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missed_sla

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  1. https://en.wikichip.org/wiki/intel/xeon_w/w-3223 Except Intel's spec page shows 8 MB of L2 cache and 16.5 MB of L3 cache. Total is 24.5 MB. Apple's spec page shows 24.5 MB of cache.
  2. Haven't had the chance to watch the hands-on video yet, but I saw the reaction video. To my knowledge, the CPU used is not an LGA-2066 Skylake. It's supposed to be an LGA-3647 Cascade lake. Probably the W-3223, if their spec of 3.5 GHz is accurate. Which honestly makes it worse for the price, because a W-2145 is close to $1200, but the W-3223 is reported to cost $749. https://fuse.wikichip.org/news/2400/intel-rolls-out-cascade-lake-xeon-w-processors/ The W-3225 is closer to the price of the W-2145, but that brings me to a question of why an extra 0.2 GHz in base clock is worth nearly double the price. The whole thing brings me to the question of why Apple chose the Xeon at all, given the massive price advantage of Threadripper. My guess is it's either contractually required to use Intel, or they're designing for AVX-512 workloads.
  3. In order to improve the customer experience, they're going to add a feature that isn't ready for use and raising prices by 20%. We're gonna be super angry. Oh wait.
  4. DDR4 memory at 2133 MHz has 25.6 GB/sec of bandwidth available, and that's peasant tier memory like I run. The fastest USB spec available today, 3.2, has 2.5 GB/sec of bandwidth available. To approach the bandwidth available to a memory interface, you'd be looking at Infiniband connections, which in terms of cost are priced at "if you have to ask, you can't afford it and probably don't need it." Honestly, if a computer is so cheap and slow that the memory is an issue, and it can't be upgraded, it's time to chuck it and buy something else. Or give Lubuntu a try.
  5. Worth mentioning that the R9 Fury is a 275 watt card, and the RX 570 is 120 watts. That's a huge difference, and a cheap power supply is going to have a very hard time with the Fury.
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