Samsung Galaxy J2 Core vs Xiaomi Redmi A7
Product
Price
129 USD
129 USD
Status
Discontinued
Available
Brand
Samsung Mobile
Xiaomi Mobiles
Model No
Galaxy J2 Core
Xiaomi Redmi A7
Launch Date
2018, February 01
2026, April 21
Wikipedia
Technology
GSM / HSPA / LTE
GSM / HSPA / LTE
2G bands
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
GSM 850 / 900 / 1800 / 1900
3G bands
HSDPA 850 / 900 / 1900 / 2100 - J415F/DS, J415FN/DS ,HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - J415G/DS
HSDPA 850 / 900 / 2100
4G bands
1, 3, 5, 7, 8, 20, 38, 40, 41 - J415F/DS, J415FN/DS ,1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 28, 38, 40, 41, 66 - J415G/DS
1, 3, 5, 8, 28, 40, 41
Speed
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
HSPA, LTE
Dimensions
143.4 x 72.1 x 8.9 mm (5.65 x 2.84 x 0.35 in)
171.8 x 79.8 x 8.3 mm (6.76 x 3.14 x 0.33 in)
Weight
154 g (5.43 oz)
193 g (6.81 oz)
Build
Glass front (Gorilla Glass), plastic back, plastic frame
Dust and splash resistant
SIM
Dual SIM (Micro-SIM, dual stand-by)
Nano-SIM + Nano-SIM
Colors
Black, Gold, Lavender
Black, Sky Blue
Size
6.0 inches, 91.4 cm2 (~73.6% screen-to-body ratio)
6.88 inches, 112.4 cm2 (~82.0% screen-to-body ratio)
Resolution
720 x 1480 pixels, 18.5:9 ratio (~274 ppi density)
720 x 1640 pixels (~260 ppi density)
Type
IPS LCD, 120Hz, 600 nits (peak)
OS
Android 8.1 Oreo (Go edition)
Android 15, up to 2 major Android upgrades
Chipset
Exynos 7570 Quad (14 nm)
Unisoc T7250 (12 nm)
CPU
Quad-core 1.4 GHz Cortex-A53
Octa-core (2x1.8 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
GPU
Mali-T720
Mali-G57 MP1
RAM
1GB
3GB
Storage
8GB/16GB,
eMMC 5.0
64GB
Card Slot
microSDXC (dedicated slot)
Lens 1
8 MP, f/2.2, AF
13 MP, f/2.2, (wide)
Features
LED flash, HDR, panorama
LED flash, HDR
Video
1080p@30fps
1080p@30fps
Lens 1
5 MP, f/2.2
8 MP, f/2.0, (wide)
Features
HDR
Video
1080p@30fps
Capacity
Non-removable Li-Ion 3300 mAh battery
5200 mAh
Charging
15W wired
7.5W reverse wired
Sensors
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass - North AmericaAccelerometer, proximity - other markets ,ANT+
Fingerprint (side-mounted), accelerometer, compass
Virtual proximity sensing
Loudspeaker
Yes
Yes
3.5mm jack
Yes
Yes
WLAN
Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
4.2, A2DP
5.2, A2DP, LE
GPS
Yes, with A-GPS, GLONASS, BDS
GPS, GALILEO, GLONASS
Radio
FM radio
FM radio
USB
microUSB 2.0, USB On-The-Go
USB Type-C 2.0, OTG