Screen size
Redmi 15aWinner: 6.9"+5.4%
Redmi Note 9T6.5"
Quick verdict
Redmi Note 9T leads the measured specs 10-6.
Measured wins
Redmi 15a
6
spec wins
Ties
6
equal specs
Redmi Note 9T
10
spec wins
Overall winner
Screen size
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
equal specsStorage
equal specsMain 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
Technology
Redmi 15a
GSM / HSPA / LTE / 5G
Redmi Note 9T
GSM / HSPA / LTE / 5G
2G bands
Redmi 15a
GSM 850 / 900 / 1800 / 1900
Redmi Note 9T
GSM 850 / 900 / 1800 / 1900
3G bands
Redmi 15a
HSDPA 850 / 900 / 2100
Redmi Note 9T
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
Redmi 15a
1, 3, 5, 8, 28, 40, 41
Redmi Note 9T
1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 32, 38, 40, 41, 42
5G bands
Redmi 15a
1, 3, 5, 8, 28, 40, 41, 78 SA/NSA
Redmi Note 9T
1, 3, 5, 7, 8, 20, 28, 38, 41, 77, 78, 79 SA/NSA/Sub6
Speed
Redmi 15a
HSPA, LTE, 5G
Redmi Note 9T
HSPA, LTE, 5G
Announced
Redmi 15a
2026, March 27
Redmi Note 9T
2021, January 08
Status
Redmi 15a
Released Apr 3, 2026
Redmi Note 9T
Available. Released 2021, January 18
Dimensions
Redmi 15a
171.6 x 79.5 x 8.2 mm (6.76 x 3.13 x 0.32 in)
Redmi Note 9T
161.2 x 77.3 x 9.1 mm (6.35 x 3.04 x 0.36 in)
Weight
Redmi 15a
210 g (7.41 oz)
Redmi Note 9T
199 g (7.02 oz)
SIM
Redmi 15a
Nano-SIM + Nano-SIM
Redmi Note 9T
Nano-SIM + Nano-SIM
Other
Redmi 15a
Dust and splash resistant
Redmi Note 9T
Water-repellent coating
Build
Redmi 15a
-
Redmi Note 9T
Glass front (Gorilla Glass 5), plastic back, plastic frame
Type
Redmi 15a
IPS LCD, 120Hz, 800 nits (peak)
Redmi Note 9T
IPS LCD, 450 nits (typ)
Size
Redmi 15a
6.9 inches, 114.9 cm2 (~84.3% screen-to-body ratio)
Redmi Note 9T
6.53 inches, 104.7 cm2 (~84.0% screen-to-body ratio)
Resolution
Redmi 15a
720 x 1600 pixels, 20:9 ratio (~254 ppi density)
Redmi Note 9T
1080 x 2340 pixels, 19.5:9 ratio (~395 ppi density)
Protection
Redmi 15a
-
Redmi Note 9T
Corning Gorilla Glass 5
OS
Redmi 15a
Android 16, HyperOS 3, up to 4 major Android upgrades
Redmi Note 9T
Android 10, MIUI 12
Chipset
Redmi 15a
Unisoc T8300 (6 nm)
Redmi Note 9T
Mediatek Dimensity 800U (7 nm)
CPU
Redmi 15a
Octa-core (2x2.2 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55)
Redmi Note 9T
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
Redmi 15a
Mali-G57 MC2
Redmi Note 9T
Mali-G57 MC3
Card slot
Redmi 15a
microSDXC (dedicated slot)
Redmi Note 9T
microSDXC (dedicated slot)
Internal
Redmi 15a
64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM
Redmi Note 9T
64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM
Other
Redmi 15a
UFS 2.2
Redmi Note 9T
UFS 2.1 - 64GB UFS 2.2 - 128GB
Dual
Redmi 15a
32 MP, f/2.0, (wide), 1.12µm, AF Auxiliary lens
Redmi Note 9T
-
Features
Redmi 15a
LED flash, HDR
Redmi Note 9T
LED flash, HDR, panorama
Video
Redmi 15a
1080p@30fps
Redmi Note 9T
4K@30fps, 1080p@30/60fps
Triple
Redmi 15a
-
Redmi Note 9T
48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF 2 MP (macro) Auxiliary lens
Single
Redmi 15a
8 MP, f/2.0, (wide), 1/4.0", 1.12µm
Redmi Note 9T
13 MP, f/2.3, 29mm (standard), 1/3.1", 1.12µm
Features
Redmi 15a
HDR
Redmi Note 9T
-
Video
Redmi 15a
1080p@30fps
Redmi Note 9T
1080p@30fps
Loudspeaker
Redmi 15a
Yes
Redmi Note 9T
Yes, with stereo speakers
3.5mm jack
Redmi 15a
Yes
Redmi Note 9T
Yes
Other
Redmi 15a
-
Redmi Note 9T
24-bit/192kHz Hi-Res audio
WLAN
Redmi 15a
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Redmi Note 9T
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
Redmi 15a
5.4, A2DP, LE
Redmi Note 9T
5.1, A2DP, LE
Positioning
Redmi 15a
GPS, GLONASS, GALILEO, BDS
Redmi Note 9T
GPS, GLONASS, GALILEO, BDS
NFC
Redmi 15a
No
Redmi Note 9T
Yes
Radio
Redmi 15a
FM radio, recording
Redmi Note 9T
FM radio, recording
USB
Redmi 15a
USB Type-C 2.0, OTG
Redmi Note 9T
USB Type-C 2.0
Infrared port
Redmi 15a
-
Redmi Note 9T
Yes
Sensors
Redmi 15a
Fingerprint (side-mounted), accelerometer, compass
Redmi Note 9T
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Other
Redmi 15a
Virtual proximity sensing
Redmi Note 9T
-
Type
Redmi 15a
6300 mAh
Redmi Note 9T
Li-Po 5000 mAh
Charging
Redmi 15a
15W wired 7.5W reverse wired
Redmi Note 9T
18W wired, 33% in 30 min
Colors
Redmi 15a
Black, Blue, Purple
Redmi Note 9T
Nightfall Black, Daybreak Purple
Price
Redmi 15a
About 120 EUR
Redmi Note 9T
About 130 EUR
Models
Redmi 15a
-
Redmi Note 9T
M2007J22G, J22
SAR
Redmi 15a
-
Redmi Note 9T
1.07 W/kg (head) 1.05 W/kg (body)
SAR EU
Redmi 15a
-
Redmi Note 9T
0.59 W/kg (head) 0.94 W/kg (body)