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Cortex-A55 - Microarchitectures - ARM
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Cortex-A55 µarch
General Info
Arch TypeCPU
DesignerARM Holdings
ManufacturerTSMC, Samsung, GlobalFoundries, SMIC
IntroductionMay 29, 2017
Process20 nm, 16 nm, 14 nm, 10 nm
Core Configs1, 2, 3, 4
Pipeline
TypeIn-order
OoOENo
SpeculativeNo
Reg RenamingNo
Stages8
Decode2-way
Instructions
ISAARMv8
ExtensionsFPU, NEON, TrustZone
Cache
L1I Cache8-64 KiB/core
2-way set associative
L1D Cache8-64 KiB/core
4-way set associative
L2 Cache64-256 KiB/core
L3 Cache0-4 MiB/Cluster
Succession
Cortex-A55

Cortex-A55 is an ultra-high efficiency microarchitecture designed by ARM Holdings as a successor to the Cortex-A53. The Cortex-A55, which implemented the ARMv8 ISA, is typically found in entry-level smartphone and other embedded devices. Often A55 cores are combined with higher performance processors (e.g. based on Cortex-A57 or Cortex-A725z) in big.LITTLE configuration to achieve better energy/performance.

Note that this microarchitecture is designed as a synthesizable IP core and is sold to other semiconductor companies to be implemented in their own chips.

Process Technology

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Architecture

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Die

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All Cortex-A55 Chips

 List of all Cortex-A55 Chips
 Main processorIGP
ModelLaunchedDesignerFamilyCoreCTL2$L3$FrequencyMax MemDesignerNameFrequency
10002020MediaTekDimensityCortex-A77, Cortex-A55882.6 GHz
2,600 MHz
2,600,000 kHz
, 2 GHz
2,000 MHz
2,000,000 kHz
16 GiB
16,384 MiB
16,777,216 KiB
17,179,869,184 B
0.0156 TiB
Arm HoldingsMali-G77
1000L2020MediaTekDimensityCortex-A77, Cortex-A55882.2 GHz
2,200 MHz
2,200,000 kHz
, 2 GHz
2,000 MHz
2,000,000 kHz
Arm HoldingsMali-G77
800March 2020MediaTekDimensityCortex-A76, Cortex-A55882 GHz
2,000 MHz
2,000,000 kHz
16 GiB
16,384 MiB
16,777,216 KiB
17,179,869,184 B
0.0156 TiB
Arm HoldingsMali-G57
981025 February 2018Samsung, ARM HoldingsExynosCortex-A55, Meerkat880.25 MiB
256 KiB
262,144 B
2.441406e-4 GiB
, 2 MiB
2,048 KiB
2,097,152 B
0.00195 GiB
4 MiB
4,096 KiB
4,194,304 B
0.00391 GiB
2.704 GHz
2,704 MHz
2,704,000 kHz
, 1.794 GHz
1,794 MHz
1,794,000 kHz
ARM HoldingsMali-G72572 MHz
0.572 GHz
572,000 KHz
9820January 2019Samsung, ARM HoldingsExynosCortex-A75, Cortex-A55, Cheetah880.5 MiB
512 KiB
524,288 B
4.882812e-4 GiB
, 1 MiB
1,024 KiB
1,048,576 B
9.765625e-4 GiB
2 MiB
2,048 KiB
2,097,152 B
0.00195 GiB
12 GiB
12,288 MiB
12,582,912 KiB
12,884,901,888 B
0.0117 TiB
ARM HoldingsMali-G76
98252019Samsung, ARM HoldingsExynosCortex-A75, Cortex-A55, Cheetah881 MiB
1,024 KiB
1,048,576 B
9.765625e-4 GiB
, 0.5 MiB
512 KiB
524,288 B
4.882812e-4 GiB
2 MiB
2,048 KiB
2,097,152 B
0.00195 GiB
2.73 GHz
2,730 MHz
2,730,000 kHz
, 2.4 GHz
2,400 MHz
2,400,000 kHz
, 1.95 GHz
1,950 MHz
1,950,000 kHz
12 GiB
12,288 MiB
12,582,912 KiB
12,884,901,888 B
0.0117 TiB
ARM HoldingsMali-G76754 MHz
0.754 GHz
754,000 KHz
9902020Samsung, ARM HoldingsExynosMongoose 5, Cortex-A76, Cortex-A55881 MiB
1,024 KiB
1,048,576 B
9.765625e-4 GiB
, 0.5 MiB
512 KiB
524,288 B
4.882812e-4 GiB
2 MiB
2,048 KiB
2,097,152 B
0.00195 GiB
3.016 GHz
3,016 MHz
3,016,000 kHz
, 2.6 GHz
2,600 MHz
2,600,000 kHz
, 2.106 GHz
2,106 MHz
2,106,000 kHz
16 GiB
16,384 MiB
16,777,216 KiB
17,179,869,184 B
0.0156 TiB
ARM HoldingsMali-G77832 MHz
0.832 GHz
832,000 KHz
G803 February 2020MediaTek, ARM HoldingsHelioCortex-A75, Cortex-A55881.8 GHz
1,800 MHz
1,800,000 kHz
, 2 GHz
2,000 MHz
2,000,000 kHz
8 GiB
8,192 MiB
8,388,608 KiB
8,589,934,592 B
0.00781 TiB
ARM HoldingsMali-G52950 MHz
0.95 GHz
950,000 KHz
P6525 June 2019MediaTek, ARM HoldingsHelioCortex-A75, Cortex-A55882 GHz
2,000 MHz
2,000,000 kHz
8 GiB
8,192 MiB
8,388,608 KiB
8,589,934,592 B
0.00781 TiB
ARM HoldingsMali-G52820 MHz
0.82 GHz
820,000 KHz
P9013 December 2018MediaTek, ARM HoldingsHelioCortex-A75, Cortex-A55882.2 GHz
2,200 MHz
2,200,000 kHz
, 2 GHz
2,000 MHz
2,000,000 kHz
8 GiB
8,192 MiB
8,388,608 KiB
8,589,934,592 B
0.00781 TiB
Imagination TechnologiesPowerVR GM 9446970 MHz
0.97 GHz
970,000 KHz
81021 June 2019HiSilicon, ARM HoldingsKirinCortex-A76, Cortex-A55881 MiB
1,024 KiB
1,048,576 B
9.765625e-4 GiB
, 0.75 MiB
768 KiB
786,432 B
7.324219e-4 GiB
2.27 GHz
2,270 MHz
2,270,000 kHz
, 1.88 GHz
1,880 MHz
1,880,000 kHz
ARM HoldingsMali-G52850 MHz
0.85 GHz
850,000 KHz
98031 August 2018HiSilicon, ARM HoldingsKirinCortex-A76, Cortex-A55882 MiB
2,048 KiB
2,097,152 B
0.00195 GiB
, 0.5 MiB
512 KiB
524,288 B
4.882812e-4 GiB
2.6 GHz
2,600 MHz
2,600,000 kHz
, 1.92 GHz
1,920 MHz
1,920,000 kHz
, 1.8 GHz
1,800 MHz
1,800,000 kHz
ARM HoldingsMali-G76720 MHz
0.72 GHz
720,000 KHz
990 4G6 September 2019HiSilicon, ARM HoldingsKirinCortex-A76, Cortex-A55882 MiB
2,048 KiB
2,097,152 B
0.00195 GiB
, 0.5 MiB
512 KiB
524,288 B
4.882812e-4 GiB
2.86 GHz
2,860 MHz
2,860,000 kHz
, 1.86 GHz
1,860 MHz
1,860,000 kHz
, 2.088 GHz
2,088 MHz
2,088,000 kHz
ARM HoldingsMali-G76600 MHz
0.6 GHz
600,000 KHz
990 5G6 September 2019HiSilicon, ARM HoldingsKirinCortex-A76, Cortex-A55882 MiB
2,048 KiB
2,097,152 B
0.00195 GiB
, 0.5 MiB
512 KiB
524,288 B
4.882812e-4 GiB
2.86 GHz
2,860 MHz
2,860,000 kHz
, 2.36 GHz
2,360 MHz
2,360,000 kHz
, 1.95 GHz
1,950 MHz
1,950,000 kHz
ARM HoldingsMali-G76600 MHz
0.6 GHz
600,000 KHz
SDM6708 August 2018Qualcomm, ARM HoldingsSnapdragon 600Kryo 360 Gold, Kryo 360 Silver881.7 GHz
1,700 MHz
1,700,000 kHz
, 2.2 GHz
2,200 MHz
2,200,000 kHz
8 GiB
8,192 MiB
8,388,608 KiB
8,589,934,592 B
0.00781 TiB
QualcommAdreno 615
SDM67522 October 2018Qualcomm, ARM HoldingsSnapdragon 600Kryo 460 Gold, Kryo 460 Silver880.25 MiB
256 KiB
262,144 B
2.441406e-4 GiB
, 0.0625 MiB
64 KiB
65,536 B
6.103516e-5 GiB
2 GHz
2,000 MHz
2,000,000 kHz
, 1.7 GHz
1,700 MHz
1,700,000 kHz
8 GiB
8,192 MiB
8,388,608 KiB
8,589,934,592 B
0.00781 TiB
QualcommAdreno 612
SDM71023 May 2018Qualcomm, ARM HoldingsSnapdragon 700Kryo 360 Gold, Kryo 360 Silver882.2 GHz
2,200 MHz
2,200,000 kHz
, 1.7 GHz
1,700 MHz
1,700,000 kHz
8 GiB
8,192 MiB
8,388,608 KiB
8,589,934,592 B
0.00781 TiB
QualcommAdreno 616500 MHz
0.5 GHz
500,000 KHz
SDM7126 February 2019Qualcomm, ARM HoldingsSnapdragon 700Kryo 360 Gold, Kryo 360 Silver882.3 GHz
2,300 MHz
2,300,000 kHz
, 1.7 GHz
1,700 MHz
1,700,000 kHz
8 GiB
8,192 MiB
8,388,608 KiB
8,589,934,592 B
0.00781 TiB
QualcommAdreno 616550 MHz
0.55 GHz
550,000 KHz
SDM7309 April 2019Qualcomm, ARM HoldingsSnapdragon 700Kryo 470 Gold, Kryo 470 Silver881.8 GHz
1,800 MHz
1,800,000 kHz
, 2.2 GHz
2,200 MHz
2,200,000 kHz
8 GiB
8,192 MiB
8,388,608 KiB
8,589,934,592 B
0.00781 TiB
QualcommAdreno 618500 MHz
0.5 GHz
500,000 KHz
SDM730G9 April 2019Qualcomm, ARM HoldingsSnapdragon 700Kryo 470 Gold, Kryo 470 Silver882.2 GHz
2,200 MHz
2,200,000 kHz
, 1.8 GHz
1,800 MHz
1,800,000 kHz
8 GiB
8,192 MiB
8,388,608 KiB
8,589,934,592 B
0.00781 TiB
QualcommAdreno 618575 MHz
0.575 GHz
575,000 KHz
Snapdragon 720G20 January 2020QualcommSnapdragon 700Kryo 465 Gold, Kryo 465 Silver881.8 GHz
1,800 MHz
1,800,000 kHz
, 2.3 GHz
2,300 MHz
2,300,000 kHz
8 GiB
8,192 MiB
8,388,608 KiB
8,589,934,592 B
0.00781 TiB
QualcommAdreno 618500 MHz
0.5 GHz
500,000 KHz
8cxMarch 2019Qualcomm, ARM HoldingsSnapdragon 800Kryo 495 Gold, Kryo 495 Silver8810 MiB
10,240 KiB
10,485,760 B
0.00977 GiB
1.8 GHz
1,800 MHz
1,800,000 kHz
, 2.84 GHz
2,840 MHz
2,840,000 kHz
, 3.02 GHz
3,020 MHz
3,020,000 kHz
QualcommAdreno 680 GPU
SDM845February 2018Qualcomm, ARM HoldingsSnapdragon 800Kryo 385 Gold, Kryo 385 Silver881 MiB
1,024 KiB
1,048,576 B
9.765625e-4 GiB
, 0.5 MiB
512 KiB
524,288 B
4.882812e-4 GiB
2.8 GHz
2,800 MHz
2,800,000 kHz
, 1.7 GHz
1,700 MHz
1,700,000 kHz
10 GiB
10,240 MiB
10,485,760 KiB
10,737,418,240 B
0.00977 TiB
QualcommAdreno 630 GPU710 MHz
0.71 GHz
710,000 KHz
SDM8505 June 2018QualcommSnapdragon 800Kryo 385 Gold, Kryo 385 Silver881 MiB
1,024 KiB
1,048,576 B
9.765625e-4 GiB
, 0.5 MiB
512 KiB
524,288 B
4.882812e-4 GiB
2.96 GHz
2,960 MHz
2,960,000 kHz
8 GiB
8,192 MiB
8,388,608 KiB
8,589,934,592 B
0.00781 TiB
QualcommAdreno 630
SDM855March 2019ARM Holdings, QualcommSnapdragon 800Kryo 485 Gold, Kryo 485 Silver880.5 MiB
512 KiB
524,288 B
4.882812e-4 GiB
, 0.75 MiB
768 KiB
786,432 B
7.324219e-4 GiB
1.8 GHz
1,800 MHz
1,800,000 kHz
, 2.42 GHz
2,420 MHz
2,420,000 kHz
, 2.84 GHz
2,840 MHz
2,840,000 kHz
16 GiB
16,384 MiB
16,777,216 KiB
17,179,869,184 B
0.0156 TiB
QualcommAdreno 640 GPU257 MHz
0.257 GHz
257,000 KHz
SDM855ACMarch 2019Qualcomm, ARM HoldingsSnapdragon 800Kryo 485 Gold, Kryo 485 Silver881 MiB
1,024 KiB
1,048,576 B
9.765625e-4 GiB
, 0.5 MiB
512 KiB
524,288 B
4.882812e-4 GiB
1.8 GHz
1,800 MHz
1,800,000 kHz
, 2.42 GHz
2,420 MHz
2,420,000 kHz
, 2.96 GHz
2,960 MHz
2,960,000 kHz
16 GiB
16,384 MiB
16,777,216 KiB
17,179,869,184 B
0.0156 TiB
QualcommAdreno 640 GPU250 MHz
0.25 GHz
250,000 KHz
SDM865March 2020Qualcomm, ARM HoldingsSnapdragon 800Kryo 585 Gold, Kryo 585 Silver, kryo 585 prime880.5 MiB
512 KiB
524,288 B
4.882812e-4 GiB
, 0.75 MiB
768 KiB
786,432 B
7.324219e-4 GiB
2.42 GHz
2,420 MHz
2,420,000 kHz
, 2.84 GHz
2,840 MHz
2,840,000 kHz
, 2.11 GHz
2,110 MHz
2,110,000 kHz
16 GiB
16,384 MiB
16,777,216 KiB
17,179,869,184 B
0.0156 TiB
QualcommAdreno 650 GPU257 MHz
0.257 GHz
257,000 KHz
Count: 27
Retrieved from "https://en.wikichip.org/w/index.php?title=arm_holdings/microarchitectures/cortex-a55&oldid=43408"
Facts about "Cortex-A55 - Microarchitectures - ARM"
RDF feed
codenameCortex-A55 +
core count1 +, 2 +, 3 + and 4 +
designerARM Holdings +
first launchedMay 29, 2017 +
full page namearm holdings/microarchitectures/cortex-a55 +
instance ofmicroarchitecture +
instruction set architectureARMv8 +
manufacturerTSMC +, Samsung +, GlobalFoundries + and SMIC +
microarchitecture typeCPU +
nameCortex-A55 +
pipeline stages8 +
process20 nm (0.02 μm, 2.0e-5 mm) +, 16 nm (0.016 μm, 1.6e-5 mm) +, 14 nm (0.014 μm, 1.4e-5 mm) + and 10 nm (0.01 μm, 1.0e-5 mm) +