Xiaomi Mi 8 (64GB) vs Samsung Galaxy A55 (SM-A556E/DS 256GB)

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Side by side comparison between Xiaomi Mi 8 vs Samsung Galaxy A55 phones, differences, pros, cons and full specifications. What's the better?

8/6/2024 8:48 PM, updated: 5/20/2025 8:15 AM

Compare Samsung Galaxy A55 X Xiaomi Mi 8 (64GB) 08Points

Specifications Compare Models Pictures

6.21"
AMOLED

1080x2248

12
MP

20mp

6GB
RAM

Octa-core

3400
mAh

(Non removable)

23Points Samsung Galaxy A55 (SM-A556E/DS 256GB) Compare Xiaomi Mi 8 X

Specifications Compare Models Pictures

6.6"
AMOLED

1080x2340

50
MP

32mp

8GB
RAM

Octa-core

5000
mAh

(Non removable)

What's the better phone? Samsung Galaxy A55 (SM-A556E/DS 256GB)

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!

8 Advantages Xiaomi Mi 8 (64GB)	vs	23 Advantages Samsung Galaxy A55 (SM-A556E/DS 256GB)
+175 grams (6.13 ounces)22% Lighter	vs	213 grams (7.46 ounces)
+7.6 millimeters (0.3 inches)8% Thinner	vs	8.2 millimeters (0.32 inches)
+402 PPI3% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	390 PPI
+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light	vs	LED flash
+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures	vs	Only digital zoom
+BarometerAdvantage Sensors help you use the device	vs	Not supported
+Proximity sensorAdvantage Sensors help you use the device	vs	Virtual proximity sensor
+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.	vs	Not supported
2.8GHz 64bit Octa-core	vs	+2.75GHz 64bit Octa-core (4nm)2% More powerful processor, you can open your applications faster
6GB LPDDR4X	vs	+8GB LPDDR533% More RAM memory. Typically more responsive and better for multitasking.
64GB (51GB available)	vs	+256GB (234GB available)4 times More internal storage for applications and files
UFS 2.1	vs	+UFS 3.1Advantage Fastest write and read storage.
Not supported	vs	+Until 1TB microSD, microSDXCAdvantage More external storage for files using memory cards
HDR10	vs	+HDR10+Advantage The HDR10+ display provides vibrant colors and more details
60Hz	vs	+120Hz100% The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.
1080x2248 pixels	vs	+1080x2340 pixels4% Higher resolution screen
6.21"	vs	+6.6"6% Larger screen
(dual camera) 12MP + 12MP	vs	+(triple camera) 50MP + 12MP + 5MP179% Higher resolution main camera
Not supported	vs	+BSI sensorAdvantage The BSI sensor allows the entry of more light generating photos with more detail and brightness
1/2.55" inches	vs	+1/1.56" inches63% The larger sensor camera lets you take photos with better depth.
(front) 20MP	vs	+(front) 32MP61% Higher resolution secondary camera to take pictures and selfies
(front) Full HD (1920x1080)	vs	+(front) 4K UHD (3840x2160)3 times More image quality for recording videos with the secondary camera
Android 9.0 Pie	vs	+Android 15Advantage Android 15 is newer and safer
4G LTE-A	vs	+5G Sub6Advantage The 5G Sub6 network is newer and faster
(4G LTE-A) 1024 Mbps	vs	+(5G Sub6) 3000 Mbps193% Faster for surfing the internet and download files
3400 mAh	vs	+5000 mAh47% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
18W	vs	+25W39% 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)	vs	+1 slot (Single-SIM) + e-SIM (Eletronic) (hybrid slot/shares the same microSD slot)Advantage You can have more mobile carriers/operators on the same device.
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	+5.3 + A2DP/LEAdvantage Bluetooth 5.3 + A2DP/LE is newer and faster
Not supported	vs	+IP67 certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example

27 Common items in both devices

Aluminum frame, glass front/back

Super AMOLED

16 million

PDAF: phase detection autofocus

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

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
	Xiaomi Mi 8 (64GB)	Galaxy A55 (SM-A556E/DS 256GB)
Change model		Choose the model
Model	Xiaomi Mi 8 (64GB)	Galaxy A55 (SM-A556E/DS 256GB)
Other model names	小米8, Xiaomi Mi8 6GB RAM, Xiaomi Dipper	Galaxy A55 5G SM-A556E/Dual-SIM
Country or region available	(Global, International), China, Hong Kong	(Latin America), Brazil
Brand	Xiaomi	Samsung
Release date	6/1/2018	3/15/2024, Announced: 3/11/2024
Depth	7.6 millimeters (0.3 inches)	8.2 millimeters (0.32 inches)
Size (width x height)	74.8 x 154.9 millimeters (2.94 x 6.1 in)	77.4 x 161.1 millimeters (3.05 x 6.34 in)
Weight	175 grams (6.13 ounces)	213 grams (7.46 ounces)
Build, materials	Aluminum frame, glass front/back	Aluminum frame, glass front/back Back: Corning Gorilla Glass
Protection against water and others	Not supported	IP67 certified: dust proof and waterproof over 1 meter and 30min
📲 Display
	Xiaomi Mi 8 (64GB)	Galaxy A55 (SM-A556E/DS 256GB)
Display type	Super AMOLED	Super AMOLED
Screen size	6.21" inches	6.6" inches
Screen-to-body ratio	~83.8% (screen-to-body ratio)	~85.8% (screen-to-body ratio)
Display resolution	1080x2248 pixels	1080x2340 pixels (19.5:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	402 PPI	390 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 5	Gorilla Glass Victus
Refresh rate	60Hz	120Hz
Display features	600nits[typ] HDR10	HDR10+ Always-On Display
🤖 Operating System
	Xiaomi Mi 8 (64GB)	Galaxy A55 (SM-A556E/DS 256GB)
System version	Android 8.1 Oreo	Android 14
Firmware update	Android 9.0 Pie	Android 15
User Interface	feature not registered	One UI 6.1 / 7.0
⚙️ Processor
	Xiaomi Mi 8 (64GB)	Galaxy A55 (SM-A556E/DS 256GB)
Chipset	64bit: Qualcomm Snapdragon 845 MSM8998 (10nm)	64bit: Samsung Exynos 1480 (4nm)
CPU	Octa-core, 2 processors: 4x 2.8GHz Kryo 385 Gold (Quad-core) 4x 1.8GHz Kryo 385 Silver (Quad-core)	Octa-core, 2 processors: 4x 2.75GHz ARM Cortex-A78 (Quad-core) 4x 2GHz ARM Cortex-A55 (Quad-core)
GPU graphical controller	Qualcomm Adreno 630 710Mhz	Samsung Xclipse 530
Performance (benchmark)	feature not registered	AnTuTu: 635598 (v9), 726158 (v10) Geekbench: 3259 (v5), 3350 (v6)
💽 Memory and storage
	Xiaomi Mi 8 (64GB)	Galaxy A55 (SM-A556E/DS 256GB)
RAM memory	6GB LPDDR4X	8GB LPDDR5
Internal storage	64GB (51GB available) UFS 2.1	256GB (234GB available) UFS 3.1
External storage	Not supported	Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)
📶 Mobile networks
	Xiaomi Mi 8 (64GB)	Galaxy A55 (SM-A556E/DS 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)	1 slot (Single-SIM) nano-SIM (4FF) + e-SIM
Maximum Download / Upload	1024/150 Mbps	3000/1024 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 850/900/1700/1900/2100	UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat16 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20) TD-LTE (34, 38, 39, 40, 41) VoLTE	LTE Cat18 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE
Primary 5G network	Not supported	SA/NSA/Sub6 (1, 3, 5, 7, 8, 26, 28, 40, 41, 66, 77, 78)
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, Sub6
Secondary 2G network	GSM 850/900/1800/1900	Not supported
Secondary 3G network	Not supported	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	GPRS, EDGE	Not supported
📷 Camera
	Xiaomi Mi 8 (64GB)	Galaxy A55 (SM-A556E/DS 256GB)
Back camera (main camera)	(dual camera) 12 megapixels 12MP telephoto f/2.456mm1/3.4"1.0µmAF2x-optical-zoom	(triple camera) 50 megapixels 12MP ultrawide f/2.2123°1/3.06"1.12µm 5MP macro f/2.4
Main camera resolution	4000x3000 pixels	8160x6120 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	4K UHD (3840x2160) 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	1/2.55" inches	1/1.56" inches
Pixel size	1.4µm pixel	1µm pixel
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	Not supported	Supported
HDR	HDR photo on both cameras	HDR photo on both cameras
Camera extras	feature not registered	4K@30fps 1080p@30/60fps 720p@240fps (slow motion)
📸 Front camera
	Xiaomi Mi 8 (64GB)	Galaxy A55 (SM-A556E/DS 256GB)
Front camera (secondary)	20 megapixels	32 megapixels
Front camera resolution	5184x3840 pixels	6528x4896 pixels
Video recording (secondary)	Full HD (1920x1080)	4K UHD (3840x2160)
Front flash	Not supported	Not supported
Focal aperture	f/2.0 (aperture)	f/2.2 (aperture)
Focal length	feature not registered	26mm (lens)
Sensor size	1/3" inches	1/2.74" inches
Pixel size	1.8µm pixel	0.8µm pixel
🔉 Sound and multimedia
	Xiaomi Mi 8 (64GB)	Galaxy A55 (SM-A556E/DS 256GB)
Loudspeaker	Supported	Stereo sound
Active noise cancellation	2 microphones or more	3 microphones
Radio	Not supported	Not supported
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
	Xiaomi Mi 8 (64GB)	Galaxy A55 (SM-A556E/DS 256GB)
USB	USB 2.0 Type-C, USB OTG On-The-Go	USB 2.0 Type-C, USB OTG On-The-Go
Audio output	Type-C jack with 3.5mm jack adapter	Type-C reversible connector
TV output	USB Type-C (reversible)	USB Type-C (reversible)
Bluetooth	5.0 + A2DP/LE	5.3 + 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, GALILEO, BeiDou, QZSS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS
NFC	Supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Xiaomi Mi 8 (64GB)	Galaxy A55 (SM-A556E/DS 256GB)
Sensors	Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Hall effect Virtual proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Xiaomi Mi 8 (64GB)	Galaxy A55 (SM-A556E/DS 256GB)
Battery type	LiPo: li-ion polymer (Non removable)	Li-Ion: lithium-ion (Non removable)
Battery capacity	3400 mAh	5000 mAh
Charger, watts	18W Wired fast charging Quick Charge 4+	25W Wired fast charging
Inductive / wireless charging	Not supported	Not supported
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Xiaomi Mi 8 (64GB)	Galaxy A55 (SM-A556E/DS 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: Black, Blue, White, Gold • MIUI 9.5 • Always-On Display • WiFi display	• Colors: Navy, Iceblue, Lilac, Lemon
☢️ Radiation rate
	Xiaomi Mi 8 (64GB)	Galaxy A55 (SM-A556E/DS 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