Xiaomi Redmi 3 vs Samsung Galaxy A40

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Display

Display size

5.0 inches
5.9 inches

Resolution

720 x 1280 pixels
1080 x 2340 pixels

Pixel density

294 ppi
437 ppi

Technology

IPS LCD
Super AMOLED

Screen-to-body

71.14 %
85.73 %

Features

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

Hardware & Performance

System chip

Qualcomm Snapdragon 616 8939v2
Samsung Exynos 7 Octa 7885

Processor

Octa-core, 1500 MHz, ARM Cortex-A53, 64-bit
Octa-core, 1800 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm

GPU

Adreno 405
Mali-G71 MP2

RAM

2 GB
4 GB

Internal storage

16 GB
64 GB

Storage expansion

microSDXC up to 128 GB
microSDXC up to 512 GB

OS

Android (5.1 Lollipop), Xiaomi MI UI
Android (9.0 Pie), Samsung One UI

Battery

Capacity

4100 mAh
3100 mAh

Type

Not user replaceable
Li - Polymer, Not user replaceable

Charging

Fast charging
Samsung Adaptive Fast Charging

Camera

Rear

Single camera
Dual camera

Main camera

13 megapixels
 

Features

Phase detection autofocus
Phase detection autofocus

Second camera

 
5 megapixels

Features

 
Ultra-wide

Video recording

1920x1080 (Full HD) (30 fps)
1920x1080 (Full HD) (30 fps)

Features

Video calling
Hyperlapse, Video calling, Video sharing

Front

5 megapixels
25 megapixels

Design

Dimensions

5.48 x 2.74 x 0.33 inches (139.3 x 69.6 x 8.5 mm)
5.69 x 2.72 x 0.31 inches (144.4 x 69.2 x 7.9 mm)

Weight

5.08 oz (144 g)
the average is 6.1 oz (176 g)
4.94 oz (140 g)
the average is 6.1 oz (176 g)

Materials

 
Back: Plastic

Biometrics

 
2D Face unlock, Fingerprint (touch)

Features

Touch sensitive control keys
 

Colors

Gold, Gray, Silver
Black, Coral, Blue, White

Cellular

LTE (FDD)

Bands 1(2100), 3(1800), 7(2600)
Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD)

LTE (TDD)

Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
Bands 38(2600), 40(2300), 41(2600+)

UMTS

850, 1900, 2100 MHz
850, 900, 1900, 2100 MHz

Data Speed

LTE, HSPA, UMTS
LTE-A Cat 12/13 (600/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

Dual SIM

Yes
Yes

SIM type

Nano SIM, Micro SIM
Nano SIM

Multimedia

Headphones

3.5mm jack
3.5mm jack

Features

Album art cover, Background playback
Dolby Atmos, Album art cover, Background playback

Connectivity & Features

Bluetooth

4.1
5.0

Wi-Fi

802.11 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

Features

Mass storage device, Charging
Charging, Mass storage device

Sensors

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

Other

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