Phone Comparison - Samsung Galaxy A31 vs Samsung Galaxy A05 vs Samsung Galaxy A15

general General Info

Manufacturer Samsung Samsung Samsung
Announced 2020, March 24 September 2023 December 2023
Status Coming Soon - April 2020 Coming Soon - October 2023 Coming Soon - December 2023
Colors Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White Black, Silver, Light Green Black, Personality Yellow, Fantasy Blue, Optimistic Blue
Form Factor Candybar Candybar Candybar
Dimension 159.3 x 73.1 x 8.6 mm
(6.27 x 2.88 x 0.34 in)
168.8 x 78.2 x 8.8 mm
(6.65 x 3.08 x 0.35 in)
160.1 x 76.8 x 8.4 mm
(6.3 x 3.02 x 0.33 in)
Weight 185 g (6.53 oz) 195 g (6.88 oz) 200 g (7.05 oz)
SIM Type Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by)
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) GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual sim model only)
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 2100
4G Network LTE (unspecified) 1, 3, 5, 7, 8, 20, 28, 38, 40, 41 LTE
SAR EU - W/kg (head)
- W/kg (body)
0.41 W/kg (head)
1.19 W/kg (body)
- W/kg (head)
- W/kg (body)
Messaging
Build Features - Fingerprint Sensor (under display, optical)
- - Fingerprint Sensor

hardware Hardware and OS

OS Android 10.0 Android 13 Android 14
User Interface One UI 2.0 - One UI 6
Processor Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55), Mediatek MT6768 Helio P65 (12nm) Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55), Mediatek MT6769V/CZ Helio G85 (12nm) Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55), Mediatek Helio G99 (6nm)
GPU Mali-G52 MC2 Mali-G52 MC2 Mali-G57 MC2
RAM 6 GB 6 GB 8 GB
Internal Memory 128 GB 128 GB 256 GB
External Memory microSDXC microSDXC microSDXC

display Display

Type Super AMOLED Capacitive Touchscreen HD+ PLS LCD Screen FHD+ Super AMOLED Screen
90Hz Refresh Rate
800 Nits (HBM)
Colors 16M colors 16M colors 16M colors
Size 6.4 inches 6.7 inches 6.5 inches
Resolution 1080 x 2400 pixels (411 ppi) 720 x 1600 pixels (262 ppi) 1080 x 2340 pixels (396 ppi)
Screen-to-Body Ratio 85.01% 82.02% 84.56%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio - Unspecified Unspecified
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 48 MP + 8 MP + 5 MP + 5 MP 50 MP + 2 MP 50 MP + 5 MP + 2 MP
Flash LED flash LED Flash LED Flash
Features 48 MP, f/2.0, (wide), 1/2.0", 0.8µm, PDAF
8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm
5 MP, f/2.4, (macro)
5 MP, f/2.4, (depth)
panorama, HDR
50 MP, f/1.8, (wide), AF
2 MP, f/2.4, (depth)
50 MP, f/1.8, (wide), AF
5 MP, f/2.2, (ultrawide)
2 MP, f/2.4, (macro)
Panorama, HDR
Video 1080p@30fps 1080p@30/60fps 1080p@30fps
Front Camera 20 MP, f/2.2, 0.8µm
HDR
1080p@30fps [Similar]
8 MP, f/2.0, (wide)
1080p@30fps [Similar]
13 MP, f/2.0, (wide)
1080p@30fps [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA, LTE-A HSPA, LTE HSPA, LTE
Bluetooth 5.0, A2DP, LE 5.3, A2DP, LE Yes
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct Yes
USB 2.0, Type-C 1.0 reversible connector, USB On-The-Go USB Type-C 2.0 USB Type-C 2.0
GPS Yes, with A-GPS, GLONASS, GALILEO, BDS GPS, GLONASS, GALILEO, BDS GPS, GALILEO, GLONASS, BDS, QZSS
Browser Yes Yes Yes

memory User Memory

Internal 128 GB, 6 GB RAM or 64 GB, 4 GB RAM (UFS 2.1) 128 GB, 6 GB RAM eMMC 5.1 256 GB, 8 GB RAM or 128 GB, 8 GB RAM
Expandable Storage microSDXC microSDXC microSDXC
USB OTG Supported Not Supported Not Supported

Apps Sensors

Fingerprint fingerprint supported fingerprint not supported fingerprint supported
Proximity Sensor proximity sensor present proximity sensor present proximity sensor not present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present accelerometer sensor not present
Magnetic-Field Sensor (Compass) magnetic field sensor present magnetic field sensor not present magnetic field sensor not present
Gyroscope Sensor gyroscope sensor present gyroscope sensor not present gyroscope sensor not present
NFC NFC not supported NFC not supported NFC not supported

battery Battery

Type Non-removable Li-Po Battery
Fast battery charging 15W
Non-removable Li-Po Battery
Fast battery Charging 25W
Non-removable Li-Po Battery
Fast battery Charging 25W
Capacity 5000 mAh 5000 mAh 5000 mAh
Stand by - - -
Talk Time - - -