Two devices. One clear decision.

LAUNCH DATE3 fields

Specification	Galaxy A31	Redmi 15A
Announced	March 24, 2020	2026, March 27
Released	2020-04-27	2026-04-03
Status	April 27, 2020	Available

NETWORK6 fields

Specification	Galaxy A31	Redmi 15A
2G Bands	GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Bands	HSDPA 850 / 900 / 2100	HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G LTE	1, 2, 3, 5, 7, 8, 20, 38, 40, 41 - SM-A315F; 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 28, 38, 40, 41, 66 - SM-A315G	1, 3, 5, 8, 28, 40, 41
5G	No	5G: n1/3/5/8/28/40/41/78
Speed	LTE	HSPA, LTE, 5G
Technology	4G/LTE/2G	5G/4G/LTE/GSM

BODY5 fields

Specification	Galaxy A31	Redmi 15A
Build	Glass front, plastic back, plastic frame	Glass front, plastic back, plastic frame
Dimensions	159.3 x 73.1 x 8.6 mm (6.27 x 2.88 x 0.34 in)	171.56 x 79.47 x 8.15 mm
IP Rating	No IP rating	IP52
SIM	Nano-SIM	Dual SIM, 5G
Weight	185 g (6.53 oz)	210g

DISPLAY6 fields

Specification	Galaxy A31	Redmi 15A
Brightness	635 nits (measured)	800nit Peak Brightness
Refresh Rate	60Hz	60/90/120Hz
Resolution	1080 x 2400 pixels, 20:9 ratio (~411 ppi density)	720 x 1600 pixels, 20:9 ratio (~254 ppi density)
Screen-to-body	~84.9%	~84.3%
Size	6.4 inches, 98.9 cm2 (~84.9% screen-to-body ratio)	6.9 inches
Type	Super AMOLED	IPS LCD, 120Hz

PLATFORM4 fields

Specification	Galaxy A31	Redmi 15A
CPU	Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55)	2*A78 2.2Ghz + 6*A55 2.0GHz
Chipset	Mediatek MT6768 Helio P65 (12 nm)	Octa-core T8300 5G SOC
GPU	Mali-G52 MC2	G57 950MHz
OS	Android 10, upgradable to Android 12, One UI 4.1	Android 16; HyperOS 3.0

MEMORY5 fields

Specification	Galaxy A31	Redmi 15A
Card slot	microSDXC (dedicated slot)	microSD;
Internal	64GB , 128GB, 8GB RAM	64GB / 128GB
RAM	4GB RAM, 6GB RAM,	4 GB / 6 GB
Storage Type	—	UFS2.2+LPDDR4X
Storage/RAM variants	64GB , 128GB, 8GB RAM; 4GB RAM, 6GB RAM,	64GB / 128GB; 4 GB / 6 GB RAM

MAIN CAMERA3 fields

Specification	Galaxy A31	Redmi 15A
Features	LED flash, panorama, HDR	LED flash, HDR
MAIN CAMERA	48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 123˚, (ultrawide), 1/4.0", 1.12µm 5 MP, f/2.4, (macro) 5 MP, f/2.4, (depth)	32MP
Video	1080p@30fps	1080p@30fps

SELFIE CAMERA3 fields

Specification	Galaxy A31	Redmi 15A
Features	HDR	HDR
Selfie camera	20 MP, f/2.2, (wide)	8MP
Video	1080p@30fps	1080p@30fps

SOUND2 fields

Specification	Galaxy A31	Redmi 15A
3.5mm jack	Yes	3.5 mm headphone jack
Loudspeaker	Yes	Speakers

COMMUNICATION6 fields

Specification	Galaxy A31	Redmi 15A
Bluetooth	5.0, A2DP, LE	v5.4
NFC	Yes (market/region dependent)	No
Positioning	GPS, GLONASS, GALILEO, BDS	GPS, GLONASS, Galileo
Radio	FM radio, RDS, recording	FM radio
USB	USB Type-C 2.0, OTG	USB-C
WLAN	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct	Wi-Fi 802.11 a/b/g/n/ac, dual-band

FEATURES2 fields

Specification	Galaxy A31	Redmi 15A
Ai	—	Google Gemini; Circle To Search; Xiaomi Interconnectivity
Sensors	Fingerprint (under display, optical), accelerometer, gyro, compass; Virtual proximity sensing	Ambient Light Sensor; Yes (Virtual); Proximity Sensor; Yes (Virtual); E Compass; Supported; Fingerprint Scanner; Supported

BATTERY3 fields

Specification	Galaxy A31	Redmi 15A
Capacity	5000 mAh	6300mAh(typ)
Charging Type	15W wired	15W wired
Type	Li-Po 5000 mAh	6300 mAh, non-removable

ADDITIONAL INFORMATION5 fields

Specification	Galaxy A31	Redmi 15A
Colors	Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White	Black, Blue, Purple
Compatibility	—	India (5G) specification set
Launch Price (USD)	$95.00 (reference only — see Price in Nigeria above for the actual retail price)	—
Models	SM-A315F, SM-A315F/DS, SM-A315G/DS, SM-A315G, SM-A315N	2602BRNA4I
Price in Nigeria	₦105,000 (Seller price)	₦140,000 (Stored estimate)

SECURITY1 field

Specification	Galaxy A31	Redmi 15A
Security	Biometric security: Fingerprint (under display, optical).	Fingerprint sensor