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Realme 15x 5g vs Vivo X100 Ultra

Should you buy Realme 15x 5G or vivo X100 Ultra? Find out which mobile phone is best for you - compare the two models on the basis of price ...and key specs like performance, price, camera, display, ram, storage, battery capacity, operating system, Network Connectivity, Multimedia and more.

Specifications	Realme 15x 5G	vivo X100 Ultra
Price	22999.0	0.0
Camera	50MP + 5MP And 50MP	50 MP + 50 MP + 200 MP And 50 MP
Operating System	Android 15 with Realme UI 6.0	Android v14

Realme 15x 5g

₹22,999

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Vivo X100 Ultra

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Audio

Audio Jack
-	USB Type-C
Stereo Speakers
Yes	Yes

Battery

Capacity
7000 mAh	5500 mAh
Quick Charging
60W SuperVOOC	Yes, 80W Flash Charging
USB Type-C
Yes	Yes
Wireless Charging
-	Yes, 30W Wireless Charging

Camera

Autofocus
-	Yes
Flash
-	Yes, LED Flash
Front Camera
50MP	50 MP
Image Resolution
-	8150 x 6150 Pixels
Optical Image Stabilisation
-	Yes
Rear Camera
50MP + 5MP	50 MP + 50 MP + 200 MP
Shooting Modes
-	Continuous Shooting High Dynamic Range mode (HDR) SuperMoon
Video Recording
-	7680x4320 @ 30 fps 3840x2160 @ 60 fps

Design

Ruggedness
-	Dust proof
Water Resistance
IP69 dust and water resistance	Yes, Water resistant, IP68, IP69, (up to 30 minutes in a depth of 1.5 meter)
Weight
-	229 grams

Dimensions

Dimensions
-	164.07 mm x 75.57 mm x 9.23 mm
Height
-	164.07 mm
Thickness
-	9.23 mm
Width
-	75.57 mm

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Display

Aspect Ratio
-	20:9
Bezel-less display
-	Yes with punch-hole display
Brightness
1200 nits	3000 nits
Display Type
-	AMOLED
HDR / Ultra HDR
-	Yes
Pixel Density
-	518 ppi
Refresh Rate
144Hz	120 Hz
Resolution
720x1570 pixels	1440x3200 px (QHD+)
Screen Size
6.8-inch	6.78 inches (17.22 cm)
Screen to Body Ratio (claimed by the brand)
-	89.51 %

General

Brand
Realme	Vivo
Custom UI
-	Origin OS
Launch Date
October 1, 2025	-
Model
15x 5G	X100 Ultra
Operating System
Android 15 with Realme UI 6.0	Android v14

Network & Connectivity

Bluetooth
v5.3	Yes, v5.4
GPS
-	Yes with A-GPS, Glonass
Network Support
4G/5G	5G, 4G
SIM 1
-	5G bands FDD N1 / N2 / N3 / N5 / N7 / N8 / N12 / N20 / N25 / N26 / N28 TDD N38 / N40 / N41 / N66 / N77 / N78 / N79 4G bands TD-LTE 2300(band 40) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 17) / 850(band 18) / 850(band 19) / 800(band 20) / 1900(band 25) / 850(band 26)
SIM 2
-	5G bands FDD N1 / N2 / N3 / N5 / N7 / N8 / N12 / N20 / N25 / N26 / N28 TDD N38 / N40 / N41 / N66 / N77 / N78 / N79 4G bands TD-LTE 2300(band 40) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 13) / 700(band 17) / 850(band 18) / 850(band 19) / 800(band 20) / 1900(band 25) / 850(band 26)
SIM Size
-	SIM1: Nano, SIM2: Nano
SIM Slot(s)
-	Dual SIM
VoLTE
-	Yes
Wi-Fi
-	Yes, Wi-Fi 7 (802.11 a/b/g/n/ac/be/ax) 5GHz 6GHz, MIMO