Samsung Galaxy A31 (SM-A315G/DSL) vs Samsung Galaxy A40 (SM-A405FN/DS)

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Side by side comparison between Samsung Galaxy A31 vs Samsung Galaxy A40 phones, differences, pros, cons and full specifications. What's the better?

5/11/2020 10:33 PM, updated: 12/15/2021 7:49 PM

Compare Samsung Galaxy A40 X Samsung Galaxy A31 (SM-A315G/DSL) 07Points

Specifications Compare Models Pictures

6.4"
AMOLED

1080x2400

48
MP

20mp

4GB
RAM

Octa-core

5000
mAh

(Non removable)

10Points Samsung Galaxy A40 (SM-A405FN/DS) Compare Samsung Galaxy A31 X

Specifications Compare Models Pictures

5.9"
AMOLED

1080x2340

16
MP

25mp

4GB
RAM

Octa-core

3100
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!

7 Advantages Samsung Galaxy A31 (SM-A315G/DSL)	vs	10 Advantages Samsung Galaxy A40 (SM-A405FN/DS)
+2GHz 64bit Octa-core (12nm)29% More powerful processor, you can open your applications faster	vs	1.8GHz 64bit Octa-core
+128GB (104GB available)112% More internal storage for applications and files	vs	64GB (49GB available)
+1080x2400 pixels3% Higher resolution screen	vs	1080x2340 pixels
+6.4"8% Larger screen	vs	5.9"
+(quad camera) 48MP + 8MP + 5MP + 5MP2 times Higher resolution main camera	vs	(dual camera) 16MP + 5MP
+Android 11Advantage Android 11 is newer and safer	vs	Android 9.0 Pie
+5000 mAh61% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	3100 mAh
185 grams (6.48 ounces)	vs	+140 grams (4.9 ounces)32% Lighter
8.6 millimeters (0.34 inches)	vs	+7.9 millimeters (0.31 inches)9% Thinner
411 PPI	vs	+437 PPI6% Crisper display of text, images and videos because it has more pixels per inch (ppi)
f/2.0 (aperture)	vs	+f/1.7 (aperture)18% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 20MP	vs	+(front) 25MP25% Higher resolution secondary camera to take pictures and selfies
(4G LTE) 150 Mbps	vs	+(4G LTE-A) 600 Mbps3 times Faster for surfing the internet and download files
Not supported	vs	+ANT+Advantage Sensors help you use the device
Virtual proximity sensor	vs	+Proximity sensorAdvantage Sensors help you use the device
Not supported	vs	+NFCAdvantage NFC allows you to make payments by approach quickly and securely
USB 2.0 Type-C, USB OTG On-The-Go	vs	+USB 3.1 Type-C, USB OTG On-The-GoAdvantage Newer and faster USB version for transferring photos, mp3 or data.

31 Common items in both devices

4GB LPDDR4X

eMMC 5.1

Until 1TB microSD, microSDXC

Plastic body, glass front

Super AMOLED

16 million

LED flash

+24 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 A31 (SM-A315G/DSL)	Galaxy A40 (SM-A405FN/DS)
Change model		Choose the model
Model	Galaxy A31 (SM-A315G/DSL)	Galaxy A40 (SM-A405FN/DS)
Other model names	Galaxy A31 SM-A315GZKKZTO (128GB + 4GB RAM)	Galaxy A40 SM-A405FN/Dual-Sim
Country or region available	(Latin America), Brazil	(Europe), (Global, International)
Brand	Samsung	Samsung
Release date	4/27/2020, Announced: 3/24/2020	4/10/2019
Depth	8.6 millimeters (0.34 inches)	7.9 millimeters (0.31 inches)
Size (width x height)	73.1 x 159.3 millimeters (2.88 x 6.27 in)	69.2 x 144.4 millimeters (2.72 x 5.69 in)
Weight	185 grams (6.48 ounces)	140 grams (4.9 ounces)
Build, materials	Plastic body, glass front	Plastic body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	Galaxy A31 (SM-A315G/DSL)	Galaxy A40 (SM-A405FN/DS)
Display type	Super AMOLED	Super AMOLED
Screen size	6.4" inches	5.9" inches
Screen-to-body ratio	~84.9% (screen-to-body ratio)	~85.5% (screen-to-body ratio)
Display resolution	1080x2400 pixels (20:9)	1080x2340 pixels
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	411 PPI	437 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Not supported
Refresh rate	60Hz	feature not registered
Display features	Not supported	feature not registered
🤖 Operating System
	Galaxy A31 (SM-A315G/DSL)	Galaxy A40 (SM-A405FN/DS)
System version	Android 10	Android 9.0 Pie
Firmware update	Android 11	feature not registered
User Interface	One UI 2.5 / 3.1	feature not registered
⚙️ Processor
	Galaxy A31 (SM-A315G/DSL)	Galaxy A40 (SM-A405FN/DS)
Chipset	64bit: MediaTek Helio P65 (MT6768) (12nm)	64bit: Samsung Exynos 7 Octa 7885 (14nm)
CPU	Octa-core, 2 processors: 2x 2GHz ARM Cortex-A75 (Dual-core) 6x 1.7GHz ARM Cortex-A55 (Hexa-core)	Octa-core, 2 processors: 2x 1.8GHz ARM Cortex-A73 (Dual-core) 6x 1.6GHz ARM Cortex-A53 (Hexa-core)
GPU graphical controller	ARM Mali-G52 MC2 (820MHz)	ARM Mali-G71 MP2
Performance (benchmark)	AnTuTu: 151815 (v8) Geekbench: 5096 (v4.4), 1216 (v5.1) GFXBench: 7fps (ES 3.1 onscreen)	feature not registered
💽 Memory and storage
	Galaxy A31 (SM-A315G/DSL)	Galaxy A40 (SM-A405FN/DS)
RAM memory	4GB LPDDR4X	4GB LPDDR4X
Internal storage	128GB (104GB available) eMMC 5.1	64GB (49GB available) eMMC 5.1
External storage	Until 1TB microSD, microSDXC (dedicated slot)	Until 1TB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Galaxy A31 (SM-A315G/DSL)	Galaxy A40 (SM-A405FN/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	150/50 Mbps	600/150 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 850/900/1700/1900/2100	UMTS 850/900/1900/2100
Primary 4G network	LTE Cat4 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 28, 66) TD-LTE (38, 40, 41) VoLTE	LTE Cat12/13 (Bands 1, 3, 5, 7, 8, 20) TD-LTE (Bands 38, 40, 41)
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE	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	UMTS 850/900/1700/1900/2100	Not supported
Secondary 4G network	LTE Cat4 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 28, 66) TD-LTE (38, 40, 41) VoLTE	Not supported
Secondary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE	GPRS, EDGE
📷 Camera
	Galaxy A31 (SM-A315G/DSL)	Galaxy A40 (SM-A405FN/DS)
Back camera (main camera)	(quad camera) 48 megapixels 8MP ultrawide f/2.2123°1/4"1.12µm 5MP macro f/2.4 5MP depth f/2.4	(dual camera) 16 megapixels 5MP ultrawide f/2.213mmFF
Main camera resolution	8000x6000 pixels	4608x3456 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	Full HD (1920x1080) 30 fps
Flash	LED flash	LED flash
Focal aperture	f/2.0 (aperture)	f/1.7 (aperture)
Focal length	26mm lens	26mm lens
Sensor size	1/2" inches	feature not registered
Pixel size	0.8µm pixel	feature not registered
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 A31 (SM-A315G/DSL)	Galaxy A40 (SM-A405FN/DS)
Front camera (secondary)	20 megapixels	25 megapixels
Front camera resolution	5184x3840 pixels	5760x4320 pixels
Video recording (secondary)	Full HD (1920x1080)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/2.2 (aperture)	f/2.0 (aperture)
Focal length	feature not registered	25mm lens
Sensor size	feature not registered	feature not registered
Pixel size	feature not registered	feature not registered
🔉 Sound and multimedia
	Galaxy A31 (SM-A315G/DSL)	Galaxy A40 (SM-A405FN/DS)
Loudspeaker	Mono sound (not stereo)	Supported
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, XviD, MKV	MP4, H.264, H.263, WMV, MKV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Galaxy A31 (SM-A315G/DSL)	Galaxy A40 (SM-A405FN/DS)
USB	USB 2.0 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	USB Type-C (reversible)	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 A31 (SM-A315G/DSL)	Galaxy A40 (SM-A405FN/DS)
Sensors	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Virtual proximity sensor	Accelerometer Ambient light sensor ANT+ Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy A31 (SM-A315G/DSL)	Galaxy A40 (SM-A405FN/DS)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	5000 mAh	3100 mAh
Charger, watts	15W Wired fast charging	15W Wired fast charging
Inductive / wireless charging	Not supported	feature not registered
Talk time autonomy	feature not registered	18 hours
Standby	feature not registered	feature not registered
➕ Other features
	Galaxy A31 (SM-A315G/DSL)	Galaxy A40 (SM-A405FN/DS)
Call control	Voice dialing, Voice recorder, Voice commands	Voice dialing, Voice recorder
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: Prism Black, Prism Blue, Prism Red, Prism White	• Colors: Black, White, Blue, Coral • 19.5:9 display ratio FHD+ • One UI
☢️ Radiation rate
	Galaxy A31 (SM-A315G/DSL)	Galaxy A40 (SM-A405FN/DS)
SAR 1.6W/kg (USA, Mexico, etc.)	0.53W/kg (head), 0.82W/kg (body)	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered	0.49W/kg (head), 1.34W/kg (body)