The ARM Cortex-A715 is the second generation ARMv9 "big" Cortex CPU.[1] Compared to its predecessor the Cortex-A710 the Cortex-A715 CPU is noted for having a 20% increase in power efficiency, and 5% improvement in performance.[1] The Cortex-A715 shows comparable performance to the previous generation Cortex-X1 CPU.[2][3]
General information | |
---|---|
Launched | 2022 |
Designed by | ARM Ltd. |
Cache | |
L1 cache | 64/128 KiB (32/64 KiB I-cache with parity, 32/64 KiB D-cache) per core |
L2 cache | 128–512 KiB per core |
L3 cache | 256 KiB – 16 MiB (optional) |
Architecture and classification | |
Microarchitecture | ARM Cortex-A715 |
Instruction set | ARMv9.0-A |
Products, models, variants | |
Product code name |
|
Variant | |
History | |
Predecessor | ARM Cortex-A710 |
Successor | ARM Cortex-A720 |
This generation of chips starting with the A715 drops native 32-bit support.[4] It forms part of Arm's Total Compute Solutions 2022 (TCS22) along with Arm's Cortex-X3, Cortex-A510, Arm Immortalis-G715 and CoreLink CI-700/NI-700.[5]
Architecture changes in comparison with ARM Cortex-A710
editThe processor implements the following changes:[6]
- Decode width: 5 (increased from 4)
- Removed micro-op (MOP) cache (previously 1.5k entries)
Usage
editArchitecture comparison
edit- "big" core
µArch | Cortex-A77 | Cortex-A78 | Cortex-A710 | Cortex-A715 | Cortex-A720 | Cortex-A725 | Cortex-A730 |
---|---|---|---|---|---|---|---|
Codename | Deimos | Hercules | Matterhorn | Makalu | Hunter | Chaberton | Gelas |
Peak clock speed | 2.6 GHz | ~3.0 GHz | - | - | |||
Architecture | ARMv8.2-A | ARMv9.0-A | ARMv9.2-A | ||||
AArch | - | 32-bit and 64-bit | 64-bit | 64-bit | |||
Max In-flight | 160 | 160 | ? | 192+ [10] | ? | - | - |
L0 (Mops entries) | - | 1536 [11] | 0 [12] | - | - | ||
L1 (I + D) (KiB) | 64 + 64 KiB | 32/64 + 32/64 KiB | 64 + 64 KiB | - | |||
L2 Cache (KiB) | 256–512 KiB | 128–512 KiB | 0.25–1 MiB [13] | - | |||
L3 Cache (MiB) | 0–4 MiB | 0–8 MiB | 0–16 MiB | 0–32 MiB [14] | - | ||
Decode width | 4-way | 5-way | - | ||||
Dispatch | 6 Mops/cycle | 5 Mops/cycle [15] | ? | - | - |
See also
edit- ARM Cortex-X3, related high performance microarchitecture
- Comparison of ARMv8-A cores, ARMv8 family
References
edit- ^ a b Ltd, Arm. "Cortex-A715". Arm | The Architecture for the Digital World. Retrieved 2022-07-21.
- ^ "Next-gen Armv9 CPUs unleash compute performance - Announcements - Arm Community blogs - Arm Community". community.arm.com. Retrieved 2022-07-21.
- ^ "Cortex-A715". developer.arm.com. Retrieved 2023-09-16.
- ^ Amadeo, Ron (2022-06-29). "Arm X3 CPU gets a 25% speed boost, should still be slower than a 2021 iPhone". Ars Technica. Retrieved 2022-10-18.
- ^ "Second generation Arm Total Compute Solutions - Announcements - Arm Community blogs - Arm Community". community.arm.com. 2022-06-28. Retrieved 2023-09-16.
- ^ "Arm Introduces The Cortex-A715". WikiChip Fuse. 2022-06-28. Retrieved 2023-09-16.
- ^ "MediaTek Launches Flagship Dimensity 9200 Chipset for Incredible Performance and Unmatched Power Savings". MediaTek (Press release). 2022-11-08.
- ^ "Snapdragon 8 Gen 2 Defines a New Standard for Premium Smartphones". www.qualcomm.com. Hawaii: Qualcomm. 2022-11-15. Retrieved 2022-11-15.
- ^ "Google Tensor G3: Everything you need to know about the Pixel 8 processor". Android Authority. 2024-05-26. Retrieved 2024-06-04.
- ^ "Arm Introduces The Cortex-A715". WikiChip Fuse. 2022-06-28. Retrieved 2023-09-16.
- ^ "Arm's New Cortex-A78 and Cortex-X1 Microarchitectures: An Efficiency and Performance Divergence". www.anandtech.com. Retrieved 2023-06-06.
- ^ "Documentation – Arm Developer". developer.arm.com. Retrieved 2023-06-06.
- ^ "Arm launches next gen big core Cortex-A725". WikiChip Fuse. 2024-05-29.
- ^ "Arm introduces a new big core Cortex-A720". WikiChip Fuse. 2023-05-28.
- ^ "Arm Cortex-X2, A710, and A510 deep dive: New Armv9 CPU designs explained". Android Authority. 2021-05-25. Retrieved 2023-06-06.