The upcoming Ryzen 5 3600XT and Ryzen 9 3900XT processors have been spotted in the 3DMark database, reaching their advertised boost clocks. A 3DMark Time Spy score using the 3900XT was also found, giving us a glimpse of what we might expect from the 12-core processor.
As per the tweets from @TUM_APISAK, the database entries for the Ryzen 5 3600XT and Ryzen 9 3900XT show these processors hitting and actually exceeding their advertised boost clocks. This is relatively significant as it has proved uncommon for most Ryzen 3000 processors to hit their rated boost clocks, apart from on a single core.
4,740 MHz (3,800 MHz)
CPU Score 12913
— APISAK (@TUM_APISAK) June 22, 2020
As per the entries, the 6-core Ryzen 5 3600XT was hitting 4.6GHz, which is 100MHz higher than the chip's advertised boost clock of 4.5GHz. The 12-core Ryzen 9 3900XT was also running 100MHz faster than its rated boost clock, reaching 4.8GHz. That being said, it's hard to tell if these chips were manually overclocked or if that is out of the box behaviour.
@TUM_APISAK also shared a 3DMark result from a Ryzen 9 3900XT hitting a boost clock of 4740MHz, resulting in a Time Spy score of 12913. This is roughly 6% higher than what we'd expect from a 3900X, though scores can fluctuate in 3DMark testing. We will have to wait for launch day reviews to get a full look at the CPUs' performance and boost clocks.
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KitGuru says: What do you think about the Ryzen 3900XT score in 3DMark Time Spy? Are you considering buying one of the upcoming Ryzen 3000 XT processors?