Samsung Galaxy A51 vs. Samsung Galaxy Z Flip5

Phone Comparison, Reviews and Tests

Detailed comparison and review of Samsung Galaxy A51 and Samsung Galaxy Z Flip5. 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 A51 vs. Samsung Galaxy Z Flip5 Comparison Chart
DESIGN AND DIMENSIONS Samsung Galaxy A51 Samsung Galaxy Z Flip5
Product Type Smartphone Smartphone
Manufacturer Model Number SM-A515F/DSN SM-F731B
Form Factor Touch Folder (flip) - touch screen, dual screen
Height 158.5 mm 165.1 mm Samsung Galaxy Z Flip5 has greater height than Samsung Galaxy A51.
Width 73.6 mm 71.9 mm Samsung Galaxy A51 has greater width than Samsung Galaxy Z Flip5.
Depth 7.9 mm 6.9 mm Samsung Galaxy Z Flip5 is narrower than Samsung Galaxy A51.
Weight 172 g 187 g Samsung Galaxy A51 is lighter than Samsung Galaxy A51.
Dimensions Details - Unfolded - 71.9 mm x 6.9 mm x 165.1 mm
Folded - 71.9 mm x 15.1 mm x 85.1 mm
Body Colour Silver | Prism crush black | Haze crush silver | Prism crush blue | Prism crush white Mint | Lavender | Graphite | Cream
Body Material - Armor aluminium, Corning Gorilla Glass Victus 2
Protection - Water-resistant
Waterproof (Water-resistant) - Yes Samsung Galaxy Z Flip5 is waterproof.
IP rating - IPX8
SAR Value 0.369 W/kg (head), 1.59 W/kg (body), 2.93 W/kg (limb) 2.34 W/kg (limb), 1.451 W/kg (body), 0.601 W/kg (head)
Connector Type USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
USB Type-C - 24 pin USB-C
SIM Card Type (Size) Nano SIM Nano SIM, Electronic SIM card (e-SIM)
SIM Card Qty Dual-SIM Dual-SIM
DISPLAY Samsung Galaxy A51 Samsung Galaxy Z Flip5
Display Type OLED display OLED display
Display Technology Super AMOLED Dynamic AMOLED 2X
Foldable Display - Yes
Display Design - Inward folding
Screen Size (Display Size) 6.5" 6.7" Samsung Galaxy Z Flip5 has larger screen size than Samsung Galaxy A51.
Screen Resolution (Display Resolution) 2400 x 1080 pixels 2640 x 1080 pixels Samsung Galaxy Z Flip5 has better screen resolution than Samsung Galaxy A51.
Display Format Full HD+ Full HD+
Pixel Density 408 ppi -
Aspect Ratio - 22:9
Max Brightness - 1750 cd/m²
Colour Depth 16.7 million colours 16.7 million colours Both phones have the same color depth.
Display Refresh Rate - 120 Hz
Display Features Edge-to-Edge screen, Infinity O display Video Wallpaper
SECOND DISPLAY
Second Display Type - OLED display - colour
Second Display Screen Size - 3.4"
Second Display Resolution - 720 x 748 pixels
Second Display Colour Depth - 16.7 million colours
PROCESSOR Samsung Galaxy A51 Samsung Galaxy Z Flip5
Processor Type (CPU) Samsung Exynos 9611 Qualcomm Snapdragon 8 Gen 2
Clock Speed 2.3 GHz 3.36 GHz Samsung Galaxy Z Flip5 has higher clock speed than Samsung Galaxy A51.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture Yes - Samsung Galaxy A51 has 64-bit architecture.
MEMORY Samsung Galaxy A51 Samsung Galaxy Z Flip5
RAM 4 GB 8 GB Samsung Galaxy Z Flip5 has more RAM than Samsung Galaxy A51.
Internal Memory Size (Storage Capacity) 128 GB 256 GB Samsung Galaxy Z Flip5 has more internal memory than Samsung Galaxy A51.
User Memory 107 GB 216.6 GB
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 512 GB -
CAMERA Samsung Galaxy A51 Samsung Galaxy Z Flip5
MAIN CAMERA
Number of Main Cameras 4 2
Sensor Resolution 48 Megapixel 12 Megapixel Samsung Galaxy A51 has better camera resolution than Samsung Galaxy Z Flip5.
Lens Type - Wide-angle lens
Lens Aperture F/2.0 F/1.8 Samsung Galaxy Z Flip5 has better lens aperture than Samsung Galaxy A51.
Field of View (FoV) - 83 degree(s)
Pixel Size - 1.8 μm
Optical Image Stabiliser (OIS) - Optical Image Stabiliser (OIS) Samsung Galaxy Z Flip5 has optical stabilisation.
Focus Adjustment Automatic Automatic
Digital Zoom 8x 10x Samsung Galaxy Z Flip5 has better digital zoom than Samsung Galaxy A51.
Camera Modes Slow motion mode, Live Focus mode Nightography
Light Source LED flash LED flash
Video Resolutions Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps 3840 x 2160 (4K) at 60 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps, Slo-mo video 1920 x 1080 (1080p) at 960 fps
Camera Features (Functions) AR sticker, background blur, Scene Optimiser, Eye blink, Flaw detection, Stamp, Facial blur Dual Pixel Autofocus technology, FlexCam
SECOND CAMERA
Sensor Resolution (2nd Camera) 12 Megapixel 12 Megapixel Both phones have the same second camera resolution.
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.
Pixel Size (2nd Camera) - 1.12 μm
THIRD CAMERA
Sensor Resolution (3rd Camera) 5 Megapixel -
Lens Aperture (3rd Camera) F/2.4 -
Camera Functions (3rd Camera) Macro camera -
FOURTH CAMERA
Sensor Resolution (4th Camera) 5 Megapixel -
Lens Type (4th Camera) Telephoto lens -
Lens Aperture (4th Camera) F/2.2 -
Camera Functions (4th Camera) Depth camera -
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 32 Megapixel 10 Megapixel Samsung Galaxy A51 has better front camera resolution than Samsung Galaxy Z Flip5.
Lens Aperture (Front) F/2.2 F/2.2 Both phones have the same front camera lens aperture.
Field of View (Front) - 85 degree(s)
Pixel Size (Front) - 1.22 μm
Focus Adjustment Focus free Focus free
BATTERY AND CHARGING Samsung Galaxy A51 Samsung Galaxy Z Flip5
Battery Capacity (Battery Size) 4000 mAh 3700 mAh Samsung Galaxy A51 has larger battery capacity than Samsung Galaxy Z Flip5.
Fast Charging Technology - Qualcomm Quick Charge 2.0, Adaptive Fast Charging Samsung Galaxy Z Flip5 has fast charging technology.
Wireless Charging - Yes Samsung Galaxy Z Flip5 can be charged wirelessly.
Wireless Charging Standards - WPC, Qi, Fast Wireless Charging 2.0, Wireless PowerShare
Talk Time 1920 minutes 2100 minutes Samsung Galaxy Z Flip5 has longer battery life when making calls than Samsung Galaxy A51.
Run Time Details Active online usage (LTE): up to 15 hrs
Active online usage (Wi-Fi): up to 16 hrs
Playback (video): up to 20 hrs
Playback (audio): up to 87 hrs
Talk (4G): up to 1920 min
Talk (4G): up to 2100 min
Active online usage (LTE): up to 17 hrs
Active online usage (Wi-Fi): up to 17 hrs
Playback (wireless video): up to 20 hrs
Playback (wireless audio): up to 57 hrs
Battery Technology Lithium Ion -
CELLULAR Samsung Galaxy A51 Samsung Galaxy Z Flip5
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 5G Samsung Galaxy Z Flip5 has more advanced generation mobile network.
Operating System Android 10 Android 13
User Interface One UI One UI 5.1.1
Intelligent Assistant Bixby -
Payment Technology - Samsung Pay
Navigation GPS, GLONASS, BeiDou, Galileo GPS, GLONASS, BeiDou, Galileo, QZSS
COMMUNICATIONS Samsung Galaxy A51 Samsung Galaxy Z Flip5
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE LTE, FDD-LTE, TDD-LTE, 5G NR FR1
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM 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 4, Band 5, Band 8
3G UMTS Frequency 2100, 1900, 1700, 850, 900 2100, 1900, 1700, 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 20, Band 26, Band 28, Band 38, Band 40, Band 41, Band 66 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 32, Band 38, Band 39, Band 40, Band 41, Band 66
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 DD, FDD 850+, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 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 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3
5G NR Band - N1, n2, n3, n5, n7, n8, n20, n28, n38, n41, n66, n75, n77, n78, n40, n25, n12
5G NR Frequency - FDD 2100, FDD 1900PCS, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, FDD AWS-3, SDL DL 1500+, TDD TD 3700, TDD TD 3500, TDD 2300, FDD 1900, n12
Wireless Interface IEEE 802.11a/b/g/n/ac, ANT+ IEEE 802.11a/b/g/n/ac/ax, Wi-Fi 6E
Bluetooth Bluetooth 5.0 LE Bluetooth 5.3
Bluetooth Profiles HFP, HSP, OPP, PAN, A2DP, AVRCP, HID, SAP, PBAP, MAP, HOGP -
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS -
MEDIA Samsung Galaxy A51 Samsung Galaxy Z Flip5
Supported Digital Audio Standards WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID WAV, AAC, PCM, AMR, MP3, FLAC, XMF, OGG, MIDI, APE (Monkey's Audio), M4A, DSF, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, DFF, MID
Supported Digital Video Standards MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 MKV, FLV, AVI, 3GP, M4V, WebM, 3G2, MP4
FEATURES Samsung Galaxy A51 Samsung Galaxy Z Flip5
Phone Functions Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert -
Sensors Accelerometer, ambient light sensor, proximity sensor, gyro sensor, hall sensor, geomagnetic sensor Accelerometer, proximity sensor, barometer, gyro sensor, hall sensor, geomagnetic sensor, light sensor
Security Devices Fingerprint reader (under display) Face recognition, fingerprint reader (side)
Additional Phone Features Fast Charging, Samsung KNOX, Bixby Vision, Game Booster, Bixby Routines MIMO technology, Samsung KNOX, Samsung Smart Switch, Flex mode, Flex Window, Multi Widget View, Flex Hinge
OTHERS Samsung Galaxy A51 Samsung Galaxy Z Flip5
Included Accessories Power adapter SIM card removal tool, USB-C cable
Compliant Standards - VDE, IPX8, USB 3.2 Gen 1, Android Audio Streaming for Hearing Aid (ASHA)
Max Depth of Water Resistance - 1.5 m
Other projects: