Xiaomi Redmi 9 vs. Samsung Galaxy A42 5G

Phone Comparison, Reviews and Tests

Detailed comparison and review of Xiaomi Redmi 9 and Samsung Galaxy A42 5G. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.

Phone Specifications Comparison

Xiaomi Redmi 9 vs. Samsung Galaxy A42 5G Comparison Chart
DESIGN AND DIMENSIONS Xiaomi Redmi 9 Samsung Galaxy A42 5G
Product Type Smartphone Smartphone
Manufacturer Model Number - SM-A426B/DS
Form Factor Touch Touch
Height 163.32 mm 164.4 mm Samsung Galaxy A42 5G has greater height than Xiaomi Redmi 9.
Width 77.01 mm 75.9 mm Xiaomi Redmi 9 has greater width than Samsung Galaxy A42 5G.
Depth 9.1 mm 8.6 mm Samsung Galaxy A42 5G is narrower than Xiaomi Redmi 9.
Weight 198 g 193 g Samsung Galaxy A42 5G is lighter than Xiaomi Redmi 9.
Body Colour Carbon grey Prism dot black | Prism dot white | Prism dot grey
Waterproof (Water-resistant) - -
SAR Value 1.065 W/kg (body), 0.789 W/kg (head), 2.309 W/kg (limb) 1.334 W/kg (body), 1.154 W/kg (head)
Integrated Components Ultra-linear speaker -
Connector Type USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
SIM Card Type (Size) Nano SIM Nano SIM
SIM Card Qty Dual-SIM Dual-SIM
SIM Card Configuration Details - Nano SIM + nano SIM/microSD
DISPLAY Xiaomi Redmi 9 Samsung Galaxy A42 5G
Display Type - OLED display
Display Technology - Super AMOLED
Screen Size (Display Size) 6.53" 6.6" Samsung Galaxy A42 5G has larger screen size than Xiaomi Redmi 9.
Screen Resolution (Display Resolution) 2340 x 1080 pixels 1600 x 720 pixels Xiaomi Redmi 9 has better screen resolution than Samsung Galaxy A42 5G.
Display Format Full HD+ HD+
Pixel Density 394 ppi -
Aspect Ratio 19.5:9 -
Max Brightness 400 cd/m² -
Colour Depth - 16.7 million colours
Contrast Ratio 1500:1 -
Display Enhancement Technology Sunlight mode -
Display Features Colour temperature adjustment, Dot Drop display, Reading mode 2.0 Night mode, Edge-to-Edge screen, Infinity U Display
Display Protection (Screen Protector) Corning Gorilla Glass 3 (scratch resistant glass) -
PROCESSOR Xiaomi Redmi 9 Samsung Galaxy A42 5G
Processor Type (CPU) MediaTek Helio G80 -
Clock Speed 2 GHz 2.2 GHz Samsung Galaxy A42 5G has higher clock speed than Xiaomi Redmi 9.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture Yes - Xiaomi Redmi 9 has 64-bit architecture.
Graphics System (GPU) Mali-G52 MC2 -
MEMORY Xiaomi Redmi 9 Samsung Galaxy A42 5G
RAM LPDDR4X SDRAM - 4 GB 4 GB Both phones have the same RAM size.
Internal Memory Size (Storage Capacity) 64 GB 128 GB Samsung Galaxy A42 5G has more internal memory than Xiaomi Redmi 9.
User Memory - 106 GB
Supported Flash Memory Cards (Expandable Memory) microSD microSDHC, microSD, microSDXC - up to 1 TB
CAMERA Xiaomi Redmi 9 Samsung Galaxy A42 5G
MAIN CAMERA
Number of Main Cameras 4 4
Sensor Resolution 13 Megapixel 48 Megapixel Samsung Galaxy A42 5G has better camera resolution than Xiaomi Redmi 9.
Lens Type Wide-angle lens -
Lens Aperture F/2.2 F/1.8 Samsung Galaxy A42 5G has better lens aperture than Xiaomi Redmi 9.
Field of View (FoV) 75.2 degree(s) -
Focus Adjustment Automatic Automatic
Digital Zoom - 10x
Special Effects HDR, Kaleidoscope Bokeh effect
Camera Modes Portrait mode Live Focus mode
Light Source Flash Flash
Video Resolutions 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 480 fps
SECOND CAMERA
Sensor Resolution (2nd Camera) 8 Megapixel 8 Megapixel Both phones have the same second camera resolution.
Lens Type (2nd Camera) Ultra wide-angle lens Ultra wide-angle lens
Lens Aperture (2nd Camera) F/2.2 F/2.2 Both phones have the same second camera lens aperture.
Field of View (2nd Camera) 118 degree(s) 123 degree(s) Samsung Galaxy A42 5G has larger second camera lens field of view than Xiaomi Redmi 9.
THIRD CAMERA
Sensor Resolution (3rd Camera) 5 Megapixel 5 Megapixel Both phones have the same third camera resolution.
Lens Aperture (3rd Camera) F/2.4 F/2.4 Both phones have the same lens aperture of the third camera.
Camera Functions (3rd Camera) Macro camera Macro camera
FOURTH CAMERA
Sensor Resolution (4th Camera) 2 Megapixel 5 Megapixel Samsung Galaxy A42 5G has higher resolution fourth camera than Xiaomi Redmi 9.
Lens Aperture (4th Camera) - F/2.4
Camera Functions (4th Camera) Depth camera Depth camera
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 8 Megapixel 20 Megapixel Samsung Galaxy A42 5G has better front camera resolution than Xiaomi Redmi 9.
Lens Aperture (Front) F/2.0 F/2.2 Xiaomi Redmi 9 has better front lens aperture than Xiaomi Redmi 9.
Field of View (Front) 77.8 degree(s) -
Focus Adjustment Focus free Focus free
Special Effects (Front) HDR -
Camera Modes (Front) Portrait mode Live Focus mode
Light Source (Front) Display flash -
Video Resolutions (Front) - 3840 x 2160 (4K) at 30 fps
Camera Features (Front) Self-timer, Palm shutter -
BATTERY AND CHARGING Xiaomi Redmi 9 Samsung Galaxy A42 5G
Battery Capacity (Battery Size) 5020 mAh 5000 mAh Xiaomi Redmi 9 has larger battery capacity than Samsung Galaxy A42 5G.
Fast Charging Technology - Adaptive Fast Charging Samsung Galaxy A42 5G has fast charging technology.
Talk Time 1860 minutes 2160 minutes Samsung Galaxy A42 5G has longer battery life when making calls than Xiaomi Redmi 9.
Run Time Details Talk: up to 1860 min
Continuous navigation: up to 19 hrs
Playback (video): up to 19 hrs
Playback (Music): up to 185 hrs
Active online usage (LTE): up to 21 hrs
Active online usage (Wi-Fi): up to 22 hrs
Playback (audio): up to 130 hrs
Talk (4G): up to 2160 min
Playback (video): up to 34 hrs
CELLULAR Xiaomi Redmi 9 Samsung Galaxy A42 5G
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 5G Samsung Galaxy A42 5G has more advanced generation mobile network.
Operating System - Google Android
User Interface - One UI
Navigation GPS, A-GPS, GLONASS, BeiDou GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS Xiaomi Redmi 9 Samsung Galaxy A42 5G
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE FDD-LTE, TDD-LTE, 5G NR FR1
2G Band - 850 GSM, 900 GSM, 1800 GSM, 1900 GSM
3G UMTS Band Band 1, Band 2, Band 4, Band 5, Band 8 Band 1, Band 2, Band 4, Band 5, Band 8
3G UMTS Frequency 2100, 1900, 1700, 850, 900 2100, 1900, 1700, 850, 900
4G LTE Band Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41 Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 17, Band 20, Band 28, Band 38, Band 40, Band 41
4G LTE Frequency FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700b, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500
5G NR Band - N1, n3, n5, n7, n8, n28, n41, n78, n40
5G NR Frequency - FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 700APT, TDD TD 2500, TDD TD 3500, TDD 2300
Wireless Interface IEEE 802.11b/g/n IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 5.0 Bluetooth 5.0
NFC - Yes Samsung Galaxy A42 5G has NFC reader for mobile payments.
Messaging Services SMS, MMS -
MEDIA Xiaomi Redmi 9 Samsung Galaxy A42 5G
Supported Digital Audio Standards AAC, PCM, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), AMR-WB, AMR-NB WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID
Supported Digital Video Standards MKV, H.264, ASP, MP4 MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4
FEATURES Xiaomi Redmi 9 Samsung Galaxy A42 5G
Phone Functions Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert
Sensors Accelerometer, ambient light sensor, digital compass, distance sensor, infrared (IR) sensor Accelerometer, proximity sensor, gyro sensor, geomagnetic sensor, light sensor
Security Devices Face recognition, fingerprint reader Fingerprint reader
Additional Phone Features Fast Charging, AI face unlock Samsung KNOX, Game Booster
OTHERS Xiaomi Redmi 9 Samsung Galaxy A42 5G
Included Accessories SIM card removal tool, USB-C cable, TPU case, 10W charger Power adapter
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