Samsung Galaxy A51 vs. Motorola Moto G9 Plus

Phone Comparison, Reviews and Tests

In depth comparison and review of Samsung Galaxy A51 and Motorola Moto G9 Plus. 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 A51 vs. Motorola Moto G9 Plus Comparison Chart
DESIGN AND DIMENSIONS Samsung Galaxy A51 Motorola Moto G9 Plus
Product Type Smartphone Smartphone
Manufacturer Model Number SM-A515F/DSN -
Form Factor Touch Touch
Height 158.5 mm 169.98 mm Motorola Moto G9 Plus has greater height than Samsung Galaxy A51.
Width 73.6 mm 78.1 mm Motorola Moto G9 Plus has greater width than Samsung Galaxy A51.
Depth 7.9 mm 9.69 mm Samsung Galaxy A51 is narrower than Samsung Galaxy A51.
Weight 172 g 223.3 g Samsung Galaxy A51 is lighter than Samsung Galaxy A51.
Body Colour Silver | Prism crush black | Haze crush silver | Prism crush blue | Prism crush white Navy blue
Protection - Splash-resistant
Waterproof (Water-resistant) - -
SAR Value 0.369 W/kg (head), 1.59 W/kg (body), 2.93 W/kg (limb) -
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 Samsung Galaxy A51 Motorola Moto G9 Plus
Display Type OLED display LCD display
Display Technology Super AMOLED LTPS
Screen Size (Display Size) 6.5" 6.8" Motorola Moto G9 Plus has larger screen size than Samsung Galaxy A51.
Screen Resolution (Display Resolution) 2400 x 1080 pixels 2400 x 1080 pixels Both phones have the same screen resolution.
Display Format Full HD+ Full HD+
Pixel Density 408 ppi 386 ppi Samsung Galaxy A51 has better pixel density than Motorola Moto G9 Plus.
Aspect Ratio - 20:9
Colour Depth 16.7 million colours -
Display Features Edge-to-Edge screen, Infinity O display Attentive display, Max Vision display, Peek Display
PROCESSOR Samsung Galaxy A51 Motorola Moto G9 Plus
Processor Type (CPU) Samsung Exynos 9611 Qualcomm Snapdragon 730G
Clock Speed 2.3 GHz -
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture Yes Yes Both phones have 64-bit architecture.
Graphics System (GPU) - Qualcomm ADRENO 618
MEMORY Samsung Galaxy A51 Motorola Moto G9 Plus
RAM 4 GB 4 GB Both phones have the same RAM size.
Internal Memory Size (Storage Capacity) 128 GB 128 GB Both phones have the same internal memory capacity.
User Memory 107 GB -
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 512 GB microSDHC, microSDXC - up to 512 GB
CAMERA Samsung Galaxy A51 Motorola Moto G9 Plus
MAIN CAMERA
Number of Main Cameras 4 4
Sensor Resolution 48 Megapixel 64 Megapixel Motorola Moto G9 Plus has better camera resolution than Samsung Galaxy A51.
Lens Aperture F/2.0 F/1.8 Motorola Moto G9 Plus has better lens aperture than Samsung Galaxy A51.
Focus Adjustment Automatic Automatic
Digital Zoom 8x -
Self-Timer Delay - Yes
Special Effects - HDR, Colour replace, Spot Colour
Camera Modes Slow motion mode, Live Focus mode Slow motion video, Panorama, manual mode, Best Shot, Gesture Shot, HYPERLAPSE, portrait mode, Timelapse video, Active photos, Portrait Lighting, Cinemagraph, Macro video
Face Recognition (Face ID) - Auto smile capture Motorola Moto G9 Plus has face detection.
Light Source LED 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, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps
Camera Features (Functions) AR sticker, background blur, Scene Optimiser, Eye blink, Flaw detection, Stamp, Facial blur RAW image capture, EIS video stabilisation, Cutout, High-res zoom, smart composition, Shot optimisation
SECOND CAMERA
Sensor Resolution (2nd Camera) 12 Megapixel 8 Megapixel Samsung Galaxy A51 has better second camera resolution than Motorola Moto G9 Plus.
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) 123 degree(s) 118 degree(s) Samsung Galaxy A51 has larger second camera lens field of view than Motorola Moto G9 Plus.
Pixel Size (2nd Camera) - 1.12 μm
THIRD CAMERA
Sensor Resolution (3rd Camera) 5 Megapixel 2 Megapixel Samsung Galaxy A51 has higher resolution third camera than Motorola Moto G9 Plus.
Lens Aperture (3rd Camera) F/2.4 F/2.2 Motorola Moto G9 Plus has better third camera lens aperture than Samsung Galaxy A51.
Pixel Size (3rd Camera) - 1.75 μm
Camera Functions (3rd Camera) Macro camera Macro camera
FOURTH CAMERA
Sensor Resolution (4th Camera) 5 Megapixel 2 Megapixel Samsung Galaxy A51 has higher resolution fourth camera than Motorola Moto G9 Plus.
Lens Type (4th Camera) Telephoto lens -
Lens Aperture (4th Camera) F/2.2 F/2.2 Both phones have the same lens aperture of the fourth camera.
Pixel Size (4th Camera) - 1.75 μm
Camera Functions (4th Camera) Depth camera Depth camera
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 32 Megapixel 16 Megapixel Samsung Galaxy A51 has better front camera resolution than Motorola Moto G9 Plus.
Lens Aperture (Front) F/2.2 F/2.0 Motorola Moto G9 Plus has better front lens aperture than Samsung Galaxy A51.
Pixel Size (Front) - 1 μm
Focus Adjustment Focus free -
Special Effects (Front) - HDR, Spot Colour
Camera Modes (Front) - Timer mode, manual mode, HYPERLAPSE, RAW mode, portrait mode, Timelapse video, Active photos, Cinemagraph, Gesture selfie, Group selfie
Face Recognition (Face ID) - Auto smile capture Motorola Moto G9 Plus has face detection.
Video Resolutions (Front) - 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps
BATTERY AND CHARGING Samsung Galaxy A51 Motorola Moto G9 Plus
Battery Capacity (Battery Size) 4000 mAh 5000 mAh Motorola Moto G9 Plus has larger battery capacity than Samsung Galaxy A51.
Fast Charging Technology - TurboPower technology Motorola Moto G9 Plus has fast charging technology.
Talk Time 1920 minutes -
Run Time Details Active online usage (LTE): up to 15 hrs
Active online usage (Wi-Fi): up to 16 hrs
Playback (video): up to 20 hrs
Playback (audio): up to 87 hrs
Talk (4G): up to 1920 min
-
Battery Technology Lithium Ion -
CELLULAR Samsung Galaxy A51 Motorola Moto G9 Plus
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System Android 10 Android 10
User Interface One UI -
Intelligent Assistant Bixby Google Assistant
Navigation GPS, GLONASS, BeiDou, Galileo GPS, A-GPS, GLONASS, Galileo
COMMUNICATIONS Samsung Galaxy A51 Motorola Moto G9 Plus
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE
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 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, Band 66
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, FDD 1700 - 2110 AWS-3
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
Bluetooth Profiles HFP, HSP, OPP, PAN, A2DP, AVRCP, HID, SAP, PBAP, MAP, HOGP -
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA Samsung Galaxy A51 Motorola Moto G9 Plus
Supported Digital Audio Standards WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID -
Supported Digital Video Standards MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 -
FEATURES Samsung Galaxy A51 Motorola Moto G9 Plus
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, proximity sensor, gyro sensor, hall sensor, geomagnetic sensor Accelerometer, ambient light sensor, proximity sensor, gyro sensor
Security Devices Fingerprint reader (under display) Fingerprint reader
Additional Phone Features Fast Charging, Samsung KNOX, Bixby Vision, Game Booster, Bixby Routines Dual microphones, Android Sensor Hub, Quick gestures, Google Lens
OTHERS Samsung Galaxy A51 Motorola Moto G9 Plus
Included Accessories Power adapter Power adapter, SIM card removal tool, USB-C cable
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