20 - 30% higher single-threaded performance and 5.5 GHz on all cores: Leak claims AMD Ryzen 7000 CPUs are much more powerful than AMD revealed at Computex 2022

AMD officially announced the Ryzen 7000 “Raphael” desktop CPUs at Computex 2022. While the company didn’t go deep into technical details, it revealed that the Zen 4 will bring a greater than 15% increase in single-threaded performance and a max boost clock north of 5 GHz. Understandably, this angered some fans as these numbers didn’t look enough to compete with Intel’s 13 gen “Raptor Lake” chips. To dispel some of the concerns, AMD’s Robert Hallock went on an interview spree and clarified that the 15% ST increase was a conservative estimate.

But even before Hallock’s clarification, some leakers and analysts didn’t take the performance numbers shown on stage as definite. Tom from the Moore’s Law is Dead YouTube channel called Team Red’s estimates as “sandbagging” and an attempt to keep the actual performance jump a secret.

Tom has now published a video detailing what he believes to be the actual performance numbers. Per his sources, we can expect 20 – 30% higher single-threaded and 30- 45% higher multi-threaded performance with Zen 4 compared to Zen 3. The performance improvement has less to do with the actual IPC gains and more to do with the huge jump in clock speeds.

One MLID source mentions, “in productivity benchmarks, it’s demonstrating 7 – 9% higher IPC than Zen 3 at same clock speeds. This is not 100% confirmed to be the same as heavy compute loads, nor gaming PPC.” When it comes to clock speeds, MLID reports the ST max boost clock to be above 5.6 GHz as a source explains, “To be clear, I have seen samples boosting one core above 5.6 GHz, and 5.5 GHz is easy for some samples to hit with most cores.”

Toms also touched on the yet unannounced Zen 4c and Zen 4 with V-Cache. According to the leaker, Zen 4 with V-Cache is “very unlikely to be ready this year”. He speculates that V-Cache might be coming to Zen 4 in late H1 or middle of 2023 and will bring a 10 – 15% performance increase over the vanilla Zen 4.

For Zen 4c, Tom’s sources claim that it will likely go above 16 cores on AM5 but no immediate launch is on the cards.

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