Technology News
English Edition

Samsung Galaxy A40 vs Samsung Galaxy A30 vs Samsung Galaxy M20 vs Samsung Galaxy M30 comparison

 Compare Samsung Galaxy A40
Samsung Galaxy A40
Compare Samsung Galaxy A30
Samsung Galaxy A30
Compare Samsung Galaxy M20
Samsung Galaxy M20
Compare Samsung Galaxy M30
Samsung Galaxy M30
key specs
Display5.90-inch6.40-inch6.30-inch6.40-inch
ProcessorSamsung Exynos 7885-Samsung Exynos 7904Samsung Exynos 7904
Front Camera25-megapixel16-megapixel 8-megapixel 16-megapixel
Rear Camera16-megapixel 16-megapixel + 5-megapixel 13-megapixel + 5-megapixel 13-megapixel + 5-megapixel + 5-megapixel
RAM4GB4GB3GB4GB
Storage64GB64GB32GB64GB
Battery Capacity3100mAh4000mAh5000mAh5000mAh
OSAndroid 9.0 PieAndroid PieAndroid 8.1 OreoAndroid 8.1 Oreo
Resolution1080x2280 pixels1080x2340 pixels1080x2340 pixels1080x2340 pixels
general
BrandSamsungSamsungSamsungSamsung
ModelGalaxy A40Galaxy A30Galaxy M20Galaxy M30
Release dateMarch 1, 2019February 1, 2019January 1, 2019February 1, 2019
Form factorTouchscreenTouchscreenTouchscreenTouchscreen
Dimensions (mm)144.30 x 69.10 x 7.90158.50 x 74.70 x 7.70--
Battery capacity (mAh)3100400050005000
ColoursBlue, Black, Orange, WhiteRed, Blue, BlackCharcoal Black, Ocean Blue-
Launched in India-YesYesYes
Fast charging-Proprietary-Proprietary
Removable battery--No-
Wireless charging--No-
display
Screen size (inches)5.906.406.306.40
TouchscreenYesYesYesYes
Resolution1080x2280 pixels1080x2340 pixels1080x2340 pixels1080x2340 pixels
Aspect ratio19:9-19.5:919.5:9
hardware
Processor1.8GHz octa-core-1.6GHz octa-core (2x1.8GHz + 6x1.6GHz)1.6GHz octa-core (2x1.8GHz + 6x1.6GHz)
Processor makeSamsung Exynos 7885Samsung Exynos 7904Samsung Exynos 7904Samsung Exynos 7904
RAM4GB4GB3GB4GB
Internal storage64GB64GB32GB64GB
Expandable storageYesYesYesYes
Expandable storage typemicroSDmicroSDmicroSDmicroSD
Expandable storage up to (GB)-512512512
Dedicated microSD slot-YesYesYes
camera
Rear camera16-megapixel (f/2.0)16-megapixel (f/1.7) + 5-megapixel (f/2.2)13-megapixel (f/1.9) + 5-megapixel (f/2.2)13-megapixel (f/1.9) + 5-megapixel (f/2.2) + 5-megapixel (f/2.2)
Rear autofocusYesYesYes-
Rear flashYesYesYes-
Front camera25-megapixel16-megapixel (f/2.0)8-megapixel (f/2.0)16-megapixel (f/2.0)
Front flash--No-
software
Operating systemAndroid 9.0 PieAndroid PieAndroid 8.1 OreoAndroid 8.1 Oreo
SkinOne UIOne UISamsung Experience 9.5 UXSamsung Experience v9.5
connectivity
Wi-FiYesYes-Yes
GPSYesYesYesYes
BluetoothYes, v 4.20YesYesYes, v 5.00
NFCYes---
USB Type-CYesYesYesYes
Headphones3.5mm3.5mm3.5mm-
Number of SIMs2222
Wi-Fi standards supported--802.11 b/g/n802.11 a/b/g/n/ac
Micro-USB--NoYes
Active 4G on both SIM cards---Yes
sim 1
SIM TypeNano-SIMNano-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSMGSMGSM
3GYesYesYesYes
4G/ LTEYesYesYesYes
sim 2
SIM TypeNano-SIMNano-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSMGSMGSM
3GYesYesYesYes
4G/ LTEYesYesYesYes
sensors
Face unlockYes-YesYes
Fingerprint sensorYesYesYesYes
Compass/ MagnetometerYes--Yes
Proximity sensorYesYesYesYes
AccelerometerYesYesYesYes
Ambient light sensorYes--Yes
GyroscopeYes---
ratings
Overall NDTV Rating-Read ReviewRead ReviewRead Review
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-

Related Comparisons

Popular Mobile Brands
RELATED STORIES

Advertisement

TRENDING
  1. Oppo Reno 15 Pro Max, Reno 15 Pro Launched Globally Alongside Reno 15 Oppo Reno 15 Pro Max, Reno 15 Pro Launched Globally Alongside Reno 15
  2. New Year 2026: 5 Best AI Prompts for ChatGPT, Gemini and More New Year 2026: 5 Best AI Prompts for ChatGPT, Gemini and More
  3. Beauty (2025) OTT Release Date: When and Where to Watch it Online? Beauty (2025) OTT Release Date: When and Where to Watch it Online?
  4. Samsung Galaxy S26 Series Roundup: Everything That We Know So Far Samsung Galaxy S26 Series Roundup: Everything That We Know So Far
  5. Vivo V70 Visits IMDA Database; Could Launch Soon With These Features Vivo V70 Visits IMDA Database; Could Launch Soon With These Features
  6. MediaTek Dimensity 7100 Chipset Launched For Mid-Ranged Phones MediaTek Dimensity 7100 Chipset Launched For Mid-Ranged Phones
  7. Top OTT Releases of the Week: Stranger Things 5 Finale, Haq, Mowgli, and More Top OTT Releases of the Week: Stranger Things 5 Finale, Haq, Mowgli, and More
  8. This WhatsApp Greeting Could Wipe Your Bank Account This WhatsApp Greeting Could Wipe Your Bank Account
  9. NASA's Curiosity Rover Sends Stunning Sunrise-and-Sunset Holiday Postcard from Mars NASA's Curiosity Rover Sends Stunning Sunrise-and-Sunset Holiday Postcard from Mars
Gadgets 360 is available in
Follow Us
Download Our Apps
App Store App Store
Available in Hindi
App Store
© Copyright Red Pixels Ventures Limited 2026. All rights reserved.
Trending Products »
Latest Tech News »