Xiaomi Mi 6X vs Vivo Y400

199 USD

199 USD

Discontinued

Available

Xiaomi Mobiles

Vivo Mobiles

M1804D2SG, M1804D2SI

Vivo Y400

2018, July 02

2025, August 07

GSM / CDMA / HSPA / LTE

GSM / HSPA / LTE / 5G

GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 ,CDMA 800 & TD-SCDMA - China

GSM 850 / 900 / 1800 / 1900

HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - Global ,HSDPA 850 / 900 / 1900 / 2100 - China

HSDPA 800 / 850 / 900 / 2100

1, 2, 3, 4, 5, 7, 8, 20, 38, 40 - Global ,1, 3, 5, 7, 8, 34, 38, 39, 40, 41 - China

1, 3, 4, 5, 8, 18, 19, 26, 28, 38, 40, 41, 42, 48

HSPA 42.2/5.76 Mbps, LTE-A (3CA) Cat12 600/150 Mbps

HSPA, LTE, 5G

1, 3, 5, 8, 28, 40, 77, 78 SA/NSA

158.7 x 75.4 x 7.3 mm (6.25 x 2.97 x 0.29 in)

162.3 x 75.3 x 7.9 mm (6.39 x 2.96 x 0.31 in)

166 g (5.86 oz)

197 g (6.95 oz)

Glass front, aluminum back, aluminum 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

Dual SIM (Nano-SIM, dual stand-by)

Nano-SIM + Nano-SIM

Black, Gold, Blue, Red, Rose Gold

Glam White, Olive Green

LTPS IPS LCD

AMOLED, 120Hz, 1200 nits (HBM), 1800 nits (peak)

5.99 inches, 92.6 cm2 (~77.4% screen-to-body ratio)

6.67 inches, 107.4 cm2 (~87.9% screen-to-body ratio)

1080 x 2160 pixels, 18:9 ratio (~403 ppi density)

1080 x 2400 pixels, 20:9 ratio (~395 ppi density)

Android 8.1 (Oreo), upgradable to Android 9.0 (Pie), Android One

Android 15, Funtouch 15

Qualcomm SDM660 Snapdragon 660 (14 nm)

Qualcomm SM4450 Snapdragon 4 Gen 2 (4 nm)

Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)

Octa-core (2x2.2 GHz Cortex-A78 & 6x1.95 GHz Cortex-A55)

Adreno 512

Adreno 613

4GB

8GB

32GB/64GB, eMMC 5.1

128GB/256GB UFS 3.1

No

12 MP, f/1.8, 1/2.9", 1.25µm

50 MP, f/1.8, (wide), 1/2.96", PDAF

20 MP, f/1.8, 1/2.8", 1.0µm, PDAF

2 MP, f/2.4, (depth)

Dual-LED flash, HDR, panorama

Ring-LED flash, panorama, HDR

4K@30fps, 1080p@30fps (gyro-EIS), 720p@120fps

1080p@30fps

20 MP, f/2.2, (wide), 1/3", 0.9µm

32 MP, f/2.5, (wide)

LED flash, Auto-HDR

1080p@30fps

1080p@30fps

Non-removable Li-Po 3000 mAh battery

Li-Ion 6000 mAh

Fast charging 18W, Quick Charge 3

90W wired, 50% in 20 min Reverse wired Bypass Charging

Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass

Fingerprint (under display, optical), accelerometer, gyro, proximity, compass Circle to Search

Yes

Yes, with stereo speakers

No

No 24-bit/192kHz Hi-Res audio

Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot

Wi-Fi 802.11 a/b/g/n/ac, dual-band

5.0, A2DP, LE

5.0, A2DP, LE

A-GPS, GLONASS, BDSInfrared port,Yes

GPS, GLONASS, GALILEO, BDS, QZSS

Yes

Yes

2.0, Type-C 1.0 reversible connector

USB Type-C 2.0, OTG

AnTuTu: 130927 (v7), 172886 (v8) GeekBench: 4625 (v4.4), 1157 (v5.1) GFXBench: 8.6fps (ES 3.1 onscreen)

Voice 89dB / Noise 72dB / Ring 89dB

Endurance rating 73h