Apple iPhone X (64GB) vs Samsung Galaxy A51 (SM-A515F/DSM 128GB)

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Side by side comparison between Apple iPhone X vs Samsung Galaxy A51 phones, differences, pros, cons and full specifications. What's the better?

1/4/2020 4:27 PM, updated: 2/17/2023 12:37 AM

Compare Samsung Galaxy A51 X Apple iPhone X (64GB) 16Points

Specifications Compare Models Pictures

5.8"
AMOLED

1125x2436

12
MP

7.1mp

3GB
RAM

Hexa-core

2716
mAh

(Non removable)

18Points Samsung Galaxy A51 (SM-A515F/DSM 128GB) Compare Apple iPhone X X

Specifications Compare Models Pictures

6.5"
AMOLED

1080x2400

48
MP

32mp

6GB
RAM

Octa-core

4000
mAh

(Non removable)

What's the better phone? Samsung Galaxy A51 (SM-A515F/DSM 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!

16 Advantages Apple iPhone X (64GB)	vs	18 Advantages Samsung Galaxy A51 (SM-A515F/DSM 128GB)
+NVMe (SSD)Advantage Fastest write and read storage.	vs	eMMC 5.1
+7.7 millimeters (0.3 inches)3% Thinner	vs	7.9 millimeters (0.31 inches)
+Stainless steel body, glass front/backAdvantage More resistant material	vs	Plastic body, glass front
+Dolby Vision/HDR10Advantage The Dolby Vision/HDR10 display provides vibrant colors and more details	vs	Not supported
+1125x2436 pixels6% Higher resolution screen	vs	1080x2400 pixels
+463 PPI14% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	405 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
+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)
+(4G LTE-A) 1024 Mbps71% Faster for surfing the internet and download files	vs	(4G LTE-A) 600 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
+NFCAdvantage NFC allows you to make payments by approach quickly and securely	vs	Not supported
+IP67 certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example	vs	Not supported
2.39GHz 64bit Hexa-core (10nm)	vs	+2.3GHz 64bit Octa-core (10nm)4% More powerful processor, you can open your applications faster
3GB LPDDR4X	vs	+6GB LPDDR4X100% More RAM memory. Typically more responsive and better for multitasking.
64GB (54GB available)	vs	+128GB (107GB available)98% More internal storage for applications and files
Not supported	vs	+Until 1TB microSD, microSDXCAdvantage More external storage for files using memory cards
174 grams (6.09 ounces)	vs	+172 grams (6.02 ounces)1% Lighter
5.8"	vs	+6.5"12% Larger screen
(dual camera) 12MP + 12MP	vs	+(quad camera) 48MP + 12MP + 5MP + 5MP192% Higher resolution main camera
1/3" inches	vs	+1/2" inches50% The larger sensor camera lets you take photos with better depth.
(front) 7.1MP	vs	+(front) 32MP4 times 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
Not supported	vs	+ANT+Advantage Sensors help you use the device
Not supported	vs	+Fingerprint sensor (under display)Advantage Sensors help you use the device
2716 mAh	vs	+4000 mAh47% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
1 slot (Single-SIM)	vs	+2 slots (Dual-SIM) (dedicated slot)Advantage You can have more mobile carriers/operators on the same device.
proprietary audio output	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
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.

22 Common items in both devices

Super AMOLED

60Hz

16 million

PDAF: phase detection autofocus

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

4K UHD (3840x2160)

4G LTE-A

+15 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 (64GB)	Galaxy A51 (SM-A515F/DSM 128GB)
Change model		Choose the model
Model	iPhone X (64GB)	Galaxy A51 (SM-A515F/DSM 128GB)
Other model names	iPhone 10, iPhone Ten A1865, A1901, A1902	Samsung Galaxy A51 SM-A515F/DSM
Country or region available	(Global, International)	Kazakhstan, Russia
Brand	Apple	Samsung
Release date	11/3/2017, Announced: 9/12/2017	12/16/2019, Announced: 12/12/2019
Depth	7.7 millimeters (0.3 inches)	7.9 millimeters (0.31 inches)
Size (width x height)	70.9 x 143.6 millimeters (2.79 x 5.65 in)	73.6 x 158.5 millimeters (2.9 x 6.24 in)
Weight	174 grams (6.09 ounces)	172 grams (6.02 ounces)
Build, materials	Stainless steel body, glass front/back	Plastic body, glass front
Protection against water and others	IP67 certified: dust proof and waterproof over 1 meter and 30min	Not supported
📲 Display
	iPhone X (64GB)	Galaxy A51 (SM-A515F/DSM 128GB)
Display type	Super AMOLED	Super AMOLED
Screen size	5.8" inches	6.5" inches
Screen-to-body ratio	~81.1% (screen-to-body ratio)	~87.4% (screen-to-body ratio)
Display resolution	1125x2436 pixels (19.5:9)	1080x2400 pixels (20:9)
Touchscreen	Capacitive Multitouch 10-points	Capacitive Multitouch
Pixel density (dot pitch)	463 PPI	405 PPI
Colors	16 million	16 million
Scratch-resistant glass	Scratch-resistant glass	Gorilla Glass 3
Refresh rate	60Hz	60Hz
Display features	625nits[typ] Dolby Vision/HDR10 Oleophobic coating screen	Always-On Display
🤖 Operating System
	iPhone X (64GB)	Galaxy A51 (SM-A515F/DSM 128GB)
System version	iOS 11	Android 10
Firmware update	iOS 16	Android 13
User Interface	feature not registered	One UI 2.5 / 3.1 / 4.1 / 5.0
⚙️ Processor
	iPhone X (64GB)	Galaxy A51 (SM-A515F/DSM 128GB)
Chipset	64bit: Apple A11 Bionic (10nm)	64bit: Samsung Exynos 9611 (10nm)
CPU	Hexa-core, 2 processors: 2x 2.39GHz Monsoon (Dual-core) 4x 1.6GHz Mistral (Quad-core)	Octa-core, 2 processors: 4x 2.3GHz ARM Cortex-A73 (Quad-core) 4x 1.7GHz ARM Cortex-A53 (Quad-core)
GPU graphical controller	Apple GPU (3-Core)	ARM Mali-G72 MP3 (850MHz)
Performance (benchmark)	AnTuTu: 233100 (v7) Geekbench: 10215 (v4.4) GFXBench: 28fps (ES 3.1 onscreen)	feature not registered
💽 Memory and storage
	iPhone X (64GB)	Galaxy A51 (SM-A515F/DSM 128GB)
RAM memory	3GB LPDDR4X	6GB LPDDR4X
Internal storage	64GB (54GB available) NVMe (SSD)	128GB (107GB available) eMMC 5.1
External storage	Not supported	Until 1TB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	iPhone X (64GB)	Galaxy A51 (SM-A515F/DSM 128GB)
Dual-SIM	Not supported	Dual-SIM Standby - Call active on one sim card (dedicated slot)
SIM card	1 slot (Single-SIM) nano-SIM (4FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	1024/150 Mbps	600/150 Mbps
Network technology	2G, 3G, 4G	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	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 Cat12/13 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE
Primary 5G network	Not supported	Not supported
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
Secondary 2G network	Not supported	GSM 850/900/1800/1900
Secondary 3G network	Not supported	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	Not supported	GPRS, EDGE
📷 Camera
	iPhone X (64GB)	Galaxy A51 (SM-A515F/DSM 128GB)
Back camera (main camera)	(dual camera) 12 megapixels 12MP telephoto f/2.41/3.4"52mm1.0µm2x-optical-zoomOISPDAF	(quad camera) 48 megapixels 12MP ultrawide f/2.213mm1.12µm 5MP telephoto f/2.440mm 5MP depth f/2.21/5.0"1.12µm
Main camera resolution	4000x3000 pixels	8000x6000 pixels
Video recording (primary)	4K UHD (3840x2160) 60 fps	4K UHD (3840x2160) 30 fps
Flash	Quad-LED flash	LED flash
Focal aperture	f/1.8 (aperture)	f/2.0 (aperture)
Focal length	28mm lens	26mm lens
Sensor size	1/3" inches	1/2" inches
Pixel size	1.22µm 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	Digital and optical zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Supported	Not supported
HDR	HDR photo/video on both cameras	HDR photo on both cameras
Camera extras	1080p@240fps	feature not registered
📸 Front camera
	iPhone X (64GB)	Galaxy A51 (SM-A515F/DSM 128GB)
Front camera (secondary)	7.1 megapixels	32 megapixels
Front camera resolution	3072x2304 pixels	6528x4896 pixels
Video recording (secondary)	Full HD (1920x1080)	4K UHD (3840x2160)
Front flash	Not supported	Not supported
Focal aperture	f/2.2 (aperture)	f/2.2 (aperture)
Focal length	32mm lens	26mm lens
Sensor size	feature not registered	1/2.8" inches
Pixel size	feature not registered	0.8µm pixel
🔉 Sound and multimedia
	iPhone X (64GB)	Galaxy A51 (SM-A515F/DSM 128GB)
Loudspeaker	Stereo sound	Supported
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	Not supported	FM (RDS)
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 (64GB)	Galaxy A51 (SM-A515F/DSM 128GB)
USB	USB 2.0 proprietary connector	USB 2.0 Type-C, USB OTG On-The-Go
Audio output	proprietary audio output	3.5mm jack
TV output	Proprietary TV-out	Not supported
Bluetooth	5.0 + A2DP/LE	5.0 + A2DP/LE
WiFi	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi 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, QZSS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Supported	Not supported
Infrared port	Not supported	Not supported
🧭 Sensors
	iPhone X (64GB)	Galaxy A51 (SM-A515F/DSM 128GB)
Sensors	Accelerometer Ambient light sensor Barometer Compass Face unlock Gyroscope Proximity sensor	Accelerometer Ambient light sensor ANT+ Compass Face unlock Fingerprint sensor (under display) Gyroscope Hall effect Virtual proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	iPhone X (64GB)	Galaxy A51 (SM-A515F/DSM 128GB)
Battery type	Li-Ion: lithium-ion (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	2716 mAh	4000 mAh
Charger, watts	15W Wired fast charging USB Power Delivery 2.0	15W Wired fast charging
Inductive / wireless charging	5W Qi wireless charging	Not supported
Talk time autonomy	21 hours	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	iPhone X (64GB)	Galaxy A51 (SM-A515F/DSM 128GB)
Call control	Voice dialing, Voice recorder, Voice commands	Voice dialing, Voice recorder
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 • Face ID • Apple Pay • AirDrop, iCloud, FaceTime, Siri • Lightning to 3.5mm headphone jack adapter included • Fast battery charging: 50% in 30min • 5W charger is included	• Colors: Prism, Crush Black, White, Blue, Pink
☢️ Radiation rate
	iPhone X (64GB)	Galaxy A51 (SM-A515F/DSM 128GB)
SAR 1.6W/kg (USA, Mexico, etc.)	1.09W/kg (head), 1.17W/kg (body)	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered	0.369W/kg (head), 1.59W/kg (body)