Samsung Galaxy A51 US Unlocked (SM-A515U1) vs Samsung Galaxy A21 US Unlocked (SM-A215U1)

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What is the difference between the Samsung Galaxy A51 and Galaxy A21?

To find out the difference between the Galaxy A51 and Galaxy A21 you should compare their specifications side by side.

How to Identify the Main Differences between the Galaxy A51 and Galaxy A21?

To identify these differences you have to compare the following specifications:
– Galaxy A51 vs. Galaxy A21 Dimensions and Weight.
– Galaxy A51 vs. Galaxy A21 Processor (CPU and GPU Type).
– Galaxy A51 vs. Galaxy A21 Screen size and technology.
– Galaxy A51 vs. Galaxy A21 RAM and Storage Size.
– Galaxy A51 vs. Galaxy A21 Camera Specs.
– Galaxy A51 vs. Galaxy A21 Battery Life and Size.

Product Name
Samsung Galaxy A51 US Unlocked (SM-A515U1)
Samsung Galaxy A21 US Unlocked (SM-A215U1)
Product Image

GENERAL INFORMATION

Model Name
Galaxy A51 US Unlocked Galaxy A21 US Unlocked
Model Number
SM-A515U1 SM-A215U1
Device Type
Phone Phone
Colors
Prism Crush Black, Prism Crush Blue, Prism Crush White Black
Announced
April, 2020 April, 2020
Released
May, 2020 June, 2020
User Guide

Download Samsung Galaxy A51 User Guide

Download Samsung Galaxy A21 User Guide
Samsung FRP Lock
Samsung Galaxy A51 FRP Lock Bypass Samsung Galaxy A21 FRP Lock Bypass

PHYSICAL SPECS

Dimensions
158.5 x 73.6 x 7.9 mm 167.8 x 76.7 x 8.1 mm
Weight
172 g 193g
SIM Card
Single SIM Single
SIM Card Size
Nano-SIM (4FF) Nano-SIM (4FF)

Essential Accessories (external affiliate links)

OPERATING SYSTEM

Platform
Android Android
Installed OS Version
Android 10 Android 10.0

NETWORK

Supported Network
2G, 3G, 4G / LTE 2G, 3G, 4G / LTE

DISPLAY

Technology (Main Display)
Super AMOLED TFT Touch Screen
Size (Main Display)
6.5 inches (164.0mm) 6.5 Inches (166.3mm)
Color Depth (Main Display)
16M Colors 16M Colors
Resolution (Main Display)
FHD+ 1080 × 2400 Pixels HD+ 720 x 1600 Pixels
Pixel Density
405 PPI 270 PPI
S Pen Support
No
More Display Features
Infinity-O Display Infinity-O Display

PROCESSOR

CPU Type
Exynos 9611 MediaTek Helio P35
CPU Speed
4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53 4x2.3 GHz and 4x1.8 GHz
Cores
8 Cores (Octa-Core) 8 Cores (Octa-Core)
GPU
Mali-G72 MP3 IMG PowerVR GE8320

MEMORY

RAM Size
4GB 3GB
ROM Size
128GB 32GB
External Memory Support
MicroSD (Up to 512GB) MicroSD (Up to 512GB)

SENSORS

Built In Sensors
Accelerometer, Fingerprint Sensor, Gyro Sensor, Geomagnetic Sensor, Hall Sensor, Light Sensor, Virtual Proximity Sensing Accelerometer, Fingerprint Sensor, Gyro Sensor, Geomagnetic Sensor, Light Sensor, Proximity Sensor

AUDIO and VIDEO

Audio Playing Format
MP3, M4A, 3GA, AAC, OGG, OGA, WAV, WMA, AMR, AWB, FLAC, MID, MIDI, XMF, MXMF, IMY, RTTTL, RTX, OTA MP3, M4A, 3GA, AAC, OGG, OGA, WAV, WMA, AMR, AWB, FLAC, MID, MIDI, XMF, MXMF, IMY, RTTTL, RTX, OTA
Video Playing Format
MP4, M4V, 3GP, 3G2, WMV, ASF, AVI, FLV, MKV, WEBM MP4, M4V, 3GP, 3G2, WMV, ASF, AVI, FLV, MKV, WEBM
Video Recording Resolution
UHD 4K (3840 x 2160 Pixels) @30fps FHD (1920 x 1080 Pixels) @30fps
Video Playing Resolution
UHD 4K (3840 x 2160 Pixels) @120fps FHD (1920 x 1080 Pixels) @30fps

CAMERA

Rear Camera
Quad Quad
Front Camera
Single Single
Rear Camera - Resolution
48MP + 12MP Ultra-Wide + 5MP Depth Sensor + 5MP Macro 16.0 MP Wide + 8.0 MP Ultra-Wide + 2.0 MP Depth + 2.0 MP Macro
Front Camera - Resolution
32.0MP 13.0 MP
Rear Camera - Flash
Yes Yes
Front Camera - Flash
No No
Rear Camera - Auto Focus
Yes Yes
Front Camera - Auto Focus
No No
Rear Camera - F Number
F2.0, F2.2, F2.2, F2.4 F1.8 , F2.2 , F2.4 , F2.4
Front Camera - F Number
F2.2 F2.0
Optical Image Stabilizer (OIS)
No No
Camera Features
- Panorama.
- HDR.
- Main Camera Digital Zoom up to 8x.
- Slow Motion 240fps @HD. - HDR.
- Panorama.
- Digital Zoom up to 8x.

CONNECTIVITY

ANT+
Yes No
USB Version
USB 2.0 v2.0
USB Interface
USB Type-C Type-C
Earjack
3.5mm Stereo 3.5mm Stereo
Bluetooth Version
Bluetooth v5.0 (LE up to 2 Mbps) Bluetooth v5.0 (LE up to 2 Mbps)
Wi-Fi
802.11 a/b/g/n/ac 2.4G+5GHz, VHT80 802.11 a/b/g/n/ac 2.4+5GHz
Wi-Fi Direct
Yes Yes
NFC
Yes Yes
Location Technology
GPS, Glonass, Beidou, Galileo GPS, Glonass
Mobile High-Definition Link (MHL)
No No
PC Sync
Samsung Smart Switch Samsung Smart Switch

BATTERY

Standard Battery Capacity (mAh)
4,000 mAh 4000mAh
Removable
No No
Fast Charging Support
Yes Yes
Talk Time
Up to 28H (4G LTE)
Audio Playback Time (Hours)
Up to 85H Up to 109H
Video Playback Time (Hours)
Up to 19H Up to 21H
Internet Usage Time(LTE) (Hours)
Up to 15H
Internet Usage Time(Wi-Fi) (Hours)
Up to 16H

FEATURES

More Features
- Fast Wired Charging (15 watts).
- Infinity-O Display.
- Dolby Atmos (wired audio).
- Facial Recognition.
- In-Display Optical Fingerprint Sensor.
- Samsung Pay. - Infinity-O Display.
- Ultrasonic Fingerprint ID.

Disclaimer Notice:

Disclaimer Notice:
These specifications and features are collected from Samsung official websites and world trusted sources. But even thus We can not guarantee that the information on this page is 100% correct. So If any particular specification is vital to you, we always recommend checking with the phone seller before buying the wanted device. These specifications and features are collected from Samsung official websites and world trusted sources. But even thus We can not guarantee that the information on this page is 100% correct. So If any particular specification is vital to you, we always recommend checking with the phone seller before buying the wanted device.