AMD's Ryzen AI 9 HX-375 "Strix" APU Impresses in Benchmarks, Outperforms Intel's Core i9-14900HX

AMD Ryzen AI 9 HX 375 "Strix" APU Benchmarked in Geekbench, Scoring Over 15,000 Points in Multi-Score Test

AMD Ryzen AI 9 HX 375 "Strix" APU brings the same configuration as the Ryzen AI 9 HX 370 except for the NPU performance AMD's Strix Point series based on the Zen 5 architecture was launched roughly two months ago, featuring a few SKUs for the premium mobile segment. Up until now the Ryzen AI 9 HX 370 has been the most common SKU in laptops, featuring 12-cores and 24 threads configuration coupled with the Radeon 890M graphics. While the Ryzen AI 9 365 is also being used in a handful of laptops, it's not as widely available as the higher-end model. That said, the recent leak suggests that AMD is supposedly working to equip the upcoming premium laptops with the flagship Strix Point APU i.e., the Ryzen AI 9 HX 375. This SKU was confirmed later in the lineup and has identical specifications to the Ryzen AI 9 HX 370. It was recently seen in the Geekbench results as spotted by the leakier @9550pro, delivering 2864 Points in single-core and 15012 points in multi-core tests. The score is equivalent to the top results of the AMD Ryzen AI 9 HX 370 APU in the Geekbench 6 test but keep in mind that it's not the best way to compare the strength of two processors. It does give us an idea of where the Ryzen AI 9 HX 375 stands and as expected, it won't necessarily provide a noticeable performance improvement. This is due to the same 12-core/24-thread configuration with the same base/boost clock of 3.3/5.1 GHz and the same L2/L3 cache of 12/24 MB. Even the TDP and iGPU are the same as found on the Ryzen AI 9 HX 370. There are 4x Zen 5 and 8x Zen 5c cores present in the APU and a dedicated NPU, which offers 5 TOPS of higher performance than the HX 370. The AMD Ryzen AI 9 HX 375 "Strix" APU is mostly aimed at a higher performance in AI workloads and features 55 TOPS of NPU performance compared to 50 TOPS of the Ryzen AI 9 HX 370. The processor offers a total of 85 TOPS throughput, which is the highest from the Strix Point one can expect. It's unlikely that users will see higher performance in gaming or most productivity workloads as the specifications are unchanged. The Ryzen AI 9 HX 375 will be part of the premium laptops and should be available soon but we don't have the exact date yet.

Ryzen AI 9 HX 375 shines in Geekbench 6 benchmark -- Strix Point has higher single-core performance than Core i9-14900HX but falls behind in muti-core

AMD's flagship Zen 5 mobile CPU beats Raptor Lake Refresh and Meteor Lake. AMD's flagship Ryzen AI 9 HX 375 CPU was benchmarked in Geekbench 6 with potent results. Initially discovered by HXL on X, the Zen 5 CPU's single-core and multi-core results were high enough to outperform most of Intel's fastest mobile CPUs, featuring the same benchmark results as a desktop Core i5-13600K. The HX 375 produced a single-core result of 2,864 points and a multi-core result of 15,012 points on an HP OmniBook Ultra Laptop 14 paired with 32GB of DDR5 memory. The Zen 5 chip's results were good enough to outperform Intel's flagship CPUs from its Meteor Lake lineup and almost good enough to surpass Intel's Raptor Lake Refresh mobile flagship. The Ryzen AI 9 HX 375 was 5% faster than the Core i9-14900HX in Geekbench's single-core benchmark. However, the Core i9-14900HX was 7% faster in the multi-core benchmark. Compared to the Core Ultra 9 185H, the HX 375 lead was much more substantial, 27% faster in the single-core benchmark and 25% faster in the multi-core test. We don't have official Lunar Lake Geekbench 6 benchmarks yet, but based on some leaked results, the flagship 288V appears to do single-core results in the 2,900 range, which would outperform the HX 375 by a couple of percent. However, multi-core results are generally much worse, in the 10,000 - 11,000 range. Regardless, the Ryzen AI HX 375 can, at worst, match the performance of Intel's fastest mobile CPUs and, at best, vastly outperform its primary Intel competitors, Lunar Lake and Meteor Lake, specifically in the multi-core results. For a desktop comparison, the HX 375 matches the Core i5-13600K in terms of multi-core performance and the Core i9-14900 in terms of single-core performance. The Ryzen AI 9 HX 375 is the flagship chip from AMD's Ryzen AI 300 lineup. The chip shares the exact specifications as the HX 370, except for the XDNA2 NPU, which has been improved by 10% and features 55 TOPS of performance rather than 50. Expect to see the Ryzen AI 9 HX 375 inside gaming laptops and mobile workstation devices.

AMD Ryzen AI Max 390 (Zen 5 - Strix Halo) Shows up In Geekbench AI Benchmark

AMD is working on its latest mobile processor lineup, the Strix Halo, under the Ryzen AI Max 300 series. These processors utilize a chiplet-based architecture, incorporating one or two Zen 5 Core Complex Dies (CCDs) similar to those found in the Granite Ridge desktop processors. The design integrates a substantial System on Chip (SoC) die featuring an enlarged integrated GPU (iGPU). This configuration allows AMD to equip the Strix Halo processors with up to 16 Zen 5 CPU cores and an iGPU boasting up to 40 RDNA 3.5 compute units, equivalent to 2,560 stream processors. Additionally, the processors support a 256-bit LPDDR5/x memory interface for Unified Memory Architecture (UMA), enhancing data throughput and overall performance. The Strix Halo series is tailored for ultraportable gaming laptops and mobile workstations where minimizing the printed circuit board (PCB) footprint is crucial, and the inclusion of a discrete GPU is not feasible. For high-performance gaming notebooks that require discrete GPUs, AMD is developing the Fire Range processor. This processor is essentially a mobile Ball Grid Array (BGA) variant of the Granite Ridge and serves as the successor to the Ryzen 7045 series Dragon Range. The Ryzen AI Max series includes three models differentiated by their CPU and iGPU compute unit (CU) counts: the Ryzen AI Max 395+ featuring 16 cores and 32 threads with 40 CUs, the Ryzen AI Max 390 with 12 cores and 24 threads paired with 40 CUs, and the Ryzen AI Max 385 offering 8 cores and 16 threads alongside 32 CUs. An engineering sample of the Ryzen AI Max 390 has been identified in the Geekbench AI benchmark online database, indicating the processor's specifications and performance metrics. Benchmark analysis from Geekbench AI reveals that the engineering sample labeled "AMD Eng Sample: 100-000001421-50_Y," affiliated to the Ryzen AI Max 390, operates at a base frequency of 3.20 GHz and can boost up to 5.00 GHz. This sample was tested within a prototype HP ZBook Ultra 14 G1a mobile workstation equipped with 64 GB of memory. The processor achieved a single-precision score of 4,733 points, a half-precision score of 4,944 points, and a quantized score of 13,944 points. These results indicate a performance difference of approximately 60% compared to the desktop Ryzen 9 9900X processor. Several factors may contribute to this discrepancy, including the Balanced power plan used during testing and the utilization of 256-bit AVX2 SIMD instructions instead of the more advanced AVX512. The Zen 5 cores in the Strix Halo retain the full 512-bit floating-point (FP) data paths from Granite Ridge and EPYC Turin, unlike those in the Strix Point monolithic silicon, which are limited to dual-pumped 256-bit FP data paths even when executing AVX512 or Vector Neural Network Instructions (VNNI). Consequently, AI benchmarks leveraging AVX512/VNNI may produce varying outcomes. Additionally, as the current data pertains to an engineering sample, there is a possibility that AMD may intentionally limit its performance before the final retail release. Sources: Geekbench Browser