Samsung Galaxy A40 (SM-A405FN/DS) vs Samsung Galaxy A21s (SM-A217M/DS)

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Side by side comparison between Samsung Galaxy A40 vs Samsung Galaxy A21s phones, differences, pros, cons and full specifications. What's the better?

7/14/2020 10:01 AM, updated: 7/6/2022 7:26 AM

Compare Samsung Galaxy A21s X Samsung Galaxy A40 (SM-A405FN/DS) 12Points

Specifications Compare Models Pictures

5.9"
AMOLED

1080x2340

16
MP

25mp

4GB
RAM

Octa-core

3100
mAh

(Non removable)

05Points Samsung Galaxy A21s (SM-A217M/DS) Compare Samsung Galaxy A40 X

Specifications Compare Models Pictures

6.5"
PLS

720x1600

48
MP

13mp

4GB
RAM

Octa-core

5000
mAh

(Non removable)

What's the better phone? Samsung Galaxy A40 (SM-A405FN/DS)

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!

12 Advantages Samsung Galaxy A40 (SM-A405FN/DS)	vs	5 Advantages Samsung Galaxy A21s (SM-A217M/DS)
+140 grams (4.9 ounces)37% Lighter	vs	192 grams (6.72 ounces)
+7.9 millimeters (0.31 inches)13% Thinner	vs	8.9 millimeters (0.35 inches)
+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid	vs	TFT PLS
+1080x2340 pixels119% Higher resolution screen	vs	720x1600 pixels
+437 PPI62% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	270 PPI
+f/1.7 (aperture)18% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.	vs	f/2.0 (aperture)
+(front) 25MP95% Higher resolution secondary camera to take pictures and selfies	vs	(front) 13MP
+(4G LTE-A) 600 Mbps100% Faster for surfing the internet and download files	vs	(4G LTE-A) 300 Mbps
+Ambient light sensorAdvantage Sensors help you use the device	vs	Virtual ambient light sensor
+ANT+Advantage Sensors help you use the device	vs	Not supported
+NFCAdvantage NFC allows you to make payments by approach quickly and securely	vs	Not supported
+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 reversible connector
1.8GHz 64bit Octa-core	vs	+2GHz 64bit Octa-core (8nm)29% More powerful processor, you can open your applications faster
5.9"	vs	+6.5"10% Larger screen
(dual camera) 16MP + 5MP	vs	+(quad camera) 48MP + 8MP + 2MP + 2MP187% Higher resolution main camera
Android 9.0 Pie	vs	+Android 12Advantage Android 12 is newer and safer
3100 mAh	vs	+5000 mAh61% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use

35 Common items in both devices

4GB LPDDR4X

64GB (49GB available) / 64GB (48GB available)

eMMC 5.1

Until 1TB microSD, microSDXC / Until 512GB microSD, microSDXC

Plastic body, glass front

16 million

LED flash

+28 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-A405FN/DS)	Galaxy A21s (SM-A217M/DS)
Change model		Choose the model
Model	Galaxy A40 (SM-A405FN/DS)	Galaxy A21s (SM-A217M/DS)
Other model names	Galaxy A40 SM-A405FN/Dual-Sim	Galaxy A21s SM-A217M/Dual-Sim (64GB + 4GB RAM)
Country or region available	(Europe), (Global, International)	(Latin America), Brazil, Chile, Colombia
Brand	Samsung	Samsung
Release date	4/10/2019	6/2/2020, Announced: 5/15/2020
Depth	7.9 millimeters (0.31 inches)	8.9 millimeters (0.35 inches)
Size (width x height)	69.2 x 144.4 millimeters (2.72 x 5.69 in)	75.3 x 163.7 millimeters (2.96 x 6.44 in)
Weight	140 grams (4.9 ounces)	192 grams (6.72 ounces)
Build, materials	Plastic body, glass front	Plastic body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	Galaxy A40 (SM-A405FN/DS)	Galaxy A21s (SM-A217M/DS)
Display type	Super AMOLED	TFT PLS
Screen size	5.9" inches	6.5" inches
Screen-to-body ratio	~85.5% (screen-to-body ratio)	~82.8% (screen-to-body ratio)
Display resolution	1080x2340 pixels	720x1600 pixels (20:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	437 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
	Galaxy A40 (SM-A405FN/DS)	Galaxy A21s (SM-A217M/DS)
System version	Android 9.0 Pie	Android 10
Firmware update	feature not registered	Android 12
User Interface	feature not registered	One UI 2.0 / 3.1 / 4.1
⚙️ Processor
	Galaxy A40 (SM-A405FN/DS)	Galaxy A21s (SM-A217M/DS)
Chipset	64bit: Samsung Exynos 7 Octa 7885 (14nm)	64bit: Samsung Exynos 850 (8nm)
CPU	Octa-core, 2 processors: 2x 1.8GHz ARM Cortex-A73 (Dual-core) 6x 1.6GHz ARM Cortex-A53 (Hexa-core)	Octa-core, 1 processor: 8x 2GHz ARM Cortex-A55 (Octa-core)
GPU graphical controller	ARM Mali-G71 MP2	ARM Mali-G52 MP1
Performance (benchmark)	feature not registered	AnTuTu: 124232 (v8)
💽 Memory and storage
	Galaxy A40 (SM-A405FN/DS)	Galaxy A21s (SM-A217M/DS)
RAM memory	4GB LPDDR4X	4GB LPDDR4X
Internal storage	64GB (49GB available) eMMC 5.1	64GB (48GB available) eMMC 5.1
External storage	Until 1TB microSD, microSDXC (dedicated slot)	Until 512GB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Galaxy A40 (SM-A405FN/DS)	Galaxy A21s (SM-A217M/DS)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (dedicated 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	600/150 Mbps	300/150 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 850/900/1900/2100	UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat12/13 (Bands 1, 3, 5, 7, 8, 20) TD-LTE (Bands 38, 40, 41)	LTE Cat7/13 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 66) TD-LTE (38, 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	UMTS 850/900/1700/1900/2100
Secondary 4G network	Not supported	LTE Cat7/13 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 66) TD-LTE (38, 40, 41)
Secondary data network	GPRS, EDGE	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
📷 Camera
	Galaxy A40 (SM-A405FN/DS)	Galaxy A21s (SM-A217M/DS)
Back camera (main camera)	(dual camera) 16 megapixels 5MP ultrawide f/2.213mmFF	(quad camera) 48 megapixels 8MP ultrawide f/2.21/4"1.12µm123° 2MP macro f/2.4 2MP depth f/2.4
Main camera resolution	4608x3456 pixels	8000x6000 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	Full HD (1920x1080) 30 fps
Flash	LED flash	LED flash
Focal aperture	f/1.7 (aperture)	f/2.0 (aperture)
Focal length	26mm (lens)	26mm (lens)
Sensor size	feature not registered	1/2" inches
Pixel size	feature not registered	0.8µm pixel
Autofocus	PDAF: phase detection 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, 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-A405FN/DS)	Galaxy A21s (SM-A217M/DS)
Front camera (secondary)	25 megapixels	13 megapixels
Front camera resolution	5760x4320 pixels	4128x3096 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	25mm (lens)	feature not registered
Sensor size	feature not registered	1/3.1" inches
Pixel size	feature not registered	1.12µm pixel
🔉 Sound and multimedia
	Galaxy A40 (SM-A405FN/DS)	Galaxy A21s (SM-A217M/DS)
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, WMV, MKV	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Galaxy A40 (SM-A405FN/DS)	Galaxy A21s (SM-A217M/DS)
USB	USB 3.1 Type-C, 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) + MIMO WiFi Direct, hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Supported	Not supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Galaxy A40 (SM-A405FN/DS)	Galaxy A21s (SM-A217M/DS)
Sensors	Accelerometer Ambient light sensor ANT+ Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor	Accelerometer Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor Virtual ambient light sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy A40 (SM-A405FN/DS)	Galaxy A21s (SM-A217M/DS)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	3100 mAh	5000 mAh
Charger, watts	15W Wired fast charging	15W (9V/1.67A) Wired fast charging
Inductive / wireless charging	feature not registered	Not supported
Talk time autonomy	18 hours	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Galaxy A40 (SM-A405FN/DS)	Galaxy A21s (SM-A217M/DS)
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, White, Blue, Coral • 19.5:9 display ratio FHD+ • One UI	• Colors: Black, White, Blue, Red
☢️ Radiation rate
	Galaxy A40 (SM-A405FN/DS)	Galaxy A21s (SM-A217M/DS)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	0.54W/kg (head), 1.14W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	0.49W/kg (head), 1.34W/kg (body)	feature not registered