OnePlus 15 vs Vivo X300 Ultra

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

Smartphone Battle

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· 2025

OnePlus 15

$899

92.9/ 100

Overall

Exceptional

BeastScore

92.9

Benchmark

Performance95/100

Camera91/100

Battery100/100

· 2026

Vivo X300 Ultra

$1992

92.2/ 100

Overall

Exceptional

BeastScore

92.2

Benchmark

Performance95/100

Camera100/100

Battery100/100

Which Phone Should You Buy: Key Reasons & Hardware Advantages

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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)

Reasons to buy Vivo X300 Ultra:

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

How Do the Specifications Compare Side-by-Side?

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Specification	OnePlus 15	Vivo X300 Ultra
1. Display & Screen
Screen Type & Tech	LTPO AMOLED	LTPO AMOLED
Screen Size	6.78"	6.82"
Resolution & Density	2772x1272 (450 ppi)	3168x1440 (510 ppi)
Refresh Rate	165 Hz ProMotion	120 Hz ProMotion
Brightness	1,800 nits peak	4,500 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	50 MP, f/1.8, OIS, Sony LYT-808	200 MP, f/1.6, OIS, Sony LYT-901
Telephoto Zoom	50 MP (3.5x optical zoom), f/2.6, OIS	200 MP (3.7x optical zoom), f/2.5, 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	32 MP, f/2.4	50 MP, f/2
7. Body & Dimensions
Dimensions	161.4 x 76.7 x 8.1 mm	163.4 x 76.8 x 9 mm
Weight	211 g	235 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	IP68/IP69K	IP69
8. Battery & Charging
Battery Capacity	7,300 mAh	6,600 mAh
Wired Fast Charging	120W wired fast charging	100W wired fast charging
Wireless Charging	50W wireless charging	40W 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	5.4	6.0
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	$899	$1992

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 OnePlus 15:

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

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

Quick Answers

Frequently Asked Questions: OnePlus 15 vs Vivo X300 Ultra

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

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).