Samsung Galaxy A31 vs Samsung Galaxy A9 2018

Samsung Galaxy A31 vs Samsung Galaxy A9 2018: Compare the Samsung Galaxy A31 and Samsung Galaxy A9 2018 to find out which smartphone is the better choice for you. Discover their key differences in terms of design, display, camera, performance, and more. Make an informed decision before purchasing your next Samsung device.

Feature Samsung Galaxy A31 Samsung Galaxy A9 2018
Display Size 6.4 inches 6.3 inches
Display Type Super AMOLED Super AMOLED
Resolution 1080 x 2400 pixels 1080 x 2220 pixels
Processor Octa-core (2×2.0 GHz Cortex-A75 & 6×1.7 GHz Cortex-A55) Octa-core (4×2.2 GHz Kryo 260 & 4×1.8 GHz Kryo 260)
RAM 4 GB 6 GB
Storage 64 GB 128 GB
Expandable Storage Yes (up to 512 GB) Yes (up to 512 GB)
Main Camera

48 MP (f/2.0)

8 MP (f/2.2) ultra wide

5 MP (f/2.4) depth

5 MP (f/2.4) macro

24 MP (f/1.7)

10 MP (f/2.4) telephoto

8 MP (f/2.4) ultra wide

5 MP (f/2.2) depth

Front Camera 20 MP (f/2.2) 24 MP (f/2.0)
Video Recording 1080p@30fps 4K@30fps
Battery Capacity 5000 mAh 3800 mAh
Fast Charging Yes (15W) Yes (18W)
Operating System Android 10, One UI 2.0 Android 8.0 (Oreo), upgradable to Android 10, One UI
Biometric Authentication In-display fingerprint sensor Rear-mounted fingerprint sensor
Colors Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White Caviar Black, Lemonade Blue, Bubblegum Pink
SIM Card Dual SIM (Nano-SIM, dual stand-by) Dual SIM (Nano-SIM, dual stand-by)
Weight 185 g 183 g
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