Xiaomi Redmi 6A (16GB Global) vs HMD XR21

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Side by side comparison between Xiaomi Redmi 6A 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 Redmi 6A (16GB Global) 03Points

Specifications Compare Models Pictures

5.45"
IPS

720x1440

13
MP

5mp

2GB
RAM

Quad-core

3000
mAh

(Non removable)

28Points HMD XR21 Compare Xiaomi Redmi 6A 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!

3 Advantages Xiaomi Redmi 6A (16GB Global)	vs	28 Advantages HMD XR21
+Until 256GB microSD, microSDXCAdvantage More external storage for files using memory cards	vs	Not supported
+145 grams (5.08 ounces)59% Lighter	vs	231 grams (8.09 ounces)
+8.3 millimeters (0.33 inches)26% Thinner	vs	10.45 millimeters (0.41 inches)
2GHz 64bit Quad-core	vs	+2.2GHz 64bit Octa-core (6nm)39% More powerful processor, you can open your applications faster
2GB LPDDR3	vs	+6GB LPDDR4X2 times More RAM memory. Typically more responsive and better for multitasking.
16GB (10GB available)	vs	+128GB (101GB available)9 times More internal storage for applications and files
eMMC 5.1	vs	+UFS 2.2Advantage Fastest write and read storage.
720x1440 pixels	vs	+1080x2400 pixels150% Higher resolution screen
295 PPI	vs	+406 PPI38% Crisper display of text, images and videos because it has more pixels per inch (ppi)
5.45"	vs	+6.49"19% Larger screen
(back) 13MP	vs	+(dual camera) 64MP + 8MP5 times Higher resolution main camera
LED flash	vs	+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light
EIS: Digital stabilization	vs	+OIS: Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video
Not supported	vs	+BSI sensorAdvantage The BSI sensor allows the entry of more light generating photos with more detail and brightness
f/2.2 (aperture)	vs	+f/1.8 (aperture)22% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 5MP	vs	+(front) 16MP2 times Higher resolution secondary camera to take pictures and selfies
Android 8.1 Oreo	vs	+Android 14Advantage Android 14 is newer and safer
4G LTE	vs	+5G SA/NSAAdvantage The 5G SA/NSA network is newer and faster
(4G LTE) 150 Mbps	vs	+(5G SA/NSA) 2000 Mbps12 times Faster for surfing the internet and download files
Not supported	vs	+BarometerAdvantage Sensors help you use the device
Not supported	vs	+Fingerprint sensor (side-mounted)Advantage Sensors help you use the device
Not supported	vs	+GyroscopeAdvantage Sensors help you use the device
3000 mAh	vs	+4800 mAh60% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
5W	vs	+33W6 times 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.
2 slots (Dual-SIM) (dedicated slot)	vs	+2 slots (Dual-SIM) + e-SIM (Eletronic)Advantage You can have more mobile carriers/operators on the same device.
802.11 b/g/n [wifi4]	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
4.2 + A2DP	vs	+5.1 + A2DP/LEAdvantage Bluetooth 5.1 + A2DP/LE is newer and faster
Not supported	vs	+NFCAdvantage NFC allows you to make payments by approach quickly and securely
MicroUSB 2.0, USB OTG On-The-Go	vs	+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.
Not supported	vs	+Gorilla Glass VictusAdvantage Protection against scratches on the screen lets you carry your phone with your keys
Not supported	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

Plastic body, glass front

TFT IPS LCD

16 million

Only digital zoom

PDAF: phase detection autofocus

HDR photo on both cameras

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
	Redmi 6A (16GB Global)	HMD XR21
Change model
Model	Redmi 6A (16GB Global)	HMD XR21
Other model names	Xiaomi Redmi 6A Global 2GB RAM + 16GB, Xiaomi Cactus	HMD XR21 TA-1592
Country or region available	(Global, International), (Europe), India	(Global, International)
Brand	Xiaomi	HMD
Release date	6/1/2018	5/1/2024, Announced: 5/14/2024
Depth	8.3 millimeters (0.33 inches)	10.45 millimeters (0.41 inches)
Size (width x height)	71.5 x 147.5 millimeters (2.81 x 5.81 in)	78.58 x 168 millimeters (3.09 x 6.61 in)
Weight	145 grams (5.08 ounces)	231 grams (8.09 ounces)
Build, materials	Plastic body, glass front	Plastic body, glass front
Protection against water and others	Not supported	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
	Redmi 6A (16GB Global)	HMD XR21
Display type	TFT IPS LCD	TFT IPS LCD
Screen size	5.45" inches	6.49" inches
Screen-to-body ratio	~72.7% (screen-to-body ratio)	~77% (screen-to-body ratio)
Display resolution	720x1440 pixels	1080x2400 pixels (20:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	295 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
	Redmi 6A (16GB Global)	HMD XR21
System version	Android 8.1 Oreo	Android 13
Firmware update	feature not registered	Android 14
User Interface	feature not registered	feature not registered
⚙️ Processor
	Redmi 6A (16GB Global)	HMD XR21
Chipset	64bit: MediaTek MT6762M Helio A22 (12nm)	64bit: Qualcomm Snapdragon 695 (SM6375) (6nm)
CPU	Quad-core, 1 processor: 4x 2GHz ARM Cortex-A53 (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	PowerVR GE8300	Qualcomm Adreno 619 (840MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Redmi 6A (16GB Global)	HMD XR21
RAM memory	2GB LPDDR3	6GB LPDDR4X
Internal storage	16GB (10GB available) eMMC 5.1	128GB (101GB available) UFS 2.2
External storage	Until 256GB microSD, microSDXC (dedicated slot)	Not supported
📶 Mobile networks
	Redmi 6A (16GB Global)	HMD XR21
Dual-SIM	Dual-SIM Standby - Call active on one sim card (dedicated slot)	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	150/50 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	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Primary 3G network	M1804C3CG version: UMTS 850/900/1900/2100 M1804C3CH version: UMTS 850/900/1700/1900/2100	UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat4 VoLTE M1804C3CG version: LTE (Bands 1,2,3,4,5,7,8,20) TD-LTE (Bands 38,40) M1804C3CH version: LTE (Bands 1,2,3,4,5,7,8,28) TD-LTE (Bands 38,40)	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, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE	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	M1804C3CG version: UMTS 850/900/1900/2100 M1804C3CH version: UMTS 850/900/1700/1900/2100	UMTS 850/900/1700/1900/2100
Secondary 4G network	LTE Cat4 VoLTE M1804C3CG version: LTE (Bands 1,2,3,4,5,7,8,20) TD-LTE (Bands 38,40) M1804C3CH version: LTE (Bands 1,2,3,4,5,7,8,28) TD-LTE (Bands 38,40)	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, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA
📷 Camera
	Redmi 6A (16GB Global)	HMD XR21
Back camera (main camera)	13 megapixels	(dual camera) 64 megapixels 8MP ultrawide f/2.21/4"1.12µm
Main camera resolution	4128x3096 pixels	10120x6328 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	Full HD (1920x1080) 30 fps
Flash	LED flash	Dual-LED flash
Focal aperture	f/2.2 (aperture)	f/1.8 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	1/2" inches
Pixel size	feature not registered	feature not registered
Autofocus	PDAF: phase detection autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	OIS: Optical stabilization
Zoom	Only digital zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Not supported	Supported
HDR	HDR photo on both cameras	HDR photo on both cameras
Camera extras	feature not registered	1080p@30fps
📸 Front camera
	Redmi 6A (16GB Global)	HMD XR21
Front camera (secondary)	5 megapixels	16 megapixels
Front camera resolution	2560x1920 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	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
	Redmi 6A (16GB Global)	HMD XR21
Loudspeaker	Supported	Stereo sound with dual speakers
Active noise cancellation	2 microphones or more	2 microphones
Radio	FM	FM
TV	Not supported	Not supported
Video formats	MP4, H.264, H.263, XviD	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, OGG, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Redmi 6A (16GB Global)	HMD XR21
USB	MicroUSB 2.0, USB OTG On-The-Go	USB 2.0 Type-C, USB OTG On-The-Go
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	USB Type-C (reversible)
Bluetooth	4.2 + A2DP	5.1 + A2DP/LE
WiFi	802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, 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, BeiDou	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, NavIC
NFC	Not supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Redmi 6A (16GB Global)	HMD XR21
Sensors	Accelerometer Ambient light sensor Compass Face unlock 2D Proximity sensor	Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Redmi 6A (16GB Global)	HMD XR21
Battery type	Li-Ion: lithium-ion (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	3000 mAh	4800 mAh
Charger, watts	5W (5V/1A) 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
	Redmi 6A (16GB Global)	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: Black, Grey, Blue, Gold, Rose Gold • 2.5D curved glass screen • 18:9 screen • MIUI 9	• Colors: Midnight Black
☢️ Radiation rate
	Redmi 6A (16GB Global)	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