Xiaomi Redmi K30 (256GB) vs Samsung Galaxy A55 (SM-A556E/DS 128GB)

Share page: Facebook Twitter WhatsApp Share page:

Side by side comparison between Xiaomi Redmi K30 vs Samsung Galaxy A55 phones, differences, pros, cons and full specifications. What's the better?

8/6/2024 8:02 PM, updated: 5/20/2025 8:15 AM

Compare Samsung Galaxy A55 X Xiaomi Redmi K30 (256GB) 11Points

Specifications Compare Models Pictures

6.67"
IPS

1080x2400

64
MP

20mp

8GB
RAM

Octa-core

4500
mAh

(Non removable)

20Points Samsung Galaxy A55 (SM-A556E/DS 128GB) Compare Xiaomi Redmi K30 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 128GB)

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!

11 Advantages Xiaomi Redmi K30 (256GB)	vs	20 Advantages Samsung Galaxy A55 (SM-A556E/DS 128GB)
+256GB (230GB available)111% More internal storage for applications and files	vs	128GB (109GB available)
+208 grams (7.28 ounces)2% Lighter	vs	213 grams (7.46 ounces)
+1080x2400 pixels3% Higher resolution screen	vs	1080x2340 pixels
+395 PPI1% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	390 PPI
+6.67"1% Larger screen	vs	6.6"
+(quad camera) 64MP + 8MP + 2MP + 2MP14% Higher resolution main camera	vs	(triple camera) 50MP + 12MP + 5MP
+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light	vs	LED flash
+Proximity sensorAdvantage Sensors help you use the device	vs	Virtual proximity sensor
+27W8% 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
+3.5mm jackAdvantage Headsets with 3.5mm Jack size are more common and easy to find in stores	vs	Type-C reversible connector
+FM (RDS)Advantage The radio lets you listen to your songs and sports in general	vs	Not supported
2.2GHz 64bit Octa-core (8nm)	vs	+2.75GHz 64bit Octa-core (4nm)18% More powerful processor, you can open your applications faster
8GB LPDDR4X	vs	+8GB LPDDR5Advantage This RAM type is better and more efficient.
UFS 2.1	vs	+UFS 3.1Advantage Fastest write and read storage.
8.79 millimeters (0.35 inches)	vs	+8.2 millimeters (0.32 inches)7% Thinner
TFT IPS LCD	vs	+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid
HDR10	vs	+HDR10+Advantage The HDR10+ display provides vibrant colors and more details
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
1/1.72" inches	vs	+1/1.56" inches10% The larger sensor camera lets you take photos with better depth.
f/1.9 (aperture)	vs	+f/1.8 (aperture)6% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(dual front camera) 20MP + 2MP	vs	+(front) 32MP46% 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 11	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) 800 Mbps	vs	+(5G Sub6) 3000 Mbps3 times Faster for surfing the internet and download files
4500 mAh	vs	+5000 mAh11% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
2 slots (Dual-SIM) (hybrid slot/shares the same microSD slot)	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

26 Common items in both devices

Until 512GB microSD, microSDXC / Until 1TB microSD, microSDXC

Aluminum frame, glass front/back

120Hz

16 million

Only digital zoom

PDAF: phase detection autofocus

HDR photo on both cameras

+19 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 K30 (256GB)	Galaxy A55 (SM-A556E/DS 128GB)
Change model		Choose the model
Model	Redmi K30 (256GB)	Galaxy A55 (SM-A556E/DS 128GB)
Other model names	Xiaomi Redmi K30 (256GB + 8GB RAM), M1912G7BC, M1912G7BE	Galaxy A55 5G SM-A556E/Dual-SIM
Country or region available	(Global, International)	(Latin America), Brazil
Brand	Xiaomi	Samsung
Release date	12/1/2019	3/15/2024, Announced: 3/11/2024
Depth	8.79 millimeters (0.35 inches)	8.2 millimeters (0.32 inches)
Size (width x height)	76.6 x 165.3 millimeters (3.02 x 6.51 in)	77.4 x 161.1 millimeters (3.05 x 6.34 in)
Weight	208 grams (7.28 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
	Redmi K30 (256GB)	Galaxy A55 (SM-A556E/DS 128GB)
Display type	TFT IPS LCD	Super AMOLED
Screen size	6.67" inches	6.6" inches
Screen-to-body ratio	~84.8% (screen-to-body ratio)	~85.8% (screen-to-body ratio)
Display resolution	1080x2400 pixels (20:9)	1080x2340 pixels (19.5:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	395 PPI	390 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 5	Gorilla Glass Victus
Refresh rate	120Hz	120Hz
Display features	HDR10	HDR10+ Always-On Display
🤖 Operating System
	Redmi K30 (256GB)	Galaxy A55 (SM-A556E/DS 128GB)
System version	Android 10	Android 14
Firmware update	Android 11	Android 15
User Interface	feature not registered	One UI 6.1 / 7.0
⚙️ Processor
	Redmi K30 (256GB)	Galaxy A55 (SM-A556E/DS 128GB)
Chipset	64bit: Qualcomm Snapdragon 730G (SM7150-AB) (8nm)	64bit: Samsung Exynos 1480 (4nm)
CPU	Octa-core, 2 processors: 2x 2.2GHz Kryo 470 Gold (Dual-core) 6x 1.8GHz Kryo 470 Silver (Hexa-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 618 (700MHz)	Samsung Xclipse 530
Performance (benchmark)	feature not registered	AnTuTu: 635598 (v9), 726158 (v10) Geekbench: 3259 (v5), 3350 (v6)
💽 Memory and storage
	Redmi K30 (256GB)	Galaxy A55 (SM-A556E/DS 128GB)
RAM memory	8GB LPDDR4X	8GB LPDDR5
Internal storage	256GB (230GB available) UFS 2.1	128GB (109GB available) UFS 3.1
External storage	Until 512GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)	Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)
📶 Mobile networks
	Redmi K30 (256GB)	Galaxy A55 (SM-A556E/DS 128GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot)	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	800/150 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 850/900/2100	UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat15/13 (Bands 1, 3, 5, 8) TD-LTE (Bands 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
	Redmi K30 (256GB)	Galaxy A55 (SM-A556E/DS 128GB)
Back camera (main camera)	(quad camera) 64 megapixels 8MP ultrawide f/2.213mm1/4.0"1.12µm 2MP macro f/2.41/5.0"1.75µm 2MP depth f/2.4	(triple camera) 50 megapixels 12MP ultrawide f/2.2123°1/3.06"1.12µm 5MP macro f/2.4
Main camera resolution	10120x6328 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/1.9 (aperture)	f/1.8 (aperture)
Focal length	26mm (lens)	feature not registered
Sensor size	1/1.72" inches	1/1.56" inches
Pixel size	0.8µm pixel	1µm pixel
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	4K@30fps 1080p@30/60fps 720p@240fps (slow motion)
📸 Front camera
	Redmi K30 (256GB)	Galaxy A55 (SM-A556E/DS 128GB)
Front camera (secondary)	(dual front camera) 20 megapixels 2MP depth f/2.41/5"1.75µm	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/2.2 (aperture)	f/2.2 (aperture)
Focal length	27mm (lens)	26mm (lens)
Sensor size	1/3.4" inches	1/2.74" inches
Pixel size	0.8µm pixel	0.8µm pixel
🔉 Sound and multimedia
	Redmi K30 (256GB)	Galaxy A55 (SM-A556E/DS 128GB)
Loudspeaker	Supported	Stereo sound
Active noise cancellation	2 microphones or more	3 microphones
Radio	FM (RDS)	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
	Redmi K30 (256GB)	Galaxy A55 (SM-A556E/DS 128GB)
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	Type-C reversible connector
TV output	Not supported	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	Not supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS
NFC	Supported	Supported
Infrared port	Supported	Not supported
🧭 Sensors
	Redmi K30 (256GB)	Galaxy A55 (SM-A556E/DS 128GB)
Sensors	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (side-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
	Redmi K30 (256GB)	Galaxy A55 (SM-A556E/DS 128GB)
Battery type	LiPo: li-ion polymer (Non removable)	Li-Ion: lithium-ion (Non removable)
Battery capacity	4500 mAh	5000 mAh
Charger, watts	27W Wired fast charging	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
	Redmi K30 (256GB)	Galaxy A55 (SM-A556E/DS 128GB)
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: Blue, Red, Purple • MIUI 11, 12 • Game Turbo 2.0 • 24-bit/192kHz audio	• Colors: Navy, Iceblue, Lilac, Lemon
☢️ Radiation rate
	Redmi K30 (256GB)	Galaxy A55 (SM-A556E/DS 128GB)
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