Apple iPhone X (256GB) vs Samsung Galaxy Z Flip 4 (SM-F721B 128GB)

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

1/20/2023 7:20 AM, updated: 6/9/2025 11:00 PM

Compare Samsung Galaxy Z Flip 4 X Apple iPhone X (256GB) 09Points

Specifications Compare Models Pictures

5.8"
AMOLED

1125x2436

12
MP

7.1mp

3GB
RAM

Hexa-core

2716
mAh

(Non removable)

22Points Samsung Galaxy Z Flip 4 (SM-F721B 128GB) Compare Apple iPhone X X

Specifications Compare Models Pictures

6.7"
AMOLED

1080x2640

12.2
MP

10mp

8GB
RAM

Octa-core

3700
mAh

(Non removable)

What's the better phone? Samsung Galaxy Z Flip 4 (SM-F721B 128GB)

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!

9 Advantages Apple iPhone X (256GB)	vs	22 Advantages Samsung Galaxy Z Flip 4 (SM-F721B 128GB)
+256GB (245GB available)147% More internal storage for applications and files	vs	128GB (99GB available)
+NVMe (SSD)Advantage Fastest write and read storage.	vs	UFS 3.1
+174 grams (6.09 ounces)7% Lighter	vs	187 grams (6.55 ounces)
+Stainless steel body, glass front/backAdvantage More resistant material	vs	Aluminum frame, flexible plastic screen, glass back
+463 PPI9% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	426 PPI
+Quad-LED flashAdvantage The Quad-LED flash helps in dark places or in low light	vs	LED flash
+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures	vs	Only digital zoom
+Face unlock 3DAdvantage Sensors help you use the device	vs	Face unlock 2D
+Scratch-resistant glassAdvantage Protection against scratches on the screen lets you carry your phone with your keys	vs	Not supported
2.39GHz 64bit Hexa-core (10nm)	vs	+3.19GHz 64bit Octa-core (4nm)59% More powerful processor, you can open your applications faster
3GB LPDDR4X	vs	+8GB LPDDR5167% More RAM memory. Typically more responsive and better for multitasking.
7.7 millimeters (0.3 inches)	vs	+6.9 millimeters (0.27 inches)12% Thinner
60Hz	vs	+120Hz100% The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.
1125x2436 pixels	vs	+1080x2640 pixels4% Higher resolution screen
5.8"	vs	+6.7"16% Larger screen
(dual camera) 12MP + 12MP	vs	+(dual camera) 12.2MP + 12MP1% Higher resolution main camera
1/3" inches	vs	+1/1.76" inches70% The larger sensor camera lets you take photos with better depth.
(front) 7.1MP	vs	+(front) 10MP42% Higher resolution secondary camera to take pictures and selfies
(front) Full HD (1920x1080)	vs	+(front) 4K UHD (3840x2160)3 times More image quality for recording videos with the secondary camera
2300000 apps (App Store)	vs	+3500000 apps (Google Play Store)52% More apps available to download and use
4G LTE-A	vs	+5G Sub6Advantage The 5G Sub6 network is newer and faster
(4G LTE-A) 1024 Mbps	vs	+(5G Sub6) 3000 Mbps193% Faster for surfing the internet and download files
Not supported	vs	+Fingerprint sensor (side-mounted)Advantage Sensors help you use the device
2716 mAh	vs	+3700 mAh36% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
15W	vs	+25W67% More power (watts) to charge the battery faster. Sometimes, the charger that comes with the device doesn't have the same power supported by the device. Check before you buy it.
1 slot (Single-SIM)	vs	+1 slot (Single-SIM) + e-SIM (Eletronic)Advantage You can have more mobile carriers/operators on the same device.
proprietary audio output	vs	+Type-C reversible connectorAdvantage Best output for headset
802.11 a/b/g/n/ac [wifi5]	vs	+802.11 a/b/g/n/ac/ax [wifi6]Advantage WiFi 802.11 a/b/g/n/ac/ax [wifi6] is newer and faster
Not supported	vs	+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
5.0 + A2DP/LE	vs	+5.2 + A2DP/LEAdvantage Bluetooth 5.2 + A2DP/LE is newer and faster
USB 2.0 proprietary connector	vs	+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.

29 Common items in both devices

Super AMOLED / Dynamic AMOLED

Dolby Vision/HDR10 / HDR10+

16 million

PDAF: phase detection autofocus

OIS: Optical stabilization

BSI sensor

HDR photo/video on both cameras

+22 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
	iPhone X (256GB)	Galaxy Z Flip 4 (SM-F721B 128GB)
Change model		Choose the model
Model	iPhone X (256GB)	Galaxy Z Flip 4 (SM-F721B 128GB)
Other model names	iPhone 10, iPhone Ten A1865, A1901, A1902	Galaxy Z Flip4 5G (SM-F721B)
Country or region available	(Global, International)	(Global, International)
Brand	Apple	Samsung
Release date	11/3/2017, Announced: 9/12/2017	8/25/2022, Announced: 8/10/2022
Depth	7.7 millimeters (0.3 inches)	6.9 millimeters (0.27 inches)
Size (width x height)	70.9 x 143.6 millimeters (2.79 x 5.65 in)	71.9 x 165.2 millimeters (2.83 x 6.5 in)
Weight	174 grams (6.09 ounces)	187 grams (6.55 ounces)
Build, materials	Stainless steel body, glass front/back	Aluminum frame, flexible plastic screen, glass back Back: Gorilla Glass Victus+ Folded: 15.9 x 71.9 x 84.9 mm
Protection against water and others	IP67 certified: dust proof and waterproof over 1 meter and 30min	IPX8 certified: water resistant up to 1.5 meters and 30min
📲 Display
	iPhone X (256GB)	Galaxy Z Flip 4 (SM-F721B 128GB)
Display type	Super AMOLED	Dynamic AMOLED
Screen size	5.8" inches	6.7" inches
Screen-to-body ratio	~81.1% (screen-to-body ratio)	~85.4% (screen-to-body ratio)
Display resolution	1125x2436 pixels (19.5:9)	1080x2640 pixels
Touchscreen	Capacitive Multitouch 10-points	Capacitive Multitouch
Pixel density (dot pitch)	463 PPI	426 PPI
Colors	16 million	16 million
Scratch-resistant glass	Scratch-resistant glass	Not supported
Refresh rate	60Hz	120Hz
Display features	625nits[typ] Dolby Vision/HDR10 Oleophobic coating screen	1200nits[peak] HDR10+ Always-On Display Extra display: Super AMOLED 1.9" (260x512), Gorilla Glass Victus+
🤖 Operating System
	iPhone X (256GB)	Galaxy Z Flip 4 (SM-F721B 128GB)
System version	iOS 11	Android 12
Firmware update	iOS 16	Android 15
User Interface	feature not registered	One UI 4.1 / 5.1 / 6.0 / 7.0
⚙️ Processor
	iPhone X (256GB)	Galaxy Z Flip 4 (SM-F721B 128GB)
Chipset	64bit: Apple A11 Bionic (10nm)	64bit: Qualcomm Snapdragon 8+ Gen 1 (SM8475) (4nm)
CPU	Hexa-core, 2 processors: 2x 2.39GHz Monsoon (Dual-core) 4x 1.6GHz Mistral (Quad-core)	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)
GPU graphical controller	Apple GPU (3-Core)	Qualcomm Adreno 730 (818MHz)
Performance (benchmark)	AnTuTu: 233100 (v7) Geekbench: 10215 (v4.4) GFXBench: 28fps (ES 3.1 onscreen)	AnTuTu: 685765 (v8), 800001 (v9) Geekbench: 3913 (v5.1) GFXBench: 74fps (ES 3.1 onscreen)
💽 Memory and storage
	iPhone X (256GB)	Galaxy Z Flip 4 (SM-F721B 128GB)
RAM memory	3GB LPDDR4X	8GB LPDDR5
Internal storage	256GB (245GB available) NVMe (SSD)	128GB (99GB available) UFS 3.1
External storage	Not supported	Not supported
📶 Mobile networks
	iPhone X (256GB)	Galaxy Z Flip 4 (SM-F721B 128GB)
Dual-SIM	Not supported	Dual-SIM Standby - Call active on one sim card
SIM card	1 slot (Single-SIM) nano-SIM (4FF)	1 slot (Single-SIM) nano-SIM (4FF) + e-SIM
Maximum Download / Upload	1024/150 Mbps	3000/1024 Mbps
Network technology	2G, 3G, 4G	2G, 3G, 4G, 5G
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	CDMA 800/1900/2100 (A1865 model), GSM 850/900/1800/1900	GSM 850/900/1800/1900
Primary 3G network	A1865 model: CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1700/1900/2100 A1901 model: UMTS 850/900/1700/1900/2100	UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat16 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 34, 66) TD-LTE (38, 39, 40, 41) VoLTE	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
Primary 5G network	Not supported	SA/NSA/Sub6 (1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 38, 40, 41, 66, 77, 78)
Primary data network	GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6
Secondary 2G network	Not supported	GSM 850/900/1800/1900
Secondary 3G network	Not supported	UMTS 850/900/1700/1900/2100
Secondary 4G network	Not supported	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
Secondary data network	Not supported	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6
📷 Camera
	iPhone X (256GB)	Galaxy Z Flip 4 (SM-F721B 128GB)
Back camera (main camera)	(dual camera) 12 megapixels 12MP telephoto f/2.41/3.4"52mm1.0µm2x-optical-zoomOISPDAF	(dual camera) 12.2 megapixels 12MP ultrawide f/2.2123°1.12µm
Main camera resolution	4000x3000 pixels	4032x3024 pixels
Video recording (primary)	4K UHD (3840x2160) 60 fps	4K UHD (3840x2160) 60 fps
Flash	Quad-LED flash	LED flash
Focal aperture	f/1.8 (aperture)	f/1.8 (aperture)
Focal length	28mm (lens)	24mm (lens)
Sensor size	1/3" inches	1/1.76" inches
Pixel size	1.22µm pixel	1.8µm pixel
Autofocus	PDAF: phase detection autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	OIS: Optical stabilization	OIS: Optical stabilization
Zoom	Digital and optical 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/video on both cameras
Camera extras	1080p@240fps	4K@30/60fps 1080p@30/60/240fps 720p@960fps HDR10+ Slow motion
📸 Front camera
	iPhone X (256GB)	Galaxy Z Flip 4 (SM-F721B 128GB)
Front camera (secondary)	7.1 megapixels	10 megapixels
Front camera resolution	3072x2304 pixels	3872x2592 pixels
Video recording (secondary)	Full HD (1920x1080)	4K UHD (3840x2160)
Front flash	Not supported	Not supported
Focal aperture	f/2.2 (aperture)	f/2.4 (aperture)
Focal length	32mm (lens)	26mm (lens)
Sensor size	feature not registered	1/3" inches
Pixel size	feature not registered	1.22µm pixel
🔉 Sound and multimedia
	iPhone X (256GB)	Galaxy Z Flip 4 (SM-F721B 128GB)
Loudspeaker	Stereo sound	Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG
Active noise cancellation	3 microphones	2 microphones or more
Radio	Not supported	Not supported
TV	Not supported	Not supported
Video formats	MPEG4, H.265, H.264, MOV	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, AAX+, AIFF	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	iPhone X (256GB)	Galaxy Z Flip 4 (SM-F721B 128GB)
USB	USB 2.0 proprietary connector	USB 2.0 Type-C, USB OTG On-The-Go
Audio output	proprietary audio output	Type-C reversible connector
TV output	Proprietary TV-out	USB Type-C (reversible)
Bluetooth	5.0 + A2DP/LE	5.2 + A2DP/LE
WiFi	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi hotspot	802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Not supported	Supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, QZSS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	iPhone X (256GB)	Galaxy Z Flip 4 (SM-F721B 128GB)
Sensors	Accelerometer Ambient light sensor Barometer Compass Face unlock 3D Gyroscope Proximity sensor	Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Hall effect Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	iPhone X (256GB)	Galaxy Z Flip 4 (SM-F721B 128GB)
Battery type	Li-Ion: lithium-ion (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	2716 mAh	3700 mAh
Charger, watts	15W Wired fast charging USB Power Delivery 2.0	25W Wired fast charging Reverse charging by cable USB Power Delivery 3.0
Inductive / wireless charging	5W Qi wireless charging	15W Qi Wireless charging (Qi/WPC) 4.5W Reverse wireless charging
Talk time autonomy	21 hours	34 hours (1.4 days)
Standby	feature not registered	feature not registered
➕ Other features
	iPhone X (256GB)	Galaxy Z Flip 4 (SM-F721B 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: Space Gray, Silver • Lightning to 3.5mm headphone jack adapter included • 5W charger is included • Apple Pay • AirDrop, iCloud, FaceTime, Siri • Face ID	• Colors: Graphite, White, Bora Purple, Pink Gold, Blue, Yellow, Navy, Khaki, Red • Samsung Pay (Visa, MasterCard)
☢️ Radiation rate
	iPhone X (256GB)	Galaxy Z Flip 4 (SM-F721B 128GB)
SAR 1.6W/kg (USA, Mexico, etc.)	1.09W/kg (head), 1.17W/kg (body)	1.01W/kg (head), 1.01W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	feature not registered	1.151W/kg (head), 1.198W/kg (body)

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Apple iPhone X (256GB) vs Samsung Galaxy Z Flip 4 (SM-F721B 128GB)

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

What's the better phone? Samsung Galaxy Z Flip 4 (SM-F721B 128GB)

📱 Model features

📲 Display

🤖 Operating System

⚙️ Processor

💽 Memory and storage

📶 Mobile networks

📷 Camera

📸 Front camera

🔉 Sound and multimedia

🔌 Connectivity

🧭 Sensors

🔋 Battery

➕ Other features

☢️ Radiation rate