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Samsung Galaxy A51 vs Samsung Galaxy J2 (2015)

Key Feature Comparison

6.9

Samsung Galaxy A51

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4.5

Samsung Galaxy J2

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At a Glance

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Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)

Samsung Exynos 9 Octa 9611, Mali-G72 MP3

Quad core, 1.3 GHz, Cortex A7

Samsung Exynos 3 Quad 3475, Mali-T720 MP1

4000 mAh

Li-ion, Fast, 15W

2000 mAh

Li-ion

6.5 inches

405 ppi, FHD

4.7 inches

234 ppi

Quad, 48MP + 12MP + 5MP + 5MP

3840x2160 @ 30 fps

Single, 5MP

1280x720 @ 30 fps

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM

Detailed Specs

Screen Size

6.5 inches
4.7 inches

Screen Type

Super AMOLED
Super AMOLED

Screen Resolution

1080 x 2400 pixels
540 x 960 pixels

Pixel Density

405 ppi
234 ppi

Aspect Ratio

20:09
16:09

Screen Protection

Gorilla Glass 3
No

Screen to Body Ratio

87.44%
64.51%

Screen Design

Punch hole
-

Screen Quality

FHD
-

Phone Variants

8GB 128GB, 6GB 128GB
1GB 8GB

Expandable Storage

Yes
Yes

RAM Type

LPDDR4X
-

Storage Type

UFS 2.0
-

Expandable Storage Capacity

Yes, 512 GB
Yes, 128 GB

OTG Support

Yes
Yes

Sensors

Light sensor, Proximity sensor, Accelerometer, Gyroscope
Light sensor, Proximity sensor, Accelerometer

Operating System

Android v10 (Q)
Android v5.1.1 (Lollipop)

GPU

Mali-G72 MP3
Mali-T720 MP1

Chipset

Samsung Exynos 9 Octa 9611
Samsung Exynos 3 Quad 3475

CPU

Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)
Quad core, 1.3 GHz, Cortex A7

Custom User Interface

Samsung One UI
-

Clock Speed

2.3 GHz
1.3 GHz

Architecture

64 bit
-

Process Technology

10 nm
-

Battery Capacity

4000 mAh
2000 mAh

Battery Removable

No
Yes

Battery Type

Li-ion
Li-ion

Charger Type

Fast, 15W
-

USB Type-C

Yes
No

Fast Charging

Yes
-

Announced On

5-Dec-19
5-Sep-15

Market Status

Available
Available

Brand

Samsung
Samsung

Model Number

SM-A515FZB1INS/SM-A515FZBWINS
-

Price Status

Confirmed
Confirmed

Price

Rs. 20,450
Rs. 6,799

GPS

Yes A-GPS, Glonass
Yes A-GPS, Glonass

Audio Features

Dolby Atmos
-

NFC

Yes
No

Network Support

4G
4G

Bluetooth

Yes
Yes

3.5mm Audio Jack

Yes
Yes

SIM Size

SIM1: Nano, SIM2: Nano
SIM1: Micro, SIM2: Micro

Wi-Fi

Yes, Wi-Fi 802.11, ac/b/g/n/n 5GHz
Yes, Wi-Fi 802.11, b/g/n

Bluetooth Type

v5.0
v4.1

Audio Jack

3.5 mm
3.5 mm

SIM Slot(s)

Dual SIM, GSM+GSM
Dual SIM, GSM+GSM

eSIM

No
No

Wi-Fi Features

Wi-Fi Direct, Mobile Hotspot
Wi-Fi Direct

VoLTE

Yes
-

SIM 1 Bands

4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 13) / 700(band 17) / 800(band 20) / 850(band 26), 3G Bands: UMTS 1...
4G Bands: TD-LTE 2300(band 40), FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDGE: Available...

SIM 2 Bands

4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 13) / 700(band 17) / 800(band 20) / 850(band 26), 3G...
2G Bands: GSM 1800 / 1900 / 850 / 900 MHz...

FM Radio

-
Yes

Front Video Recording

1920x1080 @ 30 fps
-

Front Camera Features

HDR
-

Front Camera Setup

Single, 32MP
Single, 2MP

Front Camera 1 Resolution

32 MP
2 MP

Front Camera 1 Type

f/2.2 Primary Camera
f/2.2 Primary Camera

Front Camera 1 Lens

2.8" sensor size, 0.8 micrometre pixel size
-

Front Aperture

f/2.2
f/2.2

Front Flash

No
No

Front Sensor

-
CMOS

Weight

172 grams
130 grams

Colors

Prism Crush White, Prism Crush Black, Prism Crush Pink, Prism Crush Blue
Black, Gold, White

Build

Back: Plastic
Plastic body

Dimensions

158.5 x 73.6 x 7.9 mm
136.5 x 69 x 8.4 mm

SAR Value

Head: 0.598 W/kg
Head: 0.502 W/kg

OIS

No
No

Rear Flash

Yes, LED Flash
Yes, LED Flash

Rear Video Recording

3840x2160 @ 30 fps
1280x720 @ 30 fps

Rear Camera Features

8 x Digital Zoom, Auto Flash, Face detection, Touch to focus
4 x Digital Zoom, Auto Flash, Digital image stabilization, Touch to focus

Rear Camera Setup

Quad, 48MP + 12MP + 5MP + 5MP
Single, 5MP

Rear Camera 1 Resolution

48 MP
5 MP

Rear Camera 1 Type

f/2.0 (upto 8x Digital Zoom) Primary Camera
f/2.2 (upto 4x Digital Zoom) Primary Camera

Rear Camera 1 Lens

26 mm focal length, 2.25" sensor size, 0.8 micrometre pixel size
-

Rear Camera 2 Resolution

12 MP
-

Rear Camera 2 Type

f/2.2, Wide Angle, Ultra-Wide Angle Camera
-

Rear Camera 3 Resolution

5 MP
-

Rear Camera 3 Type

f/2.4, Macro Camera
-

Rear Camera 4 Resolution

5 MP
-

Rear Camera 4 Type

f/2.2, Depth Camera
-

Rear Sensor

ISO-CELL
CMOS image sensor

Rear Aperture

f/2.0
f/2.2

Fingerprint Scanner

Yes
No

Fingerprint Scanner Position

On-Screen
-

Fingerprint Scanner Type

Optical
-

Face Unlock

Yes
-

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