Screen size
Redmi 15aWinner: 6.9"+3.3%
Redmi Note 12 (China)6.7"
Quick verdict
Redmi Note 12 (China) leads the measured specs 10-5.
Measured wins
Redmi 15a
5
spec wins
Ties
7
equal specs
Redmi Note 12 (China)
10
spec wins
Overall winner
Screen size
Technology
Redmi 15a
GSM / HSPA / LTE / 5G
Redmi Note 12 (China)
GSM / CDMA / HSPA / EVDO / LTE / 5G
2G bands
Redmi 15a
GSM 850 / 900 / 1800 / 1900
Redmi Note 12 (China)
GSM 850 / 900 / 1800 / 1900 , CDMA 800
3G bands
Redmi 15a
HSDPA 850 / 900 / 2100
Redmi Note 12 (China)
HSDPA 850 / 900 / 1900 / 2100 , CDMA2000 1xEV-DO
4G bands
Redmi 15a
1, 3, 5, 8, 28, 40, 41
Resolution
Refresh rate
equal specsPeak brightness
Pixel density
CPU speed
RAM
equal specsStorage
Main camera
Front camera
equal specsBattery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
Stereo speakers
Redmi Note 12 (China)
1, 3, 5, 7, 8, 34, 38, 39, 40, 41
5G bands
Redmi 15a
1, 3, 5, 8, 28, 40, 41, 78 SA/NSA
Redmi Note 12 (China)
1, 3, 5, 8, 41, 77, 78 SA/NSA
Speed
Redmi 15a
HSPA, LTE, 5G
Redmi Note 12 (China)
HSPA, LTE, 5G
Announced
Redmi 15a
2026, March 27
Redmi Note 12 (China)
2022, October 27
Status
Redmi 15a
Released Apr 3, 2026
Redmi Note 12 (China)
Available. Released 2022, November 01
Dimensions
Redmi 15a
171.6 x 79.5 x 8.2 mm (6.76 x 3.13 x 0.32 in)
Redmi Note 12 (China)
165.9 x 76.2 x 8 mm (6.53 x 3.00 x 0.31 in)
Weight
Redmi 15a
210 g (7.41 oz)
Redmi Note 12 (China)
188 g (6.63 oz)
SIM
Redmi 15a
Nano-SIM + Nano-SIM
Redmi Note 12 (China)
Nano-SIM + Nano-SIM
Other
Redmi 15a
Dust and splash resistant
Redmi Note 12 (China)
IP53 dust protected and water resistant (vertical water sprays)
Type
Redmi 15a
IPS LCD, 120Hz, 800 nits (peak)
Redmi Note 12 (China)
Samsung AMOLED, 120Hz, 1200 nits (peak)
Size
Redmi 15a
6.9 inches, 114.9 cm2 (~84.3% screen-to-body ratio)
Redmi Note 12 (China)
6.67 inches, 107.4 cm2 (~85.0% screen-to-body ratio)
Resolution
Redmi 15a
720 x 1600 pixels, 20:9 ratio (~254 ppi density)
Redmi Note 12 (China)
1080 x 2400 pixels, 20:9 ratio (~395 ppi density)
OS
Redmi 15a
Android 16, HyperOS 3, up to 4 major Android upgrades
Redmi Note 12 (China)
Android 12, MIUI 13
Chipset
Redmi 15a
Unisoc T8300 (6 nm)
Redmi Note 12 (China)
Qualcomm SM4375 Snapdragon 4 Gen 1 (6 nm)
CPU
Redmi 15a
Octa-core (2x2.2 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55)
Redmi Note 12 (China)
Octa-core (2x2.0 GHz Cortex-A78 & 6x1.8 GHz Cortex-A55)
GPU
Redmi 15a
Mali-G57 MC2
Redmi Note 12 (China)
Adreno 619
Card slot
Redmi 15a
microSDXC (dedicated slot)
Redmi Note 12 (China)
No
Internal
Redmi 15a
64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM
Redmi Note 12 (China)
128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM
Other
Redmi 15a
UFS 2.2
Redmi Note 12 (China)
UFS 2.2
Dual
Redmi 15a
32 MP, f/2.0, (wide), 1.12µm, AF Auxiliary lens
Redmi Note 12 (China)
48 MP, (wide), 0.8µm, PDAF Auxiliary lens
Features
Redmi 15a
LED flash, HDR
Redmi Note 12 (China)
LED flash, HDR, panorama
Video
Redmi 15a
1080p@30fps
Redmi Note 12 (China)
1080p@30/60fps
Single
Redmi 15a
8 MP, f/2.0, (wide), 1/4.0", 1.12µm
Redmi Note 12 (China)
8 MP, f/2.0, (wide), 1/4.0", 1.12µm
Features
Redmi 15a
HDR
Redmi Note 12 (China)
HDR
Video
Redmi 15a
1080p@30fps
Redmi Note 12 (China)
1080p@30fps
Loudspeaker
Redmi 15a
Yes
Redmi Note 12 (China)
Yes
3.5mm jack
Redmi 15a
Yes
Redmi Note 12 (China)
Yes
Other
Redmi 15a
-
Redmi Note 12 (China)
24-bit/192kHz Hi-Res audio
WLAN
Redmi 15a
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Redmi Note 12 (China)
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
Redmi 15a
5.4, A2DP, LE
Redmi Note 12 (China)
5.1, A2DP, LE
Positioning
Redmi 15a
GPS, GLONASS, GALILEO, BDS
Redmi Note 12 (China)
GPS (L1), GLONASS (G1), BDS (B1), GALILEO (E1)
NFC
Redmi 15a
No
Redmi Note 12 (China)
No
Radio
Redmi 15a
FM radio, recording
Redmi Note 12 (China)
No
USB
Redmi 15a
USB Type-C 2.0, OTG
Redmi Note 12 (China)
USB Type-C 2.0
Infrared port
Redmi 15a
-
Redmi Note 12 (China)
Yes
Sensors
Redmi 15a
Fingerprint (side-mounted), accelerometer, compass
Redmi Note 12 (China)
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Other
Redmi 15a
Virtual proximity sensing
Redmi Note 12 (China)
-
Type
Redmi 15a
6300 mAh
Redmi Note 12 (China)
Li-Po 5000 mAh
Charging
Redmi 15a
15W wired 7.5W reverse wired
Redmi Note 12 (China)
33W wired
Colors
Redmi 15a
Black, Blue, Purple
Redmi Note 12 (China)
Black, White, Blue
Price
Redmi 15a
About 120 EUR
Redmi Note 12 (China)
About 190 EUR
Models
Redmi 15a
-
Redmi Note 12 (China)
22101317C