Wikipedia

ARM Cortex-A720

The ARM Cortex-A720 is a CPU core model from Arm unveiled in 2023.[1] It serves as a successor to the ARM Cortex-A715. 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 in a CPU cluster. It can be used as either "big" or "LITTLE".[2][3][4][5][6][7]

ARM Cortex-A720
General information
Launched2023
Designed byARM Ltd.
Cache
L1 cache64/128 KiB (32/64 KiB I-cache with parity, 32/64 KiB D-cache) per core
L2 cache128–512 KiB per core
L3 cache512 KiB – 32 MiB (optional)
Architecture and classification
MicroarchitectureARM Cortex-A720
Instruction setARMv9.2-A
Products, models, variants
Product code name
  • "Hunter"
Variant
History
PredecessorARM Cortex-A715
SuccessorARM Cortex-A725

Architecture changes in comparison with ARM Cortex-A715

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  • 15% peak performance improvement over the Cortex-A715
  • Can down to same size as Cortex-A78 with 10% performance improvement
  • Down L2 cache hit latency to 9 cycles (from 10 cycles)
  • Down mispredict latency to 11 cycles (from 12 cycles)[4]
  • x2 L2 bandwidth
  • Area optimize configuration for no area cost vs A78
  • DSU-120
    • Up to 14 cores (up from 12 cores)
    • Up to 32 MiB of shared L3 cache (increased from 16 MiB)
  • Update to ARMv9.2

Architecture comparison

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uArch Cortex-A78 Cortex-A710 Cortex-A715 Cortex-A720
Peak clock speed ~3.0 GHz
Decode width 4 5
Dispatch 6/cycle 5/cycle[8] ?
Max In-flight 160 ? 192 [9] ?
L0 (Mops entries) 1536[10][11][12] 0
L1-I L1-D 32/64 32/64 KiB
L2 128–512 KiB
L3 0–8 MiB 0–16 MiB 0–32 MiB
AArch 32-bit and 64-bit 64-bit
Architecture ARMv8.2-A ARMv9.0-A ARMv9.2-A

See also

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References

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  1. ^ Dahad, Nitin (2023-06-02). "Arm Total Compute Solution 2023 targets premium smartphones". Embedded.com. Retrieved 2024-01-17.
  2. ^ "New Arm Cortex-A720 and Cortex-A520 CPUs launched - Announcements - Arm Community blogs - Arm Community". community.arm.com. 2023-05-29. Retrieved 2023-09-16.
  3. ^ "Cortex-A720". developer.arm.com. Retrieved 2023-09-16.
  4. ^ a b Bonshor, Gavin. "Arm Unveils 2023 Mobile CPU Core Designs: Cortex-X4, A720, and A520 - the Armv9.2 Family". www.anandtech.com. Retrieved 2023-06-06.
  5. ^ "A closer look at ARM's new Cortex-A75 and Cortex-A55 CPUs". Android Authority. 2017-05-31. Retrieved 2023-06-06.
  6. ^ "Arm Introduces A New Big Core, The Cortex-A720". WikiChip Fuse. 2023-05-28. Retrieved 2023-06-06.
  7. ^ "TCS23: The complete platform for consumer computing - Announcements - Arm Community blogs - Arm Community". community.arm.com. 2023-05-29. Retrieved 2023-09-16.
  8. ^ "Arm Cortex-X2, A710, and A510 deep dive: New Armv9 CPU designs explained". Android Authority. 2021-05-25. Retrieved 2023-06-06.
  9. ^ "Arm Introduces The Cortex-A715". WikiChip Fuse. 2022-06-28. Retrieved 2023-09-16.
  10. ^ Frumusanu, Andrei. "Arm's New Cortex-A78 and Cortex-X1 Microarchitectures: An Efficiency and Performance Divergence". www.anandtech.com. Retrieved 2023-06-06.
  11. ^ "Documentation – Arm Developer". developer.arm.com. Retrieved 2023-06-06.
  12. ^ "Documentation – Arm Developer". developer.arm.com. Retrieved 2023-06-06.


 

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