Xiaomi Redmi Note 12 (Global 128GB/4GB) vs Samsung Galaxy Quantum 5 (SM-A556S)

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Side by side comparison between Xiaomi Redmi Note 12 vs Samsung Galaxy Quantum 5 phones, differences, pros, cons and full specifications. What's the better?

5/20/2025 5:30 AM, updated: 5/31/2025 11:21 AM

Compare Samsung Galaxy Quantum 5 X Xiaomi Redmi Note 12 (Global 128GB/4GB) 08Points

Specifications Compare Models Pictures

6.67"
AMOLED

1080x2400

48
MP

13mp

4GB
RAM

Octa-core

5000
mAh

(Non removable)

19Points Samsung Galaxy Quantum 5 (SM-A556S) Compare Xiaomi Redmi Note 12 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 Quantum 5 (SM-A556S)

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 Redmi Note 12 (Global 128GB/4GB)	vs	19 Advantages Samsung Galaxy Quantum 5 (SM-A556S)
+188 grams (6.58 ounces)13% Lighter	vs	213 grams (7.46 ounces)
+8 millimeters (0.31 inches)2% Thinner	vs	8.2 millimeters (0.32 inches)
+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"
+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
+3.5mm jackAdvantage Headsets with 3.5mm Jack size are more common and easy to find in stores	vs	Type-C reversible connector
2GHz 64bit Octa-core (6nm)	vs	+2.75GHz 64bit Octa-core (4nm)24% More powerful processor, you can open your applications faster
4GB LPDDR4X	vs	+8GB LPDDR5100% More RAM memory. Typically more responsive and better for multitasking.
UFS 2.2	vs	+UFS 3.1Advantage Fastest write and read storage.
Plastic body, glass front	vs	+Aluminum frame, glass front/backAdvantage More resistant material
AMOLED	vs	+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid
Not supported	vs	+HDR10+Advantage The HDR10+ display provides vibrant colors and more details
(triple camera) 48MP + 8MP + 2MP	vs	+(triple camera) 50MP + 12MP + 5MP15% Higher resolution main camera
EIS: Digital stabilization	vs	+OIS: Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video
1/2.76" inches	vs	+1/1.56" inches77% The larger sensor camera lets you take photos with better depth.
(front) 13MP	vs	+(front) 32MP150% Higher resolution secondary camera to take pictures and selfies
Full HD (1920x1080)	vs	+4K UHD (3840x2160)3 times More image quality for recording videos with the primary camera
(front) Full HD (1920x1080)	vs	+(front) 4K UHD (3840x2160)3 times More image quality for recording videos with the secondary camera
(5G SA/NSA) 2000 Mbps	vs	+(5G Sub6) 3000 Mbps50% Faster for surfing the internet and download files
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.
Mono sound (not stereo)	vs	+Stereo soundAdvantage Better sound quality for listening to music or clearer hands-free calls
2 microphones	vs	+3 microphones50% More noise-canceling microphones allow for better quality in calls and audio for recorded videos
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
5.1 + A2DP/LE	vs	+5.3 + A2DP/LEAdvantage Bluetooth 5.3 + A2DP/LE is newer and faster
IP53 certified	vs	+IP67 certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example

30 Common items in both devices

128GB (101GB available) / 128GB (109GB available)

Until 1TB microSD, microSDXC

120Hz

16 million

LED flash

Only digital zoom

PDAF: phase detection autofocus

+23 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 Note 12 (Global 128GB/4GB)	Galaxy Quantum 5 (SM-A556S)
Change model
Model	Redmi Note 12 (Global 128GB/4GB)	Galaxy Quantum 5 (SM-A556S)
Other model names	Redmi Note 12 5G 22111317G (NFC)	갤럭시 퀀텀5 사업자향 (SKT), Galaxy Quantum5
Country or region available	(Europe), (Global, International)	South Korea
Brand	Xiaomi	Samsung
Release date	1/11/2023, Announced: 10/27/2022	3/15/2024, Announced: 3/11/2024
Depth	8 millimeters (0.31 inches)	8.2 millimeters (0.32 inches)
Size (width x height)	76.21 x 165.88 millimeters (3 x 6.53 in)	77.4 x 161.1 millimeters (3.05 x 6.34 in)
Weight	188 grams (6.58 ounces)	213 grams (7.46 ounces)
Build, materials	Plastic body, glass front	Aluminum frame, glass front/back Back: Corning Gorilla Glass
Protection against water and others	IP53 certified: protection against dust and splashing	IP67 certified: dust proof and waterproof over 1 meter and 30min
📲 Display
	Redmi Note 12 (Global 128GB/4GB)	Galaxy Quantum 5 (SM-A556S)
Display type	AMOLED	Super AMOLED
Screen size	6.67" inches	6.6" inches
Screen-to-body ratio	~85% (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 3	Gorilla Glass Victus
Refresh rate	120Hz	120Hz
Display features	450nits[typ], 1200nits[peak] 100% DCI P3 Touch Sampling Rate: 240Hz	HDR10+ Always-On Display
🤖 Operating System
	Redmi Note 12 (Global 128GB/4GB)	Galaxy Quantum 5 (SM-A556S)
System version	Android 12	Android 14
Firmware update	Android 15	Android 15
User Interface	MIUI 13 / 14 / HyperOS	One UI 6.1 / 7.0
⚙️ Processor
	Redmi Note 12 (Global 128GB/4GB)	Galaxy Quantum 5 (SM-A556S)
Chipset	64bit: Qualcomm Snapdragon 4 Gen 1 (SM4375) (6nm)	64bit: Samsung Exynos 1480 (4nm)
CPU	Octa-core, 2 processors: 2x 2GHz ARM Cortex-A78 (Dual-core) 6x 1.8GHz ARM Cortex-A55 (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 619	Samsung Xclipse 530
Performance (benchmark)	AnTuTu: 360847 (v9) Geekbench: 1998 (v5.1), 2017 (v6)	AnTuTu: 635598 (v9), 726158 (v10) Geekbench: 3259 (v5), 3350 (v6)
💽 Memory and storage
	Redmi Note 12 (Global 128GB/4GB)	Galaxy Quantum 5 (SM-A556S)
RAM memory	4GB LPDDR4X	8GB LPDDR5
Internal storage	128GB (101GB available) UFS 2.2	128GB (109GB available) UFS 3.1
External storage	Until 1TB 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 Note 12 (Global 128GB/4GB)	Galaxy Quantum 5 (SM-A556S)
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	2000/1024 Mbps	3000/1024 Mbps
Network technology	2G, 3G, 4G, 5G	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	UMTS 850/900/2100	UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat15 (1, 3, 5, 7, 8, 20, 28, 32) TD-LTE (38, 40, 41) VoLTE	LTE Cat18 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE
Primary 5G network	SA/NSA (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78)	SA/NSA/Sub6 (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78)
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, SA/NSA, Sub6
Secondary 2G network	GSM 850/900/1800/1900	Not supported
Secondary 3G network	UMTS 850/900/2100	Not supported
Secondary 4G network	LTE Cat15 (1, 3, 5, 7, 8, 20, 28, 32) TD-LTE (38, 40, 41) VoLTE	Not supported
Secondary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA	Not supported
📷 Camera
	Redmi Note 12 (Global 128GB/4GB)	Galaxy Quantum 5 (SM-A556S)
Back camera (main camera)	(triple camera) 48 megapixels 8MP ultrawide f/2.2118°1/4"1.12µm 2MP macro 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	8000x6000 pixels	8160x6120 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	4K UHD (3840x2160) 30 fps
Flash	LED flash	LED flash
Focal aperture	f/1.8 (aperture)	f/1.8 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	1/2.76" 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	Supported	Supported
HDR	HDR photo on both cameras	HDR photo on both cameras
Camera extras	1080p@30fps 720p@120fps (slow motion)	4K@30fps 1080p@30/60fps 720p@240fps (slow motion)
📸 Front camera
	Redmi Note 12 (Global 128GB/4GB)	Galaxy Quantum 5 (SM-A556S)
Front camera (secondary)	13 megapixels	32 megapixels
Front camera resolution	4128x3096 pixels	6528x4896 pixels
Video recording (secondary)	Full HD (1920x1080)	4K UHD (3840x2160)
Front flash	Not supported	Not supported
Focal aperture	f/2.5 (aperture)	f/2.2 (aperture)
Focal length	feature not registered	26mm (lens)
Sensor size	1/3" inches	1/2.74" inches
Pixel size	feature not registered	0.8µm pixel
🔉 Sound and multimedia
	Redmi Note 12 (Global 128GB/4GB)	Galaxy Quantum 5 (SM-A556S)
Loudspeaker	Mono sound (not stereo) 24-bit/192kHz	Stereo sound
Active noise cancellation	2 microphones	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
	Redmi Note 12 (Global 128GB/4GB)	Galaxy Quantum 5 (SM-A556S)
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	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 [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	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS
NFC	Supported	Supported
Infrared port	Supported	Not supported
🧭 Sensors
	Redmi Note 12 (Global 128GB/4GB)	Galaxy Quantum 5 (SM-A556S)
Sensors	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope 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 Note 12 (Global 128GB/4GB)	Galaxy Quantum 5 (SM-A556S)
Battery type	LiPo: li-ion polymer (Non removable)	Li-Ion: lithium-ion (Non removable)
Battery capacity	5000 mAh	5000 mAh
Charger, watts	33W 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 Note 12 (Global 128GB/4GB)	Galaxy Quantum 5 (SM-A556S)
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: Matte Black, Mystique Blue, Frosted Green	• Colors: Navy, Iceblue, Lilac, Lemon
☢️ Radiation rate
	Redmi Note 12 (Global 128GB/4GB)	Galaxy Quantum 5 (SM-A556S)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	0.629W/kg (head), 1.11W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	feature not registered	feature not registered