Samsung Galaxy A7 (2018) vs Samsung Galaxy A31
Comparing 2 products
Basic Information
General Overview
Device Type
Bar
Bar
Model
Galaxy A7 2018
Galaxy A31
Announced
2018, September
2020, March
Released
2018, October
2020, March
Status
Available
Available
Design
Type
Bar
Bar
Dimensions
159.8 x 76.8 x 7.5 mm (6.29 x 3.02 x 0.30 in)
159.3 x 73.1 x 8.6 mm (6.27 x 2.88 x 0.34 in)
Weight
168 g (5.93 oz)
185 g (6.53 oz)
Protection
Front/back glass, plastic frame
-
Colors
Black, blue, gold, pink
Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White
Network
2G Network
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G Network
HSDPA 850 / 900 / 1900 / 2100 - A750F/DS, A750FN/DS
HSDPA 850 / 900 / 1900 / 2100
4G Network
LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500) - A750F/DS, A750FN/DS
LTE (unspecified)
SIM
Nano SIM
Nano SIM
Dual SIM
Yes
Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
Display
Display Type
Super AMOLED
Super AMOLED
Size
6.0 inches, 91.4 cm2 (~74.4% screen-to-body ratio)
6.4 inches, 98.9 cm2 (~84.9% screen-to-body ratio)
Resolution
1080 x 2220 pixels
1080 x 2400 pixels
Display Colors
16M Colors
16M colors
Pixel Density
411 ppi density
411 ppi density
Touch Screen
Yes
Capacitive Touchscreen
Display Protection
Corning Gorilla Glass (unspecified version)
-
Features
Always-on display
-
Media
FM Radio
Yes
Yes
Earphone Jack
Yes
Yes
Camera
Camera Set
Triple Cameras
Quad Cameras
Main Camera
24 MP, f/1.7, 27mm (wide), PDAF
48 MP, f/2.0, (wide), 1/2.0", 0.8µm, PDAF
2nd Camera
8 MP, f/2.4, 18mm (ultrawide)
8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm
3rd Camera
5 MP, f/2.2, depth sensor
5 MP, f/2.4, (macro)
Camera Video
1080p@30fps (gyro-EIS)
2160p@30fps, 1080p@30fps
Features
Panorama, HDR
-
Flash
LED Flash
LED Flash
Selfie Set
Single Camera
Single Camera
Selfie Camera
24 MP, f/2.0, 26mm (wide)
20 MP, f/2.2, (wide)
Selfie Video
1080p@30fps
1080p@30fps
Features
HDR
-
4th Camera
-
5 MP, f/2.4, (depth)
Software
OS
Android 8.0 (Oreo), planned upgrade to Android 9.0 (Pie)
Android 10.0
User Interface
Experience 9
One UI 2.0
Hardware
Chipset
Exynos 7885 Octa (14 nm)
-
CPU
Octa-core (2x2.2 GHz Cortex-A73 & 6x1.6 GHz Cortex-A53)
Octa-core (2x2.0 GHz & 6x1.7 GHz)
GPU
Mali-G71
-
RAM
6 GB
4/6 GB
Internal Storage
128 GB
64/128 GB
Card Slot
Yes microSD, up to 512 GB (dedicated slot)
Yes microSD, up to 512 GB
Sensors
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Connectivity
Bluetooth
5.0, A2DP, LE
5.0, A2DP, LE
Wi-fi
Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Wi-fi Hotspot
Yes
Yes
USB
microUSB 2.0
2.0, Type-C 1.0 reversible connector, USB On-The-Go
GPS
Yes, with A-GPS, GLONASS, BDS
Yes, with A-GPS, GLONASS, GALILEO, BDS
NFC
Yes
No
Data
GPRS
Yes
Yes
EDGE
Yes
Yes
Speed
HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps
HSPA, LTE-A
Battery
Battery Type
Li-Poly (Lithium Polymer)
Li-Ion (Lithium Ion)
Capacity
3300 mAh battery
5000 mAh battery
Placement
Non-removable
Non-removable
Standby
-
-
Talk Time
-
-
Music Play
-
-
Fast Charging
-
Yes, 15W