Samsung Galaxy M31 (SM-M315F/DS 128GB/6GB) vs Samsung Galaxy A8s (SM-G8870 128GB/6GB)

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Side by side comparison between Samsung Galaxy M31 vs Samsung Galaxy A8s phones, differences, pros, cons and full specifications. What's the better?

4/12/2020 2:26 PM, updated: 11/23/2021 8:19 AM

Compare Samsung Galaxy A8s X Samsung Galaxy M31 (SM-M315F/DS 128GB/6GB) 10Points

Specifications Compare Models Pictures

6.4"
AMOLED

1080x2340

64
MP

32mp

6GB
RAM

Octa-core

6000
mAh

(Non removable)

11Points Samsung Galaxy A8s (SM-G8870 128GB/6GB) Compare Samsung Galaxy M31 X

Specifications Compare Models Pictures

6.4"
PLS

1080x2340

24
MP

24mp

6GB
RAM

Octa-core

3400
mAh

(Non removable)

What's the better phone? Samsung Galaxy A8s (SM-G8870 128GB/6GB)

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 M31 (SM-M315F/DS 128GB/6GB)	vs	11 Advantages Samsung Galaxy A8s (SM-G8870 128GB/6GB)
+UFS 2.1Advantage Fastest write and read storage.	vs	eMMC 5.1
+Until 1TB microSD, microSDXCAdvantage More external storage for files using memory cards	vs	Not supported
+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid	vs	TFT PLS
+(quad camera) 64MP + 8MP + 5MP + 5MP111% Higher resolution main camera	vs	(triple camera) 24MP + 10MP + 5MP
+1/1.72" inches63% The larger sensor camera lets you take photos with better depth.	vs	1/2.8" inches
+(front) 32MP34% Higher resolution secondary camera to take pictures and selfies	vs	(front) 24MP
+(front) 4K UHD (3840x2160)3 times More image quality for recording videos with the secondary camera	vs	(front) Full HD (1920x1080)
+Android 11Advantage Android 11 is newer and safer	vs	Android 10
+6000 mAh76% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	3400 mAh
+FM (RDS)Advantage The radio lets you listen to your songs and sports in general	vs	Not supported
2.3GHz 64bit Octa-core (10nm)	vs	+2.2GHz 64bit Octa-core9% More powerful processor, you can open your applications faster
191 grams (6.69 ounces)	vs	+173 grams (6.06 ounces)10% Lighter
8.9 millimeters (0.35 inches)	vs	+7.4 millimeters (0.29 inches)20% Thinner
Plastic body, glass front	vs	+Aluminum frame, glass front/backAdvantage More resistant material
Only digital zoom	vs	+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures
f/1.8 (aperture)	vs	+f/1.7 (aperture)6% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(4G LTE-A) 600 Mbps	vs	+(4G LTE-A) 800 Mbps33% Faster for surfing the internet and download files
Not supported	vs	+ANT+Advantage Sensors help you use the device
Not supported	vs	+Proximity sensorAdvantage Sensors help you use the device
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	+NFCAdvantage NFC allows you to make payments by approach quickly and securely

29 Common items in both devices

6GB LPDDR4X

128GB (108GB available) / 128GB (109GB available)

16 million

1080x2340 pixels

403 PPI

6.4"

LED flash

+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 M31 (SM-M315F/DS 128GB/6GB)	Galaxy A8s (SM-G8870 128GB/6GB)
Change model		Choose the model
Model	Galaxy M31 (SM-M315F/DS 128GB/6GB)	Galaxy A8s (SM-G8870 128GB/6GB)
Other model names	Galaxy M315F/Dual-Sim (128GB + 6GB RAM)	Galaxy A8S (128GB+6GB RAM) SM-G8870ZKDCHC
Country or region available	(Latin America), (Global, International), Philippines, India, Indonesia, Malaysia	China, Hong Kong
Brand	Samsung	Samsung
Release date	3/5/2020, Announced: 2/25/2020	12/1/2018
Depth	8.9 millimeters (0.35 inches)	7.4 millimeters (0.29 inches)
Size (width x height)	75.1 x 159.2 millimeters (2.96 x 6.27 in)	74.9 x 158.4 millimeters (2.95 x 6.24 in)
Weight	191 grams (6.69 ounces)	173 grams (6.06 ounces)
Build, materials	Plastic body, glass front	Aluminum frame, glass front/back
Protection against water and others	Not supported	Not supported
📲 Display
	Galaxy M31 (SM-M315F/DS 128GB/6GB)	Galaxy A8s (SM-G8870 128GB/6GB)
Display type	Super AMOLED	TFT PLS
Screen size	6.4" inches	6.4" inches
Screen-to-body ratio	~84.1% (screen-to-body ratio)	~84.7% (screen-to-body ratio)
Display resolution	1080x2340 pixels (19.5:9)	1080x2340 pixels
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	403 PPI	403 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 3	Gorilla Glass 3
Refresh rate	60Hz	feature not registered
Display features	420nits[peak]	feature not registered
🤖 Operating System
	Galaxy M31 (SM-M315F/DS 128GB/6GB)	Galaxy A8s (SM-G8870 128GB/6GB)
System version	Android 10	Android 9.0 Pie
Firmware update	Android 11	Android 10
User Interface	feature not registered	One UI
⚙️ Processor
	Galaxy M31 (SM-M315F/DS 128GB/6GB)	Galaxy A8s (SM-G8870 128GB/6GB)
Chipset	64bit: Samsung Exynos 9611 (10nm)	64bit: Qualcomm Snapdragon 710 SDM710 (10nm)
CPU	Octa-core, 2 processors: 4x 2.3GHz ARM Cortex-A73 (Quad-core) 4x 1.7GHz ARM Cortex-A53 (Quad-core)	Octa-core, 2 processors: 2x 2.2GHz Kryo 360 Gold (Dual-core) 6x 1.7GHz Kryo 360 Silver (Hexa-core)
GPU graphical controller	ARM Mali-G72 MP3 (850MHz)	Qualcomm Adreno 616 500Mhz
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Galaxy M31 (SM-M315F/DS 128GB/6GB)	Galaxy A8s (SM-G8870 128GB/6GB)
RAM memory	6GB LPDDR4X	6GB LPDDR4X
Internal storage	128GB (108GB available) UFS 2.1	128GB (109GB available) eMMC 5.1
External storage	Until 1TB microSD, microSDXC (dedicated slot)	Not supported
📶 Mobile networks
	Galaxy M31 (SM-M315F/DS 128GB/6GB)	Galaxy A8s (SM-G8870 128GB/6GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (dedicated slot)	Dual-SIM Standby - Call active on one sim card
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	600/150 Mbps	800/150 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, GSM 850/900/1800/1900
Primary 3G network	UMTS 850/900/1700/1900/2100	CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100
Primary 4G network	LTE Cat12/13 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE	LTE Cat15/13 (1, 3, 4, 5, 7, 8, 12, 17) TD-LTE (34, 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, TD-SCDMA, UMTS, TD-HSDPA, 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 850/900/1900/2100
Secondary 4G network	Not supported	Not supported
Secondary data network	GPRS, EDGE	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+
📷 Camera
	Galaxy M31 (SM-M315F/DS 128GB/6GB)	Galaxy A8s (SM-G8870 128GB/6GB)
Back camera (main camera)	(quad camera) 64 megapixels 8MP ultrawide f/2.212mm1/4.0"1.12µm 5MP macro f/2.425mm1/5.0"1.12µm 5MP depth f/2.2	(triple camera) 24 megapixels 10MP telephoto f/2.452mm1/3.9"1.0µmAF2x-optical-zoom 5MP depth f/2.2
Main camera resolution	10120x6328 pixels	5632x4224 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	4K UHD (3840x2160) 30 fps
Flash	LED flash	LED flash
Focal aperture	f/1.8 (aperture)	f/1.7 (aperture)
Focal length	26mm lens	27mm lens
Sensor size	1/1.72" inches	1/2.8" inches
Pixel size	0.8µm pixel	0.9µm 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	Digital and optical 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	1080p@240fps
📸 Front camera
	Galaxy M31 (SM-M315F/DS 128GB/6GB)	Galaxy A8s (SM-G8870 128GB/6GB)
Front camera (secondary)	32 megapixels	24 megapixels
Front camera resolution	6528x4896 pixels	5632x4224 pixels
Video recording (secondary)	4K UHD (3840x2160)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/2.0 (aperture)	f/2.0 (aperture)
Focal length	26mm lens	26mm lens
Sensor size	1/2.8" inches	1/2.8" inches
Pixel size	0.8µm pixel	0.9µm pixel
🔉 Sound and multimedia
	Galaxy M31 (SM-M315F/DS 128GB/6GB)	Galaxy A8s (SM-G8870 128GB/6GB)
Loudspeaker	Supported	Stereo sound
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	FM (RDS)	Not supported
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, XviD, MKV	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Galaxy M31 (SM-M315F/DS 128GB/6GB)	Galaxy A8s (SM-G8870 128GB/6GB)
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	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	Not supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Galaxy M31 (SM-M315F/DS 128GB/6GB)	Galaxy A8s (SM-G8870 128GB/6GB)
Sensors	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope	Accelerometer Ambient light sensor ANT+ Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy M31 (SM-M315F/DS 128GB/6GB)	Galaxy A8s (SM-G8870 128GB/6GB)
Battery type	LiPo: li-ion polymer (Non removable)	Li-Ion: lithium-ion (Non removable)
Battery capacity	6000 mAh	3400 mAh
Charger, watts	15W Wired fast charging	18W Wired fast charging
Inductive / wireless charging	Not supported	Not supported
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Galaxy M31 (SM-M315F/DS 128GB/6GB)	Galaxy A8s (SM-G8870 128GB/6GB)
Call control	Voice dialing, Voice recorder, Voice commands	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: Ocean Blue, Space Black, Red • One UI 2.0, 3.1	• Colors: Black, Gradient Black, Blue, Pink-Blue, Yellow-Pink • Samsung Pay
☢️ Radiation rate
	Galaxy M31 (SM-M315F/DS 128GB/6GB)	Galaxy A8s (SM-G8870 128GB/6GB)
SAR 1.6W/kg (USA, Mexico, etc.)	0.52W/kg (head), 0.69W/kg (body)	feature not registered
SAR 2W/kg (Europe, UK, etc.)	0.482W/kg (head), 1.127W/kg (body)	0.24W/kg (head), 1.168W/kg (body)