Intel Core i9-11900KB Tiger Lake CPU for NUC 11 Extreme has been tested

Published: 12th Jun 2021, 09:33 GMT   Comments

Intel Core i9-11900KB tested

Intel Tiger Lake for the NUC 11 Extreme “Beast Canyon” has been tested in 3DMark.

Looks like someone gained access to this unreleased hybrid of mobile and desktop system from Intel, known as NUC 11 Extreme. One should avoid calling this device a Mini-PC as it is now a much larger system capable of supporting full-length discrete GPUs.

At Computex Intel revealed its Beast Canyon NUC series which is to support 11th Gen Core CPUs. The company did only confirm that H-series SKUs will be used, but as it turned out, the NUC 11 Extreme actually comes with new KB series. Those are mobile Tiger Lake CPUs on the BGA1787 socket designed specifically for such systems.

Tom’s Hardware made a quick comparison between desktop non-K-series SKU (i9-11900) and KB-series. The systems were also equipped with the same GPU (RTX 3060), however, the exact configuration of each system is unknown. This comparison is far from ideal, but it is more than enough to spot major differences between platforms. As it turns out, there aren’t many. It is worth noting that both 11th Gen Core CPUs support PCIe Gen4, so there shouldn’t be a GPU bottleneck here. The KB-equipped NUC features DDR4-3200 memory, but the configuration of 11900-equipped system were not provided by Tom’s Hardware.

Intel Core i9-11900KB (NUC) vs i9-11900 (Desktop)
Core i9-11900KB + GeForce RTX 3060Core i9-11900 + GeForce RTX 306011900KB/11900
Time Spy8,4209,08993%
Time Spy | CPU10,87211,06498%
Time Spy | GPU8,0988,81292%
Fire Strike19,02019,89896%
Fire Strike | GPU20,52322,00293%
Fire Strike | Physics25,57125,260101%
Fire Strike | Combined9,8379,777101%

Intel Core i9-11900KB vs i9-11900, Source: Tom’s Hardware

Overall, Intel introduced as many as four SKUs, ranging from quad-core to octa-core configurations. Interestingly they all feature Thermal Velocity Boost up to 5.3 GHz, which is not available with all Tiger Lake mobile processors. Such a boost is achievable thanks to much higher TDP up to 65W, which is more of a domain of desktop non-K series. It is unclear if all these SKUs will be available with the NUC 11 Extreme or for that matter if they are also coming to other products.

Intel Tiger Lake KB Series
i9-11900KBi7-11700Bi5-11500Bi3-11100B
CodenameTiger Lake (Willow Cove)
Fabrication Node10nm SuperFin
CPU socketFCBGA1787
Cores/Threads8/168/166/124/8
Base Clock3300MHz3200MHz3300MHz3600MHz
Turbo Clock4900MHz4800MHz4600MHz4400MHz
Thermal Velocity Boost5300MHz5300MHz5300MHz5300MHz
Integrated GraphicsIntel UHD Graphics (Gen12)
GPU Base Clock350MHz
GPU Boost Clock1450MHz
L3 cache24MB24MB12MB12MB
TDP55W/65W55W/65W65W65W

Source: 3DMark (#1), (#2) via Tom’s Hardware, Benchleaks




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