Third-Generation, High-Performance CPU Based on DynamIQ Technology
Designed for devices undertaking complex compute tasks, from edge to cloud for next-generation experiences. Cortex-A77 enables intelligent 5G compute, with performance gains on previous generations across all form factors from smartphones to laptops. It maintains Arm’s industry-leading efficiency with a next-generation device architecture that drives the rapid deployment of various applications enabled by 5G.
Features and Benefits
Improves IPC performance over previous generations by 20% for complex compute tasks on all mobile form factors.
With 5G devices already available, the rise of always-on, always-connected devices is set to increase as 5G rolls out. Cortex-A77 supports 5G and its mobile use cases, as well as always-connected laptops.
Users are demanding devices with longer battery life and consistently high performance, all in a thinner form factor. Microarchitecture updates to Cortex-A77 take advantage of DynamIQ efficient cores to improve user experiences.
Cortex-A77 Product Specifications |
||
|---|---|---|
| Architecture | Armv8-A (Harvard) | |
| Extensions |
Armv8.3(LDAPR instructions only) |
|
| ISA support |
|
|
| Microachitecture | Pipeline | Out-of-order |
| Superscalar | Yes | |
| Neon / Floating Point Unit | Included | |
| Cryptography unit | Optional | |
| Max number of CPUs in cluster | 4 | |
| Physical addressing (PA) |
40-bit | |
| Memory system and external interfaces | L1 I-Cache / D-Cache | 64KB |
| L2 Cache | 256KB to 512KB | |
| L3 Cache | Optional, 512KB to 4MB | |
| ECC support | Yes | |
| LPAE | Yes | |
| Bus interfaces | AMBA ACE or CHI | |
| ACP | Optional | |
| Perpheral port | Optional | |
| Functional safety support | ASIL D systematic | |
| Security | TrustZone | |
| Interrupts | GIC interface, GICv4 | |
| Generic timer | Armv8-A | |
| PMU | PMUv3 | |
| Debug | Armv8-A (plus Armv8.2-A extensions) | |
| CoreSight | CoreSightv3 | |
| Embedded trace macrocell | ETMv4.2 (instruction trace) | |
Key documentation
Where Innovation and Ideas Come to Life
5G
Faster, low-latency, high-bandwidth 5G networks can connect anything, anywhere, with improved performance, efficiency, and cost. Arm-powered solutions are at the forefront of unleashing the power of the 5th generation mobile network.
Smartphones
One of the most fundamental pieces of technology, smartphones are the world's most dynamic personal computers, connecting more than 4 billion people. Arm develops the CPU technology to power everything on a smartphone.
Mobile Gaming
Arm technology runs AAA games that require powerful graphics, high-performance compute, machine learning, and constant connectivity on a wide range of mobile devices.
Talk with an Expert
Performance and efficiency matter with 5G. Learn how the Cortex-A77 can create a better user experience for your products.
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Arm Architecture
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Cortex-A77 Resources
Everything you need to know to make the right decision for your project. Includes technical documentation, industry insights, and where to go for expert advice.
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