Oppo Find X9 VS Vivo iQOO 15

Both the Oppo Find X9 and Vivo iQOO 15 are waterproof, with the former having an IP69 rating and the latter an IP68 rating. While both are resistant to water, the Oppo device has a higher rating, offering more protection. Both smartphones can handle water depths of up to 1.5 meters.

In terms of size, the Oppo Find X9 is slightly smaller and lighter than the Vivo iQOO 15. The Oppo weighs 203 g, has a width of 73.9 mm, a height of 157 mm, and a thickness of 8 mm. The Vivo iQOO 15, on the other hand, weighs 220 g, is wider at 76.8 mm, taller at 163.7 mm, and slightly thicker at 8.1 mm. The Vivo device also has a larger volume, at 101.83 cm³ compared to the Oppo's 92.82 cm³.

Neither device features a rugged build or the ability to fold, and both have similar waterproof depth ratings of 1.5 meters, ensuring a comparable level of water protection.

Both the Oppo Find X9 and Vivo iQOO 15 feature OLED/AMOLED displays, offering vibrant colors and deep blacks. The Oppo device has a 6.59″ screen with a pixel density of 460 ppi, while the Vivo iQOO 15 offers a larger 6.85″ display with a higher pixel density of 508 ppi. In terms of resolution, the Oppo features 1256 x 2760 px, whereas the Vivo boasts a higher resolution of 1440 x 3168 px, providing more detail on the larger screen.

When it comes to refresh rate, the Oppo supports 120Hz, while the Vivo offers a smoother 144Hz refresh rate, making it potentially more responsive for gaming and fast scrolling. The Vivo iQOO 15 also significantly outshines the Oppo in terms of brightness, with a typical brightness of 2600 nits compared to the Oppo’s 800 nits, making the Vivo’s display much brighter under direct sunlight.

The Oppo Find X9 includes branded damage-resistant glass, while the Vivo iQOO 15 lacks this feature. Both phones support HDR10 and HDR10+ for enhanced color and contrast, and feature Always-On Display for quick notifications. However, the Oppo device supports Dolby Vision for superior high dynamic range content, a feature absent from the Vivo. Neither phone has a secondary screen, and both have touchscreens.

Both the Oppo Find X9 and Vivo iQOO 15 are equipped with 1024GB of internal storage and 16GB of RAM, ensuring ample space for apps and smooth multitasking. The Oppo is powered by the MediaTek Dimensity 9500 chipset with a GPU clocked at 1750 MHz, while the Vivo uses the Qualcomm Snapdragon 8 Elite Gen 5 chipset, with a slightly lower GPU clock speed of 1200 MHz. Both phones support integrated LTE and 64-bit architecture, and are built on a 3 nm semiconductor size.

In terms of CPU performance, the Oppo features a more complex configuration with 1 core running at 4.21 GHz, 3 cores at 3.5 GHz, and 4 cores at 2.7 GHz, while the Vivo has a more balanced setup with 2 cores at 4.6 GHz and 6 cores at 3.62 GHz. Despite this difference, both devices offer 8 CPU threads and utilize big.LITTLE technology, which efficiently manages power consumption. The Oppo also has a higher Geekbench 6 multi-core score of 12189, compared to the Vivo's 10059, and a single-core score of 3781 versus the Vivo's 3234.

Both smartphones offer similar performance in terms of maximum memory bandwidth (85.3 GB/s for the Oppo and 85.1 GB/s for the Vivo), support for multithreading, and DDR5 RAM. The Oppo has a larger L3 cache of 16 MB, while the Vivo has an 8 MB L3 cache. Additionally, the Oppo has more shading units (128 vs. Vivo's 1536), but it is unclear how this directly impacts real-world performance.

Both the Oppo Find X9 and Vivo iQOO 15 feature triple 50 MP main cameras with a 3x optical zoom. The main camera systems on both devices include phase-detection autofocus for photos, continuous autofocus for video, and support for slow-motion video recording. However, the aperture sizes vary slightly, with the Oppo having wider apertures of 1.6f, 2.6f, and 2f compared to the Vivo’s 1.9f, 2.7f, and 2.1f, which may influence light intake and depth of field.

Both phones have 32 MP front cameras, but the Oppo has a slightly wider aperture of 2.4f for its front camera, while the Vivo’s front camera has an aperture of 2.2f. The Oppo also supports HDR10 video recording, a feature absent from the Vivo iQOO 15, but neither device supports Dolby Vision recording. Both smartphones allow users to shoot raw photos and have manual controls for exposure, ISO, white balance, and shutter speed, although the Vivo lacks manual shutter speed control.

In terms of autofocus, the Oppo includes laser autofocus for its main camera, a feature not found on the Vivo. Both phones support in-camera panorama creation and have flash and front-facing LEDs, though the Vivo lacks a front-facing LED flash. Neither device features a dual-lens or multi-lens front camera, 360° panorama shooting, or 3D photo/video capabilities.

Both the Oppo Find X9 and Vivo iQOO 15 run Android 16 and share many privacy and customization features, including clipboard warnings, location privacy options, camera/microphone privacy options, and theme customization. Both also allow blocking app tracking, have on-device machine learning, notification permissions, media pickers, and support dark mode. Neither device provides Mail Privacy Protection or Wi-Fi password sharing.

For additional customization, both phones allow dynamic theming, app offloading, and customizable notifications. They also support Live Text, full-page screenshots, split screen, PiP (Picture-in-Picture), and share intents. Features such as child locks, widgets, offline voice recognition, and voice commands are available on both devices, and both track the current position of the device. Additionally, both smartphones support a multi-user system and are free and open source.

However, the Oppo Find X9 has an extra dim mode, which the Vivo lacks, and neither device offers Quick Start or direct OS updates. Focus modes and the ability to be used as a PC are not present on either phone.

The Oppo Find X9 and Vivo iQOO 15 both feature large batteries, with the Oppo offering a 7025 mAh battery and the Vivo providing a slightly smaller 7000 mAh battery. Both devices support wireless charging, but the Oppo charges wirelessly at a faster speed of 50W compared to the Vivo’s 40W. In contrast, the Vivo iQOO 15 supports faster wired charging, with a charging speed of 100W, while the Oppo has a charging speed of 80W.

Both phones include reverse wireless charging, though the Vivo iQOO 15 lacks this feature. Neither phone has a removable battery, but both include a battery level indicator and have rechargeable batteries.

In summary, while the Oppo Find X9 offers faster wireless charging and reverse wireless charging, the Vivo iQOO 15 excels in wired charging speed with its 100W capability.

Both the Oppo Find X9 and Vivo iQOO 15 do not feature a 3.5 mm audio jack. Both smartphones come with stereo speakers and support aptX, ensuring high-quality wireless audio streaming. The Oppo Find X9 does not support LDAC, aptX HD, aptX Adaptive, or aptX Lossless, while the Vivo iQOO 15 adds support for aptX HD and aptX Adaptive, providing additional flexibility for high-resolution audio streaming.

Neither device includes a radio, so users will need to rely on streaming services for audio entertainment.

In summary, both devices offer similar core audio features, but the Vivo iQOO 15 has a slight advantage with its support for aptX HD and aptX Adaptive, enhancing its wireless audio performance compared to the Oppo Find X9.

Both the Oppo Find X9 and Vivo iQOO 15 support 5G connectivity and are equipped with dual SIM card slots. They both support Wi-Fi versions 4, 5, 6, and 7, and feature Bluetooth version 6, USB Type-C, and NFC. The Oppo device offers a download speed of 10700 MBits/s, slightly faster than the Vivo's 10000 MBits/s. Both phones are equipped with fingerprint scanners, GPS, a compass, and an accelerometer. They also support Galileo for satellite navigation and have an infrared sensor.

Neither device offers an external memory slot, barometer, or HDMI output. Both devices lack emergency SOS via satellite, crash detection, and DLNA certification. They share several sensors, including a gyroscope, but the Vivo iQOO 15 additionally includes a barometer, a feature not present on the Oppo Find X9.

Neither phone supports 3D facial recognition, iris scanning, or comes with a stylus, and neither includes a built-in projector or motion/optical tracking. Both phones also support ANT+ for fitness and IoT device connectivity, though neither has a heart rate monitor.

Both the Oppo Find X9 and Vivo iQOO 15 come with a video light, but neither features sapphire glass displays, curved displays, or e-paper displays. These specifications are identical across both devices.

In summary, the Oppo Find X9 and Vivo iQOO 15 have the same set of features in this category, with both offering a video light but lacking premium display technologies like sapphire glass or a curved display.