Hosted by site sponsor WebMate.
Apple Device Specs > By Processor > Apple S4 Processor
Update Published July 14, 2026
Every Apple device that uses an Apple S4 processor -- also called an Apple S4 CPU (Central Processing Unit) -- is listed below.
Apple first released Apple Watch models that use the Apple S4 processor in 2018 and continued to sell them until 2019.
Click on a specific model for its complete technical specs, configuration options, material finishes, identification details, global prices, and more.
You also may be interested in All Apple Devices By Processor, which includes Apple devices with other processors. For Macs, see All Macs By Processor Type.
Click the triangle to open "Quick Specs" for basic info. Click the name or image for complete specs, configuration options, identification details, full benchmarks, global prices and more. You also can lookup Macs and Apple devices by specific identifiers.
Asterisks indicate that particularly important details are provided on the applicable specs page. Also note that configurations listed are the default or most common; many models have multiple options. Refer to the specs page for full details.
<< Apple Devices By Processor (Main) | Also see: Apple Specs (Main)
Established in 1996, EveryMac.com has been created by experts with decades of experience with Apple hardware. EveryMac.com includes, and always has included, original research incorporating detailed, hands-on inspection of packaging, computers, and devices as well as extensive real-world use. All information is provided in good faith, but no website or person is perfect. Accordingly, EveryMac.com is provided "as is" without warranty of any kind whatsoever. EveryMac.com, and the authors thereof, shall not be held responsible or liable, under any circumstances, for any damages resulting from the use or inability to use the information within. For complete disclaimer and copyright information please read and understand the Terms of Use and the Privacy Policy before using EveryMac.com. Copying, scraping, or use of any content without expressed permission is not allowed. Links to any page are welcomed and appreciated.