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Oppo F31 vs Vivo X100 Ultra

Should you buy OPPO F31 or vivo X100 Ultra? Find out which mobile phone is best for you - compare the two models on the basis of price and k...ey specs like performance, price, camera, display, ram, storage, battery capacity, operating system, Network Connectivity, Multimedia and more.

Specifications	OPPO F31	vivo X100 Ultra
Price	26999.0	0.0
Operating System	Android 15	Android v14
Camera	50M P+ 2GB + 2GB And 16GB	50 MP + 50 MP + 200 MP And 50 MP

Oppo F31

₹26,999

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Vivo X100 Ultra

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Audio

Audio Jack
3.5 mm	USB Type-C
Stereo Speakers
-	Yes

Battery

Capacity
7000 mAh	5500 mAh
Quick Charging
80W SUPERVOOC fast charging	Yes, 80W Flash Charging
USB Type-C
Yes	Yes
Wireless Charging
-	Yes, 30W Wireless Charging

Camera

Autofocus
-	Yes
Flash
-	Yes, LED Flash
Front Camera
16GB	50 MP
Image Resolution
-	8150 x 6150 Pixels
Optical Image Stabilisation
-	Yes
Rear Camera
50M P+ 2GB + 2GB	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

Build Material
Aerospace-grade aluminum alloy	-
Colours
Midnight Blue, Cloud Green, Bloom Red	-
Ruggedness
-	Dust proof
Water Resistance
IP68/IP69 rating	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
-	3000 nits
Display Type
2D curved AMOLED	AMOLED
HDR / Ultra HDR
-	Yes
Pixel Density
-	518 ppi
Refresh Rate
120Hz	120 Hz
Resolution
1080 x 2412 pixels	1440x3200 px (QHD+)
Screen Size
6.57-inch	6.78 inches (17.22 cm)
Screen to Body Ratio (claimed by the brand)
-	89.51 %

General

Brand
OPPO	Vivo
Custom UI
ColorOS 15	Origin OS
Launch Date
September 15, 2025	-
Model
F31	X100 Ultra
Operating System
Android 15	Android v14

Network & Connectivity

Bluetooth
5.3	Yes, v5.4
GPS
-	Yes with A-GPS, Glonass
Network Support
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	Dual SIM
VoLTE
-	Yes
Wi-Fi
Wi-Fi 6	Yes, Wi-Fi 7 (802.11 a/b/g/n/ac/be/ax) 5GHz 6GHz, MIMO

Performance

Graphics
-	Adreno 750
Processor
MediaTek Dimensity 7050 (6nm, octa-core)	Qualcomm Snapdragon 8 Gen 3
Processor Fabrication
6 nm	-
RAM
6GB/8GB	12 GB
RAM Type
-	LPDDR5X