Screen size
Redmi A4Winner: 6.9"+1.6%
Redmi Note 15 Special6.8"
Quick verdict
Redmi Note 15 Special leads the measured specs 14-3.
Measured wins
Redmi A4
3
spec wins
Ties
6
equal specs
Redmi Note 15 Special
14
spec wins
Overall winner
Screen size
Technology
Redmi A4
GSM / HSPA / LTE / 5G
Redmi Note 15 Special
GSM / HSPA / LTE / 5G
2G bands
Redmi A4
GSM 850 / 900 / 1800 / 1900
Redmi Note 15 Special
GSM 850 / 900 / 1800 / 1900
3G bands
Redmi A4
HSDPA 850 / 900 / 1900 / 2100
Redmi Note 15 Special
HSDPA 850 / 900 / 2100
4G bands
Redmi A4
LTE
Resolution
Refresh rate
equal specsPeak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
equal specsFront camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
SD card
equal specsStereo speakers
Redmi Note 15 Special
1, 3, 5, 8, 28, 40, 41
5G bands
Redmi A4
1, 3, 5, 8, 28, 40, 78 SA/NSA
Redmi Note 15 Special
1, 3, 5, 8, 28, 40, 78 SA/NSA
Speed
Redmi A4
HSPA, LTE, 5G
Redmi Note 15 Special
HSPA, LTE, 5G
Announced
Redmi A4
2024, October 16
Redmi Note 15 Special
2026, April 02
Status
Redmi A4
Available. Released 2024, November 27
Redmi Note 15 Special
Released Apr 7, 2026
Dimensions
Redmi A4
171.9 x 77.8 x 8.2 mm (6.77 x 3.06 x 0.32 in)
Redmi Note 15 Special
164.0 x 75.4 x 7.4 mm or 7.8 mm
Weight
Redmi A4
212.4 g (7.51 oz)
Redmi Note 15 Special
178 g or 182 g (6.28 oz)
Build
Redmi A4
Glass front, glass back, plastic frame
Redmi Note 15 Special
-
SIM
Redmi A4
Nano-SIM + Nano-SIM
Redmi Note 15 Special
Nano-SIM + Nano-SIM
Other
Redmi A4
Dust and splash resistant
Redmi Note 15 Special
Drop resistant up to 1.7m MIL-STD-810H compliant* * does not guarantee ruggedness or use in extreme conditions IP66 dust tight and water resistant (high pressure water jets)
Type
Redmi A4
IPS LCD, 120Hz, 450 nits (typ), 600 nits (HBM)
Redmi Note 15 Special
AMOLED, 68B colors, 120Hz, 3840Hz PWM, 800 nits (typ), 3200 nits (peak)
Size
Redmi A4
6.88 inches, 112.4 cm2 (~84.0% screen-to-body ratio)
Redmi Note 15 Special
6.77 inches, 110.9 cm2 (~89.7% screen-to-body ratio)
Resolution
Redmi A4
720 x 1640 pixels (~260 ppi density)
Redmi Note 15 Special
1080 x 2392 pixels (~388 ppi density)
OS
Redmi A4
Android 14, up to 2 major Android upgrades, HyperOS
Redmi Note 15 Special
Android 15, up to 4 major Android upgrades, HyperOS 2
Chipset
Redmi A4
Qualcomm SM4635 Snapdragon 4s Gen 2 (4 nm)
Redmi Note 15 Special
Qualcomm SM6475-AB Snapdragon 6 Gen 3 (4 nm)
CPU
Redmi A4
Octa-core (2x2.0 GHz Cortex-A78 & 6x1.8 GHz Cortex-A55)
Redmi Note 15 Special
Octa-core (4x2.4 GHz Cortex-A78 & 4x1.8 GHz Cortex-A55)
GPU
Redmi A4
Adreno
Redmi Note 15 Special
Adreno 710
Card slot
Redmi A4
microSDXC (dedicated slot)
Redmi Note 15 Special
microSDXC (uses shared SIM slot)
Internal
Redmi A4
64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM
Redmi Note 15 Special
128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
Other
Redmi A4
UFS 2.2
Redmi Note 15 Special
UFS 2.2
Single
Redmi A4
50 MP, f/1.8, (wide) Auxiliary lens
Redmi Note 15 Special
-
Features
Redmi A4
LED flash, HDR
Redmi Note 15 Special
LED flash, HDR, panorama
Video
Redmi A4
1080p@30fps
Redmi Note 15 Special
4K@30fps, 1080p@30fps, gyro-EIS
Dual
Redmi A4
-
Redmi Note 15 Special
50 MP, f/1.8, (wide), 1/2.88", 0.61µm, PDAF Auxiliary lens
Single
Redmi A4
5 MP, f/2.2, (wide)
Redmi Note 15 Special
20 MP, f/2.2, (wide), 1/4"
Video
Redmi A4
1080p@30fps
Redmi Note 15 Special
1080p@30fps
Loudspeaker
Redmi A4
Yes
Redmi Note 15 Special
Yes, with stereo speakers (with Dolby Atmos)
3.5mm jack
Redmi A4
Yes
Redmi Note 15 Special
No
Other
Redmi A4
-
Redmi Note 15 Special
24-bit/192kHz Hi-Res audio
WLAN
Redmi A4
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Redmi Note 15 Special
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
Redmi A4
5.3, A2DP, LE
Redmi Note 15 Special
5.1, A2DP, LE
Positioning
Redmi A4
GPS
Redmi Note 15 Special
GPS, GALILEO, GLONASS, QZSS, BDS
NFC
Redmi A4
No
Redmi Note 15 Special
No
Radio
Redmi A4
Unspecified
Redmi Note 15 Special
No
USB
Redmi A4
USB Type-C 2.0
Redmi Note 15 Special
USB Type-C 2.0, OTG
Infrared port
Redmi A4
-
Redmi Note 15 Special
Yes
Sensors
Redmi A4
Fingerprint (side-mounted)
Redmi Note 15 Special
Fingerprint (under display, optical), accelerometer, gyro, compass
Other
Redmi A4
-
Redmi Note 15 Special
Virtual proximity sensing
Type
Redmi A4
5160 mAh
Redmi Note 15 Special
Li-Ion 5800 mAh
Charging
Redmi A4
18W wired
Redmi Note 15 Special
45W wired 18W reverse wired
Colors
Redmi A4
Sparkle Purple, Starry Black
Redmi Note 15 Special
Crimson Reserve red, Carbon Black, Frosted White
Models
Redmi A4
24116RNC1I
Redmi Note 15 Special
-
SAR
Redmi A4
0.81 W/kg (head) 0.71 W/kg (body)
Redmi Note 15 Special
-
Price
Redmi A4
₹ 9,499
Redmi Note 15 Special
About 190 EUR