realme X3 SuperZoom vs Samsung Galaxy M51 vs Samsung Galaxy A51 - specs comparison

Display

Size:

6.6 inches

6.7 inches

6.5 inches

Resolution:

2400 x 1080 pixels, 20:9 ratio, 399 PPI

2340 x 1080 pixels, 20:9 ratio, 385 PPI

2400 x 1080 pixels, 20:9 ratio, 405 PPI

Technology:

IPS LCD

Super AMOLED Plus

Super AMOLED

Screen-to-body:

84.81 %

88.27 %

87.37 %

Features:

120Hz refresh rate, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor

Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

60Hz refresh rate, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Hardware

System chip:

Qualcomm Snapdragon 855+ SM8150-AC

Qualcomm Snapdragon 730 SM7150-AA

Samsung Exynos 9611

Processor:

Octa-core, 2960 MHz, Kryo 485, 64-bit, 7 nm

Octa-core, 2200 MHz, Kryo 470, 64-bit, 8 nm

Octa-core, 2300 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm

GPU:

Adreno 640

Adreno 618

Mali-G72 MP3

RAM:

8GB LPDDR4

6GB LPDDR4

4GB LPDDR4

Internal storage:

128GB (UFS 3.0), not expandable

128GB, available to use: 106 GB

128GB, available to use: 105.9 GB

Storage expansion:

microSDXC up to 512 GB

Device type:

Smartphone

OS:

Android (10)

Android (10), Samsung One UI

Android (11, 10), Samsung One UI

Battery

Capacity:

4200 mAh

7000 mAh

4000 mAh

Type:

Li - Polymer, Not user replaceable

Not user replaceable

Li - Polymer, Not user replaceable

Battery life test results:

link

Charging:

Fast charging

Fast charging, Reverse charging

Fast charging

Max charge speed:

Wired: 30.0W

Wired: 25.0W

Camera

Rear:

Quad camera

Main camera:

64 MP (PDAF)

48 MP (PDAF)

Specifications:

F1.8; 26 mm; 1/1.7"; 0.8 μm

F1.8; 26 mm; 1/1.76"; 0.8 μm

F2.0; 26 mm; 1/2"; 0.8 μm

Second camera:

8 MP (Telephoto, OIS, PDAF)

12 MP (Ultra-wide)

Specifications:

Optical zoom: 5.0x; Aperture size: F3.4; Focal Length: 124 mm

Aperture size: F2.2

Aperture size: F2.2; Focal Length: 13 mm; Pixel size: 1.12 μm

Third camera:

8 MP (Ultra-wide)

5 MP (Macro)

Specifications:

Aperture size: F2.3; Focal Length: 16 mm; Sensor size: 1/4"; Pixel size: 1.12 μm

Aperture size: F2.4

Aperture size: F2.4; Focal Length: 40 mm

Fourth camera:

2 MP (Macro)

5 MP (Depth information)

Specifications:

Aperture size: F2.4; Pixel size: 1.75 μm

Aperture size: F2.4

Aperture size: F2.2; Sensor size: 1/5"; Pixel size: 1.12 μm

Video recording:

3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (60 fps), 1280x720 (HD) (960 fps)

3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD)

3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)

Features:

Time-lapse video, EIS

Hyperlapse, EIS

Front:

32 MP (Dual-Camera, EIS)

32 MP (HDR)

Video capture:

1920x1080 (Full HD)

Design

Dimensions:

6.45 x 2.98 x 0.35 inches (163.8 x 75.8 x 8.9 mm)

6.45 x 3.00 x 0.37 inches (163.9 x 76.3 x 9.5 mm)

6.24 x 2.90 x 0.31 inches (158.5 x 73.6 x 7.9 mm)

Weight:

7.13 oz (202.0 g)

7.51 oz (213.0 g)

6.07 oz (172.0 g)

Materials:

Back: Glass; Frame: Plastic

Back: Plastic; Frame: Plastic

Biometrics:

Fingerprint (touch)

2D Face unlock, In-screen fingerprint

Keys:

Left: Volume control; Right: Lock/Unlock key

Right: Volume control, Lock/Unlock key

Colors:

Arctic white, Glacier blue

Black, White

Prism Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue

Cellular

LTE (FDD):

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT)

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 17(700 b), 20(800 DD), 26(850+), 28(700 APT), 66(AWS-3)

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)

LTE (TDD):

Bands 38(2600), 40(2300), 41(2600+)

Bands 38(2600), 39(1900+), 41(2600+)

UMTS:

Bands 5(850), 8(900), 1(2100)

Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)

Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)

Data Speed:

LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS

LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

Dual SIM:

Yes

SIM type:

Nano SIM

Multimedia

Headphones:

No 3.5mm jack

3.5mm jack

Speakers:

Earpiece, Loudspeaker

Features:

Dolby Atmos

Screen mirroring:

Wireless screen share

Radio:

FM, Stereo, RDS

FM

Additional microphone(s):

for Noise cancellation

Connectivity & Features

Bluetooth:

5.0

Wi-Fi:

802.11 a, b, g, n, ac, dual-band; MIMO, Wi-Fi Direct, Hotspot

802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot

USB:

Type-C (reversible), USB 2.0

Features:

Charging, Headphones port

Charging

Charging, OTG

Location:

GPS, A-GPS, Glonass, Galileo, Dual-band positioning, Cell ID, Wi-Fi positioning

GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning

Sensors:

Accelerometer, Gyroscope, Compass

Accelerometer, Gyroscope, Compass, Hall (for flip covers)

Other:

NFC

NFC, ANT+

Regulatory Approval

FCC approval:

Date approved:

Nov 28, 2019

FCC ID value:

A3LSMA515FN link

Measured SAR:

Head:

0.89 W/kg

Body:

1.18 W/kg

Simultaneous Transmission:

1.56 W/kg

Wireless Router:

1.12 W/kg

Phablet:

2.76 W/kg

Buyers information

Price:

€ 360

$ 400

User Manual:

This is the official Samsung Galaxy A51 User Guide in English provided from the manufacturer.

In The Box:

30W Dart Charger, USB Type-C Cable, Protect Case, Protect Film, SIM Card Tool, Important Info Booklet with Warranty Card, Quick Guide

Availability

Officially announced:

May 26, 2020

Aug 31, 2020

Dec 12, 2019