Sadly there's no inbuilt Wi-Fi on the P7800, with Nikon still insisting consumers purchase an extra Wi-Fi and GPS module. There are some scene modes though, and a few special effects to choose from. If you want to create a panoramic image, you'll find this hidden away in one of the scene options, but at least it is available, unlike on the G16. Both of the cameras have a hotshoe, which means you can attach external accessories, such as flashguns.
Winner: Canon G16
Canon G16 vs Nikon P7800: Price
At £489/$489, the G16 is a significant investment, costing more than an entry-level DSLR. However, you do get maximum flexibility, full manual control, raw shooting and a pocketable device, making this an excellent second camera. It's a touch more expensive than the P7800 in the UK, so if you're on a tighter budget, perhaps look to the Nikon.
In the US, these cameras are the same price. Both offer a lot for your money, despite the high price tag. Bear in mind though, that you will have to pay extra for a Wi-Fi module for the Nikon P7800 if you need it.
It's also worth noting that both of these cameras are significantly cheaper than the Sony RX100 II, which is huge competition in this segment of the market.
It's a tough call choosing between these two cameras. Ultimately it may come down to brand preference or how much you need Wi-Fi or an articulated screen. Overall, we think the G16 offers more value for money, with a better lens and a more pocketable body size. That said, the Sony RX100 II is also definitely worthy of a look, as it has a larger sensor but a comparable body size.
Winner: Canon G16
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Amy has been writing about cameras, photography and associated tech since 2009. Amy was once part of the photography testing team for Future Publishing working across TechRadar, Digital Camera, PhotoPlus, N Photo and Photography Week. For her photography, she has won awards and has been exhibited. She often partakes in unusual projects - including one intense year where she used a different camera every single day. Amy is currently the Features Editor at Amateur Photographer magazine, and in her increasingly little spare time works across a number of high-profile publications including Wired, Stuff, Digital Camera World, Expert Reviews, and just a little off-tangent, PetsRadar.