Apple shipped an estimated 5.1 million Macs during the quarter, up from 5.3 million in the third quarter of 2018, down 3.7 percent from deliveries. Apple's market share also fell slightly from 7.9 percent to 7.5 percent.
Apple continues to be the world's fourth largest PC vendor, ranking behind Lenovo, HP and Dell, but ahead of Acer and Asus , Lenovo was the largest supplier in the quarter, delivering an estimated 1
HP finished second with 15.3 million PCs delivered and a 22.4 percent market share, while Dell ranked third with 11.3 million PCs delivered and a 16.6 percent market share. Acer delivered 4.2 million PCs for 6.2 percent market share, while ASUS shipped 3.8 million PCs for 6.5 percent market share.
Apple's Market Share Trend: 1Q06-3Q19 (Gartner)
Apple's decline in Mac sales follows the revival of MacBook Air and MacBook Pro product lines this year however as an iMac. Mac Pro and iMac Pro will continue to run without updating. Apple plans to release an updated "Mac Pro" sometime this year.
The decline in Mac sales is due to a slight increase in the global PC market overall. In total, 68.1 million PCs were delivered in the quarter, an increase of 1.1 percent over the third quarter of 2018.
Apple reported a slight growth in Mac shipments in the US in the third quarter of 2019. Apple delivered a total of 2.186 million Macs in the third quarter of 2018, up 0.2 percent from 2.182.
HP was the leading PC vendor in the US, shipping 4, 4 million PCs. Dell took second place with 4 million PCs delivered, while Lenovo took third place with 2.2 million PCs delivered. Microsoft and Acer followed Apple in the US.
IDC also released its own shipping estimates this afternoon, noting that Apple saw an even stronger decline in sales. According to IDC, Apple shipped 5 million Macs in the quarter, down from 5.3 million, a decrease of 6.1 percent.
In the IDC ranking, Apple is under Lenovo, HP and Dell, making it the world's fourth largest PC vendor, which took fifth place last year. IDC data also point to a 3 percent global PC market growth over Gartner's 1.1 percent growth.
Apple saw some growth in Mac sales next year following the release of the new "Mac Pro" and rumors of a new 16-inch MacBook Pro.
It is important to note that Gartner and IDC data are estimates based. While Apple has previously indicated certain breakdowns of Mac sales, the company is no longer doing so and there will be no way to confirm future shipping estimates.