What Is a Favored Core? Intel CPUs With Turbo Boost Max Technology 3.0 Explained

Like we’ve proven with AMD processors, not all CPU cores are created equally, and that applies to Intel’s silicon, too. The silicon wafer fabrication process lends to discrepancies between each core’s voltage, power and thermal characteristics that lead to better performance. These faster cores are identified to the operation system as a favored core.

The term favored core first came with the arrival of Intel’s Broadwell-E line of HEDT (high-end desktop) CPUs in 2016. 

Intel Turbo Boost Max Technology 3.0

Intel Turbo Boost Max Technology 3.0 is a feature used by some Intel CPUs to improve performance of lightly- or single-threaded applications by pushing those workloads to the processor’s two favored (or fastest) cores. Using both hardware and software, Intel claims Turbo Boost Max Technology 3.0 delivers “more than 15% better single-thread performance.” 

Released in September 2019, Intel Turbo Boost Max Technology 3.0 works by using a driver and CPU-stored information to select and move workloads to the processor’s favored cores. 

Windows natively supports this feature, and it’s enabled automatically. You need Windows 10 x65 - RS5 Distortion or later. 

Similarly, CPUs that support Intel Turbo Boost Max Technology 3.0 have the feature enabled in its hardware and p-code. That means you don’t have to activate it in the BIOS or otherwise. Additionally, you can monitor the feature with Intel Extreme Tuning Utility (XTU) software.

According to Intel, the latest version of its Turbo Boost technology allows for “for higher frequencies with single-core turbo” than its predecessor, Intel Turbo Boost Technology 2.0. 

However, the effectiveness of Turbo Boost Max Technology 3.0 can be impacted by the following: 

Your CPU’s active core count 

CPU's temperature

Estimated current and power consumption levels

Workload type

Drive support

Which CPUs Support Intel Turbo Boost Max Technology 3.0? 

Intel Turbo Boost Max Technology 3.0 works with certain Intel Core X-series CPUs on the Intel X299 chipset. 

The following Intel CPUs can direct workloads to a favored CPU core using Intel Turbo Boost Max Technology 3.0:

Intel Core i7-69xx/68xx series 

Intel Core i9-7900X 

Intel Core i9-7920X 

Intel Core i9-7940X 

Intel Core i9-7960X 

Intel Core i9-7980XE

Intel Core i7-7820X 

Intel Core i7-9800X

Intel Core i9-9820X

Intel Core i9-99x0XE

Intel Core i9-99x0X

Intel Xeon E5-1600 v4 series (since CPU socket only)