Samsung Galaxy A8 (2018) vs. Xiaomi Redmi Note 9

Phone Comparison, Reviews and Tests

In depth comparison and review of Samsung Galaxy A8 (2018) and Xiaomi Redmi Note 9. Compare sizes, cameras, batteries, memory, and other important specifications and features to easily choose the right phone for you. Our goal is to help you uncover differences between the products and find the phone that will best fit your needs.

Phone Specifications Comparison

Samsung Galaxy A8 (2018) vs. Xiaomi Redmi Note 9 Comparison Chart
DESIGN AND DIMENSIONS Samsung Galaxy A8 (2018) Xiaomi Redmi Note 9
Product Type Smartphone Smartphone
Manufacturer Model Number SM-A530F -
Form Factor Touch Touch
Height 149.2 mm 162.3 mm Xiaomi Redmi Note 9 has greater height than Samsung Galaxy A8 (2018).
Width 70.6 mm 77.2 mm Xiaomi Redmi Note 9 has greater width than Samsung Galaxy A8 (2018).
Depth 8.4 mm 8.9 mm Samsung Galaxy A8 (2018) is narrower than Samsung Galaxy A8 (2018).
Weight 172 g 199 g Samsung Galaxy A8 (2018) is lighter than Samsung Galaxy A8 (2018).
Body Colour Orchid grey | Gold | Black Forest green
Protection Dustproof, waterproof Splashproof
Waterproof (Water-resistant) Yes - Samsung Galaxy A8 (2018) is waterproof.
IP rating IP68 -
SAR Value 1.25 W/kg (body), 0.241 W/kg (head) 2.262 W/kg (limb), 1.138 W/kg (body), 0.795 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 Single-SIM Dual-SIM
SIM Card Configuration Details - Nano SIM + nano SIM/microSD
DISPLAY Samsung Galaxy A8 (2018) Xiaomi Redmi Note 9
Display Type OLED display -
Display Technology Super AMOLED -
Screen Size (Display Size) 5.6" 6.53" Xiaomi Redmi Note 9 has larger screen size than Samsung Galaxy A8 (2018).
Screen Resolution (Display Resolution) 2220 x 1080 pixels 2340 x 1080 pixels Xiaomi Redmi Note 9 has better screen resolution than Samsung Galaxy A8 (2018).
Display Format - Full HD+
Pixel Density 440 ppi -
Aspect Ratio 18.5:9 19.5:9
Max Brightness - 450 cd/m²
Colour Depth 16.7 million colours -
Contrast Ratio - 1500:1
Display Features Always-on display, Infinity Display Reading mode 2.0, Dot Display, Full Screen gestures
Display Protection (Screen Protector) - Corning Gorilla Glass 5 (scratch resistant glass)
PROCESSOR Samsung Galaxy A8 (2018) Xiaomi Redmi Note 9
Processor Type (CPU) Samsung Exynos MediaTek Helio G85
Processor Number 7885 -
Clock Speed 2.2 GHz 2 GHz Samsung Galaxy A8 (2018) has higher clock speed than Xiaomi Redmi Note 9.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture Yes - Samsung Galaxy A8 (2018) has 64-bit architecture.
Graphics System (GPU) - ARM G52 MC2
MEMORY Samsung Galaxy A8 (2018) Xiaomi Redmi Note 9
RAM 4 GB 3 GB Samsung Galaxy A8 (2018) has more RAM than Xiaomi Redmi Note 9.
Internal Memory Size (Storage Capacity) 32 GB 64 GB Xiaomi Redmi Note 9 has more internal memory than Samsung Galaxy A8 (2018).
User Memory 22.7 GB -
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 256 GB microSD
CAMERA Samsung Galaxy A8 (2018) Xiaomi Redmi Note 9
MAIN CAMERA
Number of Main Cameras 1 4
Sensor Resolution 16 Megapixel 48 Megapixel Xiaomi Redmi Note 9 has better camera resolution than Samsung Galaxy A8 (2018).
Sensor Size 1/2.8" 1/2" Samsung Galaxy A8 (2018) has better camera sensor size than Xiaomi Redmi Note 9.
Lens Aperture F/1.7 F/1.79 Samsung Galaxy A8 (2018) has better lens aperture than Samsung Galaxy A8 (2018).
Lens Construction - 6-element
Field of View (FoV) - 79.4 degree(s)
Pixel Size - 0.8 μm
Focus Adjustment Automatic Automatic
Digital Zoom 4x -
Special Effects HDR, Beauty effect, Grid Line HDR, Kaleidoscope
Camera Modes Panorama, Pro mode, night mode, Beauty mode, HYPERLAPSE, low-light shots, Food mode Burst mode, Panorama, night mode, Smart ultra-wide angle mode, Photo timer, Custom watermark, Documents, Beautify, Levelling, Cinematic portraits
Face Recognition (Face ID) Face detection Face recognition Both phones have face detection.
Light Source LED flash Flash
Video Resolutions 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps
Camera Features (Functions) Quick Launch, Playback zoom, Phase Detect Auto-Focus (PDAF), Continuous Auto Focus (CAF), VDIS (Video Digital Image Stabilisation), Hyperlapse video with stabilisation, Tracking AF, Video location tags, Live stickers, Stamps, location tags, High CRI flash 4-in-1 Super Pixel, AI scene detection, Portrait mode with background blurring, Ultra wide-angle edge distortion correction, Steady handheld night photography, full screen frame, AI watermark
SECOND CAMERA
Sensor Resolution (2nd Camera) - 8 Megapixel
Sensor Size (2nd Camera) - 1/4"
Lens Type (2nd Camera) - Ultra wide-angle lens
Lens Aperture (2nd Camera) - F/2.2
Lens Element Qty (2nd Camera) - 5-element
Field of View (2nd Camera) - 118 degree(s)
Pixel Size (2nd Camera) - 1.2 μm
Camera Features (2nd Camera) - 5-piece lens
THIRD CAMERA
Sensor Resolution (3rd Camera) - 2 Megapixel
Lens Aperture (3rd Camera) - F/2.4
Pixel Size (3rd Camera) - 1.75 μm
Camera Functions (3rd Camera) - Macro camera
Camera Features (3rd Camera) - AF (2cm-10cm)
FOURTH CAMERA
Sensor Resolution (4th Camera) - 2 Megapixel
Sensor Size (4th Camera) - 1/5"
Lens Aperture (4th Camera) - F/2.4
Lens Element Qty (4th Camera) - 3-element
Pixel Size (4th Camera) - 1.75 μm
Camera Functions (4th Camera) - Depth camera
FRONT CAMERA
Number of Front Cameras 2 1
Sensor Resolution (Front) 16 Megapixel 13 Megapixel Samsung Galaxy A8 (2018) has better front camera resolution than Xiaomi Redmi Note 9.
Sensor Size (Front) 1/3.1" 1/3.06" Samsung Galaxy A8 (2018) has better front camera sensor size than Xiaomi Redmi Note 9.
Lens Aperture (Front) F/1.9 F/2.25 Samsung Galaxy A8 (2018) has better front lens aperture than Samsung Galaxy A8 (2018).
Lens Element Qty (Front) - 5-element
Field of View (Front) - 74 degree(s)
Pixel Size (Front) - 1.12 μm
Special Effects (Front) HDR, Grid Line HDR
Camera Modes (Front) Night mode, wide selfie mode, Beauty mode, Live Focus mode Panoramic selfies, AI portrait mode, AI Beautify
Face Recognition (Face ID) - Face recognition Xiaomi Redmi Note 9 has face detection.
Light Source (Front) - Display flash
Camera Features (Front) Quick launch, Live stickers, Stamps, location tags Palm shutter, AI silhouette detection
SECOND FRONT CAMERA
Sensor Resolution (2nd Front) 8 Megapixel -
Lens Aperture (2nd Front) F/1.9 -
BATTERY AND CHARGING Samsung Galaxy A8 (2018) Xiaomi Redmi Note 9
Battery Capacity (Battery Size) 3000 mAh 5020 mAh Xiaomi Redmi Note 9 has larger battery capacity than Samsung Galaxy A8 (2018).
Talk Time 1140 minutes 1980 minutes Xiaomi Redmi Note 9 has longer battery life when making calls than Samsung Galaxy A8 (2018).
Run Time Details Active online usage (3G): up to 12 hrs
Active online usage (LTE): up to 14 hrs
Active online usage (Wi-Fi): up to 15 hrs
Playback (video): up to 17 hrs
Playback (audio): up to 43 hrs
Playback (audio (Always On Display Off)): up to 64 hrs
Talk (3G): up to 1140 min
Talk: up to 1980 min
Gaming: up to 16 hrs
Playback (Music): up to 147 hrs
Navigation: up to 16 hrs
Battery Technology - Lithium polymer
CELLULAR Samsung Galaxy A8 (2018) Xiaomi Redmi Note 9
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System Android 7.1.1 Nougat -
Intelligent Assistant Bixby -
Navigation GPS, GLONASS, BeiDou GPS, A-GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS Samsung Galaxy A8 (2018) Xiaomi Redmi Note 9
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE 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 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 12, Band 13, Band 17, Band 18, Band 19, Band 20, Band 26, Band 28, Band 38, Band 40, Band 41, Band 66 Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, 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 700a, FDD 700c, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 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
Wireless Interface IEEE 802.11a/b/g/n/ac, ANT+/ANT IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 5.0 LE Bluetooth 5.0
NFC Yes - Samsung Galaxy A8 (2018) has NFC reader for mobile payments.
Messaging Services SMS, MMS -
MEDIA Samsung Galaxy A8 (2018) Xiaomi Redmi Note 9
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, APE (Monkey's Audio)
Supported Digital Video Standards MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 MKV, XviD, M4V, MP4
Audio Amplifier - Smart PA
FEATURES Samsung Galaxy A8 (2018) Xiaomi Redmi Note 9
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, barometer, gyro sensor, hall sensor, RGB sensor, geomagnetic sensor Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, infrared (IR) sensor
Security Devices Face recognition, fingerprint reader Face recognition, fingerprint reader
Additional Phone Features Fast Charging, S-Voice, Samsung KNOX, Dual Messenger, Smart View, Bixby Vision, Secure Folder function, MEMS microphones Infrared remote control, HyperEngine technology
OTHERS Samsung Galaxy A8 (2018) Xiaomi Redmi Note 9
Included Accessories Power adapter Protective cover, power adapter, SIM card removal tool, USB-C cable
Compliant Standards IP68 TUV Rheinland Low Blue Light Certification
Max Depth of Water Resistance 1.5 m -
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