スマートフォン比較 · 5 min read · Sep 17, 2025
OnePlus 12R vs iQOO Neo 9 Pro: フラッグシップキラーの戦い
The OnePlus 12R and the iQOO Neo 9 Pro are the two contenders for the title of “flagship killer” in the smartphone world. Both have very similar specifications, such as the Snapdragon 8 Gen 2 and an impressive display, but differ greatly from each other in everyday testing. In this article, we will discuss which is the better smartphone that deserves the title of flagship killer. Let’s get started.

OnePlus 12R vs iQOO Neo 9 Pro: ビルドとデザイン
In terms of workmanship, the OnePlus 12R is a clear winner with its aluminum frame, Gorilla Glass Victus 2 on the front, and Gorilla Glass 5 on the back. The iQOO Neo 9 Pro is available in two variants: The better variant has a vegan leather back, and the other has Xchott Sensation Glass on the front and back, but both have a plastic frame.

The OnePlus 12R feels more premium overall and has a more solid build quality than the iQOO Neo 9 Pro. While the Neo 9 Pro is lighter, it is also flimsier, and the vegan leather back is not particularly high-quality, which leads to scratches and stains. However, we like the two-tone Fiery Red color of the iQOO Neo 9 Pro better than the Cool Blue color of the OnePlus 12R.
In terms of design, the OnePlus 12R feels better in the hand due to the curved front and back, but the Neo 9 Pro also feels comfortable, just less so. The Neo 9 Pro is lighter compared to the 12R, but the design is subjective and depends on the user. We prefer the 12R due to the higher quality design and build.
iQOO Neo 9 Pro vs OnePlus 12R: ディスプレイとオーディオ
When it comes to displays, it depends on whether you prefer curved or flat displays. We prefer the curved 120Hz LTPO AMOLED display of the OnePlus 12R to the flat 144Hz LTPO AMOLED display of the iQOO Neo 9 Pro. In terms of color reproduction, the display of the 12R is more accurate than that of the Neo 9 Pro. The OnePlus 12R also supports Dolby Vision and Atmos, while the Neo 9 Pro only supports HDR10+ playback.

The display of the iQOO Neo 9 Pro is brighter than that of the OnePlus 12R, which allows for better visibility in difficult lighting conditions, but the 12R is by no means bad. The curved shape of the 12R display makes the content look more vibrant than the flat Neo 9 Pro. Even the OnePlus 12R’s haptics have better feedback and are well implemented throughout the UI, resulting in a more premium experience, but the iQOO Neo 9 Pro is by no means bad.
Both smartphones have stereo speakers that are loud and deliver good sound quality, but the OnePlus 12R sounds slightly richer and has better bass response than the iQOO Neo 9 Pro. Neither device has a headphone jack.
OnePlus 12R vs iQOO Neo 9 Pro: パフォーマンスとソフトウェア
Both the OnePlus 12R and the iQOO Neo 9 Pro are equipped with the Snapdragon 8 Gen 2 processor. The only difference lies in the storage variants: The Neo 9 Pro comes with 256GB of UFS 4.0 storage, while the 12R comes with 128GB or 256GB of UFS 3.1 storage in the global variants. In terms of raw performance, both are equally matched in everyday use, but in demanding games, the iQOO Neo 9 Pro can maintain performance over longer periods of time thanks to the Supercomputing Q1 chip that is built in together with the 8 Gen 2.

Both phones get warm under stress, but that depends on usage and the processes running. However, if we look at the overall picture, the software of the OnePlus 12R is better optimized than that of the Neo 9 Pro. We’ve noticed hiccups and dropped frames in Funtouch OS on the iQOO Neo 9 Pro when changing wallpapers, applying a theme, etc., but there are no such issues with Oxygen OS on the OnePlus 12R. However, the network and WiFi speeds seem to be more stable on the iQOO Neo 9 Pro.
The day-to-day user experience is as smooth as can be on the OnePlus 12R, as Oxygen OS is well optimized compared to the bloatware-packed, outdated-looking software on the iQOO Neo 9 Pro. Oxygen OS 14 is like a breath of clean air, while Funtouch OS 14 is not as fun as it is claimed to be.
iQOO Neo 9 Pro vs OnePlus 12R: カメラとバッテリー
Both phones have a 50 MP primary camera and an 8 MP ultra-wide-angle camera. The OnePlus 12R has an additional 2 MP macro camera, but the front camera on both devices is 16 MP. Megapixels aside, the iQOO Neo 9 Pro delivers more consistent results, ensuring true-to-life colors and perfect exposure. In contrast, the OnePlus 12R tends to brighten most images if you don’t manually control the exposure. The Neo 9 Pro also has an advantage with the 2x portrait mode and the film frames that give the pictures a certain character.

In terms of video, both phones can shoot up to 4K 60FPS videos from the main camera. The iQOO Neo 9 Pro can also shoot 8K videos, but both phones are limited to 1080p videos on all of the other lenses. Overall, the videos are better on the OnePlus 12R with better stabilization and higher bitrate. Neo 9 Pro also shoots decent videos, but it’s not on the same level as the 12R.





As far as the battery is concerned, the OnePlus 12R has a huge 5500 mAh battery, while the iQOO Neo 9 Pro is equipped with a 5160 mAh battery. Both phones last more than 30 hours of normal use and offer 7 to 8 hours of screen time. Everyone uses their phone differently, so usage may vary.
In terms of charging, the Neo 9 Pro has a faster 120W charge that can charge the phone in less than 20 minutes and a charger that can also be used to charge other devices. The OnePlus 12R, on the other hand, is limited to 100W charging, which can charge the phone in less than 25 minutes, and comes with its own charger.
OnePlus 12R vs iQOO Neo 9 Pro: 結論
The design and build quality of the OnePlus 12R are better, and the software is also better. On the other hand, the iQOO Neo 9 Pro has amazing performance and very good cameras. Both are similar in terms of battery life and have very fast charging speeds.
We opt for the OnePlus 12R because of its better design, better build quality, and better software. However, if you prefer better raw performance and slightly better cameras, the iQOO Neo 9 Pro offers both and costs less. Let us know your choice in the comments below.
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