Samsung Galaxy A40 (SM-A405FM/DS) vs Samsung Galaxy A8 Duos (SM-A800YZ)

Share page: Facebook Twitter WhatsApp Share page:

Side by side comparison between Samsung Galaxy A40 vs Samsung Galaxy A8 phones, differences, pros, cons and full specifications. What's the better?

3/21/2020 3:22 PM, updated: 3/22/2020 9:09 PM

Compare Samsung Galaxy A8 X Samsung Galaxy A40 (SM-A405FM/DS) 21Points

Specifications Compare Models Pictures

5.9"
AMOLED

1080x2340

16
MP

25mp

4GB
RAM

Octa-core

3100
mAh

(Non removable)

04Points Samsung Galaxy A8 Duos (SM-A800YZ) Compare Samsung Galaxy A40 X

Specifications Compare Models Pictures

5.7"
AMOLED

1080x1920

16
MP

5mp

2GB
RAM

Octa-core

3050
mAh

(Non removable)

What's the better phone? Samsung Galaxy A40 (SM-A405FM/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!

21 Advantages Samsung Galaxy A40 (SM-A405FM/DS)	vs	4 Advantages Samsung Galaxy A8 Duos (SM-A800YZ)
+1.8GHz 64bit Octa-core42% More powerful processor, you can open your applications faster	vs	1.8GHz 32bit Octa-core
+4GB LPDDR4X100% More RAM memory. Typically more responsive and better for multitasking.	vs	2GB LPDDR3
+64GB (49GB available)96% More internal storage for applications and files	vs	32GB (25GB available)
+eMMC 5.1Advantage Fastest write and read storage.	vs	eMMC 5.0
+Until 1TB microSD, microSDXC7 times More external storage for files using memory cards	vs	Until 128GB microSD, microSDXC
+140 grams (4.9 ounces)8% Lighter	vs	151 grams (5.29 ounces)
+1080x2340 pixels22% Higher resolution screen	vs	1080x1920 pixels
+437 PPI13% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	386 PPI
+5.9"4% Larger screen	vs	5.7"
+(dual camera) 16MP + 5MP31% Higher resolution main camera	vs	(back) 16MP
+HDR photo on both camerasAdvantage The HDR technology produced photos with more detail in dark areas	vs	HDR photo only main camera
+f/1.7 (aperture)12% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.	vs	f/1.9 (aperture)
+(front) 25MP4 times Higher resolution secondary camera to take pictures and selfies	vs	(front) 5MP
+Android 9.0 PieAdvantage Android 9.0 Pie is newer and safer	vs	Android 6.0 Marshmallow
+(4G LTE-A) 600 Mbps3 times Faster for surfing the internet and download files	vs	(4G LTE) 150 Mbps
+Face unlock 2DAdvantage Sensors help you use the device	vs	Not supported
+3100 mAh2% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	3050 mAh
+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)
+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster	vs	4.1 + A2DP
+USB 3.1 Type-C, USB OTG On-The-GoAdvantage Newer and faster USB version for transferring photos, mp3 or data.	vs	MicroUSB 2.0
+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.	vs	MicroUSB 2.0
7.9 millimeters (0.31 inches)	vs	+5.9 millimeters (0.23 inches)34% Thinner
Plastic body, glass front	vs	+Aluminum body, glass front, plastic backAdvantage More resistant material
Not supported	vs	+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
Not supported	vs	+Gorilla Glass 4Advantage Protection against scratches on the screen lets you carry your phone with your keys

29 Common items in both devices

Super AMOLED

16 million

LED flash

Only digital zoom

PDAF: phase detection autofocus / Autofocus

EIS: Digital stabilization

Full HD (1920x1080)

+22 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)	Galaxy A8 Duos (SM-A800YZ)
Change model		Choose the model
Model	Galaxy A40 (SM-A405FM/DS)	Galaxy A8 Duos (SM-A800YZ)
Other model names	Galaxy A40 SM-A405FM/Dual-Sim, SM-A405FZKGSER	Chunghwa Telecom Galaxy A8 SM-A800IZ Dual-Sim
Country or region available	Kazakhstan, Russia	Taiwan
Brand	Samsung	Samsung
Release date	4/10/2019	8/1/2015
Depth	7.9 millimeters (0.31 inches)	5.9 millimeters (0.23 inches)
Size (width x height)	69.2 x 144.4 millimeters (2.72 x 5.69 in)	76.8 x 158 millimeters (3.02 x 6.22 in)
Weight	140 grams (4.9 ounces)	151 grams (5.29 ounces)
Build, materials	Plastic body, glass front	Aluminum body, glass front, plastic back
Protection against water and others	Not supported	Not supported
📲 Display
	Galaxy A40 (SM-A405FM/DS)	Galaxy A8 Duos (SM-A800YZ)
Display type	Super AMOLED	Super AMOLED
Screen size	5.9" inches	5.7" inches
Screen-to-body ratio	~85.5% (screen-to-body ratio)	~73.8% (screen-to-body ratio)
Display resolution	1080x2340 pixels	1080x1920 pixels
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	437 PPI	386 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Gorilla Glass 4
Refresh rate	feature not registered	feature not registered
Display features	feature not registered	feature not registered
🤖 Operating System
	Galaxy A40 (SM-A405FM/DS)	Galaxy A8 Duos (SM-A800YZ)
System version	Android 9.0 Pie	Android 5.1.1 Lollipop
Firmware update	feature not registered	Android 6.0 Marshmallow
User Interface	feature not registered	feature not registered
⚙️ Processor
	Galaxy A40 (SM-A405FM/DS)	Galaxy A8 Duos (SM-A800YZ)
Chipset	64bit: Samsung Exynos 7 Octa 7885 (14nm)	32bit: Samsung Exynos 5 Octa 5430 (28nm)
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 1.8GHz ARM Cortex-A15 (Quad-core) 4x 1.3GHz ARM Cortex-A7 (Quad-core)
GPU graphical controller	ARM Mali-G71 MP2	ARM Mali-T628 MP6 600Mhz
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Galaxy A40 (SM-A405FM/DS)	Galaxy A8 Duos (SM-A800YZ)
RAM memory	4GB LPDDR4X	2GB LPDDR3
Internal storage	64GB (49GB available) eMMC 5.1	32GB (25GB available) eMMC 5.0
External storage	Until 1TB microSD, microSDXC (dedicated slot)	Until 128GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)
📶 Mobile networks
	Galaxy A40 (SM-A405FM/DS)	Galaxy A8 Duos (SM-A800YZ)
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	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 850/900/1900/2100
Primary 4G network	LTE Cat12/13 (Bands 1, 3, 5, 7, 8, 20) TD-LTE (Bands 38, 40, 41)	LTE Cat4 (Bands 3, 8, 28) TD-LTE (Bands 40)
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	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)	Galaxy A8 Duos (SM-A800YZ)
Back camera (main camera)	(dual camera) 16 megapixels 5MP ultrawide f/2.213mmFF	16 megapixels
Main camera resolution	4608x3456 pixels	4608x3456 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/1.9 (aperture)
Focal length	26mm (lens)	31mm (lens)
Sensor size	feature not registered	feature not registered
Pixel size	feature not registered	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	Not supported
HDR	HDR photo on both cameras	HDR photo only main camera
Camera extras	feature not registered	feature not registered
📸 Front camera
	Galaxy A40 (SM-A405FM/DS)	Galaxy A8 Duos (SM-A800YZ)
Front camera (secondary)	25 megapixels	5 megapixels
Front camera resolution	5760x4320 pixels	2592x1944 pixels
Video recording (secondary)	Full HD (1920x1080)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/2.0 (aperture)	f/1.9 (aperture)
Focal length	25mm (lens)	23mm (lens)
Sensor size	feature not registered	feature not registered
Pixel size	feature not registered	feature not registered
🔉 Sound and multimedia
	Galaxy A40 (SM-A405FM/DS)	Galaxy A8 Duos (SM-A800YZ)
Loudspeaker	Supported	Supported
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	FM	FM (RDS)
TV	Not supported	Not supported
Video formats	MP4, H.264, H.263, WMV, MKV	MP4, H.264, H.263, MKV, WMV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Galaxy A40 (SM-A405FM/DS)	Galaxy A8 Duos (SM-A800YZ)
USB	USB 3.1 Type-C, USB OTG On-The-Go	MicroUSB 2.0
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	Not supported
Bluetooth	5.0 + A2DP/LE	4.1 + A2DP
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	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)	Galaxy A8 Duos (SM-A800YZ)
Sensors	Accelerometer Ambient light sensor ANT+ Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor	Accelerometer Ambient light sensor ANT+ Compass Fingerprint sensor (front-mounted) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy A40 (SM-A405FM/DS)	Galaxy A8 Duos (SM-A800YZ)
Battery type	LiPo: li-ion polymer (Non removable)	Li-Ion: lithium-ion (Non removable)
Battery capacity	3100 mAh	3050 mAh
Charger, watts	15W Wired fast charging	Wired charging
Inductive / wireless charging	feature not registered	feature not registered
Talk time autonomy	18 hours	17 hours
Standby	feature not registered	feature not registered
➕ Other features
	Galaxy A40 (SM-A405FM/DS)	Galaxy A8 Duos (SM-A800YZ)
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, Gold • Samsung TouchWiz UX
☢️ Radiation rate
	Galaxy A40 (SM-A405FM/DS)	Galaxy A8 Duos (SM-A800YZ)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	0.91W/kg (head), 1.099W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	0.49W/kg (head), 1.34W/kg (body)	0.317W/kg (head), 0.546W/kg (body)