编辑“︁Apple A15”︁（章节）

==設計==
Apple A15 Bionic 采用 Apple 设计的 [[64位元|64 位]]六核[[中央处理器|CPU]] ，贯彻ARMv8指令集架构 ，具有两个称为Avalanche的高性能内核和四个称为Blizzard的节能内核。苹果声称 iPhone 中的 A15 比竞争对手快 50%。还声称 iPad Mini 6 中的 A15 比 A12 快 40%<ref>{{Cite web |last=Frumusanu |first=Andrei |title=Apple Announces iPhone 13 Series: A15, New Cameras, New Screens |url=https://www.anandtech.com/show/16934/apple-announces-iphone-13-series |website=www.anandtech.com |access-date=2022-07-21 |archive-date=2022-05-14 |archive-url=https://web.archive.org/web/20220514013840/https://www.anandtech.com/show/16934/apple-announces-iphone-13-series |dead-url=no }}</ref>。 [[Anandtech]]的深度细分透露“与A14相比，新A15将双性能核心集群的峰值单核频率提高了8%，相比上一代的2998MHz，现在达到了3240MHz。当两个性能核心都处于活跃状态时，它们的工作频率提高了 10%，与上一代的 2890MHz 相比，现在都以 3180MHz 运行<ref>{{Cite web |title=Apple's A15 Bionic announcements undersells improvements over A14 |url=https://appleinsider.com/articles/21/10/05/apples-a15-bionic-announcements-undersells-improvements-over-a14 |website=AppleInsider |language=en |access-date=2022-07-21 |archive-date=2022-01-29 |archive-url=https://web.archive.org/web/20220129133043/https://appleinsider.com/articles/21/10/05/apples-a15-bionic-announcements-undersells-improvements-over-a14 |dead-url=no }}</ref><ref>{{Cite web |last=Frumusanu |first=Andrei |title=The Apple A15 SoC Performance Review: Faster & More Efficient |url=https://www.anandtech.com/show/16983/the-apple-a15-soc-performance-review-faster-more-efficient |website=www.anandtech.com |access-date=2022-07-21 |archive-date=2022-07-30 |archive-url=https://web.archive.org/web/20220730063639/https://www.anandtech.com/show/16983/the-apple-a15-soc-performance-review-faster-more-efficient |dead-url=no }}</ref>。” 

A15 包含 150 亿个晶体管，比A14的 118 亿个晶体管数量增加了 27.1%。它包括专用的神经网络硬件，Apple 称之为新的 16 核神经引擎<ref>{{Cite web |last=Shankland |first=Stephen |title=Apple's A15 Bionic chip powers iPhone 13 with 15 billion transistors, new graphics and AI |url=https://www.cnet.com/tech/mobile/apples-a15-bionic-chip-powers-iphone-13-with-15-billion-transistors-new-graphics-and-ai/ |website=CNET |language=en |access-date=2022-07-21 |archive-date=2022-04-02 |archive-url=https://web.archive.org/web/20220402172646/https://www.cnet.com/tech/mobile/apples-a15-bionic-chip-powers-iphone-13-with-15-billion-transistors-new-graphics-and-ai/ |dead-url=no }}</ref>。神经引擎每秒可以执行 15.8 万亿次操作，比 A14 每秒 11 万亿次操作（+ 43%）要快。 A15 还包括一个新的图像处理器(ISP)，具有改进的计算摄影能力<ref>{{Cite web |title=Apple unveils iPhone 13 Pro and iPhone 13 Pro Max — more pro than ever before |url=https://www.apple.com/newsroom/2021/09/apple-unveils-iphone-13-pro-and-iphone-13-pro-max-more-pro-than-ever-before/ |website=Apple Newsroom |language=en-US |access-date=2022-07-21 |archive-date=2021-09-15 |archive-url=https://web.archive.org/web/20210915145506/https://www.apple.com/newsroom/2021/09/apple-unveils-iphone-13-pro-and-iphone-13-pro-max-more-pro-than-ever-before/ |dead-url=no }}</ref>。苹果还通过将系统缓存增加一倍至 32MB 来提高性能<ref name="未命名-rHN9-1">{{Cite web |title=Apple Unveils New A15 Bionic SoC - ExtremeTech |url=https://www.extremetech.com/mobile/327004-apple-unveils-new-a15-bionic-soc |website=www.extremetech.com |access-date=2022-07-21 |archive-date=2022-04-21 |archive-url=https://web.archive.org/web/20220421192042/https://www.extremetech.com/mobile/327004-apple-unveils-new-a15-bionic-soc |dead-url=no }}</ref>。

A15 支持[[HEVC]]和 [[H.264/MPEG-4 AVC|H.264]] 的视频编解码器编码。它支持 HEVC、H.264、MPEG-4 Part 2 和 [[Motion JPEG]] 的解码<ref>{{Cite web |title=iPhone 13 - Technical Specifications |url=https://support.apple.com/kb/SP851?locale=en_US |website=support.apple.com |access-date=2022-07-21 |archive-date=2021-10-27 |archive-url=https://web.archive.org/web/20211027011552/https://support.apple.com/kb/SP851?locale=en_US |dead-url=no }}</ref>。编解码器[[VP8]]和[[VP9]]也得到非官方支持。硬件加速不支持[[AV1]]编解码器。<ref>{{Cite web |title=Apple A10 Fusion - Benchmark, Test und Technische Daten |url=https://www.cpu-monkey.com/de/cpu-apple_a10_fusion |website=www.cpu-monkey.com |language=de |access-date=2022-07-21 |archive-date=2022-07-21 |archive-url=https://web.archive.org/web/20220721073628/https://www.cpu-monkey.com/de/cpu-apple_a10_fusion |dead-url=no }}</ref>

A15 由[[台灣積體電路製造|台积电]]制造，据报道采用其第二代 5 纳米制造工艺 N5P。<ref name="未命名-rHN9-1"/><ref>{{Cite journal |date=2022-07-09 |title=Apple A15 |url=https://en.wikipedia.org/w/index.php?title=Apple_A15&oldid=1097298091 |journal=Wikipedia |language=en}}</ref>