Samsung Galaxy Z Flip vs. Samsung Galaxy A21s

Phone Comparison, Reviews and Tests

Detailed comparison and review of Samsung Galaxy Z Flip and Samsung Galaxy A21s. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.

Phone Specifications Comparison

Samsung Galaxy Z Flip vs. Samsung Galaxy A21s Comparison Chart
DESIGN AND DIMENSIONS Samsung Galaxy Z Flip Samsung Galaxy A21s
Product Type Smartphone Smartphone
Manufacturer Model Number SM-F700F/DS SM-A217F/DSN
Form Factor Folder (flip) - touch screen, dual screen Touch
Height 167.3 mm 163.7 mm Samsung Galaxy Z Flip has greater height than Samsung Galaxy A21s.
Width 73.6 mm 75.3 mm Samsung Galaxy A21s has greater width than Samsung Galaxy Z Flip.
Depth 6.9 mm 8.9 mm Samsung Galaxy Z Flip is narrower than Samsung Galaxy Z Flip.
Weight 183 g 192 g Samsung Galaxy Z Flip is lighter than Samsung Galaxy Z Flip.
Dimensions Details Unfolded - 73.6 mm x 6.9 mm x 167.3 mm
Folded - 73.6 mm x 15.4 mm x 87.4 mm
-
Body Colour Grey | Mirror black | Mirror purple White | Blue | Black
Waterproof (Water-resistant) - -
SAR Value 0.369 W/kg (head), 1.546 W/kg (body) 1.544 W/kg (body), 0.422 W/kg (head), 2.21 W/kg (limb)
Connector Type USB Type-C - 24 pin USB-C USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
SIM Card Type (Size) Nano SIM, Electronic SIM card (e-SIM) Nano SIM
SIM Card Qty Dual-SIM Dual-SIM
DISPLAY Samsung Galaxy Z Flip Samsung Galaxy A21s
Display Type OLED display LCD display
Display Technology Infinity Flex Dynamic AMOLED PLS TFT
Screen Size (Display Size) 6.7" 6.5" Samsung Galaxy Z Flip has larger screen size than Samsung Galaxy A21s.
Screen Resolution (Display Resolution) 2636 x 1080 pixels 1600 x 720 pixels Samsung Galaxy Z Flip has better screen resolution than Samsung Galaxy A21s.
Display Format Full HD+ HD+
Pixel Density 425 ppi -
Aspect Ratio 21.9:9 20:9
Colour Depth 16.7 million colours 16.7 million colours Both phones have the same color depth.
Display Features Always-on display, Edge Screen, Edge Lighting, Video Wallpaper Infinity O display
Display Protection (Screen Protector) Samsung Ultra Thin Glass -
SECOND DISPLAY
Second Display Type OLED display - colour -
Second Display Screen Size 1.05" -
Second Display Resolution 300 x 112 pixels -
Second Display Colour Depth 16.7 million colours -
PROCESSOR Samsung Galaxy Z Flip Samsung Galaxy A21s
Clock Speed 2.9 GHz 2 GHz Samsung Galaxy Z Flip has higher clock speed than Samsung Galaxy A21s.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture Yes - Samsung Galaxy Z Flip has 64-bit architecture.
MEMORY Samsung Galaxy Z Flip Samsung Galaxy A21s
RAM 8 GB 3 GB Samsung Galaxy Z Flip has more RAM than Samsung Galaxy A21s.
Internal Memory Size (Storage Capacity) 256 GB 32 GB Samsung Galaxy Z Flip has more internal memory than Samsung Galaxy A21s.
User Memory 223.3 GB 19.5 GB
Supported Flash Memory Cards (Expandable Memory) - microSDHC, microSDXC - up to 512 GB
CAMERA Samsung Galaxy Z Flip Samsung Galaxy A21s
MAIN CAMERA
Number of Main Cameras 2 4
Sensor Resolution 12 Megapixel 48 Megapixel Samsung Galaxy A21s has better camera resolution than Samsung Galaxy Z Flip.
Lens Type Wide-angle lens Wide-angle lens
Lens Aperture F/1.8 F/2.0 Samsung Galaxy Z Flip has better lens aperture than Samsung Galaxy Z Flip.
Field of View (FoV) 78 degree(s) 80 degree(s) Samsung Galaxy A21s has larger lens field of view than Samsung Galaxy Z Flip.
Pixel Size 1.4 μm -
Optical Image Stabiliser (OIS) Optical Image Stabiliser (OIS) - Samsung Galaxy Z Flip has optical stabilisation.
Focus Adjustment Automatic, manual Automatic
Digital Zoom 8x 8x Both phones have the same digital zoom.
Self-Timer Delay Yes -
Special Effects HDR, Grid Line -
Camera Modes Slow motion video, Panorama, Pro mode, HYPERLAPSE, Live Focus mode, Super Slow-mo, AR Emoji, Flowers, Greenery, Trees, Sky, Mountains, Beaches, Watersides, Snow, Backlit, Text, Motion Photos, Food, Face, Baby, Person, Dog, Cat, People, Sunset, Sunrise, City, Waterfall, Scenery, Stage, Vehicles, Drinks, Animal, Shoes, Indoor, Clothes, Night view, Live focus video, Filter mode Live Focus mode
Light Source High CRI LED flash LED flash
Video Resolutions 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 60 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps, Slo-mo video 1280 x 720 (720p) at 960 fps 1920 x 1080 (1080p) at 30 fps
Camera Features (Functions) Quick Launch, Playback zoom, blink detection, VDIS (Video Digital Image Stabilisation), Tracking AF, Video location tags, location tags, Hyperlapse video support 1080p, Scene Optimiser, Flaw detection, 9.1MP still photos recording 4K video, Shot suggestions, blur detection, HDR10+ recording, Floating shutter button, Super steady, Super Speed Dual Pixel AF, AR Doodle Live Focus
SECOND CAMERA
Sensor Resolution (2nd Camera) 12 Megapixel 8 Megapixel Samsung Galaxy Z Flip has better second camera resolution than Samsung Galaxy A21s.
Lens Type (2nd Camera) Ultra wide-angle lens Ultra wide-angle lens
Lens Aperture (2nd Camera) F/2.2 F/2.2 Both phones have the same second camera lens aperture.
Field of View (2nd Camera) 123 degree(s) 123 degree(s) Both phones have the same second camera lens field of view.
THIRD CAMERA
Sensor Resolution (3rd Camera) - 2 Megapixel
Lens Aperture (3rd Camera) - F/2.4
Camera Functions (3rd Camera) - Macro camera
Camera Features (3rd Camera) - 4cm macro photography
FOURTH CAMERA
Sensor Resolution (4th Camera) - 2 Megapixel
Lens Aperture (4th Camera) - F/2.4
Camera Functions (4th Camera) - Depth camera
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 10 Megapixel 13 Megapixel Samsung Galaxy A21s has better front camera resolution than Samsung Galaxy Z Flip.
Lens Aperture (Front) F/2.4 F/2.2 Samsung Galaxy A21s has better front lens aperture than Samsung Galaxy Z Flip.
Field of View (Front) 80 degree(s) -
Pixel Size (Front) 1.22 μm -
Focus Adjustment Automatic Focus free
Camera Modes (Front) Live Focus mode, Live focus video -
BATTERY AND CHARGING Samsung Galaxy Z Flip Samsung Galaxy A21s
Battery Capacity (Battery Size) 3300 mAh 5000 mAh Samsung Galaxy A21s has larger battery capacity than Samsung Galaxy Z Flip.
Fast Charging Technology Qualcomm Quick Charge 2.0, Adaptive Fast Charging - Samsung Galaxy Z Flip has fast charging technology.
Wireless Charging Yes - Samsung Galaxy Z Flip can be charged wirelessly.
Wireless Charging Standards WPC, Qi, Wireless PowerShare -
Talk Time 2100 minutes 3240 minutes Samsung Galaxy A21s has longer battery life when making calls than Samsung Galaxy Z Flip.
Run Time Details Active online usage (LTE): up to 13 hrs
Active online usage (Wi-Fi): up to 13 hrs
Playback (wireless video): up to 18 hrs
Playback (wireless audio): up to 42 hrs
Talk (LTE): up to 2100 min
Active online usage (4G): up to 23 hrs
Active online usage (Wi-Fi): up to 23 hrs
Playback (video): up to 21 hrs
Playback (audio): up to 109 hrs
Talk (4G): up to 3240 min
Battery Technology - Lithium Ion
CELLULAR Samsung Galaxy Z Flip Samsung Galaxy A21s
Technology TD-SCDMA / WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System Android 10 -
User Interface - One UI
Intelligent Assistant Bixby -
Payment Technology Samsung Pay -
Navigation GPS, GLONASS, BeiDou, Galileo GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS Samsung Galaxy Z Flip Samsung Galaxy A21s
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE, Gigabit LTE GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X, 1900 CDMA2000 1X, 2100 CDMA2000 1X (AWS) 850 GSM, 900 GSM, 1800 GSM, 1900 GSM
3G UMTS Band Band 1, Band 2, Band 4, Band 5, Band 8 Band 1, Band 2, Band 5, Band 8
3G UMTS Frequency 2100, 1900, 1700, 850, 900 2100, 1900, 850, 900
4G LTE Band Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 29, Band 30, Band 34, Band 38, Band 39, Band 40, Band 41, Band 66 Band 1, Band 2, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41
4G LTE Frequency FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700c, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 700d, FDD 2300 WCS, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500
Wireless Interface IEEE 802.11a/b/g/n/ac, ANT+ IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 5.0 LE Bluetooth 5.0 LE
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA Samsung Galaxy Z Flip Samsung Galaxy A21s
Supported Digital Audio Standards WAV, WMA, AAC, PCM, AMR, MP3, FLAC, XMF, OGG, MIDI, APE (Monkey's Audio), M4A, DSF, DSD, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, DFF, MID, DSD64, DSD128 WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID
Supported Digital Video Standards MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4
Sound Enhancements Dolby Digital Plus sound, Dolby Digital sound Dolby Atmos sound technology
FEATURES Samsung Galaxy Z Flip Samsung Galaxy A21s
Phone Functions Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert
Sensors Accelerometer, proximity sensor, barometer, gyro sensor, hall sensor, RGB sensor, geomagnetic sensor Accelerometer, proximity sensor, gyro sensor, geomagnetic sensor
Security Devices Face recognition, fingerprint reader (side) Face recognition, fingerprint reader
Additional Phone Features MU-MIMO technology, Samsung KNOX, High AOP Mic, Smart View, Bixby Vision, Bixby Routines, Intelligent Performance Enhancer, Flex mode, Multi Active Window, Thom Browne Theme Samsung KNOX, Virtual Light Sensing
OTHERS Samsung Galaxy Z Flip Samsung Galaxy A21s
Included Accessories Power adapter, leather cover, Galaxy Watch Active2, gray leather and a black rubber watch straps, Galaxy Buds+ (Thom Browne colors and a grey cradle) Power adapter
Compliant Standards VDE -
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