Xiaomi Poco M8x vs Vivo Y78 Plus
Product
.webp)
Price
220 USD
220 USD
Status
Available
Available
Brand
Xiaomi Mobiles
Vivo Mobiles
Model No
Xiaomi Poco M8x
V2271A
Launch Date
2026, August 21
2023, April 26
Technology
GSM / HSPA / LTE / 5G
GSM / CDMA / HSPA / CDMA2000 / LTE / 5G
2G bands
GSM 850 / 900 / 1800 / 1900
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
CDMA 800
3G bands
HSDPA 850 / 900 / 2100
HSDPA 850 / 900 / 2100
CDMA2000 1x
4G bands
1, 3, 5, 8, 28, 40, 41
1, 3, 5, 8, 28, 34, 38, 39, 40, 41
5G bands
1, 3, 5, 8, 28, 40, 78 SA/NSA
1, 5, 8, 28, 41, 77, 78 SA/NSA
Speed
HSPA, LTE, 5G
HSPA, LTE-A, 5G
Dimensions
170.1 x 78.4 x 8.8 mm (6.70 x 3.09 x 0.35 in)
164.3 x 74.8 x 7.9 mm (6.47 x 2.94 x 0.31 in)
Weight
232 g (8.18 oz)
177 g (6.24 oz)
Build
Glass front (Gorilla Glass 7i), plastic back or silicone polymer (eco leather), plastic frame
Glass front, plastic frame, plastic back
SIM
Nano-SIM + Nano-SIM
Dual SIM (Nano-SIM, dual stand-by)
Colors
IP64 dust tight and water resistant (water splashes)
Black, Blue, Gold
Type
IPS LCD, 120Hz
AMOLED, 120Hz, 1300 nits (peak)
Size
6.9 inches, 114.9 cm2 (~86.2% screen-to-body ratio)
6.78 inches, 111.0 cm2 (~90.3% screen-to-body ratio)
Resolution
720 x 1600 pixels, 20:9 ratio (~254 ppi density)
1080 x 2400 pixels, 20:9 ratio (~388 ppi density)
OS
Android 16, up to 4 major OS updates
Android 13, OriginOS 3
Chipset
Qualcomm Snapdragon 4 Gen 5 (4 nm)
Qualcomm SM6375 Snapdragon 695 5G (6 nm)
CPU
Octa-core (2x2.4 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55)
Octa-core (2x2.2 GHz Kryo 660 Gold & 6x1.7 GHz Kryo 660 Silver)
GPU
Adreno
Adreno 619
RAM
4GB/6GB
8GB/12GB
Storage
128GB
128GB/256GB
Card Slot
microSDXC
Lens 1
50 MP, f/1.8, 28mm (wide), 1/2.76", 0.64µm, PDAF
50 MP, f/1.8, (wide), PDAF, OIS
Lens 2
Auxiliary lens
2 MP, f/2.4, (depth)
Features
LED flash, HDR
LED flash, HDR, panorama
Video
1080p@30fps
1080p@30fps
Lens 1
8 MP, f/2.0, (wide), 1/4.0", 1.12µm
8 MP, f/2.0, (wide)
Features
HDR
Video
1080p@30fps
1080p@30fps
Capacity
6000 mAh
Li-Po 5000 mAh, non-removable
Charging
33W wired, PD
Reverse wired
44W wired
Sensors
Fingerprint (side-mounted), accelerometer, compass
Virtual proximity sensing
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Loudspeaker
Yes
Yes
3.5mm jack
Yes
Yes
WLAN
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
5.4, A2DP, LE
5.1, A2DP, LE, aptX HD, aptX Adaptive
GPS
GPS, GLONASS, GALILEO, BDS
GPS (L1), GLONASS (G1), BDS (B1I+B1c), GALILEO (E1), QZSS (L1)
Radio
FM radio
No
USB
USB Type-C 2.0, OTG
USB Type-C 2.0, OTG
NFC
No