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ARM Cortex-X1

TLDR: The ARM Cortex-X1 is a powerful microprocessor designed for high-performance devices like smartphones and tablets.

The ARM Cortex-X1 is a central processing unit (CPU) developed by ARM Holdings. It was launched in 2020 and is part of ARM's Cortex-X Custom (CXC) program. The Cortex-X1 is designed for maximum performance and is based on the ARM Cortex-A78 architecture.

In terms of performance, the Cortex-X1 can reach clock speeds of up to 3.0 GHz in phones and 3.3 GHz in tablets and laptops. It has a 40-bit address width and features a 128 KiB L1 cache and a 512-1024 KiB L2 cache per core. It also supports ARM's DynamIQ technology, which allows it to be used alongside other ARM cores for a balanced performance.

Compared to its predecessor, the Cortex-A77, the Cortex-X1 offers significant improvements in both integer and machine learning performance. ARM claims that the Cortex-X1 is 30% faster in integer performance and 100% faster in machine learning performance.

The Cortex-X1 is available as a semiconductor intellectual property (SIP) core to ARM's partners in the Cortex-X Custom program. It can be integrated with other SIP cores, such as graphics processing units (GPUs) and display controllers, to create a system on a chip (SoC).

Some of the devices that use the Cortex-X1 include the Samsung Exynos 2100, Qualcomm Snapdragon 888(+), and Google Tensor.

In summary, the ARM Cortex-X1 is a high-performance microprocessor designed for smartphones, tablets, and laptops. It offers significant improvements in performance compared to its predecessor and can be integrated with other cores to create powerful SoCs.

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