Samsung Galaxy Z Flip 4 (SM-F721N 256GB) vs Samsung Galaxy A15 (SM-A155M/N 128GB)

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Side by side comparison between Samsung Galaxy Z Flip 4 vs Samsung Galaxy A15 phones, differences, pros, cons and full specifications. What's the better?

3/18/2024 5:02 PM, updated: 3/18/2024 7:37 PM

Compare Samsung Galaxy A15 X Samsung Galaxy Z Flip 4 (SM-F721N 256GB) 26Points

Specifications Compare Models Pictures

6.7"
AMOLED

1080x2640

12.2
MP

10mp

8GB
RAM

Octa-core

3700
mAh

(Non removable)

07Points Samsung Galaxy A15 (SM-A155M/N 128GB) Compare Samsung Galaxy Z Flip 4 X

Specifications Compare Models Pictures

6.5"
AMOLED

1080x2340

50
MP

13mp

4GB
RAM

Octa-core

5000
mAh

(Non removable)

What's the better phone? Samsung Galaxy Z Flip 4 (SM-F721N 256GB)

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!

26 Advantages Samsung Galaxy Z Flip 4 (SM-F721N 256GB)	vs	7 Advantages Samsung Galaxy A15 (SM-A155M/N 128GB)
+3.19GHz 64bit Octa-core (4nm)43% More powerful processor, you can open your applications faster	vs	2.2GHz 64bit Octa-core (6nm)
+8GB LPDDR5100% More RAM memory. Typically more responsive and better for multitasking.	vs	4GB LPDDR4X
+256GB (218GB available)102% More internal storage for applications and files	vs	128GB (108GB available)
+UFS 3.1Advantage Fastest write and read storage.	vs	eMMC 5.1
+187 grams (6.55 ounces)7% Lighter	vs	200 grams (7 ounces)
+6.9 millimeters (0.27 inches)22% Thinner	vs	8.4 millimeters (0.33 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
+120Hz33% The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.	vs	90Hz
+1080x2640 pixels13% Higher resolution screen	vs	1080x2340 pixels
+426 PPI8% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	396 PPI
+6.7"3% Larger screen	vs	6.5"
+OIS: Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video	vs	EIS: Digital stabilization
+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)
+5G Sub6Advantage The 5G Sub6 network is newer and faster	vs	4G LTE-A
+(5G Sub6) 3000 Mbps9 times Faster for surfing the internet and download files	vs	(4G LTE-A) 300 Mbps
+BarometerAdvantage Sensors help you use the device	vs	Not supported
+GyroscopeAdvantage Sensors help you use the device	vs	Not supported
+Proximity sensorAdvantage Sensors help you use the device	vs	Virtual proximity sensor
+Qi Wireless charging (Qi/WPC)Advantage 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	1 slot (Single-SIM) (dedicated slot)
+Stereo soundAdvantage Better sound quality for listening to music or clearer hands-free calls	vs	Mono sound (not stereo)
+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]
+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.	vs	Not supported
+IPX8 certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example	vs	Not supported
Not supported	vs	+Until 1TB microSD, microSDXCAdvantage More external storage for files using memory cards
(dual camera) 12.2MP + 12MP	vs	+(triple camera) 50MP + 5MP + 2MP135% Higher resolution main camera
(front) 10MP	vs	+(front) 13MP27% Higher resolution secondary camera to take pictures and selfies
3700 mAh	vs	+5000 mAh35% 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	+FM (RDS)Advantage The radio lets you listen to your songs and sports in general
5.2 + A2DP/LE	vs	+5.3 + A2DP/LEAdvantage Bluetooth 5.3 + A2DP/LE is newer and faster

21 Common items in both devices

Dynamic AMOLED / Super AMOLED

16 million

LED flash

Only digital zoom

PDAF: phase detection autofocus / Autofocus

HDR photo/video on both cameras / HDR photo on both cameras

f/1.8 (aperture)

+14 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 4 (SM-F721N 256GB)	Galaxy A15 (SM-A155M/N 128GB)
Change model		Choose the model
Model	Galaxy Z Flip 4 (SM-F721N 256GB)	Galaxy A15 (SM-A155M/N 128GB)
Other model names	갤럭시 Z 플립4 5G (SM-F721N)	Galaxy A15 4G LTE SM-A155M/NFC (Single-SIM)
Country or region available	South Korea	(Latin America), Argentina, Mexico
Brand	Samsung	Samsung
Release date	8/25/2022, Announced: 8/10/2022	12/16/2023, Announced: 12/11/2023
Depth	6.9 millimeters (0.27 inches)	8.4 millimeters (0.33 inches)
Size (width x height)	71.9 x 165.2 millimeters (2.83 x 6.5 in)	76.8 x 160.1 millimeters (3.02 x 6.3 in)
Weight	187 grams (6.55 ounces)	200 grams (7 ounces)
Build, materials	Aluminum frame, flexible plastic screen, glass back Back: Gorilla Glass Victus+ Folded: 15.9 x 71.9 x 84.9 mm	Plastic body, glass front
Protection against water and others	IPX8 certified: water resistant up to 1.5 meters and 30min	Not supported
📲 Display
	Galaxy Z Flip 4 (SM-F721N 256GB)	Galaxy A15 (SM-A155M/N 128GB)
Display type	Dynamic AMOLED	Super AMOLED
Screen size	6.7" inches	6.5" inches
Screen-to-body ratio	~85.4% (screen-to-body ratio)	~84.3% (screen-to-body ratio)
Display resolution	1080x2640 pixels	1080x2340 pixels (19.5:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	426 PPI	396 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Not supported
Refresh rate	120Hz	90Hz
Display features	1200nits[peak] HDR10+ Always-On Display Extra display: Super AMOLED 1.9" (260x512), Gorilla Glass Victus+	800nits[peak]
🤖 Operating System
	Galaxy Z Flip 4 (SM-F721N 256GB)	Galaxy A15 (SM-A155M/N 128GB)
System version	Android 12	Android 14
Firmware update	Android 14	feature not registered
User Interface	One UI 4.1 / 5.1 / 6.0	One UI 6.1
⚙️ Processor
	Galaxy Z Flip 4 (SM-F721N 256GB)	Galaxy A15 (SM-A155M/N 128GB)
Chipset	64bit: Qualcomm Snapdragon 8+ Gen 1 (SM8475) (4nm)	64bit: MediaTek Helio G99 (6nm)
CPU	Octa-core, 3 processors: 1x 3.19GHz ARM Cortex-X2 (Single-core) 3x 2.75GHz ARM Cortex-A710 (Triple-core) 4x 2GHz ARM Cortex-A510 (Quad-core)	Octa-core, 2 processors: 2x 2.2GHz ARM Cortex-A76 (Dual-core) 6x 2GHz ARM Cortex-A55 (Hexa-core)
GPU graphical controller	Qualcomm Adreno 730 (818MHz)	ARM Mali-G57 MC2
Performance (benchmark)	AnTuTu: 685765 (v8), 800001 (v9) Geekbench: 3913 (v5.1) GFXBench: 74fps (ES 3.1 onscreen)	AnTuTu: 317085 (v9), 375321 (v10) Geekbench: 1928 (v5), 1936 (v6)
💽 Memory and storage
	Galaxy Z Flip 4 (SM-F721N 256GB)	Galaxy A15 (SM-A155M/N 128GB)
RAM memory	8GB LPDDR5	4GB LPDDR4X
Internal storage	256GB (218GB available) UFS 3.1	128GB (108GB available) eMMC 5.1
External storage	Not supported	Until 1TB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Galaxy Z Flip 4 (SM-F721N 256GB)	Galaxy A15 (SM-A155M/N 128GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card	Not supported
SIM card	1 slot (Single-SIM) nano-SIM (4FF) + e-SIM	1 slot (Single-SIM) nano-SIM (4FF)
Maximum Download / Upload	3000/1024 Mbps	300/150 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, 17, 18, 19, 20, 25, 26, 28, 66) TD-LTE (38, 39, 40, 41) VoLTE	LTE Cat7 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE
Primary 5G network	SA/NSA/Sub6 (77, 78)	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, LTE-A
Secondary 2G network	GSM 850/900/1800/1900	Not supported
Secondary 3G network	UMTS 850/900/1700/1900/2100	Not supported
Secondary 4G network	LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 66) TD-LTE (38, 39, 40, 41) VoLTE	Not supported
Secondary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6	Not supported
📷 Camera
	Galaxy Z Flip 4 (SM-F721N 256GB)	Galaxy A15 (SM-A155M/N 128GB)
Back camera (main camera)	(dual camera) 12.2 megapixels 12MP ultrawide f/2.2123°1.12µm	(triple camera) 50 megapixels 5MP ultrawide f/2.2 2MP macro f/2.4
Main camera resolution	4032x3024 pixels	8160x6120 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/1.8 (aperture)
Focal length	24mm lens	feature not registered
Sensor size	1/1.76" inches	feature not registered
Pixel size	1.8µm pixel	feature not registered
Autofocus	PDAF: phase detection autofocus	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	Supported
HDR	HDR photo/video on both cameras	HDR photo on both cameras
Camera extras	4K@30/60fps 1080p@30/60/240fps 720p@960fps HDR10+ Slow motion	1080p@30fps 720p@120fps (slow motion)
📸 Front camera
	Galaxy Z Flip 4 (SM-F721N 256GB)	Galaxy A15 (SM-A155M/N 128GB)
Front camera (secondary)	10 megapixels	13 megapixels
Front camera resolution	3872x2592 pixels	4128x3096 pixels
Video recording (secondary)	4K UHD (3840x2160)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/2.4 (aperture)	f/2.0 (aperture)
Focal length	26mm lens	feature not registered
Sensor size	1/3" inches	feature not registered
Pixel size	1.22µm pixel	feature not registered
🔉 Sound and multimedia
	Galaxy Z Flip 4 (SM-F721N 256GB)	Galaxy A15 (SM-A155M/N 128GB)
Loudspeaker	Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG	Mono sound (not stereo)
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	Not supported	FM (RDS)
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 4 (SM-F721N 256GB)	Galaxy A15 (SM-A155M/N 128GB)
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	USB Type-C (reversible)	USB Type-C (reversible)
Bluetooth	5.2 + A2DP/LE	5.3 + 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	Supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS
NFC	Supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Galaxy Z Flip 4 (SM-F721N 256GB)	Galaxy A15 (SM-A155M/N 128GB)
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 (side-mounted) Virtual proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy Z Flip 4 (SM-F721N 256GB)	Galaxy A15 (SM-A155M/N 128GB)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	3700 mAh	5000 mAh
Charger, watts	25W Wired fast charging Reverse charging by cable USB Power Delivery 3.0	25W Wired fast charging
Inductive / wireless charging	15W Qi Wireless charging (Qi/WPC) 4.5W Reverse wireless charging	Not supported
Talk time autonomy	34 hours (1.4 days)	51 hours (2.1 days)
Standby	feature not registered	feature not registered
➕ Other features
	Galaxy Z Flip 4 (SM-F721N 256GB)	Galaxy A15 (SM-A155M/N 128GB)
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: Graphite, White, Bora Purple, Pink Gold, Blue, Yellow, Navy, Khaki, Red • Samsung Pay (Visa, MasterCard)	• Colors: Brave Black, Optimistic Blue, Magical Blue, Personality Yellow
☢️ Radiation rate
	Galaxy Z Flip 4 (SM-F721N 256GB)	Galaxy A15 (SM-A155M/N 128GB)
SAR 1.6W/kg (USA, Mexico, etc.)	0.589W/kg (head), 0.972W/kg (body)	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered	feature not registered