Samsung Galaxy A40 (SM-A405FM/DS) vs Asus Zenfone 5Z (ZS621KL 64GB)

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Side by side comparison between Samsung Galaxy A40 vs Asus Zenfone 5Z phones, differences, pros, cons and full specifications. What's the better?

3/21/2020 3:22 PM, updated: 9/28/2020 10:56 PM

Compare Asus Zenfone 5Z X Samsung Galaxy A40 (SM-A405FM/DS) 10Points

Specifications Compare Models Pictures

5.9"
AMOLED

1080x2340

16
MP

25mp

4GB
RAM

Octa-core

3100
mAh

(Non removable)

13Points Asus Zenfone 5Z (ZS621KL 64GB) Compare Samsung Galaxy A40 X

Specifications Compare Models Pictures

6.2"
IPS

1080x2246

12
MP

8mp

6GB
RAM

Octa-core

3300
mAh

(Non removable)

What's the better phone? Asus Zenfone 5Z (ZS621KL 64GB)

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!

10 Advantages Samsung Galaxy A40 (SM-A405FM/DS)	vs	13 Advantages Asus Zenfone 5Z (ZS621KL 64GB)
+140 grams (4.9 ounces)18% Lighter	vs	165 grams (5.78 ounces)
+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid	vs	TFT IPS LCD
+1080x2340 pixels4% Higher resolution screen	vs	1080x2246 pixels
+437 PPI9% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	402 PPI
+(dual camera) 16MP + 5MP5% Higher resolution main camera	vs	(dual camera) 12MP + 8MP
+f/1.7 (aperture)6% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.	vs	f/1.8 (aperture)
+(front) 25MP2 times Higher resolution secondary camera to take pictures and selfies	vs	(front) 8MP
+ANT+Advantage Sensors help you use the device	vs	Not supported
+2 slots (Dual-SIM) (dedicated slot)Advantage You can have more mobile carriers/operators on the same device.	vs	2 slots (Dual-SIM) (hybrid slot/shares the same microSD slot)
+USB 3.1 Type-C, USB OTG On-The-GoAdvantage Newer and faster USB version for transferring photos, mp3 or data.	vs	USB 2.0 Type-C, USB OTG On-The-Go
1.8GHz 64bit Octa-core	vs	+2.7GHz 64bit Octa-core61% More powerful processor, you can open your applications faster
4GB LPDDR4X	vs	+6GB LPDDR4X50% More RAM memory. Typically more responsive and better for multitasking.
eMMC 5.1	vs	+UFS 2.1Advantage Fastest write and read storage.
Plastic body, glass front	vs	+Aluminum frame, glass front/backAdvantage More resistant material
5.9"	vs	+6.2"5% Larger screen
LED flash	vs	+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light
EIS: Digital stabilization	vs	+OIS (4-axis): Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video
Full HD (1920x1080)	vs	+4K UHD (3840x2160)3 times More image quality for recording videos with the primary camera
Android 9.0 Pie	vs	+Android 10Advantage Android 10 is newer and safer
(4G LTE-A) 600 Mbps	vs	+(4G LTE-A) 800 Mbps33% Faster for surfing the internet and download files
3100 mAh	vs	+3300 mAh6% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
15W	vs	+18W20% 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.
Not supported	vs	+Gorilla GlassAdvantage Protection against scratches on the screen lets you carry your phone with your keys

30 Common items in both devices

64GB (49GB available) / 64GB (51GB available)

Until 1TB microSD, microSDXC

7.9 millimeters (0.31 inches)

16 million

Only digital zoom

PDAF: phase detection autofocus

HDR photo on both cameras

+23 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
	Galaxy A40 (SM-A405FM/DS)	Asus Zenfone 5Z (ZS621KL 64GB)
Change model		Choose the model
Model	Galaxy A40 (SM-A405FM/DS)	Zenfone 5Z (ZS621KL 64GB)
Other model names	Galaxy A40 SM-A405FM/Dual-Sim, SM-A405FZKGSER	Asus Zenfone 5z 6GB RAM (ZS621KL), ASUS_Z01RD
Country or region available	Kazakhstan, Russia	India
Brand	Samsung	Asus
Release date	4/10/2019	6/1/2018
Depth	7.9 millimeters (0.31 inches)	7.9 millimeters (0.31 inches)
Size (width x height)	69.2 x 144.4 millimeters (2.72 x 5.69 in)	75.65 x 153 millimeters (2.98 x 6.02 in)
Weight	140 grams (4.9 ounces)	165 grams (5.78 ounces)
Build, materials	Plastic body, glass front	Aluminum frame, glass front/back
Protection against water and others	Not supported	Not supported
📲 Display
	Galaxy A40 (SM-A405FM/DS)	Asus Zenfone 5Z (ZS621KL 64GB)
Display type	Super AMOLED	TFT IPS LCD
Screen size	5.9" inches	6.2" inches
Screen-to-body ratio	~85.5% (screen-to-body ratio)	~83.7% (screen-to-body ratio)
Display resolution	1080x2340 pixels	1080x2246 pixels (18.7:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch 10-points
Pixel density (dot pitch)	437 PPI	402 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Gorilla Glass
Refresh rate	feature not registered	60Hz
Display features	feature not registered	550nits[typ]
🤖 Operating System
	Galaxy A40 (SM-A405FM/DS)	Asus Zenfone 5Z (ZS621KL 64GB)
System version	Android 9.0 Pie	Android 8.0 Oreo
Firmware update	feature not registered	Android 10
User Interface	feature not registered	feature not registered
⚙️ Processor
	Galaxy A40 (SM-A405FM/DS)	Asus Zenfone 5Z (ZS621KL 64GB)
Chipset	64bit: Samsung Exynos 7 Octa 7885 (14nm)	64bit: Qualcomm Snapdragon 845 MSM8998 (10nm)
CPU	Octa-core, 2 processors: 2x 1.8GHz ARM Cortex-A73 (Dual-core) 6x 1.6GHz ARM Cortex-A53 (Hexa-core)	Octa-core, 2 processors: 4x 2.7GHz Kryo 385 Gold (Quad-core) 4x 1.7GHz Kryo 385 Silver (Quad-core)
GPU graphical controller	ARM Mali-G71 MP2	Qualcomm Adreno 630 710Mhz
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Galaxy A40 (SM-A405FM/DS)	Asus Zenfone 5Z (ZS621KL 64GB)
RAM memory	4GB LPDDR4X	6GB LPDDR4X
Internal storage	64GB (49GB available) eMMC 5.1	64GB (51GB available) UFS 2.1
External storage	Until 1TB microSD, microSDXC (dedicated slot)	Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)
📶 Mobile networks
	Galaxy A40 (SM-A405FM/DS)	Asus Zenfone 5Z (ZS621KL 64GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (dedicated slot)	Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot)
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	600/150 Mbps	800/100 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 800/850/900
Primary 4G network	LTE Cat12/13 (Bands 1, 3, 5, 7, 8, 20) TD-LTE (Bands 38, 40, 41)	LTE Cat15 (Bands 1,2,3,5,7,8,18,19,20,26,28) TD-LTE (Bands 38,39,40,41)
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	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	GPRS, EDGE	GPRS, EDGE
📷 Camera
	Galaxy A40 (SM-A405FM/DS)	Asus Zenfone 5Z (ZS621KL 64GB)
Back camera (main camera)	(dual camera) 16 megapixels 5MP ultrawide f/2.213mmFF	(dual camera) 12 megapixels 8MP ultrawide f/2.012mm1/4"1.12µmFF
Main camera resolution	4608x3456 pixels	4000x3000 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	4K UHD (3840x2160) 30 fps
Flash	LED flash	Dual-LED flash
Focal aperture	f/1.7 (aperture)	f/1.8 (aperture)
Focal length	26mm (lens)	24mm (lens)
Sensor size	feature not registered	1/2.55" inches
Pixel size	feature not registered	1.4µm pixel
Autofocus	PDAF: phase detection autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	OIS (4-axis): Optical stabilization
Zoom	Only digital zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Not supported	Not supported
HDR	HDR photo on both cameras	HDR photo on both cameras
Camera extras	feature not registered	feature not registered
📸 Front camera
	Galaxy A40 (SM-A405FM/DS)	Asus Zenfone 5Z (ZS621KL 64GB)
Front camera (secondary)	25 megapixels	8 megapixels
Front camera resolution	5760x4320 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/2.0 (aperture)
Focal length	25mm (lens)	24mm (lens)
Sensor size	feature not registered	1/4" inches
Pixel size	feature not registered	1.12µm pixel
🔉 Sound and multimedia
	Galaxy A40 (SM-A405FM/DS)	Asus Zenfone 5Z (ZS621KL 64GB)
Loudspeaker	Supported	Supported
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, WMV, MKV	MP4, H.265, H.264, H.263
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, OGG, eAAC+, FLAC
🔌 Connectivity
	Galaxy A40 (SM-A405FM/DS)	Asus Zenfone 5Z (ZS621KL 64GB)
USB	USB 3.1 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	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, GLONASS, GALILEO, BeiDou	A-GPS, GeoTagging, GLONASS, BeiDou
NFC	Supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Galaxy A40 (SM-A405FM/DS)	Asus Zenfone 5Z (ZS621KL 64GB)
Sensors	Accelerometer Ambient light sensor ANT+ Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy A40 (SM-A405FM/DS)	Asus Zenfone 5Z (ZS621KL 64GB)
Battery type	LiPo: li-ion polymer (Non removable)	Li-Ion: lithium-ion (Non removable)
Battery capacity	3100 mAh	3300 mAh
Charger, watts	15W Wired fast charging	18W (9V/2A) Wired fast charging
Inductive / wireless charging	feature not registered	Not supported
Talk time autonomy	18 hours	25 hours (1 days)
Standby	feature not registered	feature not registered
➕ Other features
	Galaxy A40 (SM-A405FM/DS)	Asus Zenfone 5Z (ZS621KL 64GB)
Call control	Voice dialing, Voice recorder	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	HTML, XHTML, HTML5
Antenna	Internal antenna	Internal antenna
Qwerty physical keyboard	Not supported	Not supported
Miscellaneous	• Colors: Black, White, Blue, Coral • 19.5:9 display ratio FHD+ • One UI	• 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)
☢️ Radiation rate
	Galaxy A40 (SM-A405FM/DS)	Asus Zenfone 5Z (ZS621KL 64GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	1.04W/kg (head), 0.37W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	0.49W/kg (head), 1.34W/kg (body)	1.2W/kg (head), 1.477W/kg (body)