ARM Cortex-A720
{{Short description|High-performance CPU core design}}
{{Infobox CPU
|name=ARM Cortex-A720
|image=
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|produced-start=2023
|produced-end=
|soldby=
|designfirm=ARM Ltd.
|manuf1=
|cpuid=
|code=
|slowest=
|fastest=
|fast-unit=
|dmi-fastest=
|dmi-fast-unit=
|l1cache={{Nowrap|64/128 KiB}}
{{Small|({{Nowrap|32/64 KiB}} I-cache with parity,
{{Nowrap|32/64 KiB}} D-cache) per core}}
|l2cache={{Nowrap|128–512 KiB}} {{Small|per core}}
|l3cache={{Nowrap|512 KiB – 32 MiB}} {{Small|(optional)}}
|l4cache=
|llcache=
|application=
|size-from=
|size-to=
|arch=ARMv9.2-A
|microarch=ARM Cortex-A720
|data-width=
|extensions=
|transistors=
|numcores=
|gpu=
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|pack1=
|sock1=
|core1=
|pcode1="Hunter"
|model1=
|brand1=
|variant=ARM Cortex-X4
|predecessor=ARM Cortex-A715
|successor=ARM Cortex-A725
}}
The ARM Cortex-A720 is a CPU core model from Arm{{Cite web |title=Cortex-A720 |url=https://developer.arm.com/Processors/Cortex-A720 |access-date=2023-09-16 |website=developer.arm.com}}{{Cite web |date=2023-05-29 |title=TCS23: The complete platform for consumer computing - Arm Community blogs |url=https://community.arm.com/arm-community-blogs/b/announcements/posts/third-generation-total-compute-solutions |access-date=2023-09-16 |website=community.arm.com |language=en}} unveiled in 2023.{{Cite web |date=2023-06-02 |title=Arm Total Compute Solution 2023 targets premium smartphones |url=https://www.embedded.com/arm-launches-total-compute-solution-2023-for-premium-smartphones/ |access-date=2024-01-17 |website=Embedded.com |language=en-US}} It serves as a successor to the ARM Cortex-A715.{{Cite web |date=2023-05-28 |title=Arm Introduces A New Big Core, The Cortex-A720 |website=WikiChip Fuse |url=https://fuse.wikichip.org/news/7529/arm-introduces-a-new-big-core-the-cortex-a720/ |access-date=2023-06-06 |language=en-US}}
Cortex-A700 CPU cores series focus on balanced performance and efficiency, and the CPU core can be paired with other cores in its family such as the high performance ARM Cortex-X4 or/and high efficiency ARM Cortex-A520{{Cite web |date=2023-05-29 |title=New Arm Cortex-A720 and Cortex-A520 CPUs launched - Arm Community blogs |url=https://community.arm.com/arm-community-blogs/b/announcements/posts/arm-cortex-a720-and-cortex-a520-cpus |access-date=2023-09-16 |website=community.arm.com |language=en}} in a CPU cluster. It can be used as either "big" or "LITTLE".{{Cite web |title=Arm Unveils 2023 Mobile CPU Core Designs: Cortex-X4, A720, and A520 - the ARMv9.2 Family |url=https://www.anandtech.com/show/18871/arm-unveils-armv92-mobile-architecture-cortex-x4-a720-and-a520-64bit-exclusive |access-date=2023-06-06 |website=www.anandtech.com}}
Architecture changes in comparison with [[ARM Cortex-A715]]
- Update to ARMv9.2
- 15% peak performance improvement over the Cortex-A715
- Can down to same size as Cortex-A78 with 10% performance improvement
- Area optimize configuration for no area cost vs Cortex-A78
- Down L2 cache hit latency to 9 cycles (from 10 cycles)
- Down mispredict latency to 11 cycles (from 12 cycles)
- x2 L2 bandwidth
- DSU-120
- Up to 14 cores (up from 12 cores)
- Up to 32 MiB of shared L3 cache (increased from 16 MiB)
Architecture comparison
:;"big" core
| class="wikitable sortable" cellpadding="3px" style="border: 1px solid black; border-spacing: 0px; width: 100%; text-align:center; |
| μArch |
|---|
| Codename
| Deimos | Hercules | Matterhorn | Makalu | Hunter | Chaberton |
| Peak clock speed
| 2.6 GHz | colspan="4" | ~3.0 GHz | - |
| Architecture
| colspan="2" | ARMv8.2-A | colspan="2" | ARMv9.0-A | colspan="2" | ARMv9.2-A |
| AArch
| - | colspan="2" | 32-bit and 64-bit | colspan="3" | 64-bit |
| Max In-flight
| 160 | 160 | ? | - | - |
| L0 (Mops entries)
| - | - |
| L1 (I + D) (KiB)
| 64 + 64 KiB | colspan="4" | 32/64 + 32/64 KiB | 64 + 64 KiB |
| L2 Cache (KiB)
| 256–512 KiB | colspan="4" | 128–512 KiB |
| L3 Cache (MiB)
| 0–4 MiB | 0–8 MiB | colspan="2" | 0–16 MiB | colspan="2" | 0–32 MiB {{Cite web |title=Arm introduces a new big core Cortex-A720 |website=WikiChip Fuse |url=https://fuse.wikichip.org/news/7529/arm-introduces-a-new-big-core-the-cortex-a720/ |date=2023-05-28}} |
| Decode width
| colspan="3" | 4-way | colspan="3" | 5-way |
| Dispatch
| colspan="2" | 6 Mops/cycle | colspan="2" | 5 Mops/cycle {{Cite web |date=2021-05-25 |title=Arm Cortex-X2, A710, and A510 deep dive: New Armv9 CPU designs explained |url=https://www.androidauthority.com/arm-cortex-x2-a710-a510-1225203/ |access-date=2023-06-06 |website=Android Authority |language=en}} | ? | - |
== Usage ==
See also
- ARM Cortex-X4, related high performance microarchitecture
- ARM Cortex-A520, related high efficient microarchitecture
- Comparison of ARMv8-A cores