Samsung Galaxy S7 vs BLU G90 vs Samsung Galaxy A51

Compare phone and tablet specifications of up to three devices at once.

Display

Size:

5.1 inches
6.5 inches
6.5 inches

Resolution:

2560 x 1440 pixels, 576 PPI
1600 x 720 pixels, 20:9 ratio, 270 PPI
2400 x 1080 pixels, 20:9 ratio, 405 PPI

Technology:

Super AMOLED
IPS LCD
Super AMOLED

Screen-to-body:

72.30 %
81.06 %
87.37 %

Features:

Scratch-resistant glass (Corning Gorilla Glass 4), Ambient light sensor, Proximity sensor
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 820 MSM8996
Mediatek Helio A25
Samsung Exynos 9611

Processor:

Quad-core, 2200 MHz, Kryo, 64-bit, 14 nm
Octa-core, 1800 MHz, Arm Cortex-A53, 64-bit, 12 nm
Octa-core, 2300 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm

GPU:

Adreno 530
PowerVR GE8320
Mali-G72 MP3

RAM:

4GB LPDDR4
4GB
4GB LPDDR4

Internal storage:

32GB, available to use: 24.5 GB
64GB
128GB, available to use: 105.9 GB

Storage expansion:

microSDXC up to 200 GB
microSDXC up to 128 GB
microSDXC up to 512 GB

Device type:

Smartphone
Smartphone
Smartphone

OS:

Android (8.0 Oreo, 7.0 Nougat, 6.0 Marshmallow), Samsung TouchWiz UI
Android (10)
Android (10), Samsung One UI

Battery

Capacity:

3000 mAh
4000 mAh
4000 mAh

Type:

Li - Ion, Not user replaceable
Li - Polymer, Not user replaceable
Li - Polymer, Not user replaceable

Battery life test results:

Charging:

Qualcomm Quick Charge 2.0, Qi and Powermat wireless charging
Fast charging
Fast charging

Max charge speed:

Wired: 10.0W

Camera

Rear:

Single camera
Triple camera
Quad camera

Main camera:

12 MP (OIS, PDAF)
16 MP (PDAF)
48 MP (PDAF)

Specifications:

Aperture size: F1.7; Focal length: 26 mm; Sensor size: 1/2.5"; Pixel size: 1.4 μm
Aperture size: F2.0; Sensor size: 1/3.06"; Pixel size: 1 μm
Aperture size: F2.0; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm

Second camera:

8 MP (Ultra-wide)
12 MP (Ultra-wide)

Specifications:

Aperture size: F2.2; Sensor size: 1/4"; Pixel size: 1.12 μm
Aperture size: F2.2; Focal Length: 13 mm; Pixel size: 1.12 μm

Third camera:

2 MP (Depth information)
5 MP (Macro)

Specifications:

Aperture size: F2.8
Aperture size: F2.4; Focal Length: 40 mm

Fourth camera:

5 MP (Depth information)

Specifications:

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

Video recording:

3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (60 fps), 1280x720 (HD) (240 fps)
1920x1080 (Full HD) (30 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)

Features:

HDR, Picture-taking during video recording, Video calling, Video sharing
Hyperlapse, EIS

Front:

5 MP (HDR)
13 MP
32 MP (HDR)

Video capture:

1920x1080 (Full HD)
1920x1080 (Full HD)

Design

Dimensions:

5.61 x 2.74 x 0.31 inches (142.4 x 69.6 x 7.9 mm)
6.48 x 3.01 x 0.35 inches (164.6 x 76.5 x 8.8 mm)
6.24 x 2.90 x 0.31 inches (158.5 x 73.6 x 7.9 mm)

Weight:

5.36 oz (152.0 g)
6.53 oz (185.0 g)
6.07 oz (172.0 g)

Materials:

Back: Glass (Corning Gorilla Glass 4); Frame: Aluminum
Back: Plastic; Frame: Plastic

Resistance:

Water, Dust; IP68

Biometrics:

Fingerprint (touch)
Fingerprint (touch)
2D Face unlock, In-screen fingerprint

Features:

Touch sensitive control keys

Keys:

Left: Volume control; Right: Lock/Unlock key
Right: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key

Colors:

Black, Gold, Silver, Pink, White, Pink gold
Black, Blue, Gradient magenta, Pearl 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), 12(700 a), 18(800 Lower), 19(800 Upper), 20(800 DD), 29(700 d), 30(2300 WCS)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a), 17(700 b), 28(700 APT)
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), 39(1900+), 40(2300), 41(2600+)
Bands 38(2600), 39(1900+), 41(2600+)

UMTS:

850, 1700/2100, 1900, 2100 MHz
850, 900, 1700/2100, 1900, 2100 MHz
850, 900, 1700/2100, 1900, 2100 MHz

Data Speed:

LTE-A Cat 9 (450/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

Dual SIM:

Yes

SIM type:

Nano SIM
Nano SIM
Nano SIM

HD Voice:

Yes

VoLTE:

Yes

Multimedia

Headphones:

3.5mm jack
3.5mm jack
3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Loudspeaker
Earpiece, Loudspeaker

Features:

aptX-HD
Dolby Atmos

Screen mirroring:

DLNA, Wireless screen share
Wireless screen share
Wireless screen share

Radio:

FM
FM

Additional microphone(s):

for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth:

4.2
4.1
5.0

Wi-Fi:

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

USB:

microUSB, USB 2.0
Type-C (reversible), USB 2.0
Type-C (reversible), USB 2.0

Features:

Charging, OTG, Mass storage device
Charging, OTG
Charging, OTG

Location:

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

Sensors:

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

Other:

NFC, ANT+, UMA (Wi-Fi Calling), Tethering, Computer sync, OTA sync
NFC, ANT+

Hearing aid compatible:

M4, T3

Regulatory Approval

FCC approval:

Date approved:

Feb 12, 2016
Mar 09, 2020
Nov 28, 2019

FCC ID value:

A3LSMG930F link
YHLBLUG90 link
A3LSMA515FN link

Measured SAR:

Head:

0.43 W/kg
0.53 W/kg
0.89 W/kg

Body:

1.06 W/kg
0.67 W/kg
1.18 W/kg

Simultaneous Transmission:

1.59 W/kg
1.52 W/kg
1.56 W/kg

Wireless Router:

1.03 W/kg
0.96 W/kg
1.12 W/kg

Phablet:

2.76 W/kg

Buyers information

Price:

$ 699
$ 150
$ 400

User Manual:

This is the official Samsu​ng Galaxy A51 User Guide in English provided from the manufacturer.

In The Box:

Rugged TPU case, Glass screen protector, Quick start quide, Sticker, Charger, Type-C cable, headset, SIM key

Availability

Officially announced:

Feb 21, 2016
Jun 24, 2020
Dec 12, 2019
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