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The OnePlus 15 marks a dramatic 180-degree turn for the brand, shedding nearly all its previously defining features: curved displays, the circular camera module, and even its prestigious partnership with Hasselblad.
This new iteration, bearing a resemblance to its cousin the Find X9 Pro, adopts a more angular design aimed at gaming and peak performance.
To achieve this, it boasts an impressive spec sheet: a “Tri-Chip” architecture powered by the Snapdragon 8 Elite Gen 5, the market’s first 1.5K 165 Hz display, and a 7300 mAh battery.
On paper, the OnePlus 15 is a beast. But does this radical focus on sheer power come at the cost of making sacrifices?
OnePlus 15Video Review
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OnePlus 15Technical Specifications
| Model | OnePlus 15 |
|---|---|
| Dimensions | 76.7 mm x 161.4 mm x 8.1 mm |
| Manufacturer Interface | OxygenOS |
| Screen Size | 6.78 inches |
| Resolution | 2772 x 1272 pixels |
| Pixel Density | 450 ppi |
| Technology | AMOLED |
| SoC | Qualcomm Snapdragon 8 Elite Gen 5 |
| Graphics Chip | Adreno 840 |
| Internal Storage | 256, 512 GB |
| Rear Camera |
Sensor 1: 50 Sensor 2: 50 Sensor 3: 50 MP |
| Front Camera | 32 MP |
| Video Recording Definition | 8K@30fps |
| Wi-fi | Wi-Fi 7 |
| Bluetooth | 6.0 |
| 5G | Yes |
| NFC | Yes |
| Fingerprint Sensor | Under the screen |
| Connector Type | USB Type-C |
| Battery Capacity | 7300 mAh |
| Weight | 211 g |
| Colors | Black, Violet, Beige |
| Product Sheet |
OnePlus 15Design
Like the Find X9 Pro before it, the OnePlus 15 undergoes a major aesthetic shift, trading its usual curves for a more angular form factor and swapping its central circular camera module for a square one positioned on the left. The design may be divisive, but it undeniably comes with high-quality craftsmanship, despite some ergonomic regressions.
The move from a curved screen to a completely flat 6.78-inch panel is a pragmatic choice. For starters, this format is better suited for gaming as it eliminates the display area lost in the curves. Fortunately, the OnePlus 15 is decidedly focused on performance. Additionally, this makes applying screen protectors easier despite the presence of Corning Gorilla Glass Victus 2 (and a factory-applied flexible film). Also, the cost of replacing the panel in case of damage is lower compared to a curved one.
Moreover, OnePlus has optimized the immersion offered by its display, featuring extremely thin 1.15 mm bezels, made uniform on all four sides thanks to LIPO (Low Injection Pressure Over-molding) technology, which eliminates the traditionally thicker bottom border.
Three color options are available, each using distinct materials:
- Infinite Black: This version, weighing 215 g and 8.2 mm thick, uses a matte-finished glass back to resist fingerprints.
- Ultra Violet: With the same dimensions, it incorporates a dual-layer optical coating whose reflections vary from violet to sapphire depending on the light.
- Sand Storm: Lighter (211 g) and slightly thinner (8.1 mm), this finish is distinguished by a rear panel made of fiberglass composite and a frame treated with micro-arc oxidation (MAO), announced as 1.3 times more resistant than titanium.
Personally, I tested the black model and must admit that its matte back is very pleasant to the touch. Admittedly, the transition to a design with straight edges shows its ergonomic limits. The large screen size makes this format difficult to handle, making one miss the comfort of the curved design of previous generations.
In return, the chassis boasts maximum durability with IP66, IP68, IP69, and IP69K certifications. It can withstand immersion up to 2 meters for 30 minutes and high-pressure jets up to 80°C.
Fun fact, the matte black back has a slate effect, and you can use it as a notepad by writing on it with a fingernail, for example. Under a transparent case, it can hold your shopping list, for example. Redundant with apps, but amusing. And of course, this was not intended by OnePlus.
Further up on the back, you’ll find the new camera module. Square with rounded corners, it lacks its own identity, resembling those of the competition. Moreover, it marks the return of the device’s imbalance when placed flat. However, the 45° alignment of the lenses is appreciated. Surgical.
A major break is notable: the disappearance of the Alert Slider, replaced by a programmable button, which will disappoint regular users but also brings more versatility.
OnePlus 15Display
The OnePlus 15 slightly reduces its diagonal to 6.78 inches. A negligible loss of 0.04 inches… But alongside that, it completely changes its identity.
It introduces the first LTPO 1.5K 165 Hz display in the mobile market. A notable achievement that unlocks a new level for mobile gamers, with the OnePlus 13 capped at 120 Hz. And the refresh rate is truly the priority of this smartphone since the resolution has also been revised downwards, from QHD to Full HD+ (1272 x 2772 pixels). Competitive gamers won’t complain since this boosts the frame rate. Plus, the battery life can only benefit from this lower resolution.
Similarly, OnePlus adds a 3200 Hz touch sampling rate, where its competitors are at best at 2400 Hz. This translates to almost imperceptible latency in-game.
Our Measurements
As usual, we subjected the OnePlus 15’s display to our in-house test, armed with our probe and Portrait Displays’ CalMAN Ultimate software.
First observation, there’s only a very slight improvement in maximum brightness. Whether in SDR or HDR, we’re still between 1150 and 1200 nits, not 1800 nits as OnePlus claims. We observed the same thing on the Find X9 Pro from Oppo, a close cousin of the OnePlus 15. Surprising because the rest of the high-end market climbs much higher. Here, you might occasionally lack brightness outdoors (under the sun).
| OnePlus 15 | |
| Average DeltaE (SDR) | 2.63 |
| Temperature | 1150 nits |
| Max Brightness (SDR) | 6649K |
| sRGB | 149 % |
| DCI-P3 | 100 % |
| Average DeltaE (HDR) | 5.98 |
| Max Brightness (HDR) | 1215 nits |
It’s a shame, because the rest of the performance is beautifully executed. Among the three color modes offered, the Vivid mode is the most accurate. It provides an average DeltaE of 2.63 in SDR and 5.98 in HDR.
It’s better than the OnePlus 13 and especially, it falls below the reference bars. The OnePlus 15 has accurate and natural colorimetry, which is a good point. The same goes for the color temperature, neither too warm nor too cold, we have a rather accurate white point. And the color spaces are well covered. It would have been a masterclass if the brightness had been pushed further.
OnePlus 15Performance
Every year, manufacturers promise us ever more powerful smartphones. But let’s be honest, most end up slowing down after 10 minutes of gaming like the recent Find X9 Pro from Oppo.
With the OnePlus 15, the promise is not only kept, but it is exceeded. Let’s be frank: it’s a monster. During our tests, the device ranked as the second most powerful smartphone we’ve ever had. Ahead of it? The Redmagic 11 Pro, a 100% gaming smartphone that’s less versatile and especially suffers from significant throttling. Because raw power is good, but constant power is much better. And that’s where the OnePlus 15 hits very hard.
The Magic Recipe: A “Tri-Chip” Architecture
To achieve this result, OnePlus didn’t do things by halves. Gone is the simple addition of the latest fashionable SoC. The manufacturer has designed what it calls an “advanced triple-chip architecture” (OP Performance Tri-Chip).
The brain of the operation? The brand new Snapdragon 8 Elite Gen 5 platform.
To support this beast, OnePlus threw into the pot the fastest RAM currently available (LPDDR5X Ultra+ at 10,667 Mbps in 16 GB). But power isn’t everything. The “Tri-Chip” also includes a dedicated chip for touch response as mentioned earlier.
A dedicated Wi-Fi G2 chip and an in-house CPU manager (the OnePlus CPU Scheduler) complete this arsenal to ensure stable connectivity and optimal resource allocation, according to OnePlus.
In Game: 165 Hz? Easy, and Without Ever Slowing Down
All this technological arsenal is nice on paper, but what’s it like in hand?
In benchmarks, it’s a monster. With its Oryon core reaching 4.6 GHz and its Adreno 840 GPU, both graphical and computational performances make a giant leap.
Based on our results, we see respectively +21% GPU performance and +17% CPU performance.
During our intensive sessions on compatible games like Call of Duty Mobile or Real Racing 3, the frame rate counter stayed locked at 165 fps. And that’s even after an hour of non-stop gaming. Note: There’s a little trick involved. You have to dive into OnePlus’s “Game Center” to manually activate the “hyper frame rate” option to enjoy it.
The phone also offers a “pro gamer mode” and “Hyper HDR” to dazzle the eyes (at the expense of the battery, of course).
The Real Miracle: Cooling That Holds Up
And beyond its raw power, the real feat of the OnePlus 15 is its ability to maintain it. Throttling is almost non-existent.
The 360° Cryo-Velocity system isn’t just marketing. It combines a 5,731 mm² vapor chamber with a major innovation: an Aerogel Screen Cooler.
The result is immediate: the SoC’s heat does not spread to the screen. Heat dispersion on the chassis is excellent. Translation? You never burn your fingers
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Maya Singh is a senior editor covering tablets and hybrid devices. Her work explores how these tools reshape digital productivity and learning. She also contributes to feature editorials on emerging tech.