AMD Ryzen AI Max 385 vs Intel Core i9-12900KF Comparison

Head-to-Head Benchmarks

The benchmark data presents a decisive overall victory for the Intel Core i9-12900KF, which claims 15 wins across the head-to-head tests compared to just 2 for the AMD Ryzen AI Max 385. The margin is not subtle in most disciplines, particularly in rendering workloads where the Intel part dominates by a wide margin.

In Cinebench R23 multi-core, the Intel Core i9-12900KF scores 34,420 against the AMD Ryzen AI Max 385’s 15,674, a delta of -54.5% from the AMD chip’s perspective. That is a massive gap, and it repeats across the entire Cinebench suite. The R20 multi-core result shows 14,456 versus 6,583, and the R15 multi-core result shows 3,469 versus 1,579, both with the same -54.5% delta. Single-core Cinebench results follow the same pattern: R23 single-core is 4,859 versus 2,212, R20 single-core is 2,040 versus 929, and R15 single-core is 489 versus 222, all at -54.5% or -54.6%.

The PassMark suite tells a more nuanced story, though the Intel part still wins most of the workloads. In PassMark multi-thread, the Intel chip scores 40,970 against 33,705 for AMD, a -17.7% delta. PassMark integer math is 138,932 versus 107,046 (-23%), and floating-point math is 105,558 versus 71,105 (-32.6%). Data encryption shows 29,502 versus 19,926 (-32.5%), while data compression is 537,785 versus 406,505 (-24.4%). Random string sorting is 57,177 versus 43,725 (-23.5%). PassMark physics goes to Intel at 2,098 versus 1,889 (-10%). Even PassMark single-thread, which is often a tight race, favors Intel at 4,144 versus 4,060, though the delta is a narrow -2%.

The AMD Ryzen AI Max 385 takes its two wins in specific instruction-heavy workloads. PassMark extended instructions shows AMD at 33,873 versus Intel’s 33,779, a tiny 0.3% edge. The more substantial win is in PassMark find prime numbers, where AMD scores 165 versus Intel’s 142, a 16.2% advantage. These are the only two tests where the AMD part comes out ahead, and they are both narrow or specialized workloads.

Where Each One Wins

The Intel Core i9-12900KF is the clear choice for multi-threaded productivity and content creation. Its Cinebench results, which are roughly 120% higher across every version tested, indicate a substantial advantage in rendering tasks that scale with core count and thread count. The 16 cores and 24 threads of the Intel part versus 8 cores and 16 threads for AMD explain much of this gap. The PassMark multi-thread score of 40,970 versus 33,705 reinforces that Intel has the edge in heavily parallel workloads, though the margin there is more moderate at 17.7%.

For data-heavy tasks, Intel also leads. Data compression, encryption, integer math, floating-point math, and random string sorting all favor the Intel chip by margins ranging from 23% to 32.6%. This suggests the Intel part is better suited for file archiving, database operations, and number-crunching applications. Single-thread performance is nearly a tie, with Intel ahead by only 2% in PassMark single-thread, so day-to-day responsiveness is likely similar.

The AMD Ryzen AI Max 385 has a narrow niche where it excels. The 16.2% lead in find prime numbers points to an advantage in workloads that benefit from the Zen 5 architecture’s particular instruction handling. The extended instructions win, though marginal at 0.3%, indicates that the AMD part is at least competitive in SIMD-heavy code. However, these two wins are isolated and do not translate into broader dominance in any major application category.

Architecture Differences

The two processors come from opposite ends of the computing spectrum. The AMD Ryzen AI Max 385 is a mobile part built on TSMC’s 4 nm process, featuring the Zen 5 architecture under the Strix Halo codename. It has 8 cores and 16 threads, with a base clock of 3.60 GHz and a boost clock of 5.00 GHz. The Intel Core i9-12900KF is a desktop part built on Intel’s 10 nm process, using the Alder Lake architecture. It has 16 cores and 24 threads, with a base clock of 3.20 GHz and a boost clock of 5.20 GHz.

Cache configurations are similar in size but differ in structure. Both parts have 80 KB of L1 cache per core. The AMD chip has 1 MB of L2 per core and 32 MB of shared L3 cache, while the Intel chip has 1.25 MB of L2 per core and 30 MB of shared L3 cache. The Intel part has slightly more L2 per core, but the AMD part has a bit more total L3.

Memory support is a major differentiator. The AMD Ryzen AI Max 385 uses LPDDR5X memory in a quad-channel configuration, delivering 256.0 GB/s of bandwidth. It also supports ECC memory. The Intel Core i9-12900KF supports both DDR4 and DDR5 memory in a dual-channel configuration, but the database does not list a memory bandwidth figure for it, and it does not support ECC.

The integrated graphics situation is also stark. The AMD part includes a Radeon 8050S integrated GPU, while the Intel part has no integrated graphics at all, as indicated by the null value for that field. The AMD chip is also a mobile-market part with a 55 W TDP, whereas the Intel chip is a desktop-market part with a 125 W TDP. The Intel part has an unlocked multiplier for overclocking, while the AMD part is locked. PCIe support favors Intel with 20 Gen 4 lanes versus AMD’s 16 Gen 4 lanes.

FAQ

Q: Which processor is faster in Cinebench R23 multi-core?

A: The Intel Core i9-12900KF scores 34,420 compared to the AMD Ryzen AI Max 385’s 15,674, a 54.5% advantage for Intel.

Q: Does the AMD Ryzen AI Max 385 win any benchmark tests?

A: Yes, it wins two tests: PassMark extended instructions at 33,873 versus 33,779 (0.3% edge) and PassMark find prime numbers at 165 versus 142 (16.2% edge).

Q: What is the single-thread performance difference?

A: In PassMark single-thread, the Intel Core i9-12900KF scores 4,144 versus 4,060 for AMD, a narrow 2% lead. In Cinebench R23 single-core, Intel leads by 54.5% at 4,859 versus 2,212.

Q: Which processor has more cores and threads?

A: The Intel Core i9-12900KF has 16 cores and 24 threads, while the AMD Ryzen AI Max 385 has 8 cores and 16 threads.

Q: Does the AMD chip have integrated graphics?

A: Yes, it includes a Radeon 8050S integrated GPU. The Intel Core i9-12900KF has no integrated graphics.

Q: What memory types do they support?

A: The AMD Ryzen AI Max 385 supports LPDDR5X in quad-channel mode with 256.0 GB/s bandwidth and ECC. The Intel Core i9-12900KF supports DDR4 and DDR5 in dual-channel mode without ECC.

The Verdict

The data is unambiguous for users who prioritize raw compute performance. The Intel Core i9-12900KF is the pick for multi-threaded rendering, data processing, and any workload that scales across many cores. Its Cinebench scores are more than double the AMD part’s across R15, R20, and R23, and it holds solid leads in PassMark multi-thread, integer math, floating-point math, and data compression. The 16-core, 24-thread configuration with a 5.20 GHz boost clock gives it a structural advantage that the AMD part cannot overcome in most tests.

The AMD Ryzen AI Max 385 is a mobile processor with a 55 W TDP and a Radeon 8050S integrated GPU, which makes it suitable for systems where power efficiency and integrated graphics matter. Its 256.0 GB/s memory bandwidth and ECC support are notable features. However, benchmark results show it trailing in nearly every measured category. The two wins it records, in prime number finding and extended instructions, are real but narrow. For users who need a compact, integrated-graphics platform with strong memory bandwidth, the AMD part has a role. For users who need maximum processing throughput in a desktop system, the Intel Core i9-12900KF is the clear winner based on the recorded data. Its launch MSRP is $564.