Screen size
Redmi 15aWinner: 6.9"+0.3%
Redmi A46.9"
Quick verdict
Redmi 15a leads the measured specs 7-5.
Measured wins
Redmi 15a
7
spec wins
Overall winner
Ties
9
equal specs
Redmi A4
5
spec wins
Screen size
Technology
Redmi 15a
GSM / HSPA / LTE / 5G
Redmi A4
GSM / HSPA / LTE / 5G
2G bands
Redmi 15a
GSM 850 / 900 / 1800 / 1900
Redmi A4
GSM 850 / 900 / 1800 / 1900
3G bands
Redmi 15a
HSDPA 850 / 900 / 2100
Redmi A4
HSDPA 850 / 900 / 1900 / 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
equal specsMain camera
Front camera
Battery
Wired charging
Weight
Thickness
equal specsIP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
Redmi A4
LTE
5G bands
Redmi 15a
1, 3, 5, 8, 28, 40, 41, 78 SA/NSA
Redmi A4
1, 3, 5, 8, 28, 40, 78 SA/NSA
Speed
Redmi 15a
HSPA, LTE, 5G
Redmi A4
HSPA, LTE, 5G
Announced
Redmi 15a
2026, March 27
Redmi A4
2024, October 16
Status
Redmi 15a
Released Apr 3, 2026
Redmi A4
Available. Released 2024, November 27
Dimensions
Redmi 15a
171.6 x 79.5 x 8.2 mm (6.76 x 3.13 x 0.32 in)
Redmi A4
171.9 x 77.8 x 8.2 mm (6.77 x 3.06 x 0.32 in)
Weight
Redmi 15a
210 g (7.41 oz)
Redmi A4
212.4 g (7.51 oz)
SIM
Redmi 15a
Nano-SIM + Nano-SIM
Redmi A4
Nano-SIM + Nano-SIM
Other
Redmi 15a
Dust and splash resistant
Redmi A4
Dust and splash resistant
Build
Redmi 15a
-
Redmi A4
Glass front, glass back, plastic frame
Type
Redmi 15a
IPS LCD, 120Hz, 800 nits (peak)
Redmi A4
IPS LCD, 120Hz, 450 nits (typ), 600 nits (HBM)
Size
Redmi 15a
6.9 inches, 114.9 cm2 (~84.3% screen-to-body ratio)
Redmi A4
6.88 inches, 112.4 cm2 (~84.0% screen-to-body ratio)
Resolution
Redmi 15a
720 x 1600 pixels, 20:9 ratio (~254 ppi density)
Redmi A4
720 x 1640 pixels (~260 ppi density)
OS
Redmi 15a
Android 16, HyperOS 3, up to 4 major Android upgrades
Redmi A4
Android 14, up to 2 major Android upgrades, HyperOS
Chipset
Redmi 15a
Unisoc T8300 (6 nm)
Redmi A4
Qualcomm SM4635 Snapdragon 4s Gen 2 (4 nm)
CPU
Redmi 15a
Octa-core (2x2.2 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55)
Redmi A4
Octa-core (2x2.0 GHz Cortex-A78 & 6x1.8 GHz Cortex-A55)
GPU
Redmi 15a
Mali-G57 MC2
Redmi A4
Adreno
Card slot
Redmi 15a
microSDXC (dedicated slot)
Redmi A4
microSDXC (dedicated slot)
Internal
Redmi 15a
64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM
Redmi A4
64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM
Other
Redmi 15a
UFS 2.2
Redmi A4
UFS 2.2
Dual
Redmi 15a
32 MP, f/2.0, (wide), 1.12µm, AF Auxiliary lens
Redmi A4
-
Features
Redmi 15a
LED flash, HDR
Redmi A4
LED flash, HDR
Video
Redmi 15a
1080p@30fps
Redmi A4
1080p@30fps
Single
Redmi 15a
-
Redmi A4
50 MP, f/1.8, (wide) Auxiliary lens
Single
Redmi 15a
8 MP, f/2.0, (wide), 1/4.0", 1.12µm
Redmi A4
5 MP, f/2.2, (wide)
Features
Redmi 15a
HDR
Redmi A4
-
Video
Redmi 15a
1080p@30fps
Redmi A4
1080p@30fps
Loudspeaker
Redmi 15a
Yes
Redmi A4
Yes
3.5mm jack
Redmi 15a
Yes
Redmi A4
Yes
WLAN
Redmi 15a
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Redmi A4
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
Redmi 15a
5.4, A2DP, LE
Redmi A4
5.3, A2DP, LE
Positioning
Redmi 15a
GPS, GLONASS, GALILEO, BDS
Redmi A4
GPS
NFC
Redmi 15a
No
Redmi A4
No
Radio
Redmi 15a
FM radio, recording
Redmi A4
Unspecified
USB
Redmi 15a
USB Type-C 2.0, OTG
Redmi A4
USB Type-C 2.0
Sensors
Redmi 15a
Fingerprint (side-mounted), accelerometer, compass
Redmi A4
Fingerprint (side-mounted)
Other
Redmi 15a
Virtual proximity sensing
Redmi A4
-
Type
Redmi 15a
6300 mAh
Redmi A4
5160 mAh
Charging
Redmi 15a
15W wired 7.5W reverse wired
Redmi A4
18W wired
Colors
Redmi 15a
Black, Blue, Purple
Redmi A4
Sparkle Purple, Starry Black
Price
Redmi 15a
About 120 EUR
Redmi A4
₹ 9,499
Models
Redmi 15a
-
Redmi A4
24116RNC1I
SAR
Redmi 15a
-
Redmi A4
0.81 W/kg (head) 0.71 W/kg (body)