AMD Strix Point “Ryzen AI 9 365” APU Benchmarks Revealed Zen 5’s IPC, Latency, Throughput & Various Performance Aspects

wccftech.com:

AMD's Strix Point "Ryzen AI 9 365" Zen 5 APU has reportedly been tested by David Huang, who has an in-depth analysis of the IPC, latency & performance.

AMD Ryzen AI 9 365 "Strix Point" APU Gets Tested In A Multitude of Benchmarks Ahead of Launch, Zen 5's IPC, Throughput, Latency & More Detailed

Note - David Huang's blog states that the numbers mentioned here are based on an engineering sample of the AMD Strix Point APU, mainly the Ryzen AI 9 365, so take these with a grain of salt as these may not be representative of the final product. He also explicitly states that the test system was running unofficial system firmware/software.

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To start, David got access to an early AMD Strix Point laptop which reportedly features the Ryzen AI 9 365 SKU. The test platform made use of LPDDR5x-7500 memory in 32 GB capacities. The primary focus of today's test is on the IPC and Throughput which starts with the InstructionRate Tool to measure the instruction throughput/latency of three generations of Zen CPUs including the Zen 3, Zen 4, and Zen 5 architectures.

David lists that while Zen 5 has improvements thanks to its ground-up design, the architecture also has a few downsides which are as below:

• The throughput of various scalar ALU instructions has been greatly increased, but because the number of vector units in the mobile Zen 5 is halved compared to desktop and server, the SIMD throughput in this test remains unchanged compared to Zen 4. Even on the Zen 5 core with halved vector units, SIMD store operations of all widths are still doubled compared to the previous generation, and the SIMD load store throughput reaches 1:1;
• The branch processing capability has been greatly enhanced, with the number of non-taken branches that can be processed per cycle increased from two to three, and two taken branches can be processed per