Samsung Galaxy A8+ 2018 (SM-A730F/DS 64GB/4GB) vs Samsung Galaxy A31 (SM-A315G/DS 128GB/6GB)

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Side by side comparison between Samsung Galaxy A8+ (2018) vs Samsung Galaxy A31 phones, differences, pros, cons and full specifications. What's the better?

5/12/2020 10:08 AM, updated: 12/15/2021 7:49 PM

Compare Samsung Galaxy A31 X Samsung Galaxy A8+ 2018 (SM-A730F/DS 64GB/4GB) 10Points

Specifications Compare Models Pictures

6"
AMOLED

1080x2220

16
MP

16mp

4GB
RAM

Octa-core

3500
mAh

(Non removable)

10Points Samsung Galaxy A31 (SM-A315G/DS 128GB/6GB) Compare Samsung Galaxy A8+ (2018) X

Specifications Compare Models Pictures

6.4"
AMOLED

1080x2400

48
MP

20mp

6GB
RAM

Octa-core

5000
mAh

(Non removable)

What's the better phone? Samsung Galaxy A31 (SM-A315G/DS 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 A8+ 2018 (SM-A730F/DS 64GB/4GB)	vs	10 Advantages Samsung Galaxy A31 (SM-A315G/DS 128GB/6GB)
+8.3 millimeters (0.33 inches)4% Thinner	vs	8.6 millimeters (0.34 inches)
+Aluminum frame, glass front/backAdvantage More resistant material	vs	Plastic body, glass front
+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)
+(dual front camera) 16MP + 8MP20% Higher resolution secondary camera to take pictures and selfies	vs	(front) 20MP
+(4G LTE-A) 600 Mbps3 times Faster for surfing the internet and download files	vs	(4G LTE) 150 Mbps
+ANT+Advantage Sensors help you use the device	vs	Not supported
+BarometerAdvantage Sensors help you use the device	vs	Not supported
+Proximity sensorAdvantage Sensors help you use the device	vs	Virtual proximity sensor
+Gorilla Glass 4Advantage Protection against scratches on the screen lets you carry your phone with your keys	vs	Not supported
+IP68 certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example	vs	Not supported
2.2GHz 64bit Octa-core	vs	+2GHz 64bit Octa-core (12nm)15% More powerful processor, you can open your applications faster
4GB LPDDR4	vs	+6GB LPDDR4X50% More RAM memory. Typically more responsive and better for multitasking.
64GB (51GB available)	vs	+128GB (104GB available)104% More internal storage for applications and files
191 grams (6.69 ounces)	vs	+185 grams (6.48 ounces)3% Lighter
1080x2220 pixels	vs	+1080x2400 pixels8% Higher resolution screen
6"	vs	+6.4"7% Larger screen
(back) 16MP	vs	+(quad camera) 48MP + 8MP + 5MP + 5MP3 times Higher resolution main camera
1/2.8" inches	vs	+1/2" inches40% The larger sensor camera lets you take photos with better depth.
Android 9.0 Pie	vs	+Android 11Advantage Android 11 is newer and safer
3500 mAh	vs	+5000 mAh43% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use

36 Common items in both devices

eMMC 5.1

Until 1TB microSD, microSDXC

Super AMOLED

60Hz

16 million

411 PPI

LED flash

+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 A8+ 2018 (SM-A730F/DS 64GB/4GB)	Galaxy A31 (SM-A315G/DS 128GB/6GB)
Change model		Choose the model
Model	Galaxy A8+ 2018 (SM-A730F/DS 64GB/4GB)	Galaxy A31 (SM-A315G/DS 128GB/6GB)
Other model names	Galaxy A8 Plus SM-A730F/Dual-Sim (4GB RAM)	Galaxy A31 SM-A315G/Dual-Sim NFC (128GB + 6GB RAM)
Country or region available	(Global, International), Brazil	Philippines, Hong Kong, Indonesia, Malaysia, Thailand, Taiwan, Vietnam
Brand	Samsung	Samsung
Release date	1/6/2018	4/27/2020, Announced: 3/24/2020
Depth	8.3 millimeters (0.33 inches)	8.6 millimeters (0.34 inches)
Size (width x height)	75.7 x 159.9 millimeters (2.98 x 6.3 in)	73.1 x 159.3 millimeters (2.88 x 6.27 in)
Weight	191 grams (6.69 ounces)	185 grams (6.48 ounces)
Build, materials	Aluminum frame, glass front/back	Plastic body, glass front
Protection against water and others	IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant	Not supported
📲 Display
	Galaxy A8+ 2018 (SM-A730F/DS 64GB/4GB)	Galaxy A31 (SM-A315G/DS 128GB/6GB)
Display type	Super AMOLED	Super AMOLED
Screen size	6" inches	6.4" inches
Screen-to-body ratio	~75.5% (screen-to-body ratio)	~84.9% (screen-to-body ratio)
Display resolution	1080x2220 pixels (18.5:9)	1080x2400 pixels (20:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	411 PPI	411 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 4	Not supported
Refresh rate	60Hz	60Hz
Display features	Not supported	Not supported
🤖 Operating System
	Galaxy A8+ 2018 (SM-A730F/DS 64GB/4GB)	Galaxy A31 (SM-A315G/DS 128GB/6GB)
System version	Android 7.1.1 Nougat	Android 10
Firmware update	Android 9.0 Pie	Android 11
User Interface	feature not registered	One UI 2.5 / 3.1
⚙️ Processor
	Galaxy A8+ 2018 (SM-A730F/DS 64GB/4GB)	Galaxy A31 (SM-A315G/DS 128GB/6GB)
Chipset	64bit: Samsung Exynos 7 Octa 7885 (14nm)	64bit: MediaTek Helio P65 (MT6768) (12nm)
CPU	Octa-core, 2 processors: 2x 2.2GHz ARM Cortex-A73 (Dual-core) 6x 1.6GHz ARM Cortex-A53 (Hexa-core)	Octa-core, 2 processors: 2x 2GHz ARM Cortex-A75 (Dual-core) 6x 1.7GHz ARM Cortex-A55 (Hexa-core)
GPU graphical controller	ARM Mali-G71 MP2	ARM Mali-G52 MC2 (820MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Galaxy A8+ 2018 (SM-A730F/DS 64GB/4GB)	Galaxy A31 (SM-A315G/DS 128GB/6GB)
RAM memory	4GB LPDDR4	6GB LPDDR4X
Internal storage	64GB (51GB available) eMMC 5.1	128GB (104GB available) eMMC 5.1
External storage	Until 1TB microSD, microSDXC (dedicated slot)	Until 1TB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Galaxy A8+ 2018 (SM-A730F/DS 64GB/4GB)	Galaxy A31 (SM-A315G/DS 128GB/6GB)
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	600/75 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 850/900/1700/1900/2100	UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat11 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 66) TD-LTE (38, 40, 41)	LTE Cat4 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 28, 66) TD-LTE (38, 40, 41) VoLTE
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	UMTS 850/900/1700/1900/2100
Secondary 4G network	Not supported	LTE Cat4 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 28, 66) TD-LTE (38, 40, 41) VoLTE
Secondary data network	GPRS, EDGE	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE
📷 Camera
	Galaxy A8+ 2018 (SM-A730F/DS 64GB/4GB)	Galaxy A31 (SM-A315G/DS 128GB/6GB)
Back camera (main camera)	16 megapixels	(quad camera) 48 megapixels 8MP ultrawide f/2.2123°1/4"1.12µm 5MP macro f/2.4 5MP 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	1/2.8" inches	1/2" inches
Pixel size	1.12µm pixel	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 A8+ 2018 (SM-A730F/DS 64GB/4GB)	Galaxy A31 (SM-A315G/DS 128GB/6GB)
Front camera (secondary)	(dual front camera) 16 megapixels 8MP wide f/1.91/4"1.12µm24mm	20 megapixels
Front camera resolution	4608x3456 pixels	5184x3840 pixels
Video recording (secondary)	Full HD (1920x1080)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/1.9 (aperture)	f/2.2 (aperture)
Focal length	27mm (lens)	feature not registered
Sensor size	1/3.1" inches	feature not registered
Pixel size	1µm pixel	feature not registered
🔉 Sound and multimedia
	Galaxy A8+ 2018 (SM-A730F/DS 64GB/4GB)	Galaxy A31 (SM-A315G/DS 128GB/6GB)
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.265, H.264, H.263, MKV, WMV	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, OGG, eAAC+, WMA, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Galaxy A8+ 2018 (SM-A730F/DS 64GB/4GB)	Galaxy A31 (SM-A315G/DS 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	USB Type-C (reversible)	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	Not supported
GPS	A-GPS, GeoTagging, GLONASS, BeiDou	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Galaxy A8+ 2018 (SM-A730F/DS 64GB/4GB)	Galaxy A31 (SM-A315G/DS 128GB/6GB)
Sensors	Accelerometer Ambient light sensor ANT+ Barometer Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Virtual proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy A8+ 2018 (SM-A730F/DS 64GB/4GB)	Galaxy A31 (SM-A315G/DS 128GB/6GB)
Battery type	Li-Ion: lithium-ion (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	3500 mAh	5000 mAh
Charger, watts	Wired charging	15W Wired fast charging
Inductive / wireless charging	Not supported	Not supported
Talk time autonomy	23 hours	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Galaxy A8+ 2018 (SM-A730F/DS 64GB/4GB)	Galaxy A31 (SM-A315G/DS 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: Black, Gray, Gold, Blue • Samsung DeX (desktop experience) • Samsung Pay • Always-on display • 24-bit/192kHz audio	• Colors: Prism Black, Prism Blue, Prism Red, Prism White
☢️ Radiation rate
	Galaxy A8+ 2018 (SM-A730F/DS 64GB/4GB)	Galaxy A31 (SM-A315G/DS 128GB/6GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	feature not registered
SAR 2W/kg (Europe, UK, etc.)	0.32W/kg (head), 1.3W/kg (body)	0.488W/kg (head), 1.68W/kg (body)