zenfone 5Z (ZS621KL 256GB)	Galaxy A23 (SM-A235M/DS 128GB)
Display type	TFT IPS LCD	TFT PLS
Screen size	6.2" inches	6.6" inches
Screen-to-body ratio	~83.7% (screen-to-body ratio)	~82.5% (screen-to-body ratio)
Display resolution	1080x2246 pixels (18.7:9)	1080x2408 pixels (20:9)
Touchscreen	Capacitive Multitouch 10-points	Capacitive Multitouch
Pixel density (dot pitch)	402 PPI	400 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass	Gorilla Glass 5
Refresh rate	60Hz	90Hz
Display features	550nits[typ]	Not supported
🤖 Operating System
	Asus Zenfone 5Z (ZS621KL 256GB)	Galaxy A23 (SM-A235M/DS 128GB)
System version	Android 8.0 Oreo	Android 12
Firmware update	Android 10	Android 15
User Interface	feature not registered	One UI 4.1 / 5.0 / 6.0 / 7.0
⚙️ Processor
	Asus Zenfone 5Z (ZS621KL 256GB)	Galaxy A23 (SM-A235M/DS 128GB)
Chipset	64bit: Qualcomm Snapdragon 845 MSM8998 (10nm)	64bit: Qualcomm Snapdragon 680 (SM6225) (6nm)
CPU	Octa-core, 2 processors: 4x 2.7GHz Kryo 385 Gold (Quad-core) 4x 1.7GHz Kryo 385 Silver (Quad-core)	Octa-core, 2 processors: 4x 2.4GHz Kryo 265 Gold (Quad-core) 4x 1.9GHz Kryo 265 Silver (Quad-core)
GPU graphical controller	Qualcomm Adreno 630 710Mhz	Qualcomm Adreno 610
Performance (benchmark)	feature not registered	AnTuTu: 273554 (v9) Geekbench: 1632 (v5.1) GFXBench: 6.7fps (ES 3.1 onscreen)
💽 Memory and storage
	Asus Zenfone 5Z (ZS621KL 256GB)	Galaxy A23 (SM-A235M/DS 128GB)
RAM memory	8GB LPDDR4X	4GB LPDDR4X
Internal storage	256GB (240GB available) UFS 2.1	128GB (104GB available) eMMC 5.1
External storage	Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)	Until 1TB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Asus Zenfone 5Z (ZS621KL 256GB)	Galaxy A23 (SM-A235M/DS 128GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot)	Dual-SIM Standby - Call active on one sim card (dedicated slot)
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	800/100 Mbps	400/150 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 800/850/900	UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat15 (Bands 1,2,3,5,7,8,18,19,20,26,28) TD-LTE (Bands 38,39,40,41)	LTE Cat13 (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, LTE-A
Secondary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Secondary 3G network	Not supported	UMTS 850/900/1700/1900/2100
Secondary 4G network	Not supported	LTE Cat13 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE
Secondary data network	GPRS, EDGE	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
📷 Camera
	Asus Zenfone 5Z (ZS621KL 256GB)	Galaxy A23 (SM-A235M/DS 128GB)
Back camera (main camera)	(dual camera) 12 megapixels 8MP ultrawide f/2.012mm1/4"1.12µmFF	(quad camera) 50 megapixels 5MP ultrawide f/2.2123°1/5"1.12µm 2MP macro f/2.4 2MP depth f/2.4
Main camera resolution	4000x3000 pixels	8160x6120 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	Full HD (1920x1080) 30 fps
Flash	Dual-LED flash	LED flash
Focal aperture	f/1.8 (aperture)	f/1.8 (aperture)
Focal length	24mm (lens)	feature not registered
Sensor size	1/2.55" inches	feature not registered
Pixel size	1.4µm pixel	feature not registered
Autofocus	PDAF: phase detection autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	OIS (4-axis): Optical stabilization	OIS: Optical 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
	Asus Zenfone 5Z (ZS621KL 256GB)	Galaxy A23 (SM-A235M/DS 128GB)
Front camera (secondary)	8 megapixels	8 megapixels
Front camera resolution	3264x2448 pixels	3264x2448 pixels
Video recording (secondary)	Full HD (1920x1080)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/2.0 (aperture)	f/2.2 (aperture)
Focal length	24mm (lens)	feature not registered
Sensor size	1/4" inches	feature not registered
Pixel size	1.12µm pixel	feature not registered
🔉 Sound and multimedia
	Asus Zenfone 5Z (ZS621KL 256GB)	Galaxy A23 (SM-A235M/DS 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.265, H.264, H.263	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, OGG, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Asus Zenfone 5Z (ZS621KL 256GB)	Galaxy A23 (SM-A235M/DS 128GB)
USB	USB 2.0 Type-C, USB OTG On-The-Go	USB 2.0 Type-C, USB OTG On-The-Go
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	USB Type-C (reversible)
Bluetooth	5.0 + A2DP/LE	5.0 + A2DP/LE
WiFi	802.11 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
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, BeiDou	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Asus Zenfone 5Z (ZS621KL 256GB)	Galaxy A23 (SM-A235M/DS 128GB)
Sensors	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor	Accelerometer Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Virtual ambient light sensor Virtual proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Asus Zenfone 5Z (ZS621KL 256GB)	Galaxy A23 (SM-A235M/DS 128GB)
Battery type	Li-Ion: lithium-ion (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	3300 mAh	5000 mAh
Charger, watts	18W (9V/2A) Wired fast charging	25W Wired fast charging
Inductive / wireless charging	Not supported	Not supported
Talk time autonomy	25 hours (1 days)	50 hours (2.1 days)
Standby	feature not registered	feature not registered
➕ Other features
	Asus Zenfone 5Z (ZS621KL 256GB)	Galaxy A23 (SM-A235M/DS 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: Midnight Blue, Meteor Silver • 2.5D curved glass screen • 95% DCI-P3 coverage • Supports glove touch • ASUS ZenUI 5.0 • 24-bit/192kHz audio • DTS sound (only headphones)	• Colors: Black, White, Blue, Peach
☢️ Radiation rate
	Asus Zenfone 5Z (ZS621KL 256GB)	Galaxy A23 (SM-A235M/DS 128GB)
SAR 1.6W/kg (USA, Mexico, etc.)	1.04W/kg (head), 0.37W/kg (body)	0.63W/kg (head), 0.78W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	1.2W/kg (head), 1.477W/kg (body)	feature not registered