Samsung Galaxy S5 vs Samsung Galaxy A51

$279.90 VIEW ON AMAZON $112.49 VIEW ON eBay
$404.61 VIEW ON AMAZON $303.99 VIEW ON eBay

Display

Size

5.1 inches
6.5 inches

Resolution

1920 x 1080 pixels,
432 PPI
2400 x 1080 pixels, 20:9 ratio,
405 PPI

Technology

Super AMOLED
Super AMOLED

Screen-to-body

69.76 %
87.37 %

Features

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

Hardware & Performance

System chip

Qualcomm Snapdragon 801 MSM8974-AC
Samsung Exynos 9611

Processor

Quad-core, 2500 MHz, Krait 400, 32-bit, 28 nm
Octa-core, 2300 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm

GPU

Adreno 330
Mali-G72 MP3

RAM

2GB
4GB

Internal storage

32GB
128GB

Storage expansion

microSDXC up to 128 GB
microSDXC up to 512 GB

OS

Android (6.0 Marshmallow, 5.1 Lollipop, 5.0 Lollipop, 4.4.4, 4.4.2), Samsung TouchWiz UI
Android (10), Samsung One UI

Battery

Capacity

2800 mAh
4000 mAh

Type

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

Charging

 
Fast charging

Camera

Rear

Single camera
Quad camera

Main camera

16 MP
48 MP

Features

BSI sensor, PDAF
PDAF

Second camera

 
12 MP

Features

 
Ultra-wide

Third camera

 
5 MP

Features

 
Macro

Fourth camera

 
5 MP

Features

 
Depth information

Video recording

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

Features

HDR, Continuous autofocus, EIS, Video calling, Video sharing
Hyperlapse, EIS

Front

2.1 MP
32 MP

Features

 
HDR

Design

Dimensions

5.59 x 2.85 x 0.32 inches (142 x 72.5 x 8.1 mm)
6.24 x 2.90 x 0.31 inches (158.5 x 73.6 x 7.9 mm)

Weight

5.11 oz (145 g)
the average is 6.3 oz (179 g)
6.07 oz (172 g)
the average is 6.3 oz (179 g)

Materials

Back: Plastic
Back: Plastic; Frame: Plastic

Resistance

Water, Dust; IP 67
 

Biometrics

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

Features

Touch sensitive control keys, Interchangeable covers, Notification light
 

Colors

Black, Gold, Blue, White
Prism Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue

Cellular

LTE (FDD)

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

LTE (TDD)

 
Bands 38(2600), 40(2300), 41(2600+)

UMTS

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

Data Speed

LTE Cat 4 (150/50 Mbit/s), 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

Micro SIM
Nano SIM

VoLTE

Yes
 

Multimedia

Headphones

3.5mm jack
3.5mm jack

Features

Album art cover, Background playback
Dolby Atmos

Connectivity & Features

Bluetooth

4.0
5.0

Wi-Fi

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

USB

microUSB, USB 3.0
Type-C (reversible), USB 2.0

Features

Mass storage device, OTG, Charging, Video out
Charging, OTG

HDMI

Yes
 

Sensors

Accelerometer, Gyroscope, Pedometer, Compass, Hall (for flip covers), Gesture, Barometer, Step detector, Step counter
Accelerometer, Gyroscope, Compass, Hall (for flip covers)

Other

NFC, ANT+, Infrared, Tethering, Computer sync, OTA sync
NFC, ANT+

Phone features

Notifications

Haptic feedback, (MP3)
 

Other features

Voice dialing, Voice commands, Voice recording
 
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