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ARM Cortex-A520

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High-efficiency CPU core design

ARM Cortex-A520
General information
Launched	2023
Designed by	ARM Ltd.
Cache
L1cache	64/128KiB(32/64 KiBI-cache with parity,32/64 KiBD-cache) per core
L2 cache	0–512 KiB per complex
L3 cache	256 KiB – 32 MiB(optional)
Architecture and classification
Microarchitecture	ARM Cortex-A520
Instruction set	ARMv9.2-A
Products, models, variants
Product code name	Hayes
History
Predecessor	ARM Cortex-A510
Successor	ARM Cortex-A530

TheARM Cortex-A520 is a "little"CPU core model fromArm unveiled in TCS23 (total compute solution)^[1]^[2]^[3]it serves as a successor to the CPU coreARM Cortex-A510. The Cortex-A500 CPU cores series generally focus on high efficiency, the CPU core can be paired with the other CPU cores in its family likeARM Cortex-A720 or/andCortex-X4 in a CPU cluster.^[4]

Improvements

[edit]

8% peak performance improvement over theCortex-A510^[5]
Support only64-bit applications
Up to 512 KiB of privateL2 cache (From 256 KiB)
AddQARMA3 Pointer Authentication (PAC) algorithm support
Update to ARMv9.2^[6]

Architecture comparison

[edit]

uArch	Cortex-A53	Cortex-A55	Cortex-A510	Cortex-A520
Peak clock speed	2.3 GHz	2.1 GHz	2.0 GHz	2.0 GHz
Decode Width	2		3	3 (2 ALU)
Dispatch	8^[7]
Max In-flight	None (In-order)
branch predictor history (entries)	3072^[8]
L0 (Mops entries)	None
L1-I + L1-D	8/64+8/64 KiB	16/64+16/64 KiB	32/64+32/64 KiB
L2	0–256 KB		0–512 KB
L3	?	0–4 MiB	0–16 MiB	0–32 MiB
AArch	32-bit and64-bit			64-bit
Architecture	ARMv8.0-A	ARMv8.2-A	ARMv9.0-A	ARMv9.2-A

References

[edit]

^Bonshor, Gavin."Arm Unveils 2023 Mobile CPU Core Designs: Cortex-X4, A720, and A520 - the Armv9.2 Family".www.anandtech.com. Retrieved2023-05-30.
^"Arm Launches Next-Gen Efficiency Core; Cortex-A520".WikiChip Fuse. 2023-05-28. Retrieved2023-09-16.
^"Arm Cortex-X4, A720, and A520: 2024 smartphone CPUs deep dive".Android Authority. 2023-05-29. Retrieved2023-06-05.
^"Cortex-A520".developer.arm.com. Retrieved2023-09-16.
^Bonshor, Gavin."Arm Unveils 2023 Mobile CPU Core Designs: Cortex-X4, A720, and A520 - the Armv9.2 Family".www.anandtech.com. Retrieved2023-06-05.
^Ltd, Arm."Cortex-A520".Arm | The Architecture for the Digital World. Retrieved2023-06-05.
^"A closer look at ARM's new Cortex-A75 and Cortex-A55 CPUs".Android Authority. 2017-05-31. Retrieved2023-06-05.
^"ARM's Cortex A53: Tiny But Important".Chips and Cheese. 2023-05-28. Retrieved2023-06-14.

Application ARM-based chips

Application
processors
(32-bit)

ARMv7-A

Cortex-A5	ActionsATM702x AmlogicM805/S805, T82x AtmelSAMA5D3 InfoTMiMAPx820, iMAPx15 QualcommSnapdragon S4 Play,200 RDA RDA8810PL TelechipsTCC892x
Cortex-A7	AllwinnerA2x, A3x, A83T, H3, H8 NXPi.MX7,QorIQ LS10xx, NXPi.MX6UL BroadcomVideoCore BCM2836, BCM23550 LeadcoreLC1813, LC1860/C, LC1913, LC1960 Marvell Armada PXA1920, 1500 mini plus MediaTek MT65xx QualcommSnapdragon 200, 205, 208, 210, 212,400
Cortex-A8	AllwinnerA1x Apple A4 Freescalei.MX5 RockchipRK291x SamsungExynos 3110(S5PC110), S5PV210 Texas InstrumentsOMAP 3 Texas InstrumentsSitara AM3xxx Texas InstrumentsDM38x ZiiLABSZMS-08
Cortex-A9	ActionsATM702x, ATM703x Altera Cyclone V, Arria V/10 AmlogicAML8726, MX, M6x, M801, M802/S802, S812, T86x Apple A5,A5X BroadcomVideoCore BCM21xxx, BCM28xxx Freescalei.MX6 HiSiliconK3V2,910's InfoTMiMAPx912 LeadcoreLC1810, LC1811 Marvell Armada 1500 mini MediaTek MT65xx NvidiaTegra,2,3,4i NufrontNuSmart 2816M, NS115, NS115M Renesas EMMA EV2, R-Car H1, RZ/A RockchipRK292x, RK30xx, RK31xx SamsungExynos 4 421x, 441x ST-EricssonNovaThor TelechipsTCC8803 Texas InstrumentsOMAP 4 Texas InstrumentsSitara AM4xxx VIA WonderMediaWM88x0, 89x0 XilinxZynq-7000 ZiiLABSZMS-20, ZMS-40
Cortex-A15	AllwinnerA80 HiSiliconK3V3 MediaTekMT8135/V NvidiaTegra 4,K1 Renesas R-Car H2 SamsungExynos 5 52xx, 54xx Texas InstrumentsOMAP 5, DRA7xx, AM57xx Texas InstrumentsSitara AM5xxx
Cortex-A17	MediaTekMT6595, MT5595 MStar6A928 RockchipRK3288
Others	Cortex-A12
ARMv7-A compatible	Apple A6,A6X,S1,S1P,S2,S3 Broadcom Brahma-B15 Marvell P4J QualcommSnapdragon S1, S2, S3, S4 Plus, S4 Pro, 600, 800 (Scorpion,Krait)

ARMv8-A

Others	Cortex-A32

Application
processors
(64-bit)

ARMv8-A

Cortex-A35	NXPi.MX8X MediaTekMT6799, MT8516 RockchipRK3308
Cortex-A53	ActionsGT7, S900, V700 AllwinnerA64, H5, H64, R18 Altera Stratix 10 AmlogicS9 Family, T96x BroadcomBCM2837 EZchip TILE-Mx100 HiSiliconKirin 620,650, 655, 658, 659,930, 935 Marvell Armada PXA1928, Mobile PXA1908/PXA1936 MediaTekMT673x,MT675x,MT6761V,MT6762/V,MT6763T,MT6765/G/H,MT6795,MT8161, MT8163, MT8165, MT8732, MT8735, MT8752 NXP ARMS32,QorIQ LS1088, LS1043,i.MX8M QualcommSnapdragon 215,410, 412, 415, 425, 427, 429, 430, 435, 439, 450,610, 615, 616, 617, 625, 626, 630 Renesas RZ/V2M RockchipRK3328, RK3368 SamsungExynos 7570, 7578, 7580, 7870, 7880 Texas InstrumentsSitara AM6xxx UNISOC SC9820E,SC9832E, SC9860/GV XilinxZynqMP
Cortex-A57	AMDOpteron A1100-series NXPQorIQ LS20xx NvidiaTegra X1 andTegra X2 QualcommSnapdragon 808 and 810 SamsungExynos 7 5433, 7420 HiSiliconKirin Hi1610 and Hi1612
Cortex-A72	AWS Graviton BroadcomBCM2711 HiSiliconKirin 950, 955,Kunpeng 916 MediaTekMT6797/D/T/X,MT8173, MT8176, MT8693 MStar6A938 QualcommSnapdragon 650, 652, 653 RockchipRK3399 NXPQorIQ LS2088,QorIQ LS1046A,QorIQ LX2160A,QorIQ LS1028A,i.MX8
Cortex-A73	QualcommSnapdragon 460,632, 636, 660, 662, 665, 680, 685,6s 4G Gen 1,835 SamsungExynos 7872, 7884, 7885, 7904, 9609, 9610, 9611 HiSiliconKirin 710,960,970 MediaTekMT6771/V,MT6799,MT8183, MT8788 AmlogicS922X
Others	Cortex-A34
ARMv8-A compatible	Ampere eMAG Apple A7,A8,A8X,A9,A9X,A10,A10X Applied Micro X-Gene CaviumThunderX Nvidia Tegra K1 (Denver),Tegra X2 (Denver2) QualcommKryo,Falkor Samsung Exynos M1 (Mongoose), M2 (Mongoose)

ARMv8.1-A

ARMv8.1-A compatible	CaviumThunderX2

ARMv8.2-A

Cortex-A55	AllwinnerA523 SamsungExynos 850 UNISOCSC9863/A, T603
Cortex-A75	QualcommSnapdragon 670,710, 712,845,850 SamsungExynos 9820, 9825 MediaTekMT6769H/T/V/Z,MT6768, MT6779V UNISOCT310, T606, T610, T615, T616, T618, T619, T620, T700, T710, T7200, T7225, T7250, T7255, T7280,T740
Cortex-A76	AllwinnerA733 Google Tensor HiSiliconKirin 810, 820,980, 985,990 QualcommSnapdragon 480(+),675, 678,720G, 730(G), 732G, 765(G), 768G,855(+), 860,7c (Gen 2), 8c, 8cx (Gen 2) MicrosoftSQ1 and SQ2 MediaTekMT6781, MT6785V, MT6789,MT6833V/P, MT6853V/T,MT6873, MT6875,Dimensity 6020, 6080, 6100+, 6300(+), 6400,MT8192 SamsungExynos 990 UNISOCT750, T760, T765, T770, T820, T8100, T8200, T8300, T9100
Cortex-A77	MediaTekDimensity 1000(+) QualcommSnapdragon 690,750G,865(+), 870 HiSiliconKirin 9000 SamsungExynos 880,980
Cortex-A78	Google Tensor G2 MediaTekMT6877, MT6878,MT6879, MT6891, MT6893,Dimensity 7020, 7025 (Ultra), 7030, 7050, 7300 (Energy/Ultra/X),8000, 8020, 8050, 8100, 8200,Kompanio 900T, 1200, 1380, 1300T QualcommSnapdragon 4 Gen 1, 4(s) Gen 2,695,6 Gen 1, 6(s) Gen 3,778G(+), 780G, 782G,888(+) SamsungExynos 1080, 1280, 1330, 1380, 1480,2100
Cortex-X1	Google Tensor, Tensor G2 QualcommSnapdragon 888(+) SamsungExynos 2100
Neoverse N1	Ampere Altra, Altra Max AWS Graviton2
Others	Cortex-A65, Cortex-A65AE, Cortex-A76AE, Cortex-A78C, Cortex-X1C,Neoverse E1
ARMv8.2-A compatible	Apple A11 Fujitsu A64FX HiSilicon TaiShan v110 Nvidia Tegra Xavier (Carmel) Samsung Exynos M3 (Meerkat), M4 (Cheetah), M5 (Lion)

ARMv8.3-A

ARMv8.3-A compatible	Apple A12,A12X/A12Z,S4,S5 Marvell ThunderX3

ARMv8.4-A

Neoverse V1	AWS Graviton3
ARMv8.4-A compatible	Apple A13,S6,S7,S8

ARMv8.5-A

ARMv8.5-A compatible	Apple A14,M1

ARMv8.6-A

ARMv8.6-A compatible	Apple A15,A16,A17,M2,M3

ARMv8.7-A

ARMv8.7-A compatible	QualcommOryon

ARMv9.0-A

Cortex-A510	Google Tensor G3 MediaTekDimensity 7200 (Pro/Ultra),8300 (Ultra),9000/9000+, 9200 QualcommSnapdragon 7 Gen 1, 7 Gen 3, 7s/7+ Gen 2,8(+) Gen 1,8 Gen 2 SamsungExynos 2200
Cortex-A710	MediaTekDimensity 9000/9000+ QualcommSnapdragon 7 Gen 1, 7 Gen 3, 7s/7+ Gen 2,8(+) Gen 1,8 Gen 2 SamsungExynos 2200
Cortex-A715	Google Tensor G3 MediaTekDimensity 7200 (Pro/Ultra),8300 (Ultra),9200 QualcommSnapdragon 7 Gen 3,8 Gen 2
Cortex-X2	MediaTekDimensity 9000/9000+ QualcommSnapdragon 7s/7+ Gen 2,8(+) Gen 1 SamsungExynos 2200
Cortex-X3	Google Tensor G3 MediaTekDimensity 9200/9200+ QualcommSnapdragon 8 Gen 2
Neoverse N2	Alibaba YiTian 710 Microsoft Azure Cobalt 100
Neoverse V2	AWSGraviton4 Google Axion Nvidia Grace

ARMv9.2-A

Cortex-A520	Google Tensor G4 QualcommSnapdragon 6 Gen 4,7s/7+ Gen 3,8(s) Gen 3 SamsungExynos 1580,Exynos 2400
Cortex-A720	Google Tensor G4 MediaTekDimensity 9300(+) QualcommSnapdragon 6 Gen 4,7s/7+ Gen 3,8(s) Gen 3 SamsungExynos 1580,Exynos 2400
Cortex-A725	MediaTekDimensity 8400 (Ultra)
Cortex-X4	Google Tensor G4 MediaTekDimensity 9300(+) QualcommSnapdragon 7+ Gen 3,8(s) Gen 3 SamsungExynos 2400
Cortex-X925	MediaTekDimensity 9400(+)
Neoverse N3	-
Neoverse V3	-
ARMv9.2-A compatible	All Cortex A520,A720,X4,X925,X930 cores are ARMv9.2-A Apple A18 Apple M4

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Improvements

Architecture comparison

See also

References