Best overall: Microsoft Surface Book 2

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Available in both 13-inch and 15-inch configurations, Microsoft's new Surface Book 2 (starting at about $1,200) is our top choice when it comes to Windows laptops. The modular design allows you to use your laptop as a tablet, and powerful hardware inside, including 8th Gen Intel processors (CPU), up to 16GB of RAM, and dedicated graphics cards (GPU), makes either size a true desktop replacement.

Bottom line: For a powerful desktop replacement with a beautiful display and removable keyboard, you have to go with the Surface Book 2.

One more thing: We've reviewed both the 13-inch and 15-inch Surface Book 2 models.

Why the Surface Book 2 is the best 2-in-1 laptop

Not only is the Surface Book 2 now available in both 13-inch and 15-inch options, it also features updates to the design and powerful internal hardware. The display can still be removed from the keyboard and touchpad, and can still be replaced backwards to sit flat as a complete package. The 13.5-inch display has a 3,000 x 2,000 resolution and a 3:2 aspect ratio, whereas the 15-inch model comes in with a 3,240 x 2,160 resolution.

If you need top performance, the 15-inch model is where you want to look, offering up inside an 8th Gen, quad-core Intel Core i7 CPU, 16GB of DDR3-1866MHz RAM, and a 1TB PCIe solid-state drive (SSD). For gaming or multimedia editing, you can also take advantage of the NVIDIA GTX 1060 GPU with 6GB of GDDR5 VRAM.

Battery life here is impressive; get about 10 hours from the 15-inch model and about 11 hours from the 13-inch model. An IR camera for Windows Hello logins is seated above the display, and the keyboard and touchpad are some of the best around. If you need a true desktop replacement from your Windows laptop, this is it.

Buy Surface Book 2 at Microsoft Store

Best for business: Lenovo Miix 720

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Immediately likened to Microsoft's 2-in-1 golden standard, the Surface Pro, Lenovo's Miix 720 has a similar build, similar performance, but with a cheaper price tag. As the premium product in Lenovo's Miix line of 2-in-1 devices, this device is packing some serious power under the hood. Featuring a up to a 7th generation Intel Core i7 processor, 16GB RAM, 1 TB PCIe SSD storage, and a 12-inch QHD+ display, you can't go wrong with the Lenovo Miix 720 for business-y things. What's more, it also comes with an included Lenovo Pen! Prices start at about $1000.

Best for photography: Surface Pro 2017

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If it wasn't for the Surface Book 2, the Surface Pro 2017 would easily be our pick for best overall 2-in-1 laptop. So instead, we're sliding it under best 2-in-1 for photography, because it kind of is! Featuring an incredible 12-inch 2736 x 1842 3:2 display, 7th gen Intel Core M3, i5 or i7 processors, up to 16GB RAM and 512GB SSD, you can't go wrong with the Surface Pro 2017 for photo editing and more. It's also a great 2-in-1 for web browsing, light video editing, and productivity work if you buy the Microsoft Surface Type cover too. What's more, prices start at about $799, which isn't terrible!

Best for mobility: HP Envy x2 Snapdragon

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If you're looking for a 2-in-1 that's perfect for mobility, you can't go wrong with the HP Enxy x2 Snapdraon. It was built from the ground-up with mobility in mind! Featuring a Qualcomm Snapdragon 835 mobile chipset with always-on connectivity, 4GB or 8GB RAM, and 128GB or 256GB of storage, the HP Envy x2 Snapdragon is excellent for taking on the go. It features a premium, lightweight build, as 12-inch screen, and even includes a dedicated keyboard cover and pen! And with LTE capabilities, you can stay connected no matter where you go. Prices begin at $999.

Best on a budget: ASUS Transformer Mini

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If you love the design of the Surface Pro, you'll love the Transformer Mini from ASUS (about $240). It has the same hinged kickstand to prop up the tablet when the keyboard and touchpad are attached, and it even includes a pen for inking. The 10.1-inch touch display has a 1,280 x 800 resolution, and there's a front-facing webcam tucked in at the top. Inside, get an Intel Atom x5-Z8350 CPU, 4GB of DDR3 RAM, and 64GB of eMMC storage.

Conclusion

We think the Surface Book 2 is the best 2-in-1 laptop you can buy on the market right now. It offers a great selection of options, and is super stylish too. Although it's expensive, you definitely get what you're paying for.

Best Overall: Microsoft Surface Book 2

See at Microsoft

Available in both 13-inch and 15-inch configurations, Microsoft's new Surface Book 2 (starting at about $1,200) is our top choice when it comes to Windows laptops. The modular design allows you to use your laptop as a tablet, and powerful hardware inside, including 8th Gen Intel processors (CPU), up to 16GB of RAM, and dedicated graphics cards (GPU), makes either size a true desktop replacement.

Bottom line: For a powerful desktop replacement with a beautiful display and removable keyboard, you have to go with the Surface Book 2.

One more thing: We've reviewed both the 13-inch and 15-inch Surface Book 2 models.

Updated May 21, 2018: I've refreshed this list with a few new options and categories to ensure you're still getting the best 2-on-1 laptops on offer.