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Brand | samsung | samsung | |
Model | samsung galaxy j2 core (2020) | samsung galaxy m31s | |
Announced | 2020 April 27 | 2020 July 30 | |
Status | Available. Released 2020 April 27 | Available. Released 2020 August 06 | |
Device Body | glass front | plastic back | plastic frame | ||
Dimensions | 143.4 x 72.1 x 8.9 mm ( 5.65 x 2.84 x 0.35 in ) | 159.3 x 74.4 x 9.3 mm ( 6.27 x 2.93 x 0.37 in ) | |
Weight in gram | 154 | 203 | |
SIM card | dual SIM ( Micro-SIM | dual stand-by ) | single SIM ( Nano-SIM ) or dual SIM ( Nano-SIM | dual stand-by ) | |
Water Resistance | No | No | |
Display type | pls LCD | Super AMOLED | |
Display resolution | 540 x 960 pixels | 16 : 9 ratio ( ~220 pixel per inch density ) | 1080 x 2400 pixels | 20 : 9 ratio ( ~405 pixel per inch density ) | |
Display size | 5.0 inches | 68.9 cm2 ( ~66.7% screen to body ratio ) | 6.5 inches | 102.0 cm2 ( ~86.1% screen to body ratio ) | |
Display Protection | corning gorilla glass 3 | ||
Operating System | android 8.1 oreo ( go edition ) | android 10 | upgradable to android 12 | one ui 4.1 | |
CPU | Quad-core 1.4 GHz cortex-a53 | Octa-core ( 4x2.3 GHz cortex-a73 & 4x1.7 GHz cortex-a53 ) | |
Chipset | Qualcomm msm8917 snapdragon 425 ( 28 nm ) | exynos 9611 ( 10nm ) | |
GPU | adreno 308 | mali-g72 mp3 | |
Memory card | microsdxc ( dedicated slot ) | microsdxc ( dedicated slot ) | |
Memory v1 | 16gb 1gb RAM | 128gb 6gb RAM | |
Memory v2 | 128gb 8gb RAM | ||
Primary camera | 8 megapixel| lens aperture2.2 | Auto focus | 64 megapixel| lens aperture1.8 | 26mm ( wide ) | 1/1.73" | 0.8µm | phase detection autofocus 12 megapixel| lens aperture2.2 | 123˚ ( ultrawide ) 5 megapixel| lens aperture2.4 | ( macro ) -- | |
Secondary camera | 5 megapixel| lens aperture2.2 | 32 megapixel| lens aperture2.2 | 26mm ( wide ) | 1/2.8" | 0.8µm | |
Loud speaker | Yes | Yes | |
Audio jack | Yes | Yes | |
WLAN | Wi-Fi 802.11 b/g/n | Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n/ac | dual-band | Wi-Fi Direct | |
Bluetooth | 4.2 | a2dp | 5.0 | a2dp | le | |
GPS | |||
NFC | No | Yes ( market/region dependent ) | |
Radio | FM Radio | FM Radio | rds | recording | |
USB | microusb 2.0 | otg | USB Type-C 2.0 | otg | |
Sensors | accelerometer | proximity | fingerprint ( side-mounted ) | accelerometer | gyroscope | compass | |
Battery | Li-lon 2600 mAh | removable | li-po 6000 mAh | Non-removable | |
Battery Charge | 25w wired | 4.5w reverse wired | ||
Colors | black, gold, blue | black color gradations, blue color gradations | |
Network technology | gsm / hspa / lte | gsm / hspa / lte | |
5G bands | |||
Network speed | hspa 42.2/5.76 mbps lte cat4 150/50 mbps | hspa lte-a | |
GPRS | |||
EDGE | |||
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