Xiaomi Redmi K20 Pro (128GB/6GB) vs Samsung Galaxy A12 (SM-A125U)

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Side by side comparison between Xiaomi Redmi K20 Pro vs Samsung Galaxy A12 phones, differences, pros, cons and full specifications. What's the better?

7/18/2023 6:43 AM, updated: 7/18/2023 7:21 AM

Compare Samsung Galaxy A12 X Xiaomi Redmi K20 Pro (128GB/6GB) 26Points

Specifications Compare Models Pictures

6.39"
AMOLED

1080x2340

48
MP

20mp

6GB
RAM

Octa-core

4000
mAh

(Non removable)

04Points Samsung Galaxy A12 (SM-A125U) Compare Xiaomi Redmi K20 Pro X

Specifications Compare Models Pictures

6.5"
PLS

720x1600

16
MP

8mp

3GB
RAM

Octa-core

5000
mAh

(Non removable)

What's the better phone? Xiaomi Redmi K20 Pro (128GB/6GB)

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!

26 Advantages Xiaomi Redmi K20 Pro (128GB/6GB)	vs	4 Advantages Samsung Galaxy A12 (SM-A125U)
+2.84GHz 64bit Octa-core (7nm)27% More powerful processor, you can open your applications faster	vs	2.3GHz 64bit Octa-core (12nm)
+6GB LPDDR4X100% More RAM memory. Typically more responsive and better for multitasking.	vs	3GB LPDDR4X
+128GB (109GB available)5 times More internal storage for applications and files	vs	32GB (19GB available)
+UFS 2.1Advantage Fastest write and read storage.	vs	eMMC 5.1
+191 grams (6.69 ounces)7% Lighter	vs	205 grams (7.18 ounces)
+8.8 millimeters (0.35 inches)1% Thinner	vs	8.9 millimeters (0.35 inches)
+Aluminum frame, glass front/backAdvantage More resistant material	vs	Plastic body, glass front
+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid	vs	TFT PLS
+HDR10Advantage The HDR10 display provides vibrant colors and more details	vs	Not supported
+1080x2340 pixels119% Higher resolution screen	vs	720x1600 pixels
+403 PPI49% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	270 PPI
+(triple camera) 48MP + 8MP + 13MP177% Higher resolution main camera	vs	(quad camera) 16MP + 5MP + 2MP + 2MP
+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
+f/1.8 (aperture)11% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.	vs	f/2.0 (aperture)
+(front) 20MP149% Higher resolution secondary camera to take pictures and selfies	vs	(front) 8MP
+4K UHD (3840x2160)3 times More image quality for recording videos with the primary camera	vs	Full HD (1920x1080)
+(4G LTE-A) 1024 Mbps6 times Faster for surfing the internet and download files	vs	(4G LTE) 150 Mbps
+Ambient light sensorAdvantage Sensors help you use the device	vs	Virtual ambient light sensor
+CompassAdvantage 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
+27W80% 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	15W
+2 slots (Dual-SIM)Advantage You can have more mobile carriers/operators on the same device.	vs	1 slot (Single-SIM) (dedicated slot)
+802.11 a/b/g/n/ac [wifi5]Advantage WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster	vs	802.11 b/g/n [wifi4]
+Gorilla Glass 5Advantage Protection against scratches on the screen lets you carry your phone with your keys	vs	Not supported
Not supported	vs	+Until 1TB microSD, microSDXCAdvantage More external storage for files using memory cards
6.39"	vs	+6.5"2% Larger screen
Android 9.0 Pie	vs	+Android 11Advantage Android 11 is newer and safer
4000 mAh	vs	+5000 mAh25% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use

20 Common items in both devices

60Hz

16 million

LDAF/PDAF: laser/phase detection autofocus / Autofocus

EIS: Digital stabilization

HDR photo on both cameras

(front) Full HD (1920x1080)

4G LTE-A / 4G LTE

+13 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 K20 Pro (128GB/6GB)	Galaxy A12 (SM-A125U)
Change model		Choose the model
Model	Redmi K20 Pro (128GB/6GB)	Galaxy A12 (SM-A125U)
Other model names	Xiaomi Redmi K20 Pro 6GB RAM MZB7748IN, MZB7749IN, MZB7750IN	Galaxy A12 SM-A125U (Verizon, Sprint, T-Mobile, Cricket, +)
Country or region available	China, India	USA
Brand	Xiaomi	Samsung
Release date	6/1/2019	12/21/2020, Announced: 11/24/2020
Depth	8.8 millimeters (0.35 inches)	8.9 millimeters (0.35 inches)
Size (width x height)	74.3 x 156.7 millimeters (2.93 x 6.17 in)	75.8 x 164 millimeters (2.98 x 6.46 in)
Weight	191 grams (6.69 ounces)	205 grams (7.18 ounces)
Build, materials	Aluminum frame, glass front/back	Plastic body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	Redmi K20 Pro (128GB/6GB)	Galaxy A12 (SM-A125U)
Display type	Super AMOLED	TFT PLS
Screen size	6.39" inches	6.5" inches
Screen-to-body ratio	~86.1% (screen-to-body ratio)	~82.1% (screen-to-body ratio)
Display resolution	1080x2340 pixels (19.5:9)	720x1600 pixels (20:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	403 PPI	270 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 5	Not supported
Refresh rate	60Hz	60Hz
Display features	600nits[typ] HDR10	Not supported
🤖 Operating System
	Redmi K20 Pro (128GB/6GB)	Galaxy A12 (SM-A125U)
System version	Android 9.0 Pie	Android 10
Firmware update	feature not registered	Android 11
User Interface	feature not registered	One UI 3.1
⚙️ Processor
	Redmi K20 Pro (128GB/6GB)	Galaxy A12 (SM-A125U)
Chipset	64bit: Qualcomm Snapdragon 855 (SM8150) (7nm)	64bit: MediaTek Helio P35 (MT6765) (12nm)
CPU	Octa-core, 3 processors: 1x 2.84GHz Kryo 485 (Single-core) 3x 2.42GHz Kryo 485 (Triple-core) 4x 1.78GHz Kryo 485 (Quad-core)	Octa-core, 2 processors: 4x 2.3GHz ARM Cortex-A53 (Quad-core) 4x 1.8GHz ARM Cortex-A53 (Quad-core)
GPU graphical controller	Qualcomm Adreno 640 (585MHz)	PowerVR GE8320 MP2 (680MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Redmi K20 Pro (128GB/6GB)	Galaxy A12 (SM-A125U)
RAM memory	6GB LPDDR4X	3GB LPDDR4X
Internal storage	128GB (109GB available) UFS 2.1	32GB (19GB available) eMMC 5.1
External storage	Not supported	Until 1TB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Redmi K20 Pro (128GB/6GB)	Galaxy A12 (SM-A125U)
Dual-SIM	Dual-SIM Standby - Call active on one sim card	Not supported
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	1 slot (Single-SIM) nano-SIM (4FF)
Maximum Download / Upload	1024/150 Mbps	150/50 Mbps
Network technology	2G, 3G, 4G	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	CDMA 800 (China), GSM 850/900/1800/1900	GSM 850/900/1800/1900
Primary 3G network	MZB7748IN, MZB7749IN, MZB7750IN version: UMTS 850/900/1900/2100 M1903F11A, M1903F11C, M1903F11T version: CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100	UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat16/13 VoLTE MZB7748IN, MZB7749IN, MZB7750IN version: LTE (Bands 1, 3, 5, 7, 8) TD-LTE (Bands 38, 40, 41) M1903F11A, M1903F11C, M1903F11T version: LTE (Bands 1, 3, 5, 7, 8) TD-LTE (Bands 34, 38, 39, 40, 41)	LTE Cat4 (1, 2, 3, 4, 5, 7, 12, 13, 20, 25, 26, 66, 71) TD-LTE (38, 41) VoLTE
Primary 5G network	Not supported	Not supported
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
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 K20 Pro (128GB/6GB)	Galaxy A12 (SM-A125U)
Back camera (main camera)	(triple camera) 48 megapixels 8MP telephoto f/2.453mm1/4"1.12µmPDAF2x-optical-zoom 13MP ultrawide f/2.412mm1/3"1.12µm	(quad camera) 16 megapixels 5MP ultrawide f/2.2123° 2MP macro f/2.4 2MP depth f/2.4
Main camera resolution	8000x6000 pixels	4608x3456 pixels
Video recording (primary)	4K UHD (3840x2160) 60 fps	Full HD (1920x1080) 30 fps
Flash	Dual-LED flash	LED flash
Focal aperture	f/1.8 (aperture)	f/2.0 (aperture)
Focal length	26mm lens	26mm lens
Sensor size	1/2" inches	feature not registered
Pixel size	0.8µm pixel	feature not registered
Autofocus	LDAF/PDAF: laser/phase detection autofocus	Autofocus
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	EIS: Digital stabilization
Zoom	Digital and optical zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Not supported	Not supported
HDR	HDR photo on both cameras	HDR photo on both cameras
Camera extras	feature not registered	feature not registered
📸 Front camera
	Redmi K20 Pro (128GB/6GB)	Galaxy A12 (SM-A125U)
Front camera (secondary)	20 megapixels *Motorized pop-up camera (slider)	8 megapixels
Front camera resolution	5184x3840 pixels	3264x2448 pixels
Video recording (secondary)	Full HD (1920x1080)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/2.2 (aperture)	f/2.2 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	feature not registered
Pixel size	0.8µm pixel	feature not registered
🔉 Sound and multimedia
	Redmi K20 Pro (128GB/6GB)	Galaxy A12 (SM-A125U)
Loudspeaker	Supported	Mono sound (not stereo)
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	FM	FM
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, XviD	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Redmi K20 Pro (128GB/6GB)	Galaxy A12 (SM-A125U)
USB	USB 2.0 Type-C, USB OTG On-The-Go	USB 2.0 Type-C reversible connector
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	Not supported
Bluetooth	5.0 + A2DP/LE	5.0 + A2DP/LE
WiFi	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot	802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Redmi K20 Pro (128GB/6GB)	Galaxy A12 (SM-A125U)
Sensors	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor	Accelerometer Face unlock Fingerprint sensor (side-mounted) Virtual ambient light sensor Virtual proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Redmi K20 Pro (128GB/6GB)	Galaxy A12 (SM-A125U)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	4000 mAh	5000 mAh
Charger, watts	27W Wired fast charging	15W Wired fast charging
Inductive / wireless charging	feature not registered	Not supported
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Redmi K20 Pro (128GB/6GB)	Galaxy A12 (SM-A125U)
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: Carbon black, Flame red, Glacier blue • MIUI 10 • HDR display • 24-bit/192kHz audio • Quick Charge 4+	• Colors: Black, White, Blue, Red
☢️ Radiation rate
	Redmi K20 Pro (128GB/6GB)	Galaxy A12 (SM-A125U)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	1.14W/kg (head), 1.2W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	feature not registered	feature not registered