Infinix S4 6GB vs Xiaomi Redmi 15a
Product
Price
159 USD
159 USD
Status
Discontinued
Available
Brand
Infinix Mobiles
Xiaomi Mobiles
Model No
S4 6GB
Xiaomi Redmi 15a
Launch Date
2019, April 02
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 / 2100
HSDPA 850 / 900 / 2100
4G bands
1, 3, 5, 8, 38, 40, 41
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
156 x 75 x 7.9 mm (6.14 x 2.95 x 0.31 in)
171.6 x 79.5 x 8.2 mm (6.76 x 3.13 x 0.32 in)
Weight
154 g (5.43 oz)
210 g (7.41 oz)
Build
Glass front, plastic back, plastic frame
SIM
Dual SIM (Nano-SIM, dual stand-by)
Nano-SIM + Nano-SIM
Colors
Space gray, nebula blue, twilight purple
Black, Blue, Purple
Type
IPS LCD capacitive touchscreen, 16M colors
IPS LCD, 120Hz, 800 nits (peak)
Size
6.2 inches, 95.9 cm2 (~82.0% screen-to-body ratio)
6.9 inches, 114.9 cm2 (~84.3% screen-to-body ratio)
Resolution
720 x 1520 pixels, 19:9 ratio (~271 ppi density)
720 x 1600 pixels, 20:9 ratio (~254 ppi density)
OS
Android 9.0 (Pie)
Android 16, HyperOS 3, up to 4 major Android upgrades
Chipset
Mediatek MT6762 Helio P22 (12 nm)
Unisoc T8300 (6 nm)
CPU
Octa-core 2.0 GHz Cortex-A53
Octa-core (2x2.2 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55)
GPU
PowerVR GE8320
Mali-G57 MC2
RAM
6GB
4GB/6GB
Storage
648GB eMMC 5.1
64GB/128GB
Card Slot
microSDXC (dedicated slot)
Lens 1
13 MP, PDAF
32 MP, f/2.0, (wide), 1.12µm, AF
Lens 2
8 MP
Auxiliary lens
Lens 3
2 MP
Features
Quad-LED flash, panorama, HDR
Video
1080p@30fps
Lens 1
32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm
8 MP, f/2.0, (wide), 1/4.0", 1.12µm
Video
1080p@30fps
1080p@30fps
Features
HDR
Capacity
(Li-Po Non removable), 4000 mAh
6300 mAh
Charging
15W wired
7.5W reverse wired
Sensors
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Fingerprint (side-mounted), accelerometer, compass
Virtual proximity sensing
Loudspeaker
Yes
Yes
3.5mm jack
Yes
Yes
WLAN
Wi-Fi 802.11 a/b/g/n/ac, dual-band, hotspot
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
5.0, A2DP, LE
5.4, A2DP, LE
GPS
Yes, with A-GPS
GPS, GLONASS, GALILEO, BDS
Radio
FM radio
FM radio, recording
USB
microUSB 2.0, USB On-The-Go
USB Type-C 2.0, OTG