Xiaomi Redmi A4 vs Vivo Y400

Product
Xiaomi Redmi A4
199 USD
Vivo Y400
199 USD

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

Launch Date
2024, November 20
2025, August 07

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

Build
Glass front, glass back, plastic frame
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
SIM
Dual SIM (Nano-SIM, dual stand-by)
Nano-SIM + Nano-SIM
Colors
Sparkle Purple
Glam White, Olive Green
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)

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

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

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

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

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

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

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

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

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