Samsung Galaxy Z Flip 5G (SM-F707B) vs Samsung Galaxy A31 (SM-A315G/DS 128GB/4GB)

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Side by side comparison between Samsung Galaxy Z Flip 5G vs Samsung Galaxy A31 phones, differences, pros, cons and full specifications. What's the better?

10/4/2021 3:16 AM, updated: 2/24/2023 6:22 PM

Compare Samsung Galaxy A31 X Samsung Galaxy Z Flip 5G (SM-F707B) 23Points

Specifications Compare Models Pictures

6.7"
AMOLED

1080x2636

12.2
MP

10mp

8GB
RAM

Octa-core

3300
mAh

(Non removable)

07Points Samsung Galaxy A31 (SM-A315G/DS 128GB/4GB) Compare Samsung Galaxy Z Flip 5G X

Specifications Compare Models Pictures

6.4"
AMOLED

1080x2400

48
MP

20mp

4GB
RAM

Octa-core

5000
mAh

(Non removable)

What's the better phone? Samsung Galaxy Z Flip 5G (SM-F707B)

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!

23 Advantages Samsung Galaxy Z Flip 5G (SM-F707B)	vs	7 Advantages Samsung Galaxy A31 (SM-A315G/DS 128GB/4GB)
+3.09GHz 64bit Octa-core (7nm)48% More powerful processor, you can open your applications faster	vs	2GHz 64bit Octa-core (12nm)
+8GB LPDDR4X100% More RAM memory. Typically more responsive and better for multitasking.	vs	4GB LPDDR4X
+256GB (223GB available)114% More internal storage for applications and files	vs	128GB (104GB available)
+UFS 3.0Advantage Fastest write and read storage.	vs	eMMC 5.1
+183 grams (6.41 ounces)1% Lighter	vs	185 grams (6.48 ounces)
+7.2 millimeters (0.28 inches)19% Thinner	vs	8.6 millimeters (0.34 inches)
+Aluminum frame, flexible plastic screen, glass backAdvantage More resistant material	vs	Plastic body, glass front
+HDR10+Advantage The HDR10+ display provides vibrant colors and more details	vs	Not supported
+1080x2636 pixels10% Higher resolution screen	vs	1080x2400 pixels
+425 PPI3% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	411 PPI
+6.7"5% Larger screen	vs	6.4"
+OIS: Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video	vs	EIS: Digital stabilization
+f/1.8 (aperture)11% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.	vs	f/2.0 (aperture)
+4K UHD (3840x2160)3 times More image quality for recording videos with the primary camera	vs	Full HD (1920x1080)
+(front) 4K UHD (3840x2160)3 times More image quality for recording videos with the secondary camera	vs	(front) Full HD (1920x1080)
+Android 13Advantage Android 13 is newer and safer	vs	Android 11
+5G Sub6Advantage The 5G Sub6 network is newer and faster	vs	4G LTE
+(5G Sub6) 2000 Mbps12 times Faster for surfing the internet and download files	vs	(4G LTE) 150 Mbps
+BarometerAdvantage Sensors help you use the device	vs	Not supported
+Proximity sensorAdvantage Sensors help you use the device	vs	Virtual proximity sensor
+Qi wireless chargingAdvantage Wireless charging is another way to charge the battery.	vs	Not supported
+1 slot (Single-SIM) + e-SIM (Eletronic)Advantage You can have more mobile carriers/operators on the same device.	vs	2 slots (Dual-SIM) (dedicated slot)
+802.11 a/b/g/n/ac/ax [wifi6]Advantage WiFi 802.11 a/b/g/n/ac/ax [wifi6] is newer and faster	vs	802.11 a/b/g/n/ac [wifi5]
Not supported	vs	+Until 1TB microSD, microSDXCAdvantage More external storage for files using memory cards
(dual camera) 12.2MP + 12MP	vs	+(quad camera) 48MP + 8MP + 5MP + 5MP173% Higher resolution main camera
1/2.55" inches	vs	+1/2" inches28% The larger sensor camera lets you take photos with better depth.
(front) 10MP	vs	+(front) 20MP98% Higher resolution secondary camera to take pictures and selfies
3300 mAh	vs	+5000 mAh52% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
Type-C reversible connector	vs	+3.5mm jackAdvantage Headsets with 3.5mm Jack size are more common and easy to find in stores
Not supported	vs	+FMAdvantage The radio lets you listen to your songs and sports in general

23 Common items in both devices

Dynamic AMOLED / Super AMOLED

60Hz

16 million

LED flash

Only digital zoom

PDAF: phase detection autofocus

HDR photo on both cameras

+16 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 Z Flip 5G (SM-F707B)	Galaxy A31 (SM-A315G/DS 128GB/4GB)
Change model		Choose the model
Model	Galaxy Z Flip 5G (SM-F707B)	Galaxy A31 (SM-A315G/DS 128GB/4GB)
Other model names	Galaxy Z Flip2 5G (SM-F707B), Galaxy Flip2	Galaxy A31 SM-A315G/Dual-Sim NFC (128GB + 4GB RAM)
Country or region available	(Global, International)	Australia, New Zealand, Singapore
Brand	Samsung	Samsung
Release date	8/7/2020, Announced: 7/22/2020	4/27/2020, Announced: 3/24/2020
Depth	7.2 millimeters (0.28 inches)	8.6 millimeters (0.34 inches)
Size (width x height)	73.6 x 167.3 millimeters (2.9 x 6.59 in)	73.1 x 159.3 millimeters (2.88 x 6.27 in)
Weight	183 grams (6.41 ounces)	185 grams (6.48 ounces)
Build, materials	Aluminum frame, flexible plastic screen, glass back Back: Gorilla Glass 6	Plastic body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	Galaxy Z Flip 5G (SM-F707B)	Galaxy A31 (SM-A315G/DS 128GB/4GB)
Display type	Dynamic AMOLED	Super AMOLED
Screen size	6.7" inches	6.4" inches
Screen-to-body ratio	~82.5% (screen-to-body ratio)	~84.9% (screen-to-body ratio)
Display resolution	1080x2636 pixels	1080x2400 pixels (20:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	425 PPI	411 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Not supported
Refresh rate	60Hz	60Hz
Display features	HDR10+ Always-On Display Extra display: Super AMOLED 1.1" (112x300)	Not supported
🤖 Operating System
	Galaxy Z Flip 5G (SM-F707B)	Galaxy A31 (SM-A315G/DS 128GB/4GB)
System version	Android 10	Android 10
Firmware update	Android 13	Android 11
User Interface	One UI 2.0 / 3.1 / 4.1 / 5.0	One UI 2.5 / 3.1
⚙️ Processor
	Galaxy Z Flip 5G (SM-F707B)	Galaxy A31 (SM-A315G/DS 128GB/4GB)
Chipset	64bit: Qualcomm Snapdragon 865+ (SM8250-AB) (7nm)	64bit: MediaTek Helio P65 (MT6768) (12nm)
CPU	Octa-core, 3 processors: 1x 3.09GHz Kryo 585 (Single-core) 3x 2.42GHz Kryo 585 (Triple-core) 4x 1.8GHz Kryo 585 (Quad-core)	Octa-core, 2 processors: 2x 2GHz ARM Cortex-A75 (Dual-core) 6x 1.7GHz ARM Cortex-A55 (Hexa-core)
GPU graphical controller	Qualcomm Adreno 650 (250-646MHz)	ARM Mali-G52 MC2 (820MHz)
Performance (benchmark)	feature not registered	AnTuTu: 151815 (v8) Geekbench: 5096 (v4.4), 1216 (v5.1) GFXBench: 7fps (ES 3.1 onscreen)
💽 Memory and storage
	Galaxy Z Flip 5G (SM-F707B)	Galaxy A31 (SM-A315G/DS 128GB/4GB)
RAM memory	8GB LPDDR4X	4GB LPDDR4X
Internal storage	256GB (223GB available) UFS 3.0	128GB (104GB available) eMMC 5.1
External storage	Not supported	Until 1TB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Galaxy Z Flip 5G (SM-F707B)	Galaxy A31 (SM-A315G/DS 128GB/4GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card	Dual-SIM Standby - Call active on one sim card (dedicated slot)
SIM card	1 slot (Single-SIM) nano-SIM (4FF) + e-SIM	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	2000/1024 Mbps	150/50 Mbps
Network technology	2G, 3G, 4G, 5G	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 Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 66, 71) TD-LTE (38, 39, 40, 41) VoLTE	LTE Cat4 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 28, 66) TD-LTE (38, 40, 41) VoLTE
Primary 5G network	SA/NSA/Sub6 (1, 41, 77, 78, 79)	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6	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	UMTS 850/900/1700/1900/2100	UMTS 850/900/1700/1900/2100
Secondary 4G network	LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 66, 71) TD-LTE (38, 39, 40, 41) VoLTE	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, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE
📷 Camera
	Galaxy Z Flip 5G (SM-F707B)	Galaxy A31 (SM-A315G/DS 128GB/4GB)
Back camera (main camera)	(dual camera) 12.2 megapixels 12MP ultrawide f/2.2123°1.12µm	(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	4032x3024 pixels	8000x6000 pixels
Video recording (primary)	4K UHD (3840x2160) 60 fps	Full HD (1920x1080) 30 fps
Flash	LED flash	LED flash
Focal aperture	f/1.8 (aperture)	f/2.0 (aperture)
Focal length	27mm lens	26mm lens
Sensor size	1/2.55" inches	1/2" inches
Pixel size	1.4µm pixel	0.8µm pixel
Autofocus	PDAF: phase detection autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	OIS: Optical stabilization	EIS: Digital stabilization
Zoom	Only digital zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Supported	Not supported
HDR	HDR photo on both cameras	HDR photo on both cameras
Camera extras	1080p@240fps 720p@960fps	feature not registered
📸 Front camera
	Galaxy Z Flip 5G (SM-F707B)	Galaxy A31 (SM-A315G/DS 128GB/4GB)
Front camera (secondary)	10 megapixels	20 megapixels
Front camera resolution	3872x2592 pixels	5184x3840 pixels
Video recording (secondary)	4K UHD (3840x2160)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/2.4 (aperture)	f/2.2 (aperture)
Focal length	26mm lens	feature not registered
Sensor size	feature not registered	feature not registered
Pixel size	1.22µm pixel	feature not registered
🔉 Sound and multimedia
	Galaxy Z Flip 5G (SM-F707B)	Galaxy A31 (SM-A315G/DS 128GB/4GB)
Loudspeaker	Mono sound (not stereo) 32-bit/384kHz Tuned by AKG	Mono sound (not stereo)
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	Not supported	FM
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 Z Flip 5G (SM-F707B)	Galaxy A31 (SM-A315G/DS 128GB/4GB)
USB	USB 2.0 Type-C, USB OTG On-The-Go	USB 2.0 Type-C, USB OTG On-The-Go
Audio output	Type-C reversible connector	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/ax [wifi6] (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	Supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Galaxy Z Flip 5G (SM-F707B)	Galaxy A31 (SM-A315G/DS 128GB/4GB)
Sensors	Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (side-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 Z Flip 5G (SM-F707B)	Galaxy A31 (SM-A315G/DS 128GB/4GB)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	3300 mAh	5000 mAh
Charger, watts	15W (9V/1.67A) Wired fast charging	15W Wired fast charging
Inductive / wireless charging	Qi wireless charging	Not supported
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Galaxy Z Flip 5G (SM-F707B)	Galaxy A31 (SM-A315G/DS 128GB/4GB)
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: Mystic Grey, White, Bronze • Samsung Pay	• Colors: Prism Black, Prism Blue, Prism Red, Prism White
☢️ Radiation rate
	Galaxy Z Flip 5G (SM-F707B)	Galaxy A31 (SM-A315G/DS 128GB/4GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	feature not registered
SAR 2W/kg (Europe, UK, etc.)	0.799W/kg (head), 1.451W/kg (body)	0.488W/kg (head), 1.68W/kg (body)