ARM Cortex-X4

ARM Cortex-X4
General information
Launched2023
Designed byARM Ltd.
Performance
Address width40-bit
Physical specifications
Cores
  • 1–10 (per cluster)
Cache
L1 cache128 KiB
(64 KiB I-cache with parity,
64 KiB D-cache) per core
L2 cache512–2048 KiB per core
L3 cache512 KiB – 32 MiB (optional)
Architecture and classification
MicroarchitectureARM Cortex-X4
Instruction setARMv9.2-A
Products, models, variants
Product code name
  • "Hunter ELP"
Variant
History
PredecessorARM Cortex-X3
SuccessorARM Cortex-X925

The ARM Cortex-X4 is a high-performance CPU core from Arm, released in 2023 as part of Arm's "total compute solution". It serves as the successor of ARM Cortex-X3.

X-series CPU cores generally focus on high performance, and can be grouped with other ARM cores, such as ARM Cortex-A720 or/and ARM Cortex-A520 in a System-on-Chip (SoC).

Architecture changes in comparison with ARM Cortex-X3

The processor implements the following changes:

Performance claims:

Architecture comparison

"Prime" core
uArch Cortex-A78 Cortex-X1 Cortex-X2 Cortex-X3 Cortex-X4 Cortex-X925
Code name Hercules Hera Matterhorn-ELP Makalu-ELP Hunter-ELP Blackhawk
Architecture ARMv8.2 ARMv9 ARMv9.2
Peak clock speed ~3.0 GHz ~3.3 GHz ~3.4 GHz ~3.8 GHz
Decode width 4 5 6 10
Dispatch 6/cycle 8/cycle 10/cycle
Max in-flight 2x 160 2x 224 2x 288 2x 320 2x 384 2x 768
L0 (Mops entries) 1536 3072 1536 0
L1-I + L1-D 32+32 KiB 64+64 KiB
L2 128–512 KiB 0.25–1 MiB 0.5–2 MiB 2–3 MiB
L3 0–8 MiB 0–16 MiB 0–32 MiB

Usage

See also

References

  1. ↑ "Arm Total Compute Solution 2023 targets premium smartphones". embedded.com. 2023-06-02. Retrieved 2024-01-17.
  2. ↑ "TCS23: The complete platform for consumer computing - Arm Community". community.arm.com. 2023-05-29. Retrieved 2023-09-16.
  3. 1 2 "Arm introduces the Cortex-X4, its newest flagship performance core". WikiChip Fuse. 2023-05-28. Archived from the original on 2024-05-06. Retrieved 2023-05-30.
  4. 1 2 "Arm Cortex-X4 advances frontiers of CPU performance - Arm Community". community.arm.com. 2023-05-29. Retrieved 2023-09-16.
  5. 1 2 3 4 "Arm Unveils 2023 Mobile CPU Core Designs: Cortex-X4, A720, and A520 - the Armv9.2 Family". www.anandtech.com. Archived from the original on May 29, 2023. Retrieved 2023-05-30.
  6. 1 2 "Arm Cortex-X4, A720, and A520: 2024 smartphone CPUs deep dive". Android Authority. 2023-05-29. Retrieved 2023-06-01.
  7. 1 2 "Arm's New Cortex-A78 and Cortex-X1 Microarchitectures: An Efficiency and Performance Divergence". anandtech.com. Archived from the original on May 26, 2020. Retrieved 2023-06-01.
  8. ↑ Schor, David (2020-05-26). "Arm Cortex-X1: The First From The Cortex-X Custom Program". WikiChip Fuse. Archived from the original on 2022-04-03. Retrieved 2023-05-30.
  9. ↑ "Latest Pixel 9 leak gives us a look at the Tensor G4 specs and benchmarks". Android Authority. 2024-06-01. Retrieved 2024-06-01.
  10. ↑ "MediaTek says its Snapdragon 8 Gen 3 rival will be a beast (Updated)". Android Authority. 2023-05-29. Retrieved 2023-09-16.
  11. ↑ "Qualcomm Snapdragon Tech Summit Live Blog: Compute Spotlight". Android Authority. 2023-05-29. Archived from the original on October 25, 2023. Retrieved 2023-09-16.