AMD Ryzen AI Max+ 392 vs Intel Core 9 270H Comparison

FAQ

Q: How do the two processors compare in overall benchmark averages?

A: The AMD Ryzen AI Max+ 392 records an average benchmark score of 90541, placing it in the 96th percentile of all CPUs. The Intel Core 9 270H averages 38335, which places it in the 86th percentile. The AMD part sits roughly 136% higher in average score.

Q: Which processor wins the most head-to-head benchmark comparisons?

A: The AMD Ryzen AI Max+ 392 takes 9 of the 11 head-to-head tests recorded in the database. The Intel Core 9 270H wins only 2, both of which are the single-thread PassMark tests.

Q: What is the single-thread performance difference?

A: The Intel Core 9 270H scores 3944 in PassMark single-thread tests, while the AMD Ryzen AI Max+ 392 scores 3927. That is a 0.4% advantage for Intel, the narrowest margin across all compared tests.

Q: How large is the multi-thread performance gap?

A: In PassMark multithread testing, the AMD Ryzen AI Max+ 392 scores 45231 against 28764 for the Intel Core 9 270H. That translates to a 57.2% advantage for the AMD processor.

Q: Which processor has the larger L3 cache?

A: The AMD Ryzen AI Max+ 392 has 64 MB of shared L3 cache. The Intel Core 9 270H has 24 MB of shared L3 cache. The AMD part also has a smaller per-core L2 cache at 1 MB per core versus 2 MB per core for Intel.

Q: Do both processors support ECC memory?

A: No. The AMD Ryzen AI Max+ 392 supports ECC memory. The Intel Core 9 270H does not list ECC memory support.

Architecture Differences

The AMD Ryzen AI Max+ 392 and Intel Core 9 270H come from fundamentally different design lineages. The AMD chip is built on the Zen 5 architecture with the Strix Halo codename, fabricated on a 4 nm process at TSMC. The Intel part uses the Raptor Lake architecture with the Raptor Lake-H codename, built on a 10 nm process at Intel's own foundry. The process node difference is substantial: 4 nm versus 10 nm, which partly explains the AMD chip's efficiency characteristics as recorded in the database.

Core configuration also diverges sharply. The AMD processor packs 12 cores and 24 threads, relying on simultaneous multithreading to reach that thread count. The Intel processor has 14 cores but only 20 threads, a configuration that reflects the hybrid core design common to Raptor Lake parts. Neither processor has an unlocked multiplier, so both ship with fixed overclocking capabilities.

Cache hierarchies differ in structure. Both allocate 80 KB of L1 cache per core, but the L2 allocation splits: AMD uses 1 MB per core, Intel uses 2 MB per core. The shared L3 cache tells a different story, with AMD's 64 MB dwarfing Intel's 24 MB. That 40 MB difference in last-level cache could influence workloads that repeatedly access large working sets.

Memory support highlights another architectural split. The AMD Ryzen AI Max+ 392 uses LPDDR5X memory over a quad-channel bus, delivering a recorded memory bandwidth of 256.0 GB/s. The Intel Core 9 270H supports both DDR4 and DDR5 over a dual-channel bus, and the database lists no specific bandwidth figure for it. The AMD part also enables ECC memory, a feature absent from the Intel chip's specification.

PCIe connectivity differs in both generation and lane count. The AMD processor provides Gen 4 with 16 CPU lanes. The Intel processor provides Gen 5 with 8 CPU lanes. That means Intel offers a newer PCIe generation but half the lane count, which affects how many high-speed devices can connect simultaneously.

Integrated graphics also separate the two. The AMD chip carries the Radeon 8060S, while the Intel chip uses Iris Xe Graphics with 96 execution units. Both target the mobile market segment and both are listed as active production parts. The release dates show the AMD part arriving on 2026-01-05, while the Intel part launched earlier on 2024-12-17.

Head-to-Head Benchmarks

The database records 11 head-to-head PassMark comparisons between these two processors. The AMD Ryzen AI Max+ 392 dominates in nine of them, often by wide margins. The largest single delta appears in PassMark find prime numbers, where AMD scores 320 against Intel's 112, a 185.7% advantage. That workload stresses integer recursion and branch prediction, and the Zen 5 architecture handles it decisively.

Extended instruction testing shows a 127.4% gap. AMD scores 45666, Intel scores 20079. This test exercises SIMD and cryptographic instruction extensions, and the 4 nm Zen 5 implementation appears to execute these operations far more efficiently than the 10 nm Raptor Lake design. Data compression follows a similar pattern: AMD at 554760 versus Intel at 333785, a 66.2% delta. Random string sorting, another memory-heavy workload, gives AMD a 61.4% advantage with scores of 59487 and 36867.

Integer math results favor AMD by 56.1%, with scores of 152414 and 97654. Floating-point math shows a 40.9% gap, AMD at 99548 and Intel at 70640. The multithread PassMark test, which scales with core count and memory bandwidth, delivers a 57.2% win for AMD at 45231 versus 28764. Data encryption yields a 43.4% margin, AMD at 27784 against Intel's 19369. Physics simulation, a test that often benefits from strong memory throughput, sees AMD win by 46.8% with scores of 2887 and 1966.

The Intel Core 9 270H claims only the two single-thread tests. Both PassMark single-thread and single-thread duplicate records show Intel at 3944 and AMD at 3927, a 0.4% edge. That is a remarkably close result. The Intel chip's higher boost clock of 5.80 GHz compared to AMD's 5.00 GHz likely explains the narrow win, but the margin is small enough that run-to-run variance could plausibly flip the result. The AMD chip's single-thread score still lands within 0.4% despite a 0.80 GHz lower boost clock, which suggests the Zen 5 architecture extracts more instructions per cycle at matched frequencies.

Specification Differences

The two processors differ across nearly every major specification field. The AMD Ryzen AI Max+ 392 uses 12 cores and 24 threads; the Intel Core 9 270H uses 14 cores and 20 threads. Base clocks differ, with AMD at 3.20 GHz and Intel at 2.70 GHz. Boost clocks reverse the order, with AMD at 5.00 GHz and Intel at 5.80 GHz.

Thermal design power separates them by 10 watts. The AMD part carries a 55 watt TDP, the Intel part a 45 watt TDP. The AMD chip's higher TDP aligns with its higher base clock and larger L3 cache. Socket types are incompatible: AMD uses AMD Socket FP11, Intel uses Intel BGA 1744.

Process technology differs as noted: 4 nm TSMC for AMD, 10 nm Intel for the Core 9 270H. Die size data exists only for the AMD part, listed as 2x 70.6 mm². The Intel die size is not recorded in the database.

Memory channels and types diverge completely. AMD supports LPDDR5X with a quad-channel bus and 256.0 GB/s bandwidth. Intel supports DDR4 and DDR5 with a dual-channel bus and no recorded bandwidth figure. ECC support is present on AMD, absent on Intel.

PCIe configuration differs in generation and lane count: AMD provides Gen 4 with 16 lanes, Intel provides Gen 5 with 8 lanes. Integrated graphics differ as well, with AMD's Radeon 8060S against Intel's Iris Xe Graphics 96EU. The Intel part has a recorded launch MSRP of $697, while the AMD part has no launch MSRP listed.

Release dates place Intel first, with the Core 9 270H appearing on 2024-12-17. The AMD Ryzen AI Max+ 392 followed on 2026-01-05. Both remain active production parts. Neither has an unlocked multiplier.

Where Each One Wins

The AMD Ryzen AI Max+ 392 wins in every heavily multithreaded category. The multithread PassMark score of 45231 versus 28764 indicates a 57.2% advantage that should translate to rendering, compilation, and other parallel workloads. Data compression, encryption, extended instructions, integer math, floating-point math, physics simulation, and random string sorting all favor AMD by margins between 40.9% and 185.7%. The 64 MB L3 cache and 256.0 GB/s memory bandwidth likely drive many of these wins, particularly string sorting and compression, which depend on rapid data movement.

The Intel Core 9 270H wins only the single-thread tests, and only by 0.4%. That narrow margin suggests the Intel chip holds a slight edge in lightly threaded applications that respond to raw boost clock, which sits at 5.80 GHz compared to AMD's 5.00 GHz. However, the practical significance of a 0.4% single-thread advantage is minimal in real-world use, especially since the AMD part trails by such a small amount despite a lower boost clock.

Workloads that stress memory bandwidth strongly favor AMD. The quad-channel LPDDR5X setup with 256.0 GB/s bandwidth provides a structural advantage that the Intel dual-channel DDR4/DDR5 configuration cannot match. The Intel part's Gen 5 PCIe support could benefit workloads that move data to discrete accelerators or storage devices, since Gen 5 doubles the per-lane throughput of Gen 4, but the AMD part offers twice as many lanes.

The Verdict

The benchmark data presents a clear hierarchy. The AMD Ryzen AI Max+ 392 outscores the Intel Core 9 270H in 9 of 11 head-to-head tests, with margins ranging from 40.9% to 185.7%. Its average benchmark score of 90541 places it in the 96th percentile of all CPUs, while the Intel part's 38335 average lands in the 86th percentile. The nearest rivals for the AMD chip include the Intel Xeon 654 at 0.2% lower, the AMD Ryzen 9 9955HX at 0.7% lower, and the Intel Xeon w7-2575X at 2.7% lower. The Intel Core 9 270H's nearest rivals cluster much closer, with the Intel Core Ultra 9 285H at 0.1% higher, the Intel Xeon w3-2525 at 0.1% lower, and the Intel Core i5-13600HX at 0.2% lower.

Users who need sustained multithreaded throughput, large cache capacity, or high memory bandwidth should select the AMD Ryzen AI Max+ 392. The data shows decisive wins in every parallel workload category. Users who prioritize the absolute highest single-thread score should consider the Intel Core 9 270H, but the 0.4% margin provides little practical benefit. The Intel part's launch MSRP of $697 appears in the database, while the AMD part has no recorded launch MSRP, so direct price comparison is not possible from the recorded data. The AMD processor also offers ECC memory support, a feature absent from the Intel chip, which matters for data integrity in compute-heavy mobile workloads. The Intel chip's advantage in PCIe generation does not overcome its deficit in lane count or memory bandwidth. Based strictly on the recorded measurements, the AMD Ryzen AI Max+ 392 is the higher-performing mobile processor.