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Realme 15x 5G Vs Vivo Y400 5G

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Comparos.In brings you, comparison of Realme 15x 5G and Vivo Y400 5G . The price of Realme 15x 5G is 16,999 and Vivo Y400 5G is 21,999. Realme 15x 5G is available in 6.8 inches (17.27 cm) inch size, Ram 6 GB and 7000 mAh Mobile whereas Vivo Y400 5G is available in 6.67 inches (16.94 cm) inch size, Ram 8 GB and 6000 mAh mobile. Apart from prices, you can also find detailed comparisons of these Mobiles based on Refresh rate, Front Camera, Rear Camera convenience features like processor, chipset and warranty. Comparisons between these Mobiles have been carried out to help you make the correct buying decision between Realme 15x 5G and Vivo Y400 5G .

Realme 15x 5G vs Vivo Y400 5G Comparison Overview

Key HighlightsRealme 15x 5GVivo Y400 5G
BrandRealmeVivo
Price16,99921,999
Display Size6.8 inches (17.27 cm) inch6.67 inches (16.94 cm) inch
Ram6 GB8 GB
Battery7000 mAh6000 mAh
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Key Specifications

RAM & Storage
6 GB RAM + 128 GB, 8 GB RAM + 128 GB
8 GB RAM + 128 GB, 8 GB RAM + 256 GB
Processor
Octa core (2.4 GHz, Dual core, Cortex A76 + 2 GHz, Hexa Core, Cortex A55)
Qualcomm Snapdragon 4 Gen 2 SM4450
Rear Camera
50 MP
50 MP + 2 MP
Front Camera
50 MP
32 MP
Battery
7000 mAh
6000 mAh
Display
6.8 inches (17.27 cm)
6.67 inches (16.94 cm)

General

Launch Date
October 1, 2025 (Official)
August 7, 2025 (Official)
Operating System
Android v15
Android v15
OS Updates
NA
2 Years
Security Updates
NA
3 Years
Custom UI
Realme UI
Funtouch OS

Design

Height
166.07 mm
162.99 mm
Width
77.93 mm
75.31 mm
Thickness
8.28 mm
7.90 mm
Weight
212 grams
197 grams
Build Material
NA
Back: Plastic
Water Resistance
Yes, Water resistant, IP68, IP69, (up to 30 minutes in a depth of 2 meter)
Yes, Water resistant, IP68, IP69, (up to 30 minutes in a depth of 2 meter)
Ruggedness
Dust proof, Shock proof
Dust proof

Display

Display Type
IPS LCD
AMOLED
Screen Size
6.8 inches (17.27 cm)
6.67 inches (16.94 cm)
Resolution
720x1570 px (HD+)
1080x2400 px (FHD+)
Peak Brightness
1200 nits
1800 nits
Refresh Rate
144 Hz
120 Hz
Aspect Ratio
20:9
20:9
Pixel Density
254 ppi
394 ppi
Screen to Body Ratio (calculated)
87.52 %
87.51 %
Screen Protection
NA
NA
Bezel-less display
Yes with punch-hole display
Yes with punch-hole display
Screen to Body Ratio (claimed by the brand)
90.4 %
91.9 %

Performance

Chipset
MediaTek Dimensity 6300
Qualcomm Snapdragon 4 Gen 2 SM4450
CPU
Octa core (2.4 GHz, Dual core, Cortex A76 + 2 GHz, Hexa Core, Cortex A55)
Octa core (2.2 GHz, Dual core, Cortex A78 + 1.95 GHz, Hexa Core, Cortex A55)
Architecture
64 bit
64 bit
Fabrication
6 nm
4 nm
Graphics
Mali-G57 MC2
Adreno 613
RAM
6 GB / 8 GB
8 GB
RAM Type
LPDDR4X
LPDDR4X

Storage

Internal Memory
128 GB
128 GB / 256 GB
Expandable Memory
Yes
NA
Storage Type
NA
UFS 3.1
USB OTG
Yes
Yes

Camera

Main Camera Resolution
50 MP Primary Camera, f/1.8, Wide Angle (1/2.88" sensor size, 0.61µm Pixel Size)
50 MP Primary Camera, f/1.8, Wide Angle (1/1.95" sensor size, 0.8µm pixel size) + 8 MP f/2.4,Depth Camera
Autofocus
Yes, Phase Detection Autofocus
Yes
OIS
NA
NA
Flash
Yes, LED Flash
Yes, Dual-color LED Flash + Aura Light
Image Resolution
3072 x 4096 Pixels
8150 x 6150 Pixels
Settings
NA
Exposure compensation, ISO control
Shooting Modes
Cinema Mode, High Dynamic Range mode (HDR)
Continuous Shooting, High Dynamic Range mode (HDR), SuperMoon
Camera Features
NA
Digital Zoom, Auto Flash, Face detection, Touch to focus
Video Recording
1920x1080 @ 30 fps, 1280x720 @ 30 @ 120 fps
1920x1080 @ 30 fps
Video Recording Features
Slow Motion, Dual Video Recording
Dual Video Recording
Front Camera Resolution
50 MP f/2.4, Wide Angle, Primary Camera
32 MP f/2.45, Wide Angle, Primary Camera (1/3.1" sensor size)
Front Video Recording
3840x2160 @ 30 @ 60 fps, 1920x1080 @ 30 @ 60 fps, 1280x720 @ 30 fps
1920x1080 @ 30 fps

Battery

Capacity
7000 mAh
6000 mAh
Quick Charging
Yes, 60W Super VOOC Charging
Yes, 90W Flash Charging, 50% in 20 minutes

Network & Connectivity

SIM Slot(s)
Dual SIM
Dual SIM
SIM Size
SIM1: Nano, SIM2: Nano
SIM1: Nano, SIM2: Nano
Network Support
5G, 4G
5G, 4G
VoLTE
Yes
Yes
SIM 1 Bands
5G Bands: FDD N1 / N3 / N5 / N8 / N28, TDD N40 / N41 / N77 / N78; 4G Bands: TD-LTE 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 700(band 28) / 850(band 5)
5G Bands: FDD N1 / N3 / N5 / N8 / N28, TDD N40 / N77 / N78; 4G Bands: TD-LTE 2600(band 38) / 3500(band 48) / 2300(band 40) / 2500(band 41) / 3500(band 42), FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 700(band 28) / 1700(band 4) / 850(band 5) / 850(band 18) / 850(band 19) / 850(band 26)
SIM 2 Bands
5G Bands: FDD N1 / N3 / N5 / N8 / N28, TDD N40 / N41 / N77 / N78; 4G Bands: TD-LTE 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 700(band 28) / 850(band 5)
5G Bands: FDD N1 / N3 / N5 / N8 / N28, TDD N40 / N77 / N78; 4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 3500(band 42) / 3500(band 48), TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 3500(band 42) / 3500(band 48)
SAR Value
NA
Head: 0.99 W/kg, Body: 0.80 W/kg
Wi-Fi
Yes, Wi-Fi 5 (802.11 a/b/g/n/ac)
Yes, Wi-Fi 5 (802.11 a/b/g/n/ac) 5GHz
Wi-Fi Features
Mobile Hotspot
Mobile Hotspot
Bluetooth
Yes, v5.3
Yes, v5.0
GPS
Yes with A-GPS, Glonass
Yes with Glonass
NFC
No
No

Multimedia

FM Radio
NA
No
Stereo Speakers
No
Yes
Audio Jack
USB Type-C
USB Type-C

Special Features

Fingerprint Sensor
Yes
Yes
Fingerprint Sensor Position
Side
On-screen
Other Sensors
Light sensor, Proximity sensor, Accelerometer, Compass
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope

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