realme X2 Pro vs vivo S1 Pro Specs Comparison

Design

Dimensions
6.34 x 2.98 x 0.34 inches 161 x 75.7 x 8.7 mm	6.27 x 2.96 x 0.34 inches 159.25 x 75.19 x 8.68 mm
Weight
7.02 oz (199.0 g)	6.59 oz (186.7 g)
Materials
Back: Glass (Corning Gorilla Glass 5) Frame: Aluminum
Biometrics
Optical in-screen fingerprint	Optical in-screen fingerprint
Keys
Left: Volume control; Right: Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Neptune blue, Lunar white	Fancy sky, Knight black, Nebula blue

Display

Size
6.5-inch	6.4-inch
Resolution
2400x1080px, 20:9 ratio, 405 PPI	2340x1080px, 19.5:9 ratio, 404 PPI
Technology
Super AMOLED	Super AMOLED
Refresh rate
90Hz
Screen-to-body
83.69 %	83.45 %
Peak brightness
1000 cd/m2 (nit)
Features
HDR support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor	Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 855+ SM8150-AC (7 nm)	Qualcomm Snapdragon 665 SM6125 (11 nm)
Processor
Octa-core Kryo 485	Octa-core 2000 MHz Kryo 260
GPU
Adreno 640	Adreno 610
RAM
6GB (LPDDR4)	8GB
Internal storage
64GB	128GB
Storage expansion
not expandable	microSDXC up to 256 GB
OS
Android (9.0 Pie), ColorOS UI	Android (9.0 Pie)

Battery

Capacity
4000 mAh	4500 mAh
Type
Li - Polymer
Charging
OPPO VOOC	Fast charging
Charge speed
Wired: 50.0W

Camera

Rear
Quad camera	Quad camera
Main camera
64 MP (PDAF) Aperture size: F1.8 Focal length: 26 mm Sensor size: 1/1.7" Pixel size: 0.8 μm	48 MP (PDAF) Aperture size: F1.8 Sensor size: 1/2" Pixel size: 0.8 μm
Second camera
8 MP (Ultra-wide, PDAF) Aperture size: F2.4 Focal Length: 16 mm Sensor size: 1/3.2" Pixel size: 1.4 μm	8 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 13 mm Sensor size: 1/4" Pixel size: 1.12 μm
Third camera
13 MP (Telephoto, PDAF) Optical zoom: 2.0x Aperture size: F2.5 Focal Length: 52 mm Sensor size: 1/3.4" Pixel size: 1 μm	2 MP (Macro) Aperture size: F2.4 Sensor size: 1/5" Pixel size: 1.75 μm
Fourth camera
2 MP (Depth information) Aperture size: F2.4 Sensor size: 1/5" Pixel size: 1.75 μm	2 MP (Depth information) Aperture size: F2.4
Flash
Dual LED	LED
Video recording
3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (960 fps) EIS	1920x1080 (Full HD) (30 fps)
Front
16 MP (EIS), Video capture: 1920x1080 (Full HD)	32 MP (HDR), Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
5.0	5.0
WLAN
802.11 a,b,g,n,ac,dual-band MIMO, Wi-Fi Direct, Hotspot	802.11 a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot
USB
Type-C	Type-C, USB 2.0
Location
GPS, A-GPS, Galileo, BeiDou, Dual-band positioning, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass	Accelerometer, Gyroscope, Compass
Other
NFC

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Multiple speakers	Earpiece, Loudspeaker
Features
Dolby Atmos
Screen mirroring
	Wireless screen share
Radio
	FM
Additional microphone(s)
	Noise cancellation

Cellular

4G (FDD)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 26(850+), 28(700 APT)	Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900)
4G (TDD)
Bands 34(2000), 38(2600), 39(1900+), 40(2300), 41(2600+)	Bands 38(2600), 40(2300), 41(2600+)
3G
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 6(800), 8(900)	Bands 5(850), 8(900), 1(2100)
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes	Yes
SIM type
Nano SIM	Nano SIM

Buyers information

In The Box
Type-C cable, Flash charge adapter, Phone protection case, SIM card needle, Quick start guide, Warranty card	Earphone, Documentation, USB Cable, USB Power Adapter, SIM Ejector, Protective Case, Protective Film (applied)

Alternative variants

with 128 GB storage

RAM	8GB
Internal storage	128GB

with 256 GB storage

RAM	12GB
Internal storage	256GB

Links

Full specifications
realme X2 Pro Specs	vivo S1 Pro Specs