OnePlus 12 Review: Flagship Killer Returns?
The smartphone market has felt stagnant for years, dominated by iterative updates from Apple and Samsung that often cost well over $1,000. The OnePlus 12 arrives as a refreshing jolt to the system. By packing the latest Snapdragon 8 Gen 3 processor and a massive battery into a device that significantly undercuts the Samsung Galaxy S24 Ultra in price, OnePlus is making a strong case that the “Flagship Killer” identity is back.
Performance: The Snapdragon 8 Gen 3 Advantage
The heart of the OnePlus 12 is the Qualcomm Snapdragon 8 Gen 3 chipset. This is the same engine driving the most expensive Android phones on the market, including the Galaxy S24 series. However, OnePlus pairs this with up to 16GB of LPDDR5X RAM (and even a 24GB option in some regions), making multitasking incredibly fluid.
In practical terms, this phone flies. Apps open instantly, and gaming performance is top-tier. Testing with demanding titles like Genshin Impact or Call of Duty: Mobile reveals that the OnePlus 12 maintains high frame rates without overheating. This is largely thanks to the “Dual Cryo-velocity VC” cooling system. It is a massive vapor chamber designed to dissipate heat more efficiently than previous models. If you are a power user who keeps dozens of apps open, this hardware configuration handles the load without stuttering.
Battery Life and Charging: Leaving Competitors Behind
The snippet highlighted the battery, and for good reason. The OnePlus 12 houses a 5,400 mAh battery. For context, the Samsung Galaxy S24 Ultra and the Pixel 8 Pro both use smaller 5,000 mAh cells. That extra 400 mAh makes a tangible difference in daily usage.
Real-World Endurance
Most users will easily get through a full day of heavy use with 20% to 30% battery left in the tank. With moderate use, stretching into a second day without a charger is entirely possible. Screen-on time consistently hits the 7 to 8-hour mark, which is among the best in the flagship category.
The Return of Wireless Charging
OnePlus corrected a major mistake from the OnePlus 11 by bringing back wireless charging. But they didn’t just add standard speeds. The OnePlus 12 supports 50W AirVOOC wireless charging, which can fill the battery faster than most competitors can charge via a cable.
For wired charging, the phone supports 80W SuperVOOC in the United States (100W internationally). This translates to a 1% to 100% charge in roughly 30 minutes. You can plug your phone in while you take a shower and come out to a fully charged device. This changes your relationship with battery anxiety entirely.
Display: Brightness Wars
The screen on the OnePlus 12 is stunning. It features a 6.82-inch LTPO 4.0 AMOLED display with a 120Hz refresh rate. The headline feature here is the brightness. OnePlus claims a peak brightness of 4,500 nits. While you will only see this extreme number in very specific HDR scenarios, the high brightness mode (HBM) of 1,600 nits ensures the screen is perfectly readable even under direct, harsh sunlight.
A unique addition is the “Aqua Touch” technology. This allows the screen to recognize touches accurately even when the display or your fingers are wet. It solves the frustration of trying to use your phone in the rain or right after washing your hands.
Camera System: The Hasselblad Partnership Matures
Historically, cameras were the weak point for OnePlus. That gap has narrowed significantly. The OnePlus 12 uses a triple-camera setup:
- Main: 50MP Sony LYT-808 sensor
- Telephoto: 64MP Periscope with 3x optical zoom
- Ultrawide: 48MP sensor with a 114-degree field of view
The collaboration with Hasselblad continues to provide excellent color calibration. Photos look natural rather than oversaturated. The standout upgrade is the 64MP periscope zoom. It offers a crisp 3x optical zoom and a very usable 6x in-sensor crop. While the Galaxy S24 Ultra still holds the crown for extreme zoom (10x and beyond), the OnePlus 12 competes toe-to-toe in the 1x to 6x range that most people actually use.
Design and Build Quality
The design is an evolution of the OnePlus 11, featuring a circular camera module inspired by luxury watches. It is available in Silky Black and a unique Flowy Emerald that features a marble-like pattern.
There is one compromise to note regarding durability. The OnePlus 12 has an IP65 rating, meaning it can handle jets of water and rain, but it is not rated for full submersion like the IP68 rating found on the iPhone 15 or Galaxy S24.
Verdict: Is it a Galaxy S24 Competitor?
The OnePlus 12 starts around $799. The Samsung Galaxy S24 Ultra starts at $1,299.
When you look at the math, the OnePlus 12 offers 95% of the features for roughly 60% of the price. You get the same processor, a bigger battery, faster charging, and a comparable display. You lose out on the S-Pen, some AI features, and the extreme zoom camera. For the vast majority of users, the OnePlus 12 is not just a competitor; it is the smarter financial choice.
Frequently Asked Questions
Does the OnePlus 12 come with a charger in the box? Yes. Unlike Samsung and Apple, OnePlus includes the fast charging brick and the signature red USB-C cable in the box.
How many years of software updates will the OnePlus 12 get? OnePlus has committed to 4 years of major Android OS updates and 5 years of security patches for the OnePlus 12.
Does the OnePlus 12 support eSIM? Yes, the OnePlus 12 supports eSIM functionality, allowing you to use dual SIMs without needing two physical cards.
Is the screen flat or curved? The OnePlus 12 features a curved display. While this looks premium, some users may find it harder to install screen protectors compared to flat screens.