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Raptor Lake Spreads Its Wings to six.0 GHz

Initially teased by Intel CEO Pat Gelsinger throughout their Innovation 2022 opening keynote, Intel has unveiled its extremely anticipated 6 GHz out-of-the-box processor, the Core i9-13900KS. The Core i9-13900KS is a particular, extremely clocked bin of the common i9-13900K, providing the identical 24-core (8P+16E) hybrid structure, however with a powerful P-core most turbo clockspeed of as much as 6 GHz.

Primarily based on Intel’s present Raptor Lake-S desktop silicon, Intel claims that the Core i9-13900KS is the primary desktop processor to succeed in 6 GHz out of the field with out overclocking. With regular chips hitting as much as 5.8GHz, the i9-13900KS is an much more excessive bin of that silicon, with Intel figuring out chips that may run even more durable to make it to six GHz. The trade-off for this further burst of efficiency is that the ability consumption of the chip is even larger than Intel’s ordinary high-end desktop elements, with an official TDP of 150 Watts, and an “excessive” energy profile that goes as excessive as 320 Watts beneath load.

In the meantime, in contrast to most Intel CPU launches, the corporate is losing no time on bringing their new particular version chip to market: the $699 CPU is offered instantly.

Intel Core i9-13900KS: 6 GHz P-Core Turbo For $699

The Core i9-13900KS has been a long-awaited entrant to Intel’s Raptor Lake-S for desktop household, with earlier hints from Intel throughout their Innovation 2022 keynote {that a} 6 GHz out-of-the-box processor was on the horizon for this era. As Intel likes to proclaim, the corporate considers the Core i9-13900KS to be a major milestone for desktop PCs, because of its 6 GHz out-of-the-box P-Core turbo frequency. This makes it one of many quickest desktop x86 processors ever launched, not less than from the attitude of customers who will not have to overclock something to realize these ridiculous core frequencies.

This screenshot is taken straight from Intel’s Core i9-13900KS promotional video

From Intel’s sneak peek video on YouTube which was revealed on January tenth, the Core i9-13900KS seems to have reached 6 GHz on two of the eight efficiency (P) cores, with a clock pace of as much as 5.6 GHz on the remaining six cores, which may be very spectacular, even for the already-capable Raptor Lake silicon. Intel hit 5 GHz on a delivery shopper CPU only a bit beneath three and a half years in the past with the Core i9-9900KS, so this newest push to six GHz has come comparatively shortly in comparison with the general relaxed tempo the x86 CPU frequencies have been shifting at over the past decade or so.

Like its predecessor KS elements, the i9-13900KS is a particular bin of Intel’s present silicon. Judging from end-user studies of overclocking the traditional Core i9-13900K, we’re left with the impression that only a few of these chips might hit 6 GHz with ambient air cooling. So the i9-13900KS seems to be a really skinny bin, although in contrast to the i9-12900KS launch, we have not heard any official statistics from Intel this time round.

After all, with even larger clockspeeds pushing the chip even farther away from the candy spot on the voltage-frequency curve, the ability consumption of this particular version chip has additionally gone up. The bottom TDP (as outlined by Intel) is now 150 Watts, up from 125 W for the common i9-13900K.

Extra attention-grabbing are the PL1 and PL2 energy limits. For his or her newest chief chip, Intel has really created two official energy profiles, which is one thing they’ve by no means completed earlier than. The “base” profile sees each PL1 and PL2 set at 253 Watts; this is similar PL2 (turbo restrict) because the i9-13900K, however PL1, the long-term anticipated regular state energy consumption of a processor, his been boosted considerably from 125 W to the identical 253 W worth. PL1 is generally synonymous with a chip’s official TDP, so I am undecided the 150 W determine has a lot relevance right here.

And for system builders that really wish to throw power effectivity into the wind in favor of peak efficiency, the brand new “Excessive” energy supply profile additional raises each PL1 and PL2 to 320 W, which correlates to an ICCMax present of 400 Amperes. Whereas it (hopefully) should not be needed for the i9-13900KS to hit 6 GHz on its handful of favored cores, the additional energy ought to turn out to be useful for serving to the remaining CPU cores additionally maintain excessive clockspeeds, particularly beneath heavy multi-threaded workloads.

Intel at this level hasn’t specified how the a number of profiles will work (regardless of chips occurring sale in the present day), however between motherboard settings and Intel’s XTU utility, one or each will undoubtedly have entry. In any other case, for the reason that new excessive energy profile is an official profile, Intel has confirmed that their commonplace guarantee covers this larger powered mode.

Intel’s present Intel thirteenth Gen Core i9 Sequence stack stands as follows (as of 01/12/23):

Intel thirteenth Gen Core i9 Sequence: Raptor Lake-S (As of 01/12)
AnandTech Cores
L3 Cache
IGP Base
i9-13900KS 8+16/32 3200 6000 2400 4300 36 770 150 253/320 $699
i9-13900K 8+16/32 3000 5800 2200 4300 36 770 125 253 $589
i9-13900KF 8+16/32 3300 5800 2200 4300 36 125 253 $564
i9-13900 8+16/32 2000 5600 1500 4200 36 770 65 219 $549
i9-13900F 8+16/32 2000 5600 1500 4200 36 65 219 $524
i9-13900T 8+16/32 1100 5300 800 3900 36 770 35 106 $549

Evaluating the Core i9-13900KS particular version processor on to the common Core i9-13900K, nearly each clockspeed worth has been cranked up to a point. Due to the upper TDP, the official base clockspeeds for each the P and E cores are 200MHz larger, bringing them to three.2 GHz and a couple of.4 GHz respectively. In the meantime the very best turbo enhance clockspeed on the P cores is now 6 GHz.

Like the fundamental i9-13900K, it is vital to notice that this isn’t an all-core turbo worth – that’s, not all 8 P cores will hit 6 GHz. As with the 5.8 GHz peak clockspeed on that chip, that is achieved by layering Intel’s Thermal Velocity Enhance (TVB) know-how on high of their Turbo Enhance Max 3.0 know-how. Which to simplify issues, implies that the clockspeed is barely assured to be obtainable on the chip’s favored core pair, and even then solely when the processor is operating cool sufficient that there is sufficient thermal headroom to punch up the ultimate 200MHz to six GHz.

In any other case, the traditional all-core turbo restrict for the remaining P cores is 5.4 GHz, which implies they’ll high out at 5.6 GHz when TVB is offered. In the meantime the E cores get no such love, and their turbo restrict stays at 4.3 GHz, the identical as on the common i9-13900K.

Rounding out the package deal, the Core i9-13900KS presents the identical 36 MB of L3 cache as Intel’s different top-tier Raptor Lake desktop chips. And it is a graphics-enabled SKU, so Intel’s UHD 770 built-in graphics can be found.

Intel hasn’t clarified what number of Core i9-13900KS elements shall be obtainable throughout the lifecycle of Raptor Lake-S. As we have seen with earlier iterations of its KS version SKUs, there are usually a restricted variety of processors produced. Although because the excessive price ticket additionally implies that Intel strikes comparatively few chips general, that is primarily a chance for Intel to point out off with one sooner chip.

Intel Shopper Computing Group (CCG) Supervisor Marcus Kennedy acknowledged that “The Core i9-13900KS continues our thirteenth Gen Intel Core desktop processor household excellence, showcasing the brand new efficiency heights made doable by our efficiency hybrid structure“. He additionally mentioned, “Excessive avid gamers and fanatics can now push their on a regular basis efficiency additional than ever earlier than with the primary desktop processor within the PC business to supply 6.0 GHz speeds at inventory”.

The Intel Core i9-13900KS is that can be purchased now at PC retailers, with an MSRP of $699. Formally, that is $40 cheaper than the earlier Core i9-12900KS, which launched final yr at $739. In any other case, based mostly on present avenue costs, preliminary listings have the chip at nearer to $729, which is $130 greater than the i9-13900K ($599).


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