Motorola One Action vs BLU G9 Pro vs Samsung Galaxy A51

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

Display

Size:

6.3 inches
6.3 inches
6.5 inches

Resolution:

2520 x 1080 pixels, 21:9 ratio, 435 PPI
2340 x 1080 pixels, 19.5:9 ratio, 409 PPI
2400 x 1080 pixels, 20:9 ratio, 405 PPI

Technology:

IPS LCD
IPS LCD
Super AMOLED

Screen-to-body:

81.47 %
82.83 %
87.37 %

Features:

Ambient light sensor, Proximity sensor
Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor
60Hz refresh rate, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Hardware

System chip:

Samsung Exynos 7 Octa 9609
MediaTek Helio P60 MT6771
Samsung Exynos 9611

Processor:

Octa-core, 2200 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm
Octa-core, 2000 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 12 nm
Octa-core, 2300 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm

GPU:

Mali-G72 MP3
Mali-G72 MP3
Mali-G72 MP3

RAM:

4GB
4GB LPDDR4
4GB LPDDR4

Internal storage:

128GB
128GB, available to use: 118 GB
128GB, available to use: 105.9 GB

Storage expansion:

microSDXC up to 1000 GB
microSDXC up to 512 GB
microSDXC up to 512 GB

Device type:

Smartphone
Smartphone
Smartphone

OS:

Android (10, 9.0 Pie)
Android (9.0 Pie)
Android (11, 10), Samsung One UI

Battery

Capacity:

3500 mAh
4000 mAh
4000 mAh

Type:

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

Battery life test results:

Charging:

Motorola TurboPower
Fast charging, Qi wireless charging
Fast charging

Camera

Rear:

Triple camera
Triple camera
Quad camera

Main camera:

12 MP (PDAF)
16 MP (PDAF)
48 MP (PDAF)

Specifications:

Aperture size: F1.8; Pixel size: 1.25 μm
Aperture size: F1.8; Sensor size: 1/2.8"; Pixel size: 1.12 μm
Aperture size: F2.0; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm

Second camera:

16 MP (Ultra-wide)
5 MP (Depth information)
12 MP (Ultra-wide)

Specifications:

Aperture size: F2.2; Focal Length: 13 mm; Pixel size: 1 μm
Aperture size: F2.2; Focal Length: 13 mm; Pixel size: 1.12 μm

Third camera:

5 MP (Depth information)
20 MP
5 MP (Macro)

Specifications:

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

Features:

Time-lapse video, Hyperlapse, Continuous autofocus, EIS
Hyperlapse, EIS

Front:

12 MP (HDR)
24 MP
32 MP (HDR)

Video capture:

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

Design

Dimensions:

6.30 x 2.80 x 0.36 inches (160.1 x 71.2 x 9.15 mm)
6.18 x 2.95 x 0.35 inches (157 x 75 x 8.9 mm)
6.24 x 2.90 x 0.31 inches (158.5 x 73.6 x 7.9 mm)

Weight:

6.21 oz (176.0 g)
6.49 oz (184.0 g)
6.07 oz (172.0 g)

Materials:

Back: Plastic
Back: Glass; Frame: Metal
Back: Plastic; Frame: Plastic

Resistance:

Splash; IPX2

Biometrics:

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

Keys:

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

Colors:

Denim blue, 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), 13(700 c), 17(700 b), 25(1900+), 26(850+), 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), 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), 41(2600+)
Bands 38(2600), 39(1900+), 41(2600+)

UMTS:

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

Data Speed:

LTE-A Cat 6 (300/50 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:

Shared with microSD

SIM type:

Nano SIM
Nano SIM
Nano SIM

Multimedia

Headphones:

3.5mm jack
3.5mm jack
3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Loudspeaker
Earpiece, Loudspeaker

Features:

Dolby Mobile
Dolby Atmos

Screen mirroring:

Wireless screen share
Wireless screen share
Wireless screen share

Radio:

FM
FM
FM

Additional microphone(s):

for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth:

5.0, EDR
4.1
5.0

Wi-Fi:

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

USB:

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

Features:

Charging, Mass storage device
Charging
Charging, OTG

Location:

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

Sensors:

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

Other:

NFC
NFC, ANT+

Hearing aid compatible:

M4, T3

Regulatory Approval

FCC approval:

Date approved:

Jul 25, 2019
Nov 28, 2019

FCC ID value:

YHLBLUG9PRO link
A3LSMA515FN link

Measured SAR:

Head:

0.30 W/kg
0.89 W/kg

Body:

0.52 W/kg
1.18 W/kg

Simultaneous Transmission:

0.63 W/kg
1.56 W/kg

Wireless Router:

0.56 W/kg
1.12 W/kg

Phablet:

2.76 W/kg

Buyers information

Price:

$ 350
$ 250
$ 400

User Manual:

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

In The Box:

10W Charger, USB-C Cable, SIM Pin, Guides, Protect cover, Earphones (for selected countries)
Silicone case/ Screen protector, Quick guide, Sticker, Charger, USB cable, Earbuds, Sim key

Availability

Officially announced:

Aug 16, 2019
Dec 12, 2019
This copy is for your personal, non-commercial use only. You can order presentation-ready copies for distribution to your colleagues, clients or customers at https://www.parsintl.com/phonearena or use the Reprints & Permissions tool that appears at the bottom of each web page. Visit https://www.parsintl.com/ for samples and additional information.
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