Xiaomi Poco X4 Pro 5G vs vivo Y51a

Xiaomi Poco X4 Pro 5G

vivo Y51a

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 800, 850, 900, 1700(AWS), 1900, 2100

HSDPA 850, 900, 2100
4G network

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 38, 40, 41

LTE frequency band 1, 3, 5, 8, 40
5G network

5G band 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78

-
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
EV-DO speed

-

EV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload
LTE speed

LTE-A (CA)

LTE-A, 603 Mbps download, 151 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Plastic, aluminium alloy

Plastic
SIM

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

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

164.2 mm

163.9 mm
Width

76.1 mm

75.3 mm
Thickness

8.1 mm

8.4 mm
Weight

205 g

188 g
Splash resistant

IP53

-
Dust proof

IP53

-
Colors

Black, Blue, Poco Yellow

Crystal Symphony, Titanium Sapphire

Display
Display type

AMOLED

IPS LCD
Physical size

6.67 inches

6.58 inches
Resolution

1080 x 2400 pixels

1080 x 2408 pixels
Pixel density

395 ppi

401 ppi
Display colors

16777216

16777216
Protection

Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 5

-
Display features

120Hz, 700 nits, 1200 nits (peak)

-

Hardware
CPU

Octa-core

Octa-core
CPU

Dual-core 2.2 GHz Kryo 660 Gold

Quad-core 2.0 GHz Kryo 260 Gold
CPU(second)

Hexa-core 1.7 GHz Kryo 660 Silver

quad-core 1.8 GHz Kryo 260 Silver
Chipset

Qualcomm SM6375 Snapdragon 695 5G

Qualcomm SM6115 Snapdragon 662
GPU

Adreno 619

Adreno 610
Memory RAM

6, 8 GB

8 GB
Internal storage

128, 256 GB

128 GB
Memory card

microSD, microSDHC, microSDXC

microSD, microSDHC, microSDXC
Memory card max

-

1 TB
Storage

UFS 2.2

-

Main camera
Camera type

Triple

Triple
Main camera

(wide) , 108 MP, f/1.9 , 26 mm, 1/1.52" , 0.7 µm

(wide) , 48 MP, f/1.8 , 1/2.0" , 0.8 µm
(ultrawide) , 8 MP, f/2.2 , 118˚

(ultrawide) , 8 MP, f/2.2 , 120˚ , 1/4.0" , 1.12 µm
(macro) , 2 MP, f/2.4

(macro) , 2 MP, f/2.4
Primary camera resolution

-

8000 x 6000 pixels
Primary camera video

1080p@30/60fps

4K@30fps, 1080p@30fps, gyro-EIS
Primary camera flash

LED flash

LED flash
Camera features

Autofocus, continuous shooting, digital zoom, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus

Autofocus, continuous shooting, digital zoom, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro-mode, phase detection autofocus

Selfie camera
Selfie camera type

Single

Single
Selfie camera

(wide) , 16 MP, f/2.5 , 1/3.06" , 0.6 µm

(wide) , 16 MP, f/2.0 , 1/3.06" , 1.0 µm
Selfie camera resolution

4608 x 3456 pixels

4640 x 3456 pixels
Selfie camera features

Face unlock, HDR

-
Selfie camera video

1080p@30fps

1080p@30fps

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 2.0

Type-C 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v5.1

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Infrared

Yes

-
NFC

Yes (market dependent)

No
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes

Features
Sensors

Accelerometer, compass, fingerprint, gyroscope, proximity

Accelerometer, compass, fingerprint, gyroscope, proximity

Battery
Battery type

Li-Po

Li-Po
Battery capacity

5000 mAh

5000 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

Quick Charge 3+, 67W (70% in 22 min, 100% in 41 min)

Quick Charge

Xiaomi Poco X4 Pro 5G comparisons