Lenovo overtook Hewlett-Packard to become the world's largest personal computer maker, in terms of shipment, in the second quarter, according to IDC and Gartner.

The Chinese PC maker shipped at least 12.6 million PCs while HP delivered about 12.4 million, data from the two consultancies showed.

Lenovo grabbed 16.7 percent of the worldwide market share by the end of June, passing HP, which controls 16.4 percent.

However, regional results for Lenovo are mixed.

It's business in the Americas, Europe and the Middle East saw steady growth while Asia-Pacific business declined, according to IDC.

In addition, worldwide PC shipments slumped by 10.9 percent year-on-year in the second quarter, representing the fifth consecutive quarter of declining in shipments, warned Gartner.

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