Realme X3 vs vivo X Note

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900; CDMA 800, 1900
3G network

HSDPA 850, 900, 2100

HSDPA 800, 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1x
4G network

LTE frequency band 1, 3, 5, 8, 38, 39, 40, 41

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 32, 34, 38, 39, 40, 41, 42, 48, 66
5G network

-

5G band 1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 40, 41, 66, 77, 78, 79 SA/NSA
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE-A

LTE-A, 1174 Mbps download, 210 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Glass front (Gorilla Glass 5), glass back, plastic frame

Aluminium alloy, glass
SIM

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

Nano-SIM
Height

163.8 mm

168.8 mm
Width

75.8 mm

80.3 mm
Thickness

8.9 mm

8.4 mm
Weight

202 g

216/221 g
Waterproof

-

IP68 (1.5m for 30 mins)
Dust proof

-

IP68
Colors

Blue, White

Black, Blue, Gray

Main camera
Camera type

Quad

Quad
Main camera

64 MP, f/1.8 , 26 mm, 1/1.72" , 0.8 µm

50 MP, f/1.6 , 1/1.31" , 1.2 µm, (wide)
12 MP, f/2.5 , 51 mm, 2x optical zoom

8 MP, f/3.4 , 125 mm, 5x optical zoom , (periscope telephoto)
8 MP, f/2.3 , 16 mm, 1/4.0" , 1.12 µm

12 MP, f/2.0 , 47 mm, 1/2.93" , 1.2 µm, (telephoto) , 2x optical zoom
2 MP, f/2.4

48 MP, f/2.2 , (ultrawide) , 114˚ , 14 mm, 1/2.0" , 0.8 µm
Primary camera resolution

8000 x 6000 pixels

8192 x 6144 pixels
Primary camera video

4K@30/60fps, 1080p@30/60fps, 720p@960fps; gyro-EIS

8K@30fps, 4K@30/60fps, 1080p@30/60fps, gyro-EIS
Primary camera optics

-

Zeiss optics
Primary camera flash

LED flash

dual-LED flash
Camera features

Autofocus, continuous shooting, digital zoom, optical 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

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

Selfie camera
Selfie camera type

Dual

Single
Selfie camera

16 MP, f/2.0 , 26 mm, 1/3.06" , 1.0 µm

16 MP, f/2.5 , 1/3.1" , 1.0 µm, (wide)
8 MP, f/2.2 , 1/4.0" , 1.12 µm
Selfie camera resolution

4640 x 3456 pixels

4608 x 3456 pixels
Selfie camera features

-

Digital image stabilization, face detection, face unlock, HDR
Selfie camera video

1080p@30fps, gyro-EIS

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, 802.11ax
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
Wi-Fi display

Yes

-
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 1.0 reversible connector

Type-C 2.0
USB On-The-Go

-

Yes
Bluetooth

v5.0

v5.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

-

aptX HD
Infrared

-

Yes
NFC

-

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes
QZSS

Yes

Yes
NavIC

-

Yes

Features
Sensors

Accelerometer, compass, fingerprint, gyroscope, proximity

Accelerometer, barometer, compass, fingerprint, gyroscope, proximity

Battery
Battery type

Li-Po

Li-Po
Battery capacity

4200 mAh

5000 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

SuperVOOC Flash Charge (100% in 55 min)

Yes, 80W (100% in 32 min)
Wireless reverse charging

-

Yes, 10W
Fast wireless charging

-

Yes, 50W
Talk time 4G

-

13.4 h