Samsung Galaxy A9 (2018) vs. Xiaomi Redmi Note 8

Phone Comparison, Reviews and Tests

Side by side comparison and review of Samsung Galaxy A9 (2018) and Xiaomi Redmi Note 8. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.

Phone Specifications Comparison

Samsung Galaxy A9 (2018) vs. Xiaomi Redmi Note 8 Comparison Chart
DESIGN AND DIMENSIONS Samsung Galaxy A9 (2018) Xiaomi Redmi Note 8
Product Type Smartphone Smartphone
Manufacturer Model Number SM-A920F/DS -
Form Factor Touch Touch
Height 162.5 mm 158.3 mm Samsung Galaxy A9 (2018) has greater height than Xiaomi Redmi Note 8.
Width 77 mm 75.3 mm Samsung Galaxy A9 (2018) has greater width than Xiaomi Redmi Note 8.
Depth 7.8 mm 8.35 mm Samsung Galaxy A9 (2018) is narrower than Samsung Galaxy A9 (2018).
Weight 183 g 190 g Samsung Galaxy A9 (2018) is lighter than Samsung Galaxy A9 (2018).
Body Colour Lemonade blue | Caviar black | Bubblegum pink Moonlight white | Space black | Neptune blue
Body Material - Corning Gorilla Glass 5
Protection - Splash-resistant
Waterproof (Water-resistant) - -
SAR Value 1.587 W/kg (body), 0.351 W/kg (head) -
Connector Type USB Type-C - 24 pin USB-C USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
SIM Card Type (Size) Nano SIM Nano SIM
SIM Card Qty Single-SIM Dual-SIM
DISPLAY Samsung Galaxy A9 (2018) Xiaomi Redmi Note 8
Display Type OLED display LCD display
Display Technology Super AMOLED -
Screen Size (Display Size) 6.3" 6.3" Both phones have the same screen size.
Screen Resolution (Display Resolution) 2220 x 1080 pixels 2340 x 1080 pixels Xiaomi Redmi Note 8 has better screen resolution than Samsung Galaxy A9 (2018).
Display Format Full HD+ Full HD+
Aspect Ratio - 19.5:9
Colour Depth 16.7 million colours -
Contrast Ratio - 1500:1
Display Enhancement Technology - Sunlight mode
Display Features Always-on display Eye protection mode, Colour temperature adjustment, night mode, Dot Drop display
Display Protection (Screen Protector) - Corning Gorilla Glass 5 (scratch resistant glass)
PROCESSOR Samsung Galaxy A9 (2018) Xiaomi Redmi Note 8
Processor Type (CPU) Qualcomm Snapdragon 660 Qualcomm Snapdragon 665
Clock Speed 2.2 GHz 2 GHz Samsung Galaxy A9 (2018) has higher clock speed than Xiaomi Redmi Note 8.
Processor Core Qty 8-core -
64-bit Architecture Yes - Samsung Galaxy A9 (2018) has 64-bit architecture.
Graphics System (GPU) - Qualcomm ADRENO 610
MEMORY Samsung Galaxy A9 (2018) Xiaomi Redmi Note 8
RAM 6 GB 4 GB Samsung Galaxy A9 (2018) has more RAM than Xiaomi Redmi Note 8.
Internal Memory Size (Storage Capacity) 128 GB 64 GB Samsung Galaxy A9 (2018) has more internal memory than Xiaomi Redmi Note 8.
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 512 GB microSDHC, microSDXC
CAMERA Samsung Galaxy A9 (2018) Xiaomi Redmi Note 8
MAIN CAMERA
Number of Main Cameras 4 4
Sensor Resolution 24 Megapixel 48 Megapixel Xiaomi Redmi Note 8 has better camera resolution than Samsung Galaxy A9 (2018).
Sensor Size - 1.2"
Lens Aperture F/1.7 F/1.75 Samsung Galaxy A9 (2018) has better lens aperture than Samsung Galaxy A9 (2018).
Lens Construction - 6-element
Field of View (FoV) - 79.4 degree(s)
Pixel Size - 0.8 μm
Focus Adjustment Automatic Automatic
Special Effects - HDR
Camera Modes - Burst mode, Panorama, Pro mode, Smart ultra-wide angle mode, Photo timer, Custom watermark, Beautify
Face Recognition (Face ID) - Face recognition Xiaomi Redmi Note 8 has face detection.
Light Source LED flash Single tone LED flash
Still Image Resolutions - 8000 x 6000
Video Resolutions - 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1920 x 1080 (1080p) at 120 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 120 fps
Camera Features (Functions) - EIS video stabilisation, 4-in-1 Super Pixel, AI scene detection, Portrait mode with background blurring, Portrait mode background blur adjustment, Ultra wide-angle edge distortion correction, Steady handheld night photography, levelling, full screen frame
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/2.4 F/2.2 Xiaomi Redmi Note 8 has better second camera lens aperture than Samsung Galaxy A9 (2018).
Field of View (2nd Camera) - 120 degree(s)
Pixel Size (2nd Camera) - 1.12 μm
THIRD CAMERA
Sensor Resolution (3rd Camera) 10 Megapixel 2 Megapixel Samsung Galaxy A9 (2018) has higher resolution third camera than Xiaomi Redmi Note 8.
Lens Type (3rd Camera) Telephoto lens -
Lens Aperture (3rd Camera) F/2.4 F/2.4 Both phones have the same lens aperture of the third camera.
Pixel Size (3rd Camera) - 1.75 μm
Optical Zoom 2x -
Camera Functions (3rd Camera) - Macro camera
FOURTH CAMERA
Sensor Resolution (4th Camera) 5 Megapixel 2 Megapixel Samsung Galaxy A9 (2018) has higher resolution fourth camera than Xiaomi Redmi Note 8.
Lens Aperture (4th Camera) F/2.2 F/2.4 Samsung Galaxy A9 (2018) has better fourth camera lens aperture than Samsung Galaxy A9 (2018).
Pixel Size (4th Camera) - 1.75 μm
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 24 Megapixel 13 Megapixel Samsung Galaxy A9 (2018) has better front camera resolution than Xiaomi Redmi Note 8.
Lens Aperture (Front) F/2.0 F/2.0 Both phones have the same front camera lens aperture.
Pixel Size (Front) - 1.12 μm
Camera Modes (Front) - Panorama, Hand Gesture, Portrait, Beautify
Face Recognition (Face ID) - Face recognition Xiaomi Redmi Note 8 has face detection.
Video Resolutions (Front) - 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps
Camera Features (Front) - Self-timer, camera display brightness correction, AI seperation, selfie mirror, blur adjustment, full screen frame
BATTERY AND CHARGING Samsung Galaxy A9 (2018) Xiaomi Redmi Note 8
Battery Capacity (Battery Size) 3800 mAh 4000 mAh Xiaomi Redmi Note 8 has larger battery capacity than Samsung Galaxy A9 (2018).
Recharge Time (Charging Time) - 2 hour(s)
Battery Technology - Lithium polymer
CELLULAR Samsung Galaxy A9 (2018) Xiaomi Redmi Note 8
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System Android 8.0 Oreo -
Intelligent Assistant Bixby -
Payment Technology Samsung Pay -
Navigation GPS, A-GPS, GLONASS, BeiDou, Galileo GPS, A-GPS, GLONASS, BeiDou
COMMUNICATIONS Samsung Galaxy A9 (2018) Xiaomi Redmi Note 8
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM 850 GSM, 900 GSM, 1900 GSM, 2100 GSM
3G UMTS Band - Band 1, Band 2, Band 4, Band 5, Band 8
3G UMTS Frequency - 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 38, Band 40
4G LTE Frequency - FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 2300
Wireless Interface IEEE 802.11a/b/g/n/ac, ANT+/ANT IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 5.0 Bluetooth 4.2
NFC Yes - Samsung Galaxy A9 (2018) has NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA Samsung Galaxy A9 (2018) Xiaomi Redmi Note 8
Supported Digital Audio Standards WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID WAV, AAC, AMR, MP3, FLAC
Supported Digital Video Standards MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 MKV, VC-1, XviD, MPEG-4, H.264, M4V, HEVC
Audio Amplifier - Smart PA
FEATURES Samsung Galaxy A9 (2018) Xiaomi Redmi Note 8
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, proximity sensor, gyro sensor, hall sensor, RGB sensor, geomagnetic sensor Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor
Security Devices Face recognition, fingerprint reader Fingerprint reader
Additional Phone Features MIMO technology, Bixby Vision Infrared remote control, Dual microphones, Fast Charging, AI Engine, auto cleaning speaker
OTHERS Samsung Galaxy A9 (2018) Xiaomi Redmi Note 8
Included Accessories Power adapter Power adapter, SIM card removal tool, USB-C cable, soft case
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