HMD XR21 vs Samsung Galaxy A15 (SM-A155M/DSN 256GB)

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Side by side comparison between HMD XR21 vs Samsung Galaxy A15 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 Samsung Galaxy A15 X HMD XR21 19Points

Specifications Compare Models Pictures

6.49"
IPS

1080x2400

64
MP

16mp

6GB
RAM

Octa-core

4800
mAh

(Non removable)

11Points Samsung Galaxy A15 (SM-A155M/DSN 256GB) Compare HMD XR21 X

Specifications Compare Models Pictures

6.5"
AMOLED

1080x2340

50
MP

13mp

8GB
RAM

Octa-core

5000
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!

19 Advantages HMD XR21	vs	11 Advantages Samsung Galaxy A15 (SM-A155M/DSN 256GB)
+UFS 2.2Advantage Fastest write and read storage.	vs	eMMC 5.1
+120Hz33% The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.	vs	90Hz
+1080x2400 pixels3% Higher resolution screen	vs	1080x2340 pixels
+406 PPI3% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	396 PPI
+(dual camera) 64MP + 8MP27% Higher resolution main camera	vs	(triple camera) 50MP + 5MP + 2MP
+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light	vs	LED flash
+OIS: Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video	vs	EIS: Digital stabilization
+(front) 16MP25% Higher resolution secondary camera to take pictures and selfies	vs	(front) 13MP
+5G SA/NSAAdvantage The 5G SA/NSA network is newer and faster	vs	4G LTE-A
+(5G SA/NSA) 2000 Mbps6 times Faster for surfing the internet and download files	vs	(4G LTE-A) 300 Mbps
+BarometerAdvantage Sensors help you use the device	vs	Not supported
+GyroscopeAdvantage Sensors help you use the device	vs	Not supported
+Proximity sensorAdvantage Sensors help you use the device	vs	Virtual proximity sensor
+33W32% 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.	vs	25W
+2 slots (Dual-SIM) + e-SIM (Eletronic)Advantage You can have more mobile carriers/operators on the same device.	vs	2 slots (Dual-SIM) (hybrid slot/shares the same microSD slot)
+Stereo sound with dual speakersAdvantage Better sound quality for listening to music or clearer hands-free calls	vs	Mono sound (not stereo)
+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/ac [wifi5]
+Gorilla Glass VictusAdvantage Protection against scratches on the screen lets you carry your phone with your keys	vs	Not supported
+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
2.2GHz 64bit Octa-core (6nm)	vs	+2.2GHz 64bit Octa-core (6nm)3% More powerful processor, you can open your applications faster
6GB LPDDR4X	vs	+8GB LPDDR4X33% More RAM memory. Typically more responsive and better for multitasking.
128GB (101GB available)	vs	+256GB (236GB available)134% More internal storage for applications and files
Not supported	vs	+Until 1TB microSD, microSDXCAdvantage More external storage for files using memory cards
231 grams (8.09 ounces)	vs	+200 grams (7 ounces)16% Lighter
10.45 millimeters (0.41 inches)	vs	+8.4 millimeters (0.33 inches)24% Thinner
TFT IPS LCD	vs	+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid
6.49"	vs	+6.5"1% Larger screen
Android 14	vs	+Android 15Advantage Android 15 is newer and safer
4800 mAh	vs	+5000 mAh4% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
5.1 + A2DP/LE	vs	+5.3 + A2DP/LEAdvantage Bluetooth 5.3 + A2DP/LE is newer and faster

27 Common items in both devices

Plastic body, glass front

16 million

Only digital zoom

PDAF: phase detection autofocus / Autofocus

BSI sensor

HDR photo on both cameras

f/1.8 (aperture)

+20 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	Galaxy A15 (SM-A155M/DSN 256GB)
Change model		Choose the model
Model	HMD XR21	Galaxy A15 (SM-A155M/DSN 256GB)
Other model names	HMD XR21 TA-1592	Galaxy A15 4G LTE SM-A155M/Dual-SIM NFC
Country or region available	(Global, International)	(Latin America), Bolivia, Brazil, Colombia
Brand	HMD	Samsung
Release date	5/1/2024, Announced: 5/14/2024	12/16/2023, Announced: 12/11/2023
Depth	10.45 millimeters (0.41 inches)	8.4 millimeters (0.33 inches)
Size (width x height)	78.58 x 168 millimeters (3.09 x 6.61 in)	76.8 x 160.1 millimeters (3.02 x 6.3 in)
Weight	231 grams (8.09 ounces)	200 grams (7 ounces)
Build, materials	Plastic body, glass front	Plastic body, glass front
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	Galaxy A15 (SM-A155M/DSN 256GB)
Display type	TFT IPS LCD	Super AMOLED
Screen size	6.49" inches	6.5" inches
Screen-to-body ratio	~77% (screen-to-body ratio)	~84.3% (screen-to-body ratio)
Display resolution	1080x2400 pixels (20:9)	1080x2340 pixels (19.5:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	406 PPI	396 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass Victus	Not supported
Refresh rate	120Hz	90Hz
Display features	450nits[typ], 550nits[peak]	800nits[peak]
🤖 Operating System
	HMD XR21	Galaxy A15 (SM-A155M/DSN 256GB)
System version	Android 13	Android 14
Firmware update	Android 14	Android 15
User Interface	feature not registered	One UI 6.1 / 7.0
⚙️ Processor
	HMD XR21	Galaxy A15 (SM-A155M/DSN 256GB)
Chipset	64bit: Qualcomm Snapdragon 695 (SM6375) (6nm)	64bit: MediaTek Helio G99 (6nm)
CPU	Octa-core, 2 processors: 2x 2.2GHz Kryo 660 Gold (Dual-core) 6x 1.7GHz Kryo 660 Silver (Hexa-core)	Octa-core, 2 processors: 2x 2.2GHz ARM Cortex-A76 (Dual-core) 6x 2GHz ARM Cortex-A55 (Hexa-core)
GPU graphical controller	Qualcomm Adreno 619 (840MHz)	ARM Mali-G57 MC2
Performance (benchmark)	feature not registered	AnTuTu: 317085 (v9), 375321 (v10) Geekbench: 1928 (v5), 1936 (v6)
💽 Memory and storage
	HMD XR21	Galaxy A15 (SM-A155M/DSN 256GB)
RAM memory	6GB LPDDR4X	8GB LPDDR4X
Internal storage	128GB (101GB available) UFS 2.2	256GB (236GB available) eMMC 5.1
External storage	Not supported	Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)
📶 Mobile networks
	HMD XR21	Galaxy A15 (SM-A155M/DSN 256GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card	Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot)
SIM card	2 slots (Dual-SIM) nano-SIM (4FF) + e-SIM	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	2000/1024 Mbps	300/150 Mbps
Network technology	2G, 3G, 4G, 5G	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	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Primary 3G network	UMTS 850/900/1700/1900/2100	UMTS 850/900/1700/1900/2100
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	LTE Cat7 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE
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, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Secondary 3G network	UMTS 850/900/1700/1900/2100	UMTS 850/900/1700/1900/2100
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	LTE Cat7 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE
Secondary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
📷 Camera
	HMD XR21	Galaxy A15 (SM-A155M/DSN 256GB)
Back camera (main camera)	(dual camera) 64 megapixels 8MP ultrawide f/2.21/4"1.12µm	(triple camera) 50 megapixels 5MP ultrawide f/2.2 2MP macro f/2.4
Main camera resolution	10120x6328 pixels	8160x6120 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)	f/1.8 (aperture)
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	Supported
Image stabilization	OIS: Optical stabilization	EIS: Digital stabilization
Zoom	Only digital 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	1080p@30fps	1080p@30fps 720p@120fps (slow motion)
📸 Front camera
	HMD XR21	Galaxy A15 (SM-A155M/DSN 256GB)
Front camera (secondary)	16 megapixels	13 megapixels
Front camera resolution	4608x3456 pixels	4128x3096 pixels
Video recording (secondary)	Full HD (1920x1080)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	feature not registered	f/2.0 (aperture)
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	Galaxy A15 (SM-A155M/DSN 256GB)
Loudspeaker	Stereo sound with dual speakers	Mono sound (not stereo)
Active noise cancellation	2 microphones	2 microphones
Radio	FM	FM (RDS)
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, XviD, MKV	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	HMD XR21	Galaxy A15 (SM-A155M/DSN 256GB)
USB	USB 2.0 Type-C, 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	USB Type-C (reversible)	USB Type-C (reversible)
Bluetooth	5.1 + A2DP/LE	5.3 + A2DP/LE
WiFi	802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, 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, BeiDou, NavIC	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS
NFC	Supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	HMD XR21	Galaxy A15 (SM-A155M/DSN 256GB)
Sensors	Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (side-mounted) Virtual proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	HMD XR21	Galaxy A15 (SM-A155M/DSN 256GB)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	4800 mAh	5000 mAh
Charger, watts	33W Wired fast charging Reverse charging by cable Quick Charge 3 USB Power Delivery 2.0	25W Wired fast charging
Inductive / wireless charging	Not supported	Not supported
Talk time autonomy	48 hours (2 days)	51 hours (2.1 days)
Standby	feature not registered	feature not registered
➕ Other features
	HMD XR21	Galaxy A15 (SM-A155M/DSN 256GB)
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: Brave Black, Optimistic Blue, Magical Blue, Personality Yellow
☢️ Radiation rate
	HMD XR21	Galaxy A15 (SM-A155M/DSN 256GB)
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