ARM Cortex-X2

<h2 id="architecture-changes-in-comparison-with-arm-cortex-x1">Architecture changes in comparison with <a href="/facts/ARM_Cortex-X1/VozPvRP1">ARM Cortex-X1</a></h2>
<p>The processor implements the following changes:<a class="footnote-ref" id="fnref:3" href="#fn:3"><sup>3</sup></a><a class="footnote-ref" id="fnref:4" href="#fn:4"><sup>4</sup></a><a class="footnote-ref" id="fnref:5" href="#fn:5"><sup>5</sup></a>
</p>
<ul><li>10 cycle pipeline down from 11, created by reducing the dispatch stage from 2 cycles to 1</li>
<li>Reorder buffer (ROB) increased by 30% from 224 entries to 288</li>
<li>dTLB increased by 20% from 40 entries to 48</li>
<li>SVE2 SIMD support</li>
<li>Bfloat16 data type support</li>
<li>Support for Aarch32 removed</li>
<li>DSU-110
<ul><li>Up to 12 cores (up from 8 cores)</li>
<li>Up to 16M L3 cache (up from 8 MB)</li></ul></li>
<li>CoreLink CI-700/NI-700
<ul><li>Up to 32MB SLC</li></ul></li>
<li>ARMv9.0</li></ul>
<p>Performance claims:
</p>
<ul><li>Comparing the Cortex-X2 to the Cortex-X1 with the same process, clock speed, and 4MB of L3 cache (also known as ISO-process):
<ul><li>16% greater integer performance / IPC</li>
<li>100% greater ML performance</li></ul></li>
<li>30% peak performance improvement over the Cortex-X1 in smartphones (3.3 GHz, 1MB L2, 8MB L3)</li>
<li>40% faster than an Intel Core i5-1135G7 at 15W (3.5 GHz, 1MB L2, 16MB L3)</li></ul>
<h2 id="usage">Usage</h2>
<ul><li>MediaTek <a href="/facts/List_of_MediaTek_processors/DKVQYqFc">Dimensity 9000/9000+</a><a class="footnote-ref" id="fnref:6" href="#fn:6"><sup>6</sup></a></li>
<li>Qualcomm <a href="/facts/List_of_Qualcomm_Snapdragon_systems_on_chips/YIpmqPP9">Snapdragon 7+ Gen 2</a><a class="footnote-ref" id="fnref:7" href="#fn:7"><sup>7</sup></a></li>
<li>Qualcomm <a href="/facts/List_of_Qualcomm_Snapdragon_processors/YIpmqPP9">Snapdragon 8/8+ Gen 1</a><a class="footnote-ref" id="fnref:8" href="#fn:8"><sup>8</sup></a></li>
<li>Samsung <a href="/facts/Exynos/VSMI3vDf">Exynos 2200</a><a class="footnote-ref" id="fnref:9" href="#fn:9"><sup>9</sup></a></li></ul>
<h2 id="see-also">See also</h2>
<ul><li><a href="/facts/ARM_Cortex-A710/VAVjHJdr">ARM Cortex-A710</a>, related high performance microarchitecture</li>
<li><a href="/facts/Comparison_of_ARMv8-A_cores/ukAolpcp">Comparison of ARMv8-A cores</a>, ARMv8 family</li></ul>

<h2 id="references">References</h2>

<ol>
<li id="fn:1"><p>Ltd, Arm. "Cortex-X Custom CPU program". Arm | The Architecture for the Digital World. Retrieved 2021-12-02. <a href="https://www.arm.com/products/cortex-x" target="_blank">https://www.arm.com/products/cortex-x</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li>
<li id="fn:2"><p>"Arm Total Compute solutions powering decade of compute - Architectures and Processors blog - Arm Community blogs - Arm Community". community.arm.com. 2021-05-25. Retrieved 2023-09-16. <a href="https://community.arm.com/arm-community-blogs/b/architectures-and-processors-blog/posts/total-compute-solutions" target="_blank">https://community.arm.com/arm-community-blogs/b/architectures-and-processors-blog/posts/total-compute-solutions</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li>
<li id="fn:3"><p>"Arm Launches Its New Flagship Performance Armv9 Core: Cortex-X2". WikiChip Fuse. 2021-05-25. Retrieved 2021-12-03. <a href="https://fuse.wikichip.org/news/5269/arm-launches-its-new-flagship-performance-armv9-core-cortex-x2/" target="_blank">https://fuse.wikichip.org/news/5269/arm-launches-its-new-flagship-performance-armv9-core-cortex-x2/</a> <a href="#fnref:3" class="footnote-back-ref">↩</a></p></li>
<li id="fn:4"><p>Frumusanu, Andrei. "Arm Announces Mobile Armv9 CPU Microarchitectures: Cortex-X2, Cortex-A710 & Cortex-A510". www.anandtech.com. Retrieved 2021-12-03. <a href="https://www.anandtech.com/show/16693/arm-announces-mobile-armv9-cpu-microarchitectures-cortexx2-cortexa710-cortexa510" target="_blank">https://www.anandtech.com/show/16693/arm-announces-mobile-armv9-cpu-microarchitectures-cortexx2-cortexa710-cortexa510</a> <a href="#fnref:4" class="footnote-back-ref">↩</a></p></li>
<li id="fn:5"><p>"Documentation – Arm Developer". developer.arm.com. Archived from the original on 2021-12-03. Retrieved 2021-12-03. <a href="https://developer.arm.com/documentation/101803/0200/" target="_blank">https://developer.arm.com/documentation/101803/0200/</a> <a href="#fnref:5" class="footnote-back-ref">↩</a></p></li>
<li id="fn:6"><p>"Summit Dimensity9000| Latest 5G Snapdragon Processor | Qualcomm". i.mediatek.com. 17 November 2021. Retrieved 2021-12-02. <a href="https://www.qualcomm.com/products/snapdragon-8-gen-1-mobile-platform" target="_blank">https://www.qualcomm.com/products/snapdragon-8-gen-1-mobile-platform</a> <a href="#fnref:6" class="footnote-back-ref">↩</a></p></li>
<li id="fn:7"><p>"Snapdragon 7+ Gen 2 Mobile Platform". Qualcomm. Retrieved 17 March 2023. <a href="https://www.qualcomm.com/products/application/smartphones/snapdragon-7-series-mobile-platforms/snapdragon-7-plus-gen-2-mobile-platform" target="_blank">https://www.qualcomm.com/products/application/smartphones/snapdragon-7-series-mobile-platforms/snapdragon-7-plus-gen-2-mobile-platform</a> <a href="#fnref:7" class="footnote-back-ref">↩</a></p></li>
<li id="fn:8"><p>"Qualcomm Snapdragon 8 Gen 1 Mobile Platform | Latest 5G Snapdragon Processor | Qualcomm". www.qualcomm.com. 17 November 2021. Retrieved 2021-12-02. <a href="https://www.qualcomm.com/products/snapdragon-8-gen-1-mobile-platform" target="_blank">https://www.qualcomm.com/products/snapdragon-8-gen-1-mobile-platform</a> <a href="#fnref:8" class="footnote-back-ref">↩</a></p></li>
<li id="fn:9"><p>"Exynos 2200 | Processor". <a href="https://www.samsung.com/semiconductor/minisite/exynos/products/mobileprocessor/exynos-2200/" target="_blank">https://www.samsung.com/semiconductor/minisite/exynos/products/mobileprocessor/exynos-2200/</a> <a href="#fnref:9" class="footnote-back-ref">↩</a></p></li>
</ol>

ARM Cortex-X2 open-in-new

ARM Cortex-X2