Samsung Galaxy A90 5G vs. Xiaomi Redmi Note 9

Phone Comparison, Reviews and Tests

In depth comparison and review of Samsung Galaxy A90 5G 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 A90 5G vs. Xiaomi Redmi Note 9 Comparison Chart
DESIGN AND DIMENSIONS Samsung Galaxy A90 5G Xiaomi Redmi Note 9
Product Type Smartphone Smartphone
Manufacturer Model Number SM-A908B -
Form Factor Touch Touch
Height 164.8 mm 162.3 mm Samsung Galaxy A90 5G has greater height than Xiaomi Redmi Note 9.
Width 76.4 mm 77.2 mm Xiaomi Redmi Note 9 has greater width than Samsung Galaxy A90 5G.
Depth 8.4 mm 8.9 mm Samsung Galaxy A90 5G is narrower than Samsung Galaxy A90 5G.
Weight 206 g 199 g Xiaomi Redmi Note 9 is lighter than Samsung Galaxy A90 5G.
Body Colour White | Black Forest green
Protection - Splashproof
Waterproof (Water-resistant) - -
SAR Value 1.547 W/kg (body), 0.377 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 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 A90 5G Xiaomi Redmi Note 9
Display Type OLED display -
Display Technology Super AMOLED -
Screen Size (Display Size) 6.7" 6.53" Samsung Galaxy A90 5G has larger screen size than Xiaomi Redmi Note 9.
Screen Resolution (Display Resolution) 2400 x 1080 pixels 2340 x 1080 pixels Samsung Galaxy A90 5G has better screen resolution than Xiaomi Redmi Note 9.
Display Format Full HD+ Full HD+
Aspect Ratio - 19.5:9
Max Brightness - 450 cd/m²
Colour Depth 16.7 million colours -
Contrast Ratio - 1500:1
Display Features Edge-to-Edge screen, Infinity U Display Reading mode 2.0, Dot Display, Full Screen gestures
Display Protection (Screen Protector) - Corning Gorilla Glass 5 (scratch resistant glass)
PROCESSOR Samsung Galaxy A90 5G Xiaomi Redmi Note 9
Processor Type (CPU) - MediaTek Helio G85
Clock Speed 2.8 GHz 2 GHz Samsung Galaxy A90 5G 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 A90 5G has 64-bit architecture.
Graphics System (GPU) - ARM G52 MC2
MEMORY Samsung Galaxy A90 5G Xiaomi Redmi Note 9
RAM 6 GB 3 GB Samsung Galaxy A90 5G has more RAM than Xiaomi Redmi Note 9.
Internal Memory Size (Storage Capacity) 128 GB 64 GB Samsung Galaxy A90 5G has more internal memory than Xiaomi Redmi Note 9.
User Memory 106.4 GB -
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 512 GB microSD
CAMERA Samsung Galaxy A90 5G Xiaomi Redmi Note 9
MAIN CAMERA
Number of Main Cameras 3 4
Sensor Resolution 48 Megapixel 48 Megapixel Both phones have the same camera resolution.
Sensor Size - 1/2"
Lens Aperture F/2.0 F/1.79 Xiaomi Redmi Note 9 has better lens aperture than Samsung Galaxy A90 5G.
Lens Construction - 6-element
Field of View (FoV) - 79.4 degree(s)
Pixel Size - 0.8 μm
Focus Adjustment Automatic Automatic
Digital Zoom 8x -
Special Effects - HDR, Kaleidoscope
Camera Modes - Burst mode, Panorama, night mode, Smart ultra-wide angle mode, Photo timer, Custom watermark, Documents, Beautify, Levelling, Cinematic portraits
Face Recognition (Face ID) - Face recognition Xiaomi Redmi Note 9 has face detection.
Light Source LED flash Flash
Video Resolutions Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) 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) Live Focus, Super steady 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) 5 Megapixel 8 Megapixel Xiaomi Redmi Note 9 has better second camera resolution than Samsung Galaxy A90 5G.
Sensor Size (2nd Camera) - 1/4"
Lens Type (2nd Camera) - Ultra wide-angle lens
Lens Aperture (2nd Camera) F/2.2 F/2.2 Both phones have the same second camera lens aperture.
Lens Element Qty (2nd Camera) - 5-element
Field of View (2nd Camera) - 118 degree(s)
Pixel Size (2nd Camera) - 1.2 μm
Camera Functions (2nd Camera) Depth camera -
Camera Features (2nd Camera) - 5-piece lens
THIRD CAMERA
Sensor Resolution (3rd Camera) 8 Megapixel 2 Megapixel Samsung Galaxy A90 5G has higher resolution third camera than Xiaomi Redmi Note 9.
Lens Type (3rd Camera) Ultra wide-angle lens -
Lens Aperture (3rd Camera) F/2.2 F/2.4 Samsung Galaxy A90 5G has better third camera lens aperture than Samsung Galaxy A90 5G.
Field of View (3rd Camera) 123 degree(s) -
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 1 1
Sensor Resolution (Front) 32 Megapixel 13 Megapixel Samsung Galaxy A90 5G has better front camera resolution than Xiaomi Redmi Note 9.
Sensor Size (Front) - 1/3.06"
Lens Aperture (Front) F/2.0 F/2.25 Samsung Galaxy A90 5G has better front lens aperture than Samsung Galaxy A90 5G.
Lens Element Qty (Front) - 5-element
Field of View (Front) - 74 degree(s)
Pixel Size (Front) - 1.12 μm
Focus Adjustment Focus free -
Special Effects (Front) - HDR
Camera Modes (Front) Selfie focus 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) - Palm shutter, AI silhouette detection
BATTERY AND CHARGING Samsung Galaxy A90 5G Xiaomi Redmi Note 9
Battery Capacity (Battery Size) 4500 mAh 5020 mAh Xiaomi Redmi Note 9 has larger battery capacity than Samsung Galaxy A90 5G.
Fast Charging Technology Samsung Super Fast Charging - Samsung Galaxy A90 5G has fast charging technology.
Talk Time 3240 minutes 1980 minutes Samsung Galaxy A90 5G has longer battery life when making calls than Xiaomi Redmi Note 9.
Run Time Details Active online usage (LTE): up to 16 hrs
Active online usage (Wi-Fi): up to 17 hrs
Playback (wireless video): up to 25 hrs
Playback (wireless audio): up to 101 hrs
Talk (LTE): up to 3240 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 A90 5G Xiaomi Redmi Note 9
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 5G 4G Samsung Galaxy A90 5G has more advanced generation mobile network.
Operating System Google Android -
Intelligent Assistant Bixby -
Navigation GPS, GLONASS, BeiDou, Galileo GPS, A-GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS Samsung Galaxy A90 5G Xiaomi Redmi Note 9
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE, 5G NR FR1 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 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 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
5G NR Band N78 -
5G NR Frequency TDD TD 3500 -
Wireless Interface IEEE 802.11a/b/g/n/ac, ANT+ IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 5.0 LE Bluetooth 5.0
NFC Yes - Samsung Galaxy A90 5G has NFC reader for mobile payments.
Messaging Services SMS, MMS -
MEDIA Samsung Galaxy A90 5G 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, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 MKV, XviD, M4V, MP4
Audio Amplifier - Smart PA
FEATURES Samsung Galaxy A90 5G 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, gyro sensor, hall sensor, RGB sensor, geomagnetic sensor Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, infrared (IR) sensor
Security Devices Fingerprint reader (under display) Face recognition, fingerprint reader
Additional Phone Features MIMO technology, Samsung KNOX, Samsung DeX support, Bixby Vision, Bixby Routines Infrared remote control, HyperEngine technology
OTHERS Samsung Galaxy A90 5G Xiaomi Redmi Note 9
Included Accessories Power adapter Protective cover, power adapter, SIM card removal tool, USB-C cable
Compliant Standards - TUV Rheinland Low Blue Light Certification
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