Apple Inc. on June 5 unveiled an update to its iMac desktop and MacBook laptop product lines.

The refreshed devices, available to order online immediately and in Apple stores on June 7, feature faster processors and storage, brighter displays, and more powerful graphics than earlier generations, the company said.

The new iMac, starting from $1,299 for a 21.5-inch device, features Kaby Lake processors with up to 4.2 GHz, or 4.5 GHz with Turbo Boost, and Radeon Pro 500-series graphics with up to 8GB of vRAM. The company estimated devices should be two to three times faster than earlier models and also significantly brighter.

The refreshed MacBook has Kaby Lake processors with up to 1.3 GHz Core i7, or 3.6 GHz with Turbo Boost. The 13-inch MacBook Pro version includes Kaby Lake processors with up to 3.5 GHz Core i7, or 4.0 GHz with Turbo Boost. The company also updated its 13-inch MacBook Air with a 1.8 GHz processor.

The new iMac Pro workstation will start shipping in December from $4,999. It sports a 27-inch Retina 5K display with up to 18-core Xeon processors and up to 22 Teraflops of graphics computation. The new iMac Pro will support up to 4 TB of solid-state drive and up to 128 GB of error-correcting code memory and can connect to up to two 5K displays at the same time. The iMac Pro also features 10 GB Ethernet.