One of the most common questions we get when custom configuring a PC for a customer is which platform they should go with — Xeon or i7. This equates to free power and more value, a feature that Xeons do not have. For example an 8-core ik running at 3. On board graphics — Aside from the new F skus, Core i7 and i5 processors all come with onboard graphics, meaning a discrete video card is not required for video display, whereas Xeon processor-based PCs cannot be configured without discrete video.
Though we recommend a discrete card for anything beyond the most casual gaming or video work, on board graphics are suitable for many home office uses. What is Android? What is IPS? What is Apple TV? What is a Smartphone? What is a Tech Stack? What is Java? What is Linux? What is Microsoft Sharepoint?
What is overclocking? What is SMS? What is Twitter? What is VR Gaming? What VR Accessories should I buy? Which Lenovo tablet has the best battery life? Intel Core i7 vs. Intel Xeon in mobile workstations So you've decided you need the extra computing power, memory and other features of a workstation. No overclocking Unlike with the Core i7, the Xeon processor does not have the option to be overclocked.
The clock rates are unable to be boosted from the base clock rate. So, should you go with a Core i7 or Xeon processor? It really comes down to what you are using your system for. If you are planning on using your system for gaming, home or business use, the i7 will be the better option for you. However, if you are looking for a high-powered system to run video rendering or 3D software, you may want to look into getting a Xeon. Any new i7 purchased, even including the Extreme edition, will not have support for ECC memory.
In addition to what has been mentioned: Some of the Xeon's also support a couple advanced processor features that the desktop iX processors do not. Most of these however are only relevant and useful in scientific and advanced computing needed in workstations, massive multi-processor machines, and CPU intensive applications.
Advanced power management and thermal properties are essential to high performance computing and servers. In this market, electricity and cooling are significant costs. This is just one example. Much larger caches on Xeon where the number of cores are roughly equal. Although the L3 shared cache on the top of the line 10 core xeon is a whopping 30MB.
You generally wouldn't see these features used on a desktop machine so you can see Xeon's are geared towards servers or machines with special requirements. The core i series parts and the xeon parts start from the same basic designs but intel cripples them differently. Desktop parts core i series don't support ECC ram and don't support multi-socket. They may or may not support overclocking. They usually don't support overclocking. They usually cost more for a given clockspeed. They usually have more cache than desktop parts.
They may or may not support multi-socket. In general the xeons aren't much if at all better than the desktop parts in desktop workloads. Desktop workloads don't benefit that much from more cores, more cache, or crazy ammounts of ram they do best with a relatively small number of high-clocked cores.
As to why apple are putting xeons in their laptops I don't know. Maybe they are hoping that people with more money than sense will think xeons are cool. Maybe they think there are some pro workloads that will benefit from the extra cache.
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