Apple iPhone X (256GB) vs HMD XR21

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Side by side comparison between Apple iPhone X vs HMD XR21 phones, differences, pros, cons and full specifications. What's the better?

2/2/2026 5:48 PM, updated: 2/2/2026 6:11 PM

Compare HMD XR21 X Apple iPhone X (256GB) 15Points

Specifications Compare Models Pictures

5.8"
AMOLED

1125x2436

12
MP

7.1mp

3GB
RAM

Hexa-core

2716
mAh

(Non removable)

20Points HMD XR21 Compare Apple iPhone X X

Specifications Compare Models Pictures

6.49"
IPS

1080x2400

64
MP

16mp

6GB
RAM

Octa-core

4800
mAh

(Non removable)

What's the better phone? HMD XR21

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!

15 Advantages Apple iPhone X (256GB)	vs	20 Advantages HMD XR21
+256GB (245GB available)143% More internal storage for applications and files	vs	128GB (101GB available)
+NVMe (SSD)Advantage Fastest write and read storage.	vs	UFS 2.2
+174 grams (6.09 ounces)33% Lighter	vs	231 grams (8.09 ounces)
+7.7 millimeters (0.3 inches)36% Thinner	vs	10.45 millimeters (0.41 inches)
+Stainless steel body, glass front/backAdvantage More resistant material	vs	Plastic body, glass front
+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid	vs	TFT IPS LCD
+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	406 PPI
+Quad-LED flashAdvantage The Quad-LED flash helps in dark places or in low light	vs	Dual-LED flash
+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures	vs	Only digital zoom
+4K UHD (3840x2160)3 times More image quality for recording videos with the primary camera	vs	Full HD (1920x1080)
+Face unlock 3DAdvantage Sensors help you use the device	vs	Face unlock 2D
+Qi wireless chargingAdvantage Wireless charging is another way to charge the battery.	vs	Not supported
+3 microphones50% More noise-canceling microphones allow for better quality in calls and audio for recorded videos	vs	2 microphones
2.39GHz 64bit Hexa-core (10nm)	vs	+2.2GHz 64bit Octa-core (6nm)25% More powerful processor, you can open your applications faster
3GB LPDDR4X	vs	+6GB LPDDR4X100% More RAM memory. Typically more responsive and better for multitasking.
60Hz	vs	+120Hz100% The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.
5.8"	vs	+6.49"12% Larger screen
(dual camera) 12MP + 12MP	vs	+(dual camera) 64MP + 8MP2 times 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) 16MP125% Higher resolution secondary camera to take pictures and selfies
2300000 apps (App Store)	vs	+3500000 apps (Google Play Store)52% More apps available to download and use
4G LTE-A	vs	+5G SA/NSAAdvantage The 5G SA/NSA network is newer and faster
(4G LTE-A) 1024 Mbps	vs	+(5G SA/NSA) 2000 Mbps95% 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	+4800 mAh77% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
15W	vs	+33W120% 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	+2 slots (Dual-SIM) + e-SIM (Eletronic)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	+FMAdvantage The radio lets you listen to your songs and sports in general
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
5.0 + A2DP/LE	vs	+5.1 + A2DP/LEAdvantage Bluetooth 5.1 + 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.
IP67 certified	vs	+IP68/IP69K certified, MIL-STD-810G military certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example

25 Common items in both devices

16 million

PDAF: phase detection autofocus

OIS: Optical stabilization

BSI sensor

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

f/1.8 (aperture)

(front) Full HD (1920x1080)

+18 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)	HMD XR21
Change model
Model	iPhone X (256GB)	HMD XR21
Other model names	iPhone 10, iPhone Ten A1865, A1901, A1902	HMD XR21 TA-1592
Country or region available	(Global, International)	(Global, International)
Brand	Apple	HMD
Release date	11/3/2017, Announced: 9/12/2017	5/1/2024, Announced: 5/14/2024
Depth	7.7 millimeters (0.3 inches)	10.45 millimeters (0.41 inches)
Size (width x height)	70.9 x 143.6 millimeters (2.79 x 5.65 in)	78.58 x 168 millimeters (3.09 x 6.61 in)
Weight	174 grams (6.09 ounces)	231 grams (8.09 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	IP68/IP69K certified: water-resistant up to 1.5 meters for 30min, dust-resistant, plus high-pressure and steam-washable. MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant.
📲 Display
	iPhone X (256GB)	HMD XR21
Display type	Super AMOLED	TFT IPS LCD
Screen size	5.8" inches	6.49" inches
Screen-to-body ratio	~81.1% (screen-to-body ratio)	~77% (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	406 PPI
Colors	16 million	16 million
Scratch-resistant glass	Scratch-resistant glass	Gorilla Glass Victus
Refresh rate	60Hz	120Hz
Display features	625nits[typ] Dolby Vision/HDR10 Oleophobic coating screen	450nits[typ], 550nits[peak]
🤖 Operating System
	iPhone X (256GB)	HMD XR21
System version	iOS 11	Android 13
Firmware update	iOS 16	Android 14
User Interface	feature not registered	feature not registered
⚙️ Processor
	iPhone X (256GB)	HMD XR21
Chipset	64bit: Apple A11 Bionic (10nm)	64bit: Qualcomm Snapdragon 695 (SM6375) (6nm)
CPU	Hexa-core, 2 processors: 2x 2.39GHz Monsoon (Dual-core) 4x 1.6GHz Mistral (Quad-core)	Octa-core, 2 processors: 2x 2.2GHz Kryo 660 Gold (Dual-core) 6x 1.7GHz Kryo 660 Silver (Hexa-core)
GPU graphical controller	Apple GPU (3-Core)	Qualcomm Adreno 619 (840MHz)
Performance (benchmark)	AnTuTu: 233100 (v7) Geekbench: 10215 (v4.4) GFXBench: 28fps (ES 3.1 onscreen)	feature not registered
💽 Memory and storage
	iPhone X (256GB)	HMD XR21
RAM memory	3GB LPDDR4X	6GB LPDDR4X
Internal storage	256GB (245GB available) NVMe (SSD)	128GB (101GB available) UFS 2.2
External storage	Not supported	Not supported
📶 Mobile networks
	iPhone X (256GB)	HMD XR21
Dual-SIM	Not supported	Dual-SIM Standby - Call active on one sim card
SIM card	1 slot (Single-SIM) nano-SIM (4FF)	2 slots (Dual-SIM) nano-SIM (4FF) + e-SIM
Maximum Download / Upload	1024/150 Mbps	2000/1024 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 Cat15 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 32, 66, 71) TD-LTE (38, 39, 40, 41, 42, 43, 48) VoLTE
Primary 5G network	Not supported	SA/NSA (1, 2, 3, 5, 7, 8, 20, 25, 28, 38, 40, 41, 48, 66, 71, 77, 78, 79)
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
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 Cat15 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 32, 66, 71) TD-LTE (38, 39, 40, 41, 42, 43, 48) VoLTE
Secondary data network	Not supported	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA
📷 Camera
	iPhone X (256GB)	HMD XR21
Back camera (main camera)	(dual camera) 12 megapixels 12MP telephoto f/2.41/3.4"52mm1.0µm2x-optical-zoomOISPDAF	(dual camera) 64 megapixels 8MP ultrawide f/2.21/4"1.12µm
Main camera resolution	4000x3000 pixels	10120x6328 pixels
Video recording (primary)	4K UHD (3840x2160) 60 fps	Full HD (1920x1080) 30 fps
Flash	Quad-LED flash	Dual-LED flash
Focal aperture	f/1.8 (aperture)	f/1.8 (aperture)
Focal length	28mm (lens)	feature not registered
Sensor size	1/3" inches	1/2" inches
Pixel size	1.22µm pixel	feature not registered
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 on both cameras
Camera extras	1080p@240fps	1080p@30fps
📸 Front camera
	iPhone X (256GB)	HMD XR21
Front camera (secondary)	7.1 megapixels	16 megapixels
Front camera resolution	3072x2304 pixels	4608x3456 pixels
Video recording (secondary)	Full HD (1920x1080)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/2.2 (aperture)	feature not registered
Focal length	32mm (lens)	feature not registered
Sensor size	feature not registered	feature not registered
Pixel size	feature not registered	feature not registered
🔉 Sound and multimedia
	iPhone X (256GB)	HMD XR21
Loudspeaker	Stereo sound	Stereo sound with dual speakers
Active noise cancellation	3 microphones	2 microphones
Radio	Not supported	FM
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)	HMD XR21
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	USB Type-C (reversible)
Bluetooth	5.0 + A2DP/LE	5.1 + 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	Not supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, QZSS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, NavIC
NFC	Supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	iPhone X (256GB)	HMD XR21
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 Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	iPhone X (256GB)	HMD XR21
Battery type	Li-Ion: lithium-ion (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	2716 mAh	4800 mAh
Charger, watts	15W Wired fast charging USB Power Delivery 2.0	33W Wired fast charging Reverse charging by cable Quick Charge 3 USB Power Delivery 2.0
Inductive / wireless charging	5W Qi wireless charging	Not supported
Talk time autonomy	21 hours	48 hours (2 days)
Standby	feature not registered	feature not registered
➕ Other features
	iPhone X (256GB)	HMD XR21
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: Midnight Black
☢️ Radiation rate
	iPhone X (256GB)	HMD XR21
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	feature not registered

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Apple iPhone X (256GB) vs HMD XR21

Side by side comparison between Apple iPhone X vs HMD XR21 phones, differences, pros, cons and full specifications. What's the better?

What's the better phone? HMD XR21

📱 Model features

📲 Display

🤖 Operating System

⚙️ Processor

💽 Memory and storage

📶 Mobile networks

📷 Camera

📸 Front camera

🔉 Sound and multimedia

🔌 Connectivity

🧭 Sensors

🔋 Battery

➕ Other features

☢️ Radiation rate