AMD Ryzen AI 5 330

The AMD Ryzen AI 5 330 is a mid-range mobile processor from the Krackan Point 2 family. The APU integrates 4 CPU cores (1x Zen 5 with up to 4.5 GHz and 3x Zen 5c with less cache and up to 3.4 GHz).

Architecture and features

The Krackan Point family APUs are powered by Zen 5 and Zen 5c microarchitecture cores located in separate clusters, the latter being a slightly slower, smaller and more energy efficient version of the former. One of the differences between Zen 5 and Zen 5c is the size of the cache, the Zen 5 cores have larger caches available.

However, the mobile Zen 5 implementation is reportedly (ChipsAndCheese) is closer to desktop Zen 4 than desktop Zen 5 due to the different cache sizes, large differences in AVX-512 throughput and other factors.

Elsewhere, the Ryzen AI 5 chip supports DDR5-5600 and LPDDR5x-8000 RAM, giving system designers a choice between lower latency and higher throughput. The chip is natively compatible with USB 4 (and therefore Thunderbolt). It has PCIe 4.0 support for a throughput of 1.9 GB/s per lane, just like its 8000 series predecessors. The integrated XDNA 2 NPU, which is much more complex than the first generation XDNA, delivers up to 50 INT8 TOPS for accelerating various AI workloads.

As usual with laptop CPUs, the Ryzen 5 AI chip cannot be replaced by the user as it is soldered-in.

Performance

Due to the Zen 5 architecture and the high clock rates, the CPU performance should be above the old Ryzen 3 7440U.

Graphics

The Radeon 820M is a slimmed-down version of the 840M with only 2 CUs up to 2.8 GHz. The iGPU probably uses the new RDNA 3.5 architecture.

The 4 nm TSMC process with which these CPUs are manufactured ensures above-average energy efficiency.

Benchmarks