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this is ggmania.com subsite Intel 10th Generation Comet Lake Desktop Processors and 400-Series - TechAmok

Intel 10th Generation Comet Lake Desktop Processors and 400-Series - [hardware]
06:26 PM EDT - May,02 2020 - (1 comments)

Intel has launched its 10th generation Core desktop processor family and its companion Intel 400-series chipsets. Based on the 14 nm++ silicon fabrication process and built in the new LGA1200 package, the processors are based on the 'Comet Lake' microarchitecture. These chips, which fall under the banner of 'Comet Lake', will now go up to 10 cores and offer turbo speeds up to 5.3 GHz. Comet Lake is the fifth iteration of Intel's very profitable Skylake microarchitecture, built on Intel's 14++nm process, at a time when the competition is on 7nm with sixteen cores. The crux, according to Intel, is that it will offer the best gaming experience in this market.

Users wanting the 10-core 5.3 GHz will need to purchase the new top Core i9-10900K processor, which has a unit price of $488, and keep it under 70 degrees C to enable Intel's new Thermal Velocity Boost. Not only that, despite the 125 W TDP listed on the box, Intel states that the turbo power recommendation is 250 W - the motherboard manufacturers to have prepared for 320-350 W from their own testing, in order to maintain that top turbo for as long as possible.

The range of 32 (!) new processors from Intel will vary from two core Celeron parts at 35 W all the way up to ten-core Core i9 hardware rated for 125 W, with per-unit pricing from $42 to $488. The standard rated TDP is 65 W, with the overclocked models at 125 W, the low-power T models at 35 W, and Pentium/Celeron at 58 W. All of the Core i3, i5, i7, and i9 processors will have HyperThreading, making the product stack a lot easier to understand. Certain models will also have F variants without integrated graphics, which will have a slightly lower per-unit cost.

Users looking for 8 cores and up will be in the $300 bracket. All of these processors support dual channel DDR4-2933, while others lower in the stack only support DDR4-2666 officially. Intel has increased the amount of features on the chips with respect to how turbo performs.

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(06:36 PM EDT - May,02 2020) - admin
What's Really New
As we explained earlier, the core IPC of the 10th generation "Comet Lake" microarchitecture is unchanged from the previous generation, much of Intel's innovation is focused on getting the most out of their existing core design. The following is a list of what's really new:

HyperThreading across the board: Intel extended HyperThreading to be available across most of their product line. HT was originally reserved for only top-tier parts, but can now be found on the Core i9, Core i7, Core i5, Core i3, and Pentium Gold parts. SMT is a proven way to dial up multi-threaded application performance by leveraging idle hardware resources in a CPU core, and brings about tangible multi-threaded performance uplifts.
Up to Three Different Boosting Algorithms: Intel has up to three different clock speed boosting algorithms deployed on various SKUs in the series:
Turbo Boost 2.0: This is the most basic boosting technology, available across all 10th gen Core i9, Core i7, Core i5, and Core i3 SKUs
Turbo Boost MAX 3.0: Carried over from the Core X HEDT processor family, Turbo Boost Max 3.0 is now available on 10th Gen Core i9 and Core i7 SKUs, enabling higher notches of clock speed than Turbo Boost 2.0, and it also adds "Favored Cores". This makes the operating system aware the two physically-best cores, which can sustain higher boost frequencies better than the rest of the CPU. The goal is to have the OS scheduler prioritize running workloads on these cores, so they can run faster. Windows 10 has had Favored Core awareness since 1609, and Linux x64 kernels since January 2018 have supported it.
Thermal Velocity Boost: Carried over from its 9th and 10th generation Core mobile processors, Thermal Velocity Boost is available to 10th generation Core i9 SKUs. The feature enables clock boost speeds even higher than Turbo Boost MAX 3.0, in short bursts, provided your processor's cooling solution is able to consistently keep temperatures below a threshold, and provided a few power targets are met. We confirmed with Intel that for the 10th gen desktop chips, this threshold is set at 70 C (for the mobile parts it is 65 C).
New Core and Memory overclocking features, including:
The ability to enable or disable HyperThreading for individual cores. Until now, you could disable or enable HTT only globally. This comes as a boon for gamers who want to set a few of their cores without HTT, and a few with HTT for streaming applications
Enhanced, finer grained voltage/frequency curve controls. Intel is launching a major update to XTU alongside these processors, which lets you set the voltage at individual frequencies, for much finer control of overclocking parameters. This technique was pioneered by GPU vendors and helps reduce power in situations when the CPU is not running at highest frequency. Traditionally you could either program a voltage offset that shifts the whole V-F curve in one direction, or program an override voltage that runs the CPU at the same voltage all the time, wasting tons of energy in the process. Now you may change the shape of the curve, too: undervolt when idle or lightly loaded, but higher voltage when loaded, to reach higher overclocking? It's possible now.
The ability to overclock the PCI-Express 3.0 x16 graphics bus (PEG), and DMI chipset-bus. We're not entirely sure how this is accomplished. Both are PCIe-based interfaces, which can only tolerate a few MHz clock variance for high-bandwidth devices such as GPUs. We asked Intel how this works, and they confirmed that "DMI and PCIe are linked. By overclocking one, you are overclocking the other".
Physical, packaging improvements: Intel made some improvements to the processor package with an aim of improving heat transfer between the die and the cooling solution. Without changing the Z-height of the package, Intel found a way to thicken the copper IHS, by thinning the silicon die (from 800 m down to 500 m; and the fiberglass substrate. Soldered TIM (STIM) sits between the die and the IHS. This should improve heat transfer significantly, as silicon is a thermal insulator, whereas the copper IHS is highly conductive.
Native support for DDR4-2933 and higher memory clocks across the board: up to DDR4-4000 for two dual-rank modules, over DDR4-4800 for two single-rank modules, and beyond DDR4-5000 for one single-rank module.

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