Samsung Galaxy J4 Core vs Xiaomi Redmi 15a

Product
Xiaomi Redmi 15a
159 USD

Price
159 USD
159 USD
Status
Discontinued
Available
Brand
Samsung Mobile
Xiaomi Mobiles
Model No
Galaxy J4 Core
Xiaomi Redmi 15a

Launch Date
2018, October 31
2026, March 27

Technology
GSM / HSPA / LTE
GSM / HSPA / LTE / 5G
2G bands
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
GSM 850 / 900 / 1800 / 1900
3G bands
HSDPA 850 / 900 / 1900 / 2100 - J410F/DS HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 - J410G/DS
HSDPA 850 / 900 / 2100
4G bands
1, 3, 5, 7, 8, 20, 38, 40, 41 - J410F/DS 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 28, 38, 40, 41, 66 - J410G/DS
1, 3, 5, 8, 28, 40, 41
Speed
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
HSPA, LTE, 5G
5G bands
1, 3, 5, 8, 28, 40, 41, 78 SA/NSA

Dimensions
160.6 x 76.1 x 7.9 mm (6.32 x 3.00 x 0.31 in)
171.6 x 79.5 x 8.2 mm (6.76 x 3.13 x 0.32 in)
Weight
177 g (6.24 oz)
210 g (7.41 oz)
SIM
Dual SIM (Nano-SIM, dual stand-by)
Nano-SIM + Nano-SIM
Colors
Black, Gold, Blue
Black, Blue, Purple

Type
IPS LCD capacitive touchscreen, 16M colors
IPS LCD, 120Hz, 800 nits (peak)
Size
6.0 inches, 91.4 cm2 (~74.8% screen-to-body ratio)
6.9 inches, 114.9 cm2 (~84.3% screen-to-body ratio)
Resolution
720 x 1480 pixels, 18.5:9 ratio (~274 ppi density)
720 x 1600 pixels, 20:9 ratio (~254 ppi density)

OS
Android 8.1 Oreo (Go edition)
Android 16, HyperOS 3, up to 4 major Android upgrades
Chipset
Qualcomm MSM8917 Snapdragon 425 (28 nm)
Unisoc T8300 (6 nm)
CPU
Quad-core 1.4 GHz Cortex-A53
Octa-core (2x2.2 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55)
GPU
Adreno 308
Mali-G57 MC2

RAM
1GB
4GB/6GB
Storage
16GB eMMC 5.1
64GB/128GB
Card Slot
microSDXC (dedicated slot)

Lens 1
8 MP, f/2.2, AF
32 MP, f/2.0, (wide), 1.12µm, AF
Features
LED flash, panorama, HDR, Continuous Focus, Touch to Focus, AF
Video
1080p@30fps
Lens 2
Auxiliary lens

Lens 1
5 MP, f/2.2
8 MP, f/2.0, (wide), 1/4.0", 1.12µm
Features
Face Detection Etc,
HDR
Video
1080p@30fps

Capacity
Non-removable Li-Ion 3300 mAh battery
6300 mAh
Charging
15W wired 7.5W reverse wired

Sensors
Accelerometer, proximity 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, LE
5.4, A2DP, LE
GPS
Yes, with A-GPS, GLONASS, BDS
GPS, GLONASS, GALILEO, BDS
Radio
Stereo FM radio, recording
FM radio, recording
USB
microUSB 2.0, USB On-The-Go
USB Type-C 2.0, OTG