Side-by-side technical data

Xiaomi Redmi Note 15 Special vs vivo Y400

Comparison between Xiaomi Redmi Note 15 Special and vivo Y400: camera, battery, fast charging, display, performance and colors, side by side. More phones from Xiaomi and vivo.

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Xiaomi

Redmi Note 15 Special

vivo

Y400

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The verdict

Neither runs away with it: each wins something.

Category
Category	Redmi Note 15 Special	Y400
Design & display	7.6	8.2
Performance & hardware	6.8	5.9
Camera	4.0	3.6
Connectivity	5.6	6.3
Battery & charging	7.1	7.4

Which one is for you?

Xiaomi Redmi Note 15 Special, if you care about…

Bluetooth Version: Bluetooth 5.1; against Bluetooth 5.0
Peak Display Brightness: 3,200 nits; against 1,800 nits
Expandable Storage: Yes; against No
Body Materials: Glass, Plastic, Leather; against Glass, Plastic

vivo Y400, if you care about…

Battery Capacity: 6,000 mAh; against 5,800 mAh
Storage Type: UFS 3.1; against UFS 2.2
Resistance Features: IP68, IP69, MIL-STD-810H; against MIL-STD-810H, IP66
Fast Charge Power: 90 W; against 45 W

Specification comparison

Show differences only

Performance

Specification	Redmi Note 15 Special	Y400
Processor Model	Qualcomm Snapdragon 6 Gen 3	Qualcomm Snapdragon 4 Gen 2
Processor Process Size	4 nm	4 nm
Graphics GPU	Qualcomm Adreno 710	Qualcomm Adreno 613
Storage Type	UFS 2.2	UFS 3.1 Best value
Maximum CPU Clock	2.4 GHz Best value	2.2 GHz
Maximum Storage Capacity	256 GB	256 GB
AnTuTu Score	—	456,552
CPU Description	Octa-core CPU with four Cortex-A78 cores at 2.4 GHz and four Cortex-A55 cores at 1.8 GHz.	Octa-core CPU with 2x2.2 GHz Cortex-A78 and 6x1.95 GHz Cortex-A55 cores.
Processor Type	Octa-Core	Octa-Core
64-Bit Processor	—	Yes
RAM Capacity	8 GB	8 GB
RAM Type	—	LPDDR4X
Expandable Storage	Yes Best value	No
AnTuTu version	—	v10

Design

Specification	Redmi Note 15 Special	Y400
Body Colors	Red, Black, White	White, Green, Black
Body Thickness	—	7.9 mm
Body Width	75.4 mm	75.3 mm
Body Height	164 mm	162.3 mm
Weight	—	197 g
Usable Surface	89.7 % Best value	87.9 %
Body Materials	Glass, Plastic, Leather Best value	Glass, Plastic
Resistance Features	MIL-STD-810H, IP66	IP68, IP69, MIL-STD-810H Best value
Waterproof Depth	1.7 m	2 m Best value

Battery

Specification	Redmi Note 15 Special	Y400
Battery Capacity	5,800 mAh	6,000 mAh Best value
Battery Type	Li-Ion	Li-Ion
Fast Charge Power	45 W	90 W Best value
Battery Features	Fast Charging, Reverse Charging	Fast Charging, Bypass Charging, Reverse Charging, Non-Removable, Rechargeable, Battery Level Indicator

Display

Specification	Redmi Note 15 Special	Y400
Display Aspect Ratio	20:9	20:9
Display Technology	AMOLED	AMOLED
Peak Display Brightness	3,200 nits Best value	1,800 nits
Display Diagonal	6.77″ Best value	6.67″
Display Horizontal Resolution	1,080 px	1,080 px
Display Vertical Resolution	2,392 px	2,400 px Best value
Display Pixel Density	388 ppi	395 ppi Best value
Display Refresh Rate	120 Hz	120 Hz
Display Contrast Ratio	—	1,500 :1
Display Features	3840Hz PWM, 120Hz	Hole-Punch Notch, Curved Glass, Always-On Display, Capacitive Touch, Multi-Touch, Scratch Resistant, Frameless, DCI-P3, 120Hz

Sensors

Specification	Redmi Note 15 Special	Y400
Fingerprint Sensor Placement	Under Display	Under Display

Sensor

Specification	Redmi Note 15 Special	Y400
Sensor Features	Fingerprint Sensor, Accelerometer, Gyroscope, Compass	Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass, Cooling System

Software

Specification	Redmi Note 15 Special	Y400
Operating System	Android 15	Android 15
OS Family	Android	Android
OS Version	15	15
OS Update Support	—	1 year

Connectivity

Specification	Redmi Note 15 Special	Y400
SIM Configurations	Dual Nano-SIM	Dual Nano-SIM, Dual SIM Dual Standby, Dual SIM
Cellular Bands	2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS B900, 3G UMTS 2100, 4G LTE B1, 4G LTE B3, 4G LTE B5, 4G LTE B8, LTE B28, 4G LTE B40, 4G LTE B41, 5G NR n1, 5G NR n3, 5G NR n5, 5G NR n8, 5G NR n28, 5G NR n40, 5G NR n78	2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS 800, 3G UMTS B850, 3G UMTS B900, 3G UMTS 2100, 3G UMTS B1, 3G UMTS B5, 3G UMTS B6, 3G UMTS B8, 3G UMTS B18, 3G UMTS B19, 4G LTE B1, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B8, 4G LTE B18, 4G LTE B19, 4G LTE B26, 4G LTE B28B, 4G LTE B38, 4G LTE B40, 4G LTE B41, 4G LTE B42, 4G LTE B48, 5G NR n1, 5G NR n3, 5G NR n5, 5G NR n8, 5G NR n28b, 5G NR n40, 5G NR n77, 5G NR n78
Cellular Technologies	GSM, HSPA, LTE, 5G	GSM, HSPA, LTE, 5G
Wi-Fi Standards	Wi-Fi 802.11a/b/g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)	Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 802.11a/b/g
Wi-Fi Features	Dual Band, Wi-Fi Direct	Dual Band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display
Bluetooth Version	Bluetooth 5.1 Best value	Bluetooth 5.0
Bluetooth Profiles	A2DP, LE	A2DP, LE
Navigation Systems	GPS, Galileo, GLONASS, QZSS, BeiDou	GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS Best value
Connectivity Features	Virtual Proximity Sensing, Infrared, USB Type-C, USB OTG	USB Charging, USB Mass Storage, USB OTG, USB Host 2.0, USB Type-C, NFC, Computer Sync, OTA Sync, Tethering, Infrared, VoLTE, VoWiFi, USB 2.0, USB Host
USB Version	USB 2.0	USB 2.0
SAR American Head	—	0.99 W/kg
SAR American Body	—	0.8 W/kg
Max. download speed	—	2,500 Mbps
Max. upload speed	—	900 Mbps

Audio

Specification	Redmi Note 15 Special	Y400
Audio Features	A2DP, LE, Stereo Speakers, Dolby Atmos, Hi-Res Audio	Stereo Speakers, A2DP, LE, Hi-Res Audio