Samsung’s working on something that could change how fast phones generate AI images. The Galaxy S26 is rumored to feature EdgeFusion, an on-device AI tool that creates 512×512 pixel images in less than a second, even without an internet connection. If the rumors hold up, it’d blow past the current wait times on most phones.
Most smartphones rely on cloud servers for AI image generation. You type a prompt, wait 10 or 15 seconds while a remote computer does the work, then finally get your result. EdgeFusion runs everything locally on the phone, killing that delay completely. You could be in airplane mode with zero signal and still generate images almost instantly.
Samsung partnered with South Korean AI company Nota AI to make this happen. They’ve heavily optimized Stable Diffusion, shrinking the model by up to 90% so it can run directly on the Exynos 2600 chip. That’s the processor expected to power the standard Galaxy S26 and S26+ in most regions.
The catch with Exynos
Here’s where it gets interesting. The Galaxy S26 Ultra will likely use Qualcomm’s Snapdragon 8 Elite Gen 5 worldwide, and that chip doesn’t have EdgeFusion optimization yet. So the cheaper models might actually beat the Ultra in this specific area.
Qualcomm’s done similar work before. At MWC 2023, they ran Stable Diffusion on a Snapdragon 8 Gen 2 phone and generated a 512×512 image in 15 seconds. By late 2023, they’d optimized it down to 0.6 seconds on the Snapdragon 8 Gen 3. EdgeFusion supposedly goes even faster.
The real question is whether the hardware can handle it without overheating or destroying battery life. On-device AI processing is incredibly power-hungry. Samsung’s betting the Exynos 2600’s new GPU and NPU can handle the workload efficiently, but we won’t know until people actually use the phones.
Integration matters too. If EdgeFusion lives in some buried settings menu or standalone app, nobody will use it. But if Samsung builds it into messaging, Notes, or photo editing, it could become genuinely useful instead of just a spec sheet bullet point.
Samsung’s been teasing AI improvements for the Galaxy S26 lineup for months. The company already confirmed next-gen AI and a second-generation custom processor during an earnings call last year. The Galaxy S26 launch is expected February 25, with phones hitting stores in early March.
Samsung hasn’t officially confirmed EdgeFusion yet, so treat this as a promising rumor rather than a done deal. But if it ships as described, near-instant offline AI image generation could be the most compelling upgrade this year.