OnePlus 15
Vivo X300 Pro

OnePlus 15 Vivo X300 Pro

Common Features

  • Both products are waterproof with an IP69 rating.
  • Both products have a display size of 6.78 inches.
  • Both products have an OLED/AMOLED display type.
  • Both products support HDR10 and HDR10+.
  • Both products support Dolby Vision.
  • Both products have Always-On Display.
  • Both products have 1024GB of internal storage.
  • Both products have 16GB of RAM.
  • Both products have integrated LTE.
  • Both products use a 3 nm semiconductor size.
  • Both products support 64-bit architecture.
  • Both products use big.LITTLE technology.
  • Both products have 8 CPU threads.
  • Both products feature a dual-lens main camera.
  • Both products have built-in optical image stabilization.
  • Both products support video recording at 4320 x 30 fps on the main camera.
  • Both products have stereo speakers.
  • Both products have Bluetooth version 6.
  • Both products have USB Type-C with version 3.2.
  • Both products have NFC.

Main Differences

  • The weight of the OnePlus 15 is 215 g and the Vivo X300 Pro is 226 g.
  • The thickness of the OnePlus 15 is 8.1 mm and the Vivo X300 Pro is 8 mm.
  • The width of the OnePlus 15 is 76.7 mm and the Vivo X300 Pro is 75.5 mm.
  • The height of the OnePlus 15 is 161.4 mm and the Vivo X300 Pro is 161.2 mm.
  • The volume of the OnePlus 15 is 100.27 cm³ and the Vivo X300 Pro is 97.36 cm³.
  • The pixel density of the OnePlus 15 is 450 ppi and the Vivo X300 Pro is 452 ppi.
  • The resolution of the OnePlus 15 is 1272 x 2772 px and the Vivo X300 Pro is 1260 x 2800 px.
  • The refresh rate of the OnePlus 15 is 165Hz and the Vivo X300 Pro is 120Hz.
  • The touch sampling rate of the OnePlus 15 is 330Hz and the Vivo X300 Pro is 300Hz.
  • The AnTuTu benchmark score of the OnePlus 15 is 3434000 and the Vivo X300 Pro is 3015900.
  • The chipset of the OnePlus 15 is Qualcomm Snapdragon 8 Elite Gen 5 and the Vivo X300 Pro is MediaTek Dimensity 9500.
  • The GPU of the OnePlus 15 is Adreno 830 and the Vivo X300 Pro is Mali G1 Ultra MP12.
  • The CPU speed of the OnePlus 15 is 2 x 4.6 & 6 x 3.62 GHz and the Vivo X300 Pro is 1 x 4.21 & 3 x 3.5 & 4 x 2.7 GHz.
  • The Geekbench 6 multi-core result of the OnePlus 15 is 11199 and the Vivo X300 Pro is 12189.
  • The Geekbench 6 single-core result of the OnePlus 15 is 3726 and the Vivo X300 Pro is 3781.
  • The GPU clock speed of the OnePlus 15 is 1200 MHz and the Vivo X300 Pro is 1750 MHz.
  • The RAM speed of the OnePlus 15 is 5300 MHz and the Vivo X300 Pro is 5333 MHz.
  • The L3 cache of the OnePlus 15 is 8 MB and the Vivo X300 Pro is 16 MB.
  • The main camera megapixels of the OnePlus 15 are 50 & 50 & 50 MP and the Vivo X300 Pro is 200 & 50 & 50 MP.
  • The wide aperture of the main camera on the OnePlus 15 is 1.8 & 2 & 2.8f and the Vivo X300 Pro is 2.7 & 1.6 & 2f.
  • The front camera megapixels of the OnePlus 15 is 32 MP and the Vivo X300 Pro is 50 MP.
  • The optical zoom of the OnePlus 15 is 3.5x and the Vivo X300 Pro is 3.7x.
  • The wide aperture of the front camera on the OnePlus 15 is 2.4f and the Vivo X300 Pro is 2f.
  • HDR10 recording support is available on the OnePlus 15 but not on the Vivo X300 Pro.
  • Dolby Vision recording support is available on the OnePlus 15 but not on the Vivo X300 Pro.
  • The battery power of the OnePlus 15 is 7300 mAh and the Vivo X300 Pro is 6510 mAh.
  • The charging speed of the OnePlus 15 is 120W and the Vivo X300 Pro is 90W.
  • The wireless charging speed of the OnePlus 15 is 50W and the Vivo X300 Pro is 40W.
  • The OnePlus 15 does not have aptX support, while the Vivo X300 Pro does.
  • The OnePlus 15 has aptX Adaptive support but the Vivo X300 Pro does not.
  • The download speed of the OnePlus 15 is 10000 MBits/s and the Vivo X300 Pro is 10700 MBits/s.
  • The OnePlus 15 does not have emergency SOS via satellite, but the Vivo X300 Pro does.
  • The OnePlus 15 has a barometer, but the Vivo X300 Pro does not.
Specs Comparison
OnePlus 15

OnePlus 15

Vivo X300 Pro

Vivo X300 Pro

Design:
water resistance Waterproof Waterproof
weight 215 g 226 g
thickness 8.1 mm 8 mm
width 76.7 mm 75.5 mm
height 161.4 mm 161.2 mm
volume 100.272978 cm³ 97.3648 cm³
Ingress Protection (IP) rating IP69 IP69
waterproof depth rating 1.5 m 1.5 m
has a rugged build
can be folded

Both the OnePlus 15 and Vivo X300 Pro feature a waterproof design with an IP69 Ingress Protection rating, ensuring they are resistant to water and dust. They also have the same waterproof depth rating of 1.5 meters.

When it comes to size and weight, the OnePlus 15 is slightly lighter at 215 g compared to the Vivo X300 Pro's 226 g. The thickness of both phones is nearly identical, with the OnePlus 15 at 8.1 mm and the Vivo X300 Pro at 8 mm, making them very similar in this regard. The width of the OnePlus 15 is 76.7 mm, slightly wider than the Vivo X300 Pro's 75.5 mm. In terms of height, the OnePlus 15 measures 161.4 mm, while the Vivo X300 Pro is just a bit shorter at 161.2 mm. This results in a very marginal size difference between the two devices.

As for the overall volume, the OnePlus 15 has a slightly larger volume of 100.27 cm³, compared to the Vivo X300 Pro's 97.36 cm³. Neither phone has a rugged build, and neither is capable of folding, as indicated by the specs provided.

Display:
Display type OLED/AMOLED OLED/AMOLED
screen size 6.78" 6.78"
pixel density 450 ppi 452 ppi
resolution 1272 x 2772 px 1260 x 2800 px
refresh rate 165Hz 120Hz
touch sampling rate 330Hz 300Hz
has branded damage-resistant glass
supports HDR10
supports HDR10+
Always-On Display
supports Dolby Vision
Has a secondary screen
has a touch screen

Both the OnePlus 15 and Vivo X300 Pro feature OLED/AMOLED displays, offering vibrant colors and deep contrasts. They also share the same screen size of 6.78″, making their displays similarly sized. The OnePlus 15 has a slightly lower pixel density of 450 ppi compared to the Vivo X300 Pro's 452 ppi, though this difference is minimal and likely imperceptible to most users.

The resolution of the OnePlus 15 is 1272 x 2772 px, while the Vivo X300 Pro has a resolution of 1260 x 2800 px. The difference in resolution is slight, but the Vivo X300 Pro's slightly higher pixel count in the vertical direction may result in a marginally sharper display in certain scenarios.

In terms of refresh rate, the OnePlus 15 offers a smoother experience with 165Hz, whereas the Vivo X300 Pro is limited to 120Hz. The touch sampling rate also differs, with the OnePlus 15 having a higher 330Hz compared to the Vivo X300 Pro's 300Hz. Both phones include a range of features such as branded damage-resistant glass, HDR10 and HDR10+ support, Dolby Vision, and Always-On Display. Neither device has a secondary screen, and both are equipped with a touch screen.

Performance:
internal storage 1024GB 1024GB
RAM 16GB 16GB
AnTuTu benchmark score 3434000 3015900
Chipset (SoC) name Qualcomm Snapdragon 8 Elite Gen 5 MediaTek Dimensity 9500
GPU name Adreno 830 Mali G1 Ultra MP12
CPU speed 2 x 4.6 & 6 x 3.62 GHz 1 x 4.21 & 3 x 3.5 & 4 x 2.7 GHz
Geekbench 6 result (multi) 11199 12189
Geekbench 6 result (single) 3726 3781
GPU clock speed 1200 MHz 1750 MHz
Has integrated LTE
RAM speed 5300 MHz 5333 MHz
semiconductor size 3 nm 3 nm
Supports 64-bit
Has integrated graphics
Uses big.LITTLE technology
CPU threads 8 threads 8 threads
Uses HMP
maximum memory bandwidth 85.1 GB/s 85.3 GB/s
OpenCL version 3 3
maximum memory amount 24GB 24GB
uses multithreading
DDR memory version 5 5
shading units 1536 128
L3 cache 8 MB 16 MB

Both the OnePlus 15 and Vivo X300 Pro come with 1024GB of internal storage and 16GB of RAM, providing ample space and memory for demanding tasks. The OnePlus 15 is powered by the Qualcomm Snapdragon 8 Elite Gen 5 chipset, while the Vivo X300 Pro uses the MediaTek Dimensity 9500 chipset. The two phones have different GPU names as well: the OnePlus 15 features the Adreno 830, whereas the Vivo X300 Pro is equipped with the Mali G1 Ultra MP12.

The OnePlus 15's CPU has a configuration of 2 x 4.6 GHz and 6 x 3.62 GHz, while the Vivo X300 Pro’s CPU is made up of 1 x 4.21 GHz, 3 x 3.5 GHz, and 4 x 2.7 GHz. Despite this difference in clock speeds, both phones utilize big.LITTLE technology, have 8 CPU threads, and support multithreading. The OnePlus 15's GPU operates at a clock speed of 1200 MHz, while the Vivo X300 Pro's GPU runs at a faster 1750 MHz.

In benchmark results, the OnePlus 15 achieves an AnTuTu score of 3434000, whereas the Vivo X300 Pro scores 3015900. However, the Vivo X300 Pro scores slightly higher in Geekbench 6's multi-core test (12189 vs. 11199) and single-core test (3781 vs. 3726). Both devices have a maximum memory bandwidth of around 85 GB/s, with the OnePlus 15 at 85.1 GB/s and the Vivo X300 Pro at 85.3 GB/s. The L3 cache on the OnePlus 15 is 8 MB, while the Vivo X300 Pro has a larger 16 MB cache. Both phones use DDR5 memory, and both are capable of handling up to 24GB of RAM.

Cameras:
megapixels (main camera) 50 & 50 & 50 MP 200 & 50 & 50 MP
wide aperture (main camera) 1.8 & 2 & 2.8f 2.7 & 1.6 & 2f
Has a dual-lens (or multi-lens) main camera
megapixels (front camera) 32MP 50MP
has built-in optical image stabilization
video recording (main camera) 4320 x 30 fps 4320 x 30 fps
Has a dual-tone LED flash
number of flash LEDs 2 2
has a BSI sensor
has a CMOS sensor
has continuous autofocus when recording movies
Has phase-detection autofocus for photos
supports slow-motion video recording
has a built-in HDR mode
has manual exposure
has a flash
optical zoom 3.5x 3.7x
has manual ISO
has a serial shot mode
has manual focus
has a front camera
Has laser autofocus
Shoots 360° panorama
has manual white balance
shoots raw
has touch autofocus
has manual shutter speed
can create panoramas in-camera
wide aperture (front camera) 2.4f 2f
Has timelapse function
minimum focal length 16 mm 15 mm
maximum focal length 85 mm 85 mm
Has a front-facing LED flash
has a dual-lens (or multi-lens) front camera
supports HDR10 recording
supports Dolby Vision recording
has a front-facing camera under the display
Has a RGB LED flash
has 3D photo/video recording capabilities

The OnePlus 15 and Vivo X300 Pro both feature multi-lens main cameras, with the OnePlus 15 using a 50 MP + 50 MP + 50 MP setup, while the Vivo X300 Pro has a higher resolution 200 MP + 50 MP + 50 MP configuration. Both phones share similar features such as optical image stabilization, phase-detection autofocus, and the ability to shoot 4320 x 30 fps video. The OnePlus 15 has an optical zoom of 3.5x, while the Vivo X300 Pro offers a slightly higher 3.7x optical zoom.

For the front cameras, the OnePlus 15 has a 32 MP front camera with a wide aperture of f/2.4, while the Vivo X300 Pro boasts a 50 MP front camera with a wider f/2 aperture. Both phones have manual focus, support slow-motion video recording, and are capable of shooting raw photos. The OnePlus 15 features HDR10 and Dolby Vision recording support, while the Vivo X300 Pro does not support HDR10 or Dolby Vision recording.

Both phones are equipped with laser autofocus, manual exposure, and timelapse functionality. The OnePlus 15 has a minimum focal length of 16 mm and a maximum of 85 mm, while the Vivo X300 Pro has a slightly shorter minimum focal length of 15 mm but the same maximum focal length of 85 mm. Neither phone has a front-facing LED flash, and both lack dual-lens front cameras or 3D photo/video recording capabilities. Additionally, both phones can create panoramas in-camera, but neither supports 360° panorama shooting.

Operating system:
Android version Android 16 Android 16
has clipboard warnings
has location privacy options
has camera/microphone privacy options
has Mail Privacy Protection
has theme customization
can block app tracking
blocks cross-site tracking
has on-device machine learning
has notification permissions
has media picker
Can play games while they download
has dark mode
has Wi-Fi password sharing
has battery health check
has an extra dim mode
has focus modes
has dynamic theming
can offload apps
Has customizable notifications
has Live Text
has full-page screenshots
supports split screen
gets direct OS updates
has PiP
Can be used as a PC
Has sharing intents
has a child lock
Supports widgets
Is free and open source
Has offline voice recognition
has voice commands
Tracks the current position of a mobile device
is a multi-user system
has Quick Start

Both the OnePlus 15 and Vivo X300 Pro run on Android 16 and share a comprehensive set of privacy and customization features. These include clipboard warnings, location privacy options, camera/microphone privacy options, theme customization, and the ability to block app tracking. Neither phone supports Wi-Fi password sharing or Mail Privacy Protection. Both devices support on-device machine learning, notification permissions, media picker, and the ability to play games while they download.

In terms of additional features, both phones support dark mode, have battery health check, extra dim mode, and dynamic theming. They also include features like customizable notifications, Live Text, full-page screenshots, split screen, and picture-in-picture (PiP) mode. Neither phone offers focus modes, Quick Start, or the ability to be used as a PC. Both phones support widgets and are free and open source.

When it comes to user interaction, both devices offer offline voice recognition, voice commands, and the ability to track the current position of the device. They are also multi-user systems, with the OnePlus 15 and Vivo X300 Pro both having child lock features. Neither device supports cross-site tracking blocking, and both phones provide sharing intents. Both phones have the same overall set of features with no notable differences between them in this group.

Battery:
battery power 7300 mAh 6510 mAh
has wireless charging
Supports fast charging
charging speed 120W 90W
wireless charging speed 50W 40W
has reverse wireless charging
comes with a charger
has a removable battery
has a battery level indicator
has a rechargeable battery

The OnePlus 15 and Vivo X300 Pro both feature wireless charging, reverse wireless charging, and come with a charger included. The OnePlus 15 has a larger battery with a capacity of 7300 mAh, compared to the Vivo X300 Pro's 6510 mAh. Both phones support fast charging, but the OnePlus 15 offers faster charging speeds, with a 120W charging rate, while the Vivo X300 Pro supports up to 90W. The wireless charging speed is also higher on the OnePlus 15 at 50W, versus the Vivo X300 Pro's 40W.

Both phones have non-removable rechargeable batteries, a battery level indicator, and provide similar battery-related features. The Vivo X300 Pro and OnePlus 15 both support reverse wireless charging, but neither device offers a removable battery. Both phones come with a charger included, ensuring users have the necessary accessories to power their devices right away.

Overall, the OnePlus 15 has a larger battery and faster charging capabilities compared to the Vivo X300 Pro, though both devices share many of the same key features related to battery functionality.

Audio:
has a socket for a 3.5 mm audio jack
has stereo speakers
has aptX
has LDAC
has aptX HD
has aptX Adaptive
has aptX Lossless
Has a radio

Both the OnePlus 15 and Vivo X300 Pro feature stereo speakers, providing an enhanced audio experience without the need for external speakers. Neither device has a 3.5 mm audio jack, which means users will need to rely on wireless or USB audio options.

When it comes to Bluetooth audio support, both phones include aptX HD, which delivers high-quality audio streaming, but there are differences in additional codecs. The OnePlus 15 supports aptX Adaptive and has aptX Lossless, while the Vivo X300 Pro supports aptX but lacks aptX Adaptive and aptX Lossless.

Neither phone has LDAC support or an FM radio, so users won’t be able to listen to radio broadcasts directly through the device. Overall, while both phones share similar audio features, the OnePlus 15 offers a slightly more advanced Bluetooth audio setup with aptX Adaptive and aptX Lossless support.

Connectivity & Features:
release date October 2025 October 2025
has 5G support
Wi-Fi version Wi-Fi 4 (802.11n), Wi-Fi 6 (802.11ax), Wi-Fi 5 (802.11ac), Wi-Fi 7 (802.11be) Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 7 (802.11be)
SIM cards 2 SIM 2 SIM
Bluetooth version 6 6
has an external memory slot
Has USB Type-C
USB version 3.2 3.2
has NFC
download speed 10000 MBits/s 10700 MBits/s
Has a fingerprint scanner
has emergency SOS via satellite
has crash detection
is DLNA-certified
has a gyroscope
supports ANT+
Has a heart rate monitor
has GPS
has a compass
supports Wi-Fi
Has an infrared sensor
has an accelerometer
has a cellular module
Has a barometer
has an HDMI output
Uses 3D facial recognition
Has an iris scanner
Stylus included
supports Galileo
Has motion tracking
Has optical tracking
Has a built-in projector

Both the OnePlus 15 and Vivo X300 Pro support 5G connectivity, offer dual SIM card slots, and feature similar Wi-Fi capabilities, supporting Wi-Fi 4, Wi-Fi 5, Wi-Fi 6, and Wi-Fi 7. Both phones have Bluetooth version 6 and USB Type-C with USB 3.2. Additionally, both devices come with NFC, a fingerprint scanner, GPS, a compass, an accelerometer, and an infrared sensor. Neither phone has an external memory slot or supports ANT+ or a heart rate monitor.

The OnePlus 15 and Vivo X300 Pro share download speeds that are very close, with the OnePlus 15 supporting up to 10,000 MBit/s and the Vivo X300 Pro slightly ahead at 10,700 MBit/s. Both phones include Galileo support for location tracking, but only the Vivo X300 Pro offers emergency SOS via satellite, a feature the OnePlus 15 lacks. Neither phone has a barometer, HDMI output, 3D facial recognition, an iris scanner, motion tracking, optical tracking, or a built-in projector.

In terms of extra features, the OnePlus 15 stands out with its support for a barometer and more precise satellite tracking capabilities, while the Vivo X300 Pro lacks this feature. Both phones, however, provide a solid set of connectivity and feature support for various sensors and services that enhance the user experience.

Miscellaneous:
has a video light
Has sapphire glass display
Has a curved display
Has an e-paper display

Both the OnePlus 15 and Vivo X300 Pro come equipped with a video light, which can be useful for improving video quality in low-light conditions. Neither phone features sapphire glass, a curved display, or an e-paper display. These aspects are identical between the two devices.

In terms of display technology, both phones share the same specifications, without any differences in these areas. The lack of sapphire glass and curved or e-paper displays means that both phones focus on standard display features and functionality.

Overall, the OnePlus 15 and Vivo X300 Pro are quite similar in the miscellaneous features category, offering the same video light functionality and not incorporating additional display technologies like sapphire glass or curves.

Comparison Summary

This is a specification comparison between the OnePlus 15 and Vivo X300 Pro. Both devices feature a 6.78″ OLED/AMOLED display with HDR10 and Dolby Vision support, and both offer 16GB RAM and 1024GB internal storage. However, the OnePlus 15 has a larger battery with a power of 7300 mAh and faster charging at 120W, while the Vivo X300 Pro has a 6510 mAh battery with 90W charging. The Vivo X300 Pro also supports aptX, a feature not available on the OnePlus 15, and offers a slightly higher download speed at 10700 MBits/s compared to the OnePlus 15's 10000 MBits/s.