ARM Cortex-X3

Last updated
ARM Cortex-X3
General information
Launched2022
Designed by Arm
Performance
Max. CPU clock rate 3.3 GHz to 3.6 GHz
Address width40-bit
Cache
L1 cache 128 KiB
(64 KiB I-cache with parity,
64 KiB D-cache) per core
L2 cache256–1024 KiBper core
L3 cache512 KiB – 16 MiB(optional)
Architecture and classification
Microarchitecture ARM Cortex-X3
Instruction set ARMv9.0-A
Physical specifications
Cores
  • 1–8 (per cluster)
Products, models, variants
Product code name
  • Makalu ELP
Variant
History
Predecessor ARM Cortex-X2
Successor ARM Cortex-X4

The ARM Cortex-X3 is the third generation X-series high-performance CPU core from Arm. [1] [2]

Contents

It forms part of Arm's Total Compute Solutions 2022 (TCS22) along with Arm's Cortex-A715, Cortex-A510, Immortalis-G715 and CoreLink CI-700/NI-700. [3]

Architecture changes in comparison with ARM Cortex-X2

The processor implements the following changes: [4]

Performance claims:

(3.3GHz, 1MB L2, 8MB L3). [5]
clock speed, and cache setup (also known as ISO-process). [2]

Usage

Architecture comparison

"Prime" core
uArch Cortex-A78 Cortex-X1 Cortex-X2 Cortex-X3 Cortex-X4 Cortex-X925
Code nameHerculesHeraMatterhorn-ELPMakalu-ELPHunter-ELPBlackhawk
Architecture ARMv8.2 ARMv9 ARMv9.2
Peak clock speed~3.0 GHz~3.3 GHz~3.4 GHz~3.8 GHz
Decode width45610 [8]
Dispatch6/cycle8/cycle10/cycle
Max in-flight2x 1602x 2242x 2882x 3202x 3842x 768
L0 (Mops entries)1536 [9] 3072 [9] 15360 [8]
L1-I + L1-D32+32 KiB64+64 KiB
L2128–512 KiB0.25–1 MiB0.5–2 MiB2–3 MiB
L30–8 MiB [10] 0–16 MiB0–32 MiB

See also

References

  1. "Next-gen Armv9 CPUs unleash compute performance - Arm Community". arm.com. 2022-06-28. Retrieved 2023-09-16.
  2. 1 2 "Arm Cortex-X3 and Cortex-A715: Next-gen CPUs redefined". Android Authority. 2022-06-28. Retrieved 2022-10-08.
  3. "Second generation Arm Total Compute Solutions - Arm Community". arm.com. 2022-06-28. Retrieved 2023-09-16.
  4. "Arm Unveils Next-Gen Flagship Core: Cortex-X3". WikiChip Fuse. 2022-06-28. Retrieved 2023-09-16.
  5. "ARM unveils Cortex-X3 (+25% peak performance) and Cortex-A715 (+20% efficiency)". GSMArena. Retrieved 2022-10-08.
  6. "MediaTek Launches Flagship Dimensity 9200 Chipset for Incredible Performance and Unmatched Power Savings". MediaTek. 2022-11-08.
  7. "Snapdragon 8 Gen 2 Defines a New Standard for Premium Smartphones". qualcomm.com. 2022-11-15. Retrieved 2022-11-15.
  8. 1 2 "Arm Cortex-X4, A720, and A520: 2024 smartphone CPUs deep dive". Android Authority. 2023-05-29. Retrieved 2023-06-01.
  9. 1 2 "Arm's New Cortex-A78 and Cortex-X1 Microarchitectures: An Efficiency and Performance Divergence". anandtech.com. Retrieved 2023-06-01.
  10. Schor, David (2020-05-26). "Arm Cortex-X1: The First From The Cortex-X Custom Program". WikiChip Fuse. Retrieved 2023-05-30.