Screen size
Redmi 15aWinner: 6.9"+3.3%
Redmi Note 126.7"
Quick verdict
Redmi Note 12 leads the measured specs 12-4.
Measured wins
Redmi 15a
4
spec wins
Ties
6
equal specs
Redmi Note 12
12
spec wins
Overall winner
Screen size
Technology
Redmi 15a
GSM / HSPA / LTE / 5G
Redmi Note 12
GSM / HSPA / LTE / 5G
2G bands
Redmi 15a
GSM 850 / 900 / 1800 / 1900
Redmi Note 12
GSM 850 / 900 / 1800 / 1900
3G bands
Redmi 15a
HSDPA 850 / 900 / 2100
Redmi Note 12
HSDPA 850 / 900 / 2100
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
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
Redmi Note 12
1, 3, 5, 8, 40, 41
5G bands
Redmi 15a
1, 3, 5, 8, 28, 40, 41, 78 SA/NSA
Redmi Note 12
1, 3, 5, 8, 28, 40, 78 SA/NSA
Speed
Redmi 15a
HSPA, LTE, 5G
Redmi Note 12
HSPA, LTE, 5G
Announced
Redmi 15a
2026, March 27
Redmi Note 12
2022, October 27
Status
Redmi 15a
Released Apr 3, 2026
Redmi Note 12
Available. Released 2023, January 11
Dimensions
Redmi 15a
171.6 x 79.5 x 8.2 mm (6.76 x 3.13 x 0.32 in)
Redmi Note 12
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
188 g (6.63 oz)
SIM
Redmi 15a
Nano-SIM + Nano-SIM
Redmi Note 12
Nano-SIM + Nano-SIM
Other
Redmi 15a
Dust and splash resistant
Redmi Note 12
IP53 dust protected and water resistant (vertical water sprays)
Type
Redmi 15a
IPS LCD, 120Hz, 800 nits (peak)
Redmi Note 12
AMOLED, 120Hz, 1200 nits (peak)
Size
Redmi 15a
6.9 inches, 114.9 cm2 (~84.3% screen-to-body ratio)
Redmi Note 12
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
1080 x 2400 pixels, 20:9 ratio (~395 ppi density)
Protection
Redmi 15a
-
Redmi Note 12
Corning Gorilla Glass 3
OS
Redmi 15a
Android 16, HyperOS 3, up to 4 major Android upgrades
Redmi Note 12
Android 12, MIUI 14 (International), MIUI 13 (India)
Chipset
Redmi 15a
Unisoc T8300 (6 nm)
Redmi Note 12
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
Octa-core (2x2.0 GHz Cortex-A78 & 6x1.8 GHz Cortex-A55)
GPU
Redmi 15a
Mali-G57 MC2
Redmi Note 12
Adreno 619
Card slot
Redmi 15a
microSDXC (dedicated slot)
Redmi Note 12
microSDXC (uses shared SIM slot)
Internal
Redmi 15a
64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM
Redmi Note 12
128GB 4GB RAM, 128GB 6GB RAM, 256GB 8GB RAM
Other
Redmi 15a
UFS 2.2
Redmi Note 12
UFS 2.2
Dual
Redmi 15a
32 MP, f/2.0, (wide), 1.12µm, AF Auxiliary lens
Redmi Note 12
-
Features
Redmi 15a
LED flash, HDR
Redmi Note 12
Dual-LED dual-tone flash, HDR, panorama
Video
Redmi 15a
1080p@30fps
Redmi Note 12
1080p@30fps
Triple
Redmi 15a
-
Redmi Note 12
48 MP, f/1.8, (wide), PDAF 8 MP, f/2.2, 120˚ (ultrawide), 1/4.0", 1.12µm 2 MP (macro)
Single
Redmi 15a
8 MP, f/2.0, (wide), 1/4.0", 1.12µm
Redmi Note 12
13 MP, f/2.5, (wide), 1/3.0"
Features
Redmi 15a
HDR
Redmi Note 12
HDR
Video
Redmi 15a
1080p@30fps
Redmi Note 12
1080p@30fps
Loudspeaker
Redmi 15a
Yes
Redmi Note 12
Yes
3.5mm jack
Redmi 15a
Yes
Redmi Note 12
Yes
Other
Redmi 15a
-
Redmi Note 12
24-bit/192kHz Hi-Res audio
WLAN
Redmi 15a
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Redmi Note 12
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
Redmi 15a
5.4, A2DP, LE
Redmi Note 12
5.1, A2DP, LE
Positioning
Redmi 15a
GPS, GLONASS, GALILEO, BDS
Redmi Note 12
GPS, GLONASS
NFC
Redmi 15a
No
Redmi Note 12
Yes (market/region dependent)
Radio
Redmi 15a
FM radio, recording
Redmi Note 12
Unspecified
USB
Redmi 15a
USB Type-C 2.0, OTG
Redmi Note 12
USB Type-C 2.0, OTG
Infrared port
Redmi 15a
-
Redmi Note 12
Yes
Sensors
Redmi 15a
Fingerprint (side-mounted), accelerometer, compass
Redmi Note 12
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Other
Redmi 15a
Virtual proximity sensing
Redmi Note 12
-
Type
Redmi 15a
6300 mAh
Redmi Note 12
Li-Po 5000 mAh
Charging
Redmi 15a
15W wired 7.5W reverse wired
Redmi Note 12
33W wired, 50% in 22 min
Colors
Redmi 15a
Black, Blue, Purple
Redmi Note 12
Frosted Green, Matte Black, Mystique Blue
Price
Redmi 15a
About 120 EUR
Redmi Note 12
€ 99.00 / ₹ 12,899
Models
Redmi 15a
-
Redmi Note 12
22111317I, 22111317G
SAR
Redmi 15a
-
Redmi Note 12
1.09 W/kg (head) 1.05 W/kg (body)
SAR EU
Redmi 15a
-
Redmi Note 12
0.68 W/kg (head) 0.91 W/kg (body)