HMD XR21 vs HTC Windows Phone 8X (C620E)

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Side by side comparison between HMD XR21 vs HTC Windows Phone 8X 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 HTC Windows Phone 8X X HMD XR21 24Points

Specifications Compare Models Pictures

6.49"
IPS

1080x2400

64
MP

16mp

6GB
RAM

Octa-core

4800
mAh

(Non removable)

02Points HTC Windows Phone 8X (C620E) Compare HMD XR21 X

Specifications Compare Models Pictures

4.3"
SLCD2

720x1280

8
MP

2.1mp

1GB
RAM

Dual-core

1800
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!

24 Advantages HMD XR21	vs	2 Advantages HTC Windows Phone 8X (C620E)
+2.2GHz 64bit Octa-core (6nm)128% More powerful processor, you can open your applications faster	vs	1.5GHz 32bit Dual-core
+6GB LPDDR4X5 times More RAM memory. Typically more responsive and better for multitasking.	vs	1GB LPDDR2
+128GB (101GB available)5 times More internal storage for applications and files	vs	16GB
+TFT IPS LCDAdvantage TFT IPS LCD display is brighter and more vivid	vs	TFT Super LCD 2
+1080x2400 pixels181% Higher resolution screen	vs	720x1280 pixels
+406 PPI19% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	342 PPI
+6.49"51% Larger screen	vs	4.3"
+(dual camera) 64MP + 8MP8 times Higher resolution main camera	vs	(back) 8MP
+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light	vs	LED flash
+(front) 16MP7 times Higher resolution secondary camera to take pictures and selfies	vs	(front) 2.1MP
+3500000 apps (Google Play Store)4 times More apps available to download and use	vs	700000 apps (Marketplace)
+5G SA/NSAAdvantage The 5G SA/NSA network is newer and faster	vs	3G+ HSPA+
+(5G SA/NSA) 2000 Mbps47 times Faster for surfing the internet and download files	vs	(3G+ HSPA+) 42 Mbps
+BarometerAdvantage Sensors help you use the device	vs	Not supported
+Face unlock 2DAdvantage Sensors help you use the device	vs	Not supported
+Fingerprint sensor (side-mounted)Advantage Sensors help you use the device	vs	Not supported
+GyroscopeAdvantage Sensors help you use the device	vs	Not supported
+4800 mAh167% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	1800 mAh
+2 slots (Dual-SIM) + e-SIM (Eletronic)Advantage You can have more mobile carriers/operators on the same device.	vs	1 slot (Single-SIM)
+FMAdvantage The radio lets you listen to your songs and sports in general	vs	Not supported
+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 [wifi4]
+5.1 + A2DP/LEAdvantage Bluetooth 5.1 + A2DP/LE is newer and faster	vs	3.1 + A2DP
+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.	vs	MicroUSB 2.0
+IP68/IP69K certified, MIL-STD-810G military certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example	vs	Not supported
231 grams (8.09 ounces)	vs	+130 grams (4.55 ounces)78% Lighter
10.45 millimeters (0.41 inches)	vs	+10.12 millimeters (0.4 inches)3% Thinner

21 Common items in both devices

16 million

Only digital zoom

PDAF: phase detection autofocus / Autofocus

Full HD (1920x1080)

(front) Full HD (1920x1080)

Capacitive

Multitouch

+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
	HMD XR21	HTC Windows Phone 8X (C620E)
Change model		Choose the model
Model	HMD XR21	Windows Phone 8X (C620E)
Other model names	HMD XR21 TA-1592	HTC Windows Phone 8X C620E, HTC Accord
Country or region available	(Global, International)	feature not registered
Brand	HMD	HTC
Release date	5/1/2024, Announced: 5/14/2024	11/1/2012
Depth	10.45 millimeters (0.41 inches)	10.12 millimeters (0.4 inches)
Size (width x height)	78.58 x 168 millimeters (3.09 x 6.61 in)	66.2 x 132.4 millimeters (2.61 x 5.21 in)
Weight	231 grams (8.09 ounces)	130 grams (4.55 ounces)
Build, materials	Plastic body, glass front	feature not registered
Protection against water and others	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.	Not supported
📲 Display
	HMD XR21	HTC Windows Phone 8X (C620E)
Display type	TFT IPS LCD	TFT Super LCD 2
Screen size	6.49" inches	4.3" inches
Screen-to-body ratio	~77% (screen-to-body ratio)	~58.2% (screen-to-body ratio)
Display resolution	1080x2400 pixels (20:9)	720x1280 pixels
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	406 PPI	342 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass Victus	Gorilla Glass 2
Refresh rate	120Hz	feature not registered
Display features	450nits[typ], 550nits[peak]	feature not registered
🤖 Operating System
	HMD XR21	HTC Windows Phone 8X (C620E)
System version	Android 13	Windows Phone 8.0 Apollo
Firmware update	Android 14	feature not registered
User Interface	feature not registered	feature not registered
⚙️ Processor
	HMD XR21	HTC Windows Phone 8X (C620E)
Chipset	64bit: Qualcomm Snapdragon 695 (SM6375) (6nm)	32bit: Qualcomm Snapdragon S4 Plus MSM8960
CPU	Octa-core, 2 processors: 2x 2.2GHz Kryo 660 Gold (Dual-core) 6x 1.7GHz Kryo 660 Silver (Hexa-core)	Dual-core, 1 processor: 2x 1.5GHz Krait (Dual-core)
GPU graphical controller	Qualcomm Adreno 619 (840MHz)	Qualcomm Adreno 225
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	HMD XR21	HTC Windows Phone 8X (C620E)
RAM memory	6GB LPDDR4X	1GB LPDDR2
Internal storage	128GB (101GB available) UFS 2.2	16GB
External storage	Not supported	Not supported
📶 Mobile networks
	HMD XR21	HTC Windows Phone 8X (C620E)
Dual-SIM	Dual-SIM Standby - Call active on one sim card	Not supported
SIM card	2 slots (Dual-SIM) nano-SIM (4FF) + e-SIM	1 slot (Single-SIM) micro-SIM (3FF)
Maximum Download / Upload	2000/1024 Mbps	42/5.76 Mbps
Network technology	2G, 3G, 4G, 5G	2G, 3G
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	CDMA 800/1900, GSM 850/900/1800/1900
Primary 3G network	UMTS 850/900/1700/1900/2100	CDMA2000 1xEV-DO, UMTS 850/900/1900/2100
Primary 4G network	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	Not supported
Primary 5G network	SA/NSA (1, 2, 3, 5, 7, 8, 20, 25, 28, 38, 40, 41, 48, 66, 71, 77, 78, 79)	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA	GPRS, EDGE, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+
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 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	Not supported
Secondary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA	Not supported
📷 Camera
	HMD XR21	HTC Windows Phone 8X (C620E)
Back camera (main camera)	(dual camera) 64 megapixels 8MP ultrawide f/2.21/4"1.12µm	8 megapixels
Main camera resolution	10120x6328 pixels	3264x2448 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	Full HD (1920x1080) 30 fps
Flash	Dual-LED flash	LED flash
Focal aperture	f/1.8 (aperture)	feature not registered
Focal length	feature not registered	feature not registered
Sensor size	1/2" inches	feature not registered
Pixel size	feature not registered	feature not registered
Autofocus	PDAF: phase detection autofocus	Autofocus
Touch focus	Supported	feature not registered
Image stabilization	OIS: Optical stabilization	feature not registered
Zoom	Only digital zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection
BSI sensor	Supported	feature not registered
HDR	HDR photo on both cameras	feature not registered
Camera extras	1080p@30fps	feature not registered
📸 Front camera
	HMD XR21	HTC Windows Phone 8X (C620E)
Front camera (secondary)	16 megapixels	2.1 megapixels
Front camera resolution	4608x3456 pixels	1920x1080 pixels
Video recording (secondary)	Full HD (1920x1080)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	feature not registered	feature not registered
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	feature not registered
Pixel size	feature not registered	feature not registered
🔉 Sound and multimedia
	HMD XR21	HTC Windows Phone 8X (C620E)
Loudspeaker	Stereo sound with dual speakers	Supported
Active noise cancellation	2 microphones	feature not registered
Radio	FM	Not supported
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, XviD, MKV	MP4, WMV, H.264, H.263
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+
🔌 Connectivity
	HMD XR21	HTC Windows Phone 8X (C620E)
USB	USB 2.0 Type-C, USB OTG On-The-Go	MicroUSB 2.0
Audio output	3.5mm jack	3.5mm jack
TV output	USB Type-C (reversible)	Not supported
Bluetooth	5.1 + A2DP/LE	3.1 + A2DP
WiFi	802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot	802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz)
DLNA	Not supported	feature not registered
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, NavIC	A-GPS, GeoTagging, GLONASS
NFC	Supported	Supported
Infrared port	Not supported	feature not registered
🧭 Sensors
	HMD XR21	HTC Windows Phone 8X (C620E)
Sensors	Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Proximity sensor	Accelerometer Ambient light sensor Compass Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	HMD XR21	HTC Windows Phone 8X (C620E)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	4800 mAh	1800 mAh
Charger, watts	33W Wired fast charging Reverse charging by cable Quick Charge 3 USB Power Delivery 2.0	Wired charging
Inductive / wireless charging	Not supported	feature not registered
Talk time autonomy	48 hours (2 days)	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	HMD XR21	HTC Windows Phone 8X (C620E)
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: Midnight Black	• Colors: California Blue, Graphite Black, Flame Red, Limelight Yellow • Studio-quality sound with Beats Audio built in • Noise reduction • DLNA • Dual-mode CDMA/GSM phone
☢️ Radiation rate
	HMD XR21	HTC Windows Phone 8X (C620E)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered	feature not registered

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HMD XR21 vs HTC Windows Phone 8X (C620E)

Side by side comparison between HMD XR21 vs HTC Windows Phone 8X 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