Vivo Y400 vs Xiaomi Redmi A4

Product
Vivo Y400
199 USD
Xiaomi Redmi A4
199 USD

Price
199 USD
199 USD
Status
Available
Available
Brand
Vivo Mobiles
Xiaomi Mobiles
Model No
Vivo Y400
Xiaomi Redmi A4

Launch Date
2025, August 07
2024, November 20

Technology
GSM / HSPA / LTE / 5G
GSM / HSPA / LTE / 5G
2G bands
GSM 850 / 900 / 1800 / 1900
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
HSDPA 800 / 850 / 900 / 2100
HSDPA 850 / 900 / 1900 / 2100
4G bands
1, 3, 4, 5, 8, 18, 19, 26, 28, 38, 40, 41, 42, 48
LTE
5G bands
1, 3, 5, 8, 28, 40, 77, 78 SA/NSA
SA/NSA
Speed
HSPA, LTE, 5G
HSPA, LTE, 5G

Dimensions
162.3 x 75.3 x 7.9 mm (6.39 x 2.96 x 0.31 in)
Weight
197 g (6.95 oz)
Build
Glass front, plastic back, plastic frame IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 2m for 30 min) MIL-STD-810H compliant* * does not guarantee ruggedness or use in extreme conditions
Glass front, glass back, plastic frame
SIM
Nano-SIM + Nano-SIM
Dual SIM (Nano-SIM, dual stand-by)
Colors
Glam White, Olive Green
Sparkle Purple

Type
AMOLED, 120Hz, 1200 nits (HBM), 1800 nits (peak)
IPS LCD, 120Hz
Size
6.67 inches, 107.4 cm2 (~87.9% screen-to-body ratio)
6.88 inches, 113.7 cm2 (~85.0% screen-to-body ratio)
Resolution
1080 x 2400 pixels, 20:9 ratio (~395 ppi density)
720 x 1612 pixels, 20:9 ratio (~257 ppi density)

OS
Android 15, Funtouch 15
Android 14, HyperOS
Chipset
Qualcomm SM4450 Snapdragon 4 Gen 2 (4 nm)
Qualcomm SM4635 Snapdragon 4s Gen 2 (4 nm)
CPU
Octa-core (2x2.2 GHz Cortex-A78 & 6x1.95 GHz Cortex-A55)
Octa-core (2x2.2 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55)
GPU
Adreno 613
Adreno

RAM
8GB
4GB
Storage
128GB/256GB UFS 3.1
64GB
Card Slot
microSDXC

Lens 1
50 MP, f/1.8, (wide), 1/2.96", PDAF
50 MP, f/1.8, (wide) Auxiliary lens
Lens 2
2 MP, f/2.4, (depth)
Features
Ring-LED flash, panorama, HDR
LED flash, HDR
Video
1080p@30fps
1080p@30fps

Lens 1
32 MP, f/2.5, (wide)
8 MP
Video
1080p@30fps
1080p@30fps

Capacity
Li-Ion 6000 mAh
5160 mAh, non-removable
Charging
90W wired, 50% in 20 min Reverse wired Bypass Charging
18W wired

Sensors
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass Circle to Search
Fingerprint (side-mounted), accelerometer, compass Virtual proximity sensing

Loudspeaker
Yes, with stereo speakers
Yes
3.5mm jack
No 24-bit/192kHz Hi-Res audio
Yes

WLAN
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
5.0, A2DP, LE
5.4, A2DP, LE
GPS
GPS, GLONASS, GALILEO, BDS, QZSS
GPS (L1+L5), GLONASS, GALILEO, BDS, NavIC
USB
USB Type-C 2.0, OTG
USB Type-C 2.0
NFC
Yes (market/region dependent)