Vivo X300 Ultra vs OnePlus 15

Direct side-by-side battle analyzing display brightness, chipset benchmark percentiles, multi-camera arrays, battery capacity, and charging speeds.

Smartphone Battle

Comparing 2 devicesSwipe across ⇄

· 2026

Vivo X300 Ultra

$1992

92.2/ 100

Overall

Exceptional

BeastScore

92.2

Benchmark

Performance95/100

Camera100/100

Battery100/100

· 2025

OnePlus 15

$899

92.9/ 100

Overall

Exceptional

BeastScore

92.9

Benchmark

Performance95/100

Camera91/100

Battery100/100

Which Phone Should You Buy: Key Reasons & Hardware Advantages

Swipe across ⇄

Reasons to buy Vivo X300 Ultra:

✓200MP primary camera sensor with 4K/120fps video recording
✓6.82" display with 120Hz ProMotion refresh rate

Reasons to buy OnePlus 15:

✓24g lighter chassis (211g) optimized for one-handed ergonomics
✓$1093 lower launch MSRP ($899 vs $1992)
✓Larger 7,300 mAh battery capacity (+700 mAh more capacity)

How Do the Specifications Compare Side-by-Side?

Swipe across ⇄

Specification	Vivo X300 Ultra	OnePlus 15
1. Display & Screen
Screen Type & Tech	LTPO AMOLED	LTPO AMOLED
Screen Size	6.82"	6.78"
Resolution & Density	3168x1440 (510 ppi)	2772x1272 (450 ppi)
Refresh Rate	120 Hz ProMotion	165 Hz ProMotion
Brightness	4,500 nits peak	1,800 nits peak
Screen Protection	Scratch-resistant glass	Scratch-resistant glass
2. Platform & Performance
Chipset / Processor	High performance SoC	High performance SoC
CPU Cores	Multi-core high performance	Multi-core high performance
GPU Graphics	Integrated Graphics	Integrated Graphics
Operating System	Android 16	Android 16
3. Memory & Storage
RAM Memory	16 GB	16 GB
Internal Storage	256GB / 512GB / 1024GB	256GB / 512GB / 1024GB
Storage Speed	High-speed flash	High-speed flash
Card Slot	No	No
4. Main Camera Optics
Primary Camera	200 MP, f/1.6, OIS, Sony LYT-901	50 MP, f/1.8, OIS, Sony LYT-808
Telephoto Zoom	200 MP (3.7x optical zoom), f/2.5, OIS	50 MP (3.5x optical zoom), f/2.6, OIS
Ultrawide Camera	50 MP, f/2	50 MP, f/2
LiDAR / Depth	None	None
5. Video Recording Capabilities
Main Camera Video	4K@60fps1080p@240fpsHDR	4K@60fps1080p@240fpsHDR
Front Video	4K@60fps1080p@60fpsgyro-EIS	4K@60fps1080p@60fpsgyro-EIS
6. Selfie Camera
Selfie Lens	50 MP, f/2	32 MP, f/2.4
7. Body & Dimensions
Dimensions	163.4 x 76.8 x 9 mm	161.4 x 76.7 x 8.1 mm
Weight	235 g	211 g
Build Materials	Glass front, metal/glass frame	Glass front, metal/glass frame
SIM Type	Nano-SIM / eSIM support	Nano-SIM / eSIM support
Water Resistance	IP69	IP68/IP69K
8. Battery & Charging
Battery Capacity	6,600 mAh	7,300 mAh
Wired Fast Charging	100W wired fast charging	120W wired fast charging
Wireless Charging	40W wireless charging	50W wireless charging
Reverse Charging	Reverse wireless charging	Reverse wireless charging
9. Sound & Audio
Loudspeaker	Stereo speakers	Stereo speakers
3.5mm Headphone Jack	No	No
10. Connectivity & Comms
Wi-Fi Standard	Wi-Fi 7	Wi-Fi 7
Bluetooth	6.0	5.4
USB Port & Speed	USB-C 3.2	USB-C 3.2
NFC	Yes (contactless payment)	Yes (contactless payment)
11. Sensors & Security
Sensors	Biometric fingerprint/face, accelerometer, gyro, compass	Biometric fingerprint/face, accelerometer, gyro, compass
Satellite Features	Emergency SOS via satellite (select markets)	Emergency SOS via satellite (select markets)
12. Colors & Overview
Colors	Standard finishes	Standard finishes
Launch Price	$1992	$899

Editorial Lab Verdict

OnePlus 15 edges ahead with a BeastScore of 92.9/100

After comprehensive hardware benchmark comparisons, OnePlus 15 ranks as the overall top pick in this matchup. Key differentiators include its advanced processor architecture and verified 91/100 camera rating.

When to buy Vivo X300 Ultra:

Higher resolution main sensor: 200 MP vs max 50 MP · Brighter screen: 4,500 nits peak vs 1,800 nits

When to buy OnePlus 15:

Higher overall BeastScore: 92.9 vs top rival 92.2 · Larger battery capacity: 7,300 mAh (+700 mAh more)

Quick Answers

Frequently Asked Questions: Vivo X300 Ultra vs OnePlus 15

Which phone is better: Vivo X300 Ultra or OnePlus 15?

OnePlus 15 leads with an overall BeastScore of 92.9/100 compared to Vivo X300 Ultra (92.2/100), driven by advantages in Higher overall BeastScore: 92.9 vs top rival 92.2 and Larger battery capacity: 7,300 mAh (+700 mAh more).