Intel Kaby Lake Review: What optimization can do for a 14nm CPU
There's no die shrink, but Intel's 7th-gen chip brings both a decent performance boost and buttery-smooth support for advanced video playback.
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Intel says you can expect similar results for Google’s VP9 video, too, using the Chrome browser. VP9 is a video codec Google supports, and how it encodes all videos on Youtube. I tried replicating Intel’s tests using Chrome on Youtube but didn’t have the network bandwidth at home to reliably stream two 4K VP9 videos simultaneously (one to each laptop). I see no reason to doubt Intel’s claims, though, as the claim about 10-bit content in HEVC is pretty crystal-clear.
One thing that should be pointed out: 10-bit content is very rare today. One area I think it does matter though, is in HTPC use. If I were building or buying a machine to run my 4K-and-up television, I’d want Kaby Lake over Skylake.
This 1080p HEVC file encoded with 10-bit color depth will drag a Skylake Core i5-6200U to the ground.
Conclusion
In the end, Kaby Lake is a decent step forward. Is it as exciting as reading about a 10nm-based CPU? No. But it does deliver a margin of improvement that’s actually in line with the evolutionary steps that what we’ve seen from the last few generations of chips. Haswell to Broadwell gave us maybe 10 percent. Going from Broadwell to Skylake yielded similar results.
Does it mean dump your Skylake laptop and rush out to buy a Kaby Lake laptop? No, not at all. However, when you’re looking at a 20 to 25 percent difference between Kaby Lake and Broadwell, then you start to wonder. As you get to Haswell, where it probably opens up to 30 to 35 percent, or Ivy Bridge and even Sandy Bridge, then yes, an upgrade would be a game-changer.
Yes, you’d rather be reading about a 10nm CPU, but you build your PC with the chip you have, not the chip you wished you had.
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