Hands-on with Apple's new Core i9 iMac 5K with Vega graphics: benchmarks and first impressions

Now that we have a new line of iMacs, we've upgraded the 27-inch iMac 5K with the 8-core i9 Intel processor and the Radeon Pro Vega 48 graphics for ultimate performance. Our first impressions with this new machine are very promising, so let's check out the benchmarks that back them up.