10 PCWorld NOVEMBER 2020NEWS ZEN 3-BASED RYZEN^9
> Ryzen 7 5800X: 8 cores, 16 threads,
4.7GHz boost, 3.8GHz base, 105-watt TDP,
$
> Ryzen 5 5600X: 6 cores, 12 threads,
4.6GHz boost, 3.7GHz base, 65-watt TDP,
$Although the chips
are built on the same
TSMC 7nm process as
the Ryzen 3000-series,
AMD said it has
squeezed more boost
clocks plus an
impressive 19 percent
more instructions-per-
clock efficiency out of
the new cores in
testing against the
previous Zen 2 cores. The company cited
improvements such as cache, execution,
branch prediction, and load/store for upping
the efficiency overall.
The other gain comes from the design of
the Ryzen 5000 chips. AMD’s previous Ryzen