ARM Cortex-A720

ARM Cortex-A720

General information
Launched	2023
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	512 KiB – 32 MiB (optional)
Architecture and classification
Microarchitecture	ARM Cortex-A720
Instruction set	ARMv9.2-A
Products, models, variants
Product code name	"Hunter"
Variant	ARM Cortex-X4
History
Predecessor	ARM Cortex-A715
Successor	ARM Cortex-A725

The ARM Cortex-A720 is a CPU core model from Arm unveiled in 2023. 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".

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

μArch	Cortex-A77	Cortex-A78	Cortex-A710	Cortex-A715	Cortex-A720	Cortex-A725
Codename	Deimos	Hercules	Matterhorn	Makalu	Hunter	Chaberton
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
Max In-flight	160	160	?	192+	-	-
L0 (Mops entries)	-	1536		0		-
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
L3 Cache (MiB)	0–4 MiB	0–8 MiB	0–16 MiB		0–32 MiB
Decode width	4-way			5-way
Dispatch	6 Mops/cycle		5 Mops/cycle		?	-

Usage

• Google • Tensor G4
• MediaTek • Dimensity 9300(+)
• Qualcomm • Snapdragon 6 Gen 4 • Snapdragon 7s/7+ Gen 3 • Snapdragon 8(s) Gen 3
• Samsung • Exynos 1580 • Exynos 2400
• Cixtech • Cix P1/CD8180

See also

• ARM Cortex-X4, related high performance microarchitecture
• ARM Cortex-A520, related high efficient microarchitecture
• Comparison of ARMv8-A cores