The new MediaTek Dimensity 9500 is officially announced! It’s the third-generation all-big-core CPU design with a 4.21GHz ultra core as the prime core, three premium cores, and four performance cores. The naming is a big deviation from what we had before, and it does take a bit of explanation. MediaTek claims that this big revamp will deliver up to 32% higher single-core and 17% higher multi-core performance compared to the previous generation, while the ultra core achieves up to 55% lower power consumption at peak performance.
The new Dimensity 9500 will have this list of specs:
- Octa-core processor
- 1x Arm C1-Ultra, 2MB L2 cache
- 3x Arm C1-Premium, 1MB L2 cache
- 4x Arm C1-Pro, 512KB L2 cache
- LPDDR5X RAM at 10,667MT/s
- Arm Mali-G1 Ultra MC12 GPU
- MediaTek NPU 990
- New ISP that supports:
- Up to 320MP sensor
- Capture videos up to:
- 8K60fps
- 4K120fps with EIS
- 4K60fps cinematic mode
MediaTek also claims 33% higher peak performance with 42% improved power efficiency, and also introduces features like frame rate interpolation of up to 120fps with ray-tracing and advanced rendering technologies in games made with Unreal Engine 5.6.

Okay, let’s take a step back and look at the CPU configuration – especially the core names. MediaTek uses Arm’s CSS, which serves as a “reference design”. Arm did a big revamp to their architecture design this year, hence the new names. We got a sneak peek of all these back at COMPUTEX 2025, by the way.
With this new architecture, Arm is forgoing the X-series prime cores and A-series cores in favor of the new C-series of cores. From what I can see, the number in the “C1” represents the generation, whereas the Ultra is the new name for the X-series cores, meanwhile the Premium, Pro, and Nano are the new names for Cortex-A7, Cortex-A5, and Cortex-A3 series of cores. Actually makes more sense with the new naming scheme.
Flagship smartphones powered by the MediaTek Dimensity 9500 are expected to be released in the fourth quarter of 2025 – which I can foresee the next generation vivo and OPPO flagships will be using.
I’m truly excited to see what MediaTek and Arm is cooking up for us.
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