Xiaomi Mi 6 (Ceramic Gold edition) vs HMD XR21

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Side by side comparison between Xiaomi Mi 6 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 Xiaomi Mi 6 (Ceramic Gold edition) 07Points

Specifications Compare Models Pictures

5.15"
IPS

1080x1920

12.2
MP

8mp

6GB
RAM

Octa-core

3350
mAh

(Non removable)

17Points HMD XR21 Compare Xiaomi Mi 6 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!

7 Advantages Xiaomi Mi 6 (Ceramic Gold edition)	vs	17 Advantages HMD XR21
+2.45GHz 64bit Octa-core (10nm)1% More powerful processor, you can open your applications faster	vs	2.2GHz 64bit Octa-core (6nm)
+182 grams (6.37 ounces)27% Lighter	vs	231 grams (8.09 ounces)
+7.5 millimeters (0.3 inches)39% Thinner	vs	10.45 millimeters (0.41 inches)
+428 PPI5% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	406 PPI
+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)
+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.	vs	Not supported
1080x1920 pixels	vs	+1080x2400 pixels25% Higher resolution screen
5.15"	vs	+6.49"26% Larger screen
(dual camera) 12.2MP + 12MP	vs	+(dual camera) 64MP + 8MP198% Higher resolution main camera
1/2.9" inches	vs	+1/2" inches45% The larger sensor camera lets you take photos with better depth.
(front) 8MP	vs	+(front) 16MP99% Higher resolution secondary camera to take pictures and selfies
Android 7.1.1 Nougat	vs	+Android 14Advantage Android 14 is newer and safer
4G LTE-A	vs	+5G SA/NSAAdvantage The 5G SA/NSA network is newer and faster
(4G LTE-A) 450 Mbps	vs	+(5G SA/NSA) 2000 Mbps3 times Faster for surfing the internet and download files
Not supported	vs	+Face unlock 2DAdvantage Sensors help you use the device
3350 mAh	vs	+4800 mAh43% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
2 slots (Dual-SIM)	vs	+2 slots (Dual-SIM) + e-SIM (Eletronic)Advantage You can have more mobile carriers/operators on the same device.
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	+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
Not supported	vs	+Gorilla Glass VictusAdvantage Protection against scratches on the screen lets you carry your phone with your keys
Water splash resistant (don't immerse)	vs	+IP68/IP69K certified, MIL-STD-810G military certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example

29 Common items in both devices

6GB LPDDR4X

128GB (110GB available) / 128GB (101GB available)

TFT IPS LCD

16 million

Dual-LED flash

PDAF: phase detection autofocus

OIS (4-axis): Optical stabilization / OIS: Optical stabilization

+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
	Xiaomi Mi 6 (Ceramic Gold edition)	HMD XR21
Change model
Model	Xiaomi Mi 6 (Ceramic Gold edition)	HMD XR21
Other model names	Xiaomi Mi6 Gold edition 128GB MCE16, Xiaomi Sagit	HMD XR21 TA-1592
Country or region available	China, USA, Hong Kong, Taiwan	(Global, International)
Brand	Xiaomi	HMD
Release date	4/1/2017	5/1/2024, Announced: 5/14/2024
Depth	7.5 millimeters (0.3 inches)	10.45 millimeters (0.41 inches)
Size (width x height)	70.5 x 145.2 millimeters (2.78 x 5.72 in)	78.58 x 168 millimeters (3.09 x 6.61 in)
Weight	182 grams (6.37 ounces)	231 grams (8.09 ounces)
Build, materials	feature not registered	Plastic body, glass front
Protection against water and others	Water splash resistant (don't immerse)	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
	Xiaomi Mi 6 (Ceramic Gold edition)	HMD XR21
Display type	TFT IPS LCD	TFT IPS LCD
Screen size	5.15" inches	6.49" inches
Screen-to-body ratio	~71.4% (screen-to-body ratio)	~77% (screen-to-body ratio)
Display resolution	1080x1920 pixels	1080x2400 pixels (20:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	428 PPI	406 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Gorilla Glass Victus
Refresh rate	feature not registered	120Hz
Display features	feature not registered	450nits[typ], 550nits[peak]
🤖 Operating System
	Xiaomi Mi 6 (Ceramic Gold edition)	HMD XR21
System version	Android 7.1.1 Nougat	Android 13
Firmware update	feature not registered	Android 14
User Interface	feature not registered	feature not registered
⚙️ Processor
	Xiaomi Mi 6 (Ceramic Gold edition)	HMD XR21
Chipset	64bit: Qualcomm Snapdragon 835 (MSM8998) (10nm)	64bit: Qualcomm Snapdragon 695 (SM6375) (6nm)
CPU	Octa-core, 2 processors: 4x 2.45GHz Kryo 280 (Quad-core) 4x 1.9GHz Kryo 280 (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	Qualcomm Adreno 540 (670-710MHz)	Qualcomm Adreno 619 (840MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Xiaomi Mi 6 (Ceramic Gold edition)	HMD XR21
RAM memory	6GB LPDDR4X	6GB LPDDR4X
Internal storage	128GB (110GB available)	128GB (101GB available) UFS 2.2
External storage	Not supported	Not supported
📶 Mobile networks
	Xiaomi Mi 6 (Ceramic Gold edition)	HMD XR21
Dual-SIM	Dual-SIM Standby - Call active on one sim card	Dual-SIM Standby - Call active on one sim card
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	2 slots (Dual-SIM) nano-SIM (4FF) + e-SIM
Maximum Download / Upload	450/50 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, GSM 850/900/1800/1900	GSM 850/900/1800/1900
Primary 3G network	CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100	UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat9 850/900/1800/2100/2600 (Bands 1,3,5,7,8) TD-LTE 1900/2300/2500/2600 (Bands 38,39,40,41)	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	GSM 850/900/1800/1900	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	GPRS, EDGE	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA
📷 Camera
	Xiaomi Mi 6 (Ceramic Gold edition)	HMD XR21
Back camera (main camera)	(dual camera) 12.2 megapixels 12MP f/2.652mm	(dual camera) 64 megapixels 8MP ultrawide f/2.21/4"1.12µm
Main camera resolution	4032x3016 pixels	10120x6328 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	Full HD (1920x1080) 30 fps
Flash	Dual-LED flash	Dual-LED flash
Focal aperture	f/1.8 (aperture)	f/1.8 (aperture)
Focal length	27mm (lens)	feature not registered
Sensor size	1/2.9" inches	1/2" inches
Pixel size	1.25µm pixel	feature not registered
Autofocus	PDAF: phase detection autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	OIS (4-axis): 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 on both cameras	HDR photo on both cameras
Camera extras	feature not registered	1080p@30fps
📸 Front camera
	Xiaomi Mi 6 (Ceramic Gold edition)	HMD XR21
Front camera (secondary)	8 megapixels	16 megapixels
Front camera resolution	3264x2448 pixels	4608x3456 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
	Xiaomi Mi 6 (Ceramic Gold edition)	HMD XR21
Loudspeaker	Supported	Stereo sound with dual speakers
Active noise cancellation	2 microphones or more	2 microphones
Radio	Not supported	FM
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, DivX, XviD	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, OGG, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Xiaomi Mi 6 (Ceramic Gold edition)	HMD XR21
USB	USB 2.0 Type-C reversible connector	USB 2.0 Type-C, USB OTG On-The-Go
Audio output	Type-C reversible connector	3.5mm jack
TV output	Not supported	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 Direct, hotspot	802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, BeiDou	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, NavIC
NFC	Supported	Supported
Infrared port	Supported	Not supported
🧭 Sensors
	Xiaomi Mi 6 (Ceramic Gold edition)	HMD XR21
Sensors	Accelerometer Ambient light sensor Barometer Compass Fingerprint sensor Gyroscope Hall effect Proximity sensor	Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Xiaomi Mi 6 (Ceramic Gold edition)	HMD XR21
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	3350 mAh	4800 mAh
Charger, watts	Wired charging	33W Wired fast charging Reverse charging by cable Quick Charge 3 USB Power Delivery 2.0
Inductive / wireless charging	feature not registered	Not supported
Talk time autonomy	feature not registered	48 hours (2 days)
Standby	feature not registered	feature not registered
➕ Other features
	Xiaomi Mi 6 (Ceramic Gold edition)	HMD XR21
Call control	Voice dialing, Voice recorder	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: Ceramic black • 18-karat gold (camera rims) • USB OTG On-The-Go • MIUI 8.0 • Fast battery charging • Quick Charge 3.0 • VoLTE	• Colors: Midnight Black
☢️ Radiation rate
	Xiaomi Mi 6 (Ceramic Gold edition)	HMD XR21
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