Samsung Galaxy A40 (SM-A405FN/DS) vs Samsung Galaxy S8 (SM-G950U)

Share page: Facebook Twitter WhatsApp Share page:

Side by side comparison between Samsung Galaxy A40 vs Samsung Galaxy S8 phones, differences, pros, cons and full specifications. What's the better?

4/30/2019 8:57 PM, updated: 11/3/2021 6:57 AM

Compare Samsung Galaxy S8 X Samsung Galaxy A40 (SM-A405FN/DS) 07Points

Specifications Compare Models Pictures

5.9"
AMOLED

1080x2340

16
MP

25mp

4GB
RAM

Octa-core

3100
mAh

(Non removable)

17Points Samsung Galaxy S8 (SM-G950U) Compare Samsung Galaxy A40 X

Specifications Compare Models Pictures

5.8"
AMOLED

1440x2960

12.2
MP

8mp

4GB
RAM

Octa-core

3000
mAh

(Non removable)

What's the better phone? Samsung Galaxy S8 (SM-G950U)

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!

7 Advantages Samsung Galaxy A40 (SM-A405FN/DS)	vs	17 Advantages Samsung Galaxy S8 (SM-G950U)
+140 grams (4.9 ounces)11% Lighter	vs	155 grams (5.43 ounces)
+7.9 millimeters (0.31 inches)1% Thinner	vs	8 millimeters (0.31 inches)
+5.9"2% Larger screen	vs	5.8"
+(dual camera) 16MP + 5MP72% Higher resolution main camera	vs	(back) 12.2MP
+(front) 25MP2 times Higher resolution secondary camera to take pictures and selfies	vs	(front) 8MP
+3100 mAh3% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	3000 mAh
+2 slots (Dual-SIM) (dedicated slot)Advantage You can have more mobile carriers/operators on the same device.	vs	1 slot (Single-SIM) (dedicated slot)
1.8GHz 64bit Octa-core	vs	+2.35GHz 64bit Octa-core (10nm)56% More powerful processor, you can open your applications faster
eMMC 5.1	vs	+UFS 2.0Advantage Fastest write and read storage.
Plastic body, glass front	vs	+Aluminum frame, glass front/backAdvantage More resistant material
1080x2340 pixels	vs	+1440x2960 pixels69% Higher resolution screen
437 PPI	vs	+568 PPI30% Crisper display of text, images and videos because it has more pixels per inch (ppi)
EIS: Digital stabilization	vs	+OIS: Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video
Not supported	vs	+BSI sensorAdvantage The BSI sensor allows the entry of more light generating photos with more detail and brightness
Full HD (1920x1080)	vs	+4K UHD (3840x2160)3 times More image quality for recording videos with the primary camera
(front) Full HD (1920x1080)	vs	+(front) 2K UHD (2560x1440)78% More image quality for recording videos with the secondary camera
(4G LTE-A) 600 Mbps	vs	+(4G LTE-A) 1024 Mbps71% Faster for surfing the internet and download files
Not supported	vs	+BarometerAdvantage Sensors help you use the device
Not supported	vs	+Heart rateAdvantage Sensors help you use the device
Not supported	vs	+Iris scannerAdvantage Sensors help you use the device
Not supported	vs	+SpO2Advantage Sensors help you use the device
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 5Advantage Protection against scratches on the screen lets you carry your phone with your keys
Not supported	vs	+IP68 certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example

36 Common items in both devices

4GB LPDDR4X / 4GB LPDDR4

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

Until 1TB microSD, microSDXC

Super AMOLED

16 million

LED flash

Only digital zoom

+29 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 S8 (SM-G950U)
Change model		Choose the model
Model	Galaxy A40 (SM-A405FN/DS)	Galaxy S8 (SM-G950U)
Other model names	Galaxy A40 SM-A405FN/Dual-Sim	Galaxy S8 G950U Unlocked (Snapdragon), Samsung Dream
Country or region available	(Europe), (Global, International)	USA
Brand	Samsung	Samsung
Release date	4/10/2019	4/21/2017, Announced: 3/29/2017
Depth	7.9 millimeters (0.31 inches)	8 millimeters (0.31 inches)
Size (width x height)	69.2 x 144.4 millimeters (2.72 x 5.69 in)	68.1 x 148.9 millimeters (2.68 x 5.86 in)
Weight	140 grams (4.9 ounces)	155 grams (5.43 ounces)
Build, materials	Plastic body, glass front	Aluminum frame, glass front/back
Protection against water and others	Not supported	IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant
📲 Display
	Galaxy A40 (SM-A405FN/DS)	Galaxy S8 (SM-G950U)
Display type	Super AMOLED	Super AMOLED
Screen size	5.9" inches	5.8" inches
Screen-to-body ratio	~85.5% (screen-to-body ratio)	~84.2% (screen-to-body ratio)
Display resolution	1080x2340 pixels	1440x2960 pixels (18.5:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch 10-points
Pixel density (dot pitch)	437 PPI	568 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Gorilla Glass 5
Refresh rate	feature not registered	60Hz
Display features	feature not registered	HDR10
🤖 Operating System
	Galaxy A40 (SM-A405FN/DS)	Galaxy S8 (SM-G950U)
System version	Android 9.0 Pie	Android 7.0 Nougat
Firmware update	feature not registered	Android 9.0 Pie
User Interface	feature not registered	feature not registered
⚙️ Processor
	Galaxy A40 (SM-A405FN/DS)	Galaxy S8 (SM-G950U)
Chipset	64bit: Samsung Exynos 7 Octa 7885 (14nm)	64bit: Qualcomm Snapdragon 835 (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 2.35GHz Kryo 280 (Quad-core) 4x 1.9GHz Kryo 280 (Quad-core)
GPU graphical controller	ARM Mali-G71 MP2	Qualcomm Adreno 540 (670-710MHz)
Performance (benchmark)	feature not registered	AnTuTu: 199022 (v7) Geekbench: 6656 (v4.4) GFXBench: 13fps (ES 3.1 onscreen)
💽 Memory and storage
	Galaxy A40 (SM-A405FN/DS)	Galaxy S8 (SM-G950U)
RAM memory	4GB LPDDR4X	4GB LPDDR4
Internal storage	64GB (49GB available) eMMC 5.1	64GB (51GB available) UFS 2.0
External storage	Until 1TB microSD, microSDXC (dedicated slot)	Until 1TB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Galaxy A40 (SM-A405FN/DS)	Galaxy S8 (SM-G950U)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (dedicated slot)	Not supported
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	1 slot (Single-SIM) nano-SIM (4FF)
Maximum Download / Upload	600/150 Mbps	1024/150 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	CDMA 800/1900, GSM 850/900/1800/1900
Primary 3G network	UMTS 850/900/1900/2100	CDMA2000 1xEV-DO 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 Cat16 (1, 2, 3, 4, 5, 7, 8, 12, 20, 28, 29, 30) TD-LTE (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, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G network	GSM 850/900/1800/1900	Not supported
Secondary 3G network	Not supported	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	GPRS, EDGE	Not supported
📷 Camera
	Galaxy A40 (SM-A405FN/DS)	Galaxy S8 (SM-G950U)
Back camera (main camera)	(dual camera) 16 megapixels 5MP ultrawide f/2.213mmFF	12.2 megapixels
Main camera resolution	4608x3456 pixels	4032x3024 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	4K UHD (3840x2160) 30 fps
Flash	LED flash	LED flash
Focal aperture	f/1.7 (aperture)	f/1.7 (aperture)
Focal length	26mm (lens)	26mm (lens)
Sensor size	feature not registered	1/2.55" inches
Pixel size	feature not registered	1.4µm pixel
Autofocus	PDAF: phase detection autofocus	PDAF on back camera and autofocus front camera
Touch focus	Supported	Supported
Image stabilization	EIS: Digital 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/video on both cameras
Camera extras	feature not registered	feature not registered
📸 Front camera
	Galaxy A40 (SM-A405FN/DS)	Galaxy S8 (SM-G950U)
Front camera (secondary)	25 megapixels	8 megapixels
Front camera resolution	5760x4320 pixels	3264x2448 pixels
Video recording (secondary)	Full HD (1920x1080)	2K UHD (2560x1440)
Front flash	Not supported	Not supported
Focal aperture	f/2.0 (aperture)	f/1.7 (aperture)
Focal length	25mm (lens)	25mm (lens)
Sensor size	feature not registered	1/3.6" inches
Pixel size	feature not registered	1.22µm pixel
🔉 Sound and multimedia
	Galaxy A40 (SM-A405FN/DS)	Galaxy S8 (SM-G950U)
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, DivX, XviD
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, eAAC+, FLAC
🔌 Connectivity
	Galaxy A40 (SM-A405FN/DS)	Galaxy S8 (SM-G950U)
USB	USB 3.1 Type-C, USB OTG On-The-Go	USB 3.1 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) + 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, GALILEO, BeiDou
NFC	Supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Galaxy A40 (SM-A405FN/DS)	Galaxy S8 (SM-G950U)
Sensors	Accelerometer Ambient light sensor ANT+ Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor	Accelerometer Ambient light sensor ANT+ Barometer Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Hall effect Heart rate Iris scanner Proximity sensor SpO2
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy A40 (SM-A405FN/DS)	Galaxy S8 (SM-G950U)
Battery type	LiPo: li-ion polymer (Non removable)	Li-Ion: lithium-ion (Non removable)
Battery capacity	3100 mAh	3000 mAh
Charger, watts	15W Wired fast charging	15W (9V/1.67A) Wired fast charging Quick Charge 2
Inductive / wireless charging	feature not registered	Qi wireless charging (Qi/PMA)
Talk time autonomy	18 hours	29 hours (1.2 days)
Standby	feature not registered	326 hours (13.6 days)
➕ Other features
	Galaxy A40 (SM-A405FN/DS)	Galaxy S8 (SM-G950U)
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, Silver, Blue, Gold, Orchid Gray • Samsung DeX (desktop experience) • Curved edge screen • Corning Gorilla Glass 5 back panel • Samsung Gear VR compatible • Samsung Pay • 32bit/192kHz audio
☢️ Radiation rate
	Galaxy A40 (SM-A405FN/DS)	Galaxy S8 (SM-G950U)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	0.75W/kg (head), 0.93W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	0.49W/kg (head), 1.34W/kg (body)	feature not registered