Samsung Galaxy A90 5G vs. Samsung Galaxy A51 5G

Phone Comparison, Reviews and Tests

In depth comparison and review of Samsung Galaxy A90 5G and Samsung Galaxy A51 5G. 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. Samsung Galaxy A51 5G Comparison Chart
DESIGN AND DIMENSIONS Samsung Galaxy A90 5G Samsung Galaxy A51 5G
Product Type Smartphone Smartphone
Manufacturer Model Number SM-A908B SM-A516B/DS
Form Factor Touch Touch
Height 164.8 mm 158.9 mm Samsung Galaxy A90 5G has greater height than Samsung Galaxy A51 5G.
Width 76.4 mm 73.6 mm Samsung Galaxy A90 5G has greater width than Samsung Galaxy A51 5G.
Depth 8.4 mm 8.7 mm Samsung Galaxy A90 5G is narrower than Samsung Galaxy A90 5G.
Weight 206 g 187 g Samsung Galaxy A51 5G is lighter than Samsung Galaxy A90 5G.
Body Colour White | Black Prism cube black | Prism cube white
Waterproof (Water-resistant) - -
SAR Value 1.547 W/kg (body), 0.377 W/kg (head) 1.555 W/kg (body), 0.496 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
SIM Card Configuration Details - Nano SIM + nano SIM/microSD
DISPLAY Samsung Galaxy A90 5G Samsung Galaxy A51 5G
Display Type OLED display OLED display
Display Technology Super AMOLED Infinity-O Super AMOLED
Screen Size (Display Size) 6.7" 6.5" Samsung Galaxy A90 5G has larger screen size than Samsung Galaxy A51 5G.
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+
Colour Depth 16.7 million colours 16.7 million colours Both phones have the same color depth.
Display Features Edge-to-Edge screen, Infinity U Display Edge-to-Edge screen
PROCESSOR Samsung Galaxy A90 5G Samsung Galaxy A51 5G
Clock Speed 2.8 GHz 2.2 GHz Samsung Galaxy A90 5G has higher clock speed than Samsung Galaxy A51 5G.
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.
MEMORY Samsung Galaxy A90 5G Samsung Galaxy A51 5G
RAM 6 GB 6 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 106.4 GB 105.3 GB
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 512 GB microSDHC, microSDXC - up to 1 TB
CAMERA Samsung Galaxy A90 5G Samsung Galaxy A51 5G
MAIN CAMERA
Number of Main Cameras 3 4
Sensor Resolution 48 Megapixel 48 Megapixel Both phones have the same camera resolution.
Lens Aperture F/2.0 F/2.0 Both phones have the same camera lens aperture.
Focus Adjustment Automatic Automatic
Digital Zoom 8x 8x Both phones have the same digital zoom.
Special Effects - Bokeh effect
Camera Modes - Slow motion video
Light Source LED flash LED flash
Video Resolutions 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 240 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 480 fps
Camera Features (Functions) Live Focus, Super steady Live Focus, background blur
SECOND CAMERA
Sensor Resolution (2nd Camera) 5 Megapixel 12 Megapixel Samsung Galaxy A51 5G has better second camera resolution than Samsung Galaxy A90 5G.
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.
Field of View (2nd Camera) - 123 degree(s)
Camera Functions (2nd Camera) Depth camera -
THIRD CAMERA
Sensor Resolution (3rd Camera) 8 Megapixel 5 Megapixel Samsung Galaxy A90 5G has higher resolution third camera than Samsung Galaxy A51 5G.
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) -
Camera Functions (3rd Camera) - Macro camera
FOURTH CAMERA
Sensor Resolution (4th Camera) - 5 Megapixel
Lens Aperture (4th Camera) - F/2.2
Camera Functions (4th Camera) - Depth camera
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 32 Megapixel 32 Megapixel Both phones have the same front camera resolution.
Lens Aperture (Front) F/2.0 F/2.2 Samsung Galaxy A90 5G has better front lens aperture than Samsung Galaxy A90 5G.
Focus Adjustment Focus free Focus free
Camera Modes (Front) Selfie focus -
BATTERY AND CHARGING Samsung Galaxy A90 5G Samsung Galaxy A51 5G
Battery Capacity (Battery Size) 4500 mAh 4500 mAh Both phones have the same battery capacity.
Fast Charging Technology Samsung Super Fast Charging - Samsung Galaxy A90 5G has fast charging technology.
Talk Time 3240 minutes 1380 minutes Samsung Galaxy A90 5G has longer battery life when making calls than Samsung Galaxy A51 5G.
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 (4G): up to 1380 min
Active online usage (LTE): up to 16 hrs
Active online usage (Wi-Fi): up to 17 hrs
Playback (video): up to 19 hrs
Playback (audio): up to 86 hrs
CELLULAR Samsung Galaxy A90 5G Samsung Galaxy A51 5G
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 5G 5G Both phones have the same mobile network generation.
Operating System Google Android -
Intelligent Assistant Bixby Bixby
Navigation GPS, GLONASS, BeiDou, Galileo GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS Samsung Galaxy A90 5G Samsung Galaxy A51 5G
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE, 5G NR FR1 GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE, 5G NR FR1
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM 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 5, Band 8
3G UMTS Frequency 2100, 1900, 1700, 850, 900 2100, 1900, 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 3, Band 4, Band 5, Band 7, Band 8, Band 12, 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 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500
5G NR Band N78 N41, n78
5G NR Frequency TDD TD 3500 TDD TD 2500, TDD TD 3500
Wireless Interface IEEE 802.11a/b/g/n/ac, ANT+ IEEE 802.11a/b/g/n/ac, ANT+
Bluetooth Bluetooth 5.0 LE Bluetooth 5.0
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA Samsung Galaxy A90 5G Samsung Galaxy A51 5G
Supported Digital Audio Standards WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID 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 MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4
FEATURES Samsung Galaxy A90 5G Samsung Galaxy A51 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, proximity sensor, gyro sensor, hall sensor, RGB sensor, geomagnetic sensor Accelerometer, ambient light sensor, gyro sensor, hall sensor, geomagnetic sensor
Security Devices Fingerprint reader (under display) Fingerprint reader (under display)
Additional Phone Features MIMO technology, Samsung KNOX, Samsung DeX support, Bixby Vision, Bixby Routines Fast Charging, Samsung KNOX, Bixby Vision, Bixby Routines, Virtual Proximity Sensing
OTHERS Samsung Galaxy A90 5G Samsung Galaxy A51 5G
Included Accessories Power adapter Power adapter
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