AMD Ryzen AI Max+ 392 vs Intel Core Ultra 9 285T Comparison

The AMD Ryzen AI Max+ 392 and Intel Core Ultra 9 285T are two very different processors, one built for mobile power and the other for desktop efficiency. The benchmark data reveals a clear split: the AMD part dominates in data-heavy and multi-threaded workloads, while the Intel chip takes the lead in single-threaded and floating-point tasks. The head-to-head results show 6 wins for the AMD Ryzen AI Max+ 392 and 5 wins for the Intel Core Ultra 9 285T, but the margin of victory tells the real story.

Head-to-Head Benchmarks

The largest victory in the entire comparison belongs to the AMD Ryzen AI Max+ 392 in the PassMark extended instructions test. It scores 45,666 against Intel's 27,477, a commanding 66.2% advantage. This indicates a substantial lead in workloads that leverage advanced CPU instruction sets, such as cryptography and certain media codecs.

The AMD chip also shows a massive lead in data compression, scoring 554,760 versus 384,140, a 44.4% difference. This suggests a strong performance in archiving, database operations, and file system tasks. Random string sorting also goes to AMD with a score of 59,487 against 47,695, a 24.7% advantage, reinforcing the pattern of strength in data manipulation workloads.

In integer math, the AMD processor delivers 152,414 points, which is 15.1% ahead of Intel's 132,433. This workload is fundamental to general productivity applications and software compilation. The multi-threaded PassMark score, which reflects overall parallel processing capability, also favors AMD, with 45,231 points against Intel's 39,931, a 13.3% lead. Even in the physics test, AMD edges out a win with 2,887 points versus 2,842, a narrow 1.6% margin.

The Intel Core Ultra 9 285T secures its wins in different areas. Its most significant victory is in floating-point math, where it scores 137,923 against AMD's 99,548, a substantial 27.8% lead. This is a key metric for scientific computing, 3D rendering, and any workload that relies heavily on non-integer arithmetic.

In single-thread performance, the Intel part is clearly superior, scoring 4,576 versus 3,927 in the PassMark single-thread test, a 14.2% advantage. This translates to faster response times in applications that are not well-optimized for multi-core use. The Intel chip also wins in data encryption with a score of 32,061 against 27,784, a 13.3% lead, and in the find prime numbers test with 345 points versus 320, a 7.2% edge.

The average benchmark score for the AMD Ryzen AI Max+ 392 is 90,541, which places it in the 96th percentile of all CPUs in the database. The Intel Core Ultra 9 285T has an average score of 51,310, placing it in the 91st percentile. This difference in average scores is significant, but it is important to note that the AMD part's nearest rivals include server-class Xeon processors, with the Intel Xeon 654 just 0.2% behind, while the Intel chip's closest competitors are other desktop and mobile parts.

Architecture Differences

The two processors are built on fundamentally different architectures and for different segments. The AMD Ryzen AI Max+ 392 uses the Zen 5 architecture under the codename Strix Halo, fabricated on a 4 nm process at TSMC. It is a mobile processor with 12 cores and 24 threads, running on the AMD Socket FP11. The Intel Core Ultra 9 285T uses the Arrow Lake architecture, specifically Arrow Lake-S, on a 3 nm TSMC process, and is a desktop part on Intel Socket 1851 with 24 cores and 24 threads.

The core configurations are a major point of divergence. The AMD chip features 12 cores and 24 threads, relying on simultaneous multithreading to double its thread count. The Intel chip has 24 cores and 24 threads, indicating a hybrid layout of performance and efficiency cores without hyper-threading on the performance cores. This architectural choice explains the different benchmark profiles, with the Intel part's higher core count helping in floating-point and single-thread tests, while AMD's SMT implementation contributes to its multi-threaded and data compression wins.

Cache hierarchies also differ substantially. The AMD processor has 80 KB of L1 cache per core, 1 MB of L2 per core, and a large 64 MB shared L3 cache. The Intel chip features 192 KB of L1 per core, 3 MB of L2 per core, and a smaller 36 MB shared L3 cache. The massive L3 cache on the AMD part is a key factor in its data compression and sorting performance.

Memory support is another differentiator. The AMD Ryzen AI Max+ 392 uses LPDDR5X memory across a quad-channel bus, providing a bandwidth of 256.0 GB/s. The Intel Core Ultra 9 285T uses DDR5 in a dual-channel configuration, with a bandwidth of 102.4 GB/s. This 2.5x difference in memory bandwidth is a critical advantage for the AMD part in memory-intensive workloads.

PCIe support also differs, with the Intel chip offering Gen 5 with 20 lanes versus the AMD chip's Gen 4 with 16 lanes. The integrated graphics are the Radeon 8060S for AMD and the Arc Xe-LPG Graphics 64EU for Intel.

FAQ

Q: Which processor has a higher single-thread performance?

A: The Intel Core Ultra 9 285T is ahead in this area. It scores 4,576 in the PassMark single-thread test, which is 14.2% higher than the AMD Ryzen AI Max+ 392's score of 3,927.

Q: Which chip is better for data compression workloads?

A: The AMD Ryzen AI Max+ 392 is significantly better. Its score of 554,760 in the PassMark data compression test is 44.4% higher than the Intel Core Ultra 9 285T's score of 384,140.

Q: How does the memory bandwidth compare between the two?

A: The AMD Ryzen AI Max+ 392 has a major advantage with 256.0 GB/s of bandwidth from its quad-channel LPDDR5X memory, while the Intel Core Ultra 9 285T has 102.4 GB/s from dual-channel DDR5.

Q: What is the difference in their average benchmark scores?

A: The AMD Ryzen AI Max+ 392 has an average benchmark score of 90,541, while the Intel Core Ultra 9 285T has an average score of 51,310. The AMD part sits in the 96th percentile of all CPUs, and the Intel part is in the 91st percentile.

Q: Which processor has more cores?

A: The Intel Core Ultra 9 285T has 24 cores, while the AMD Ryzen AI Max+ 392 has 12 cores. However, the AMD chip has 24 threads, matching Intel's thread count.

Q: In which test does the Intel chip have its largest winning margin?

A: The Intel Core Ultra 9 285T's biggest win is in floating-point math, where it scores 137,923 versus the AMD's 99,548, a 27.8% advantage.

Specification Differences

The recorded data shows several direct specification differences between the two processors.

• Cores: AMD Ryzen AI Max+ 392 has 12 cores; Intel Core Ultra 9 285T has 24 cores.
• Threads: Both have 24 threads.
• Base Clock: AMD is 3.20 GHz; Intel is 1.40 GHz.
• Boost Clock: AMD is 5.00 GHz; Intel is 5.40 GHz.
• TDP: AMD is 55 W; Intel is 35 W.
• Socket: AMD uses Socket FP11; Intel uses Socket 1851.
• Architecture: AMD uses Zen 5; Intel uses Arrow Lake.
• Process Node: AMD uses 4 nm; Intel uses 3 nm.
• Die Size: AMD is 2x 70.6 mm²; Intel is 243 mm².
• Transistors: Intel has 17,800 million; AMD's count is not recorded.
• L1 Cache: AMD has 80 KB (per core); Intel has 192 KB (per core).
• L2 Cache: AMD has 1 MB (per core); Intel has 3 MB (per core).
• L3 Cache: AMD has 64 MB (shared); Intel has 36 MB (shared).
• Memory Support: AMD uses LPDDR5X; Intel uses DDR5.
• Memory Bus: AMD is Quad-channel; Intel is Dual-channel.
• Memory Bandwidth: AMD is 256.0 GB/s; Intel is 102.4 GB/s.
• PCIe: AMD is Gen 4, 16 Lanes; Intel is Gen 5, 20 Lanes.
• Integrated Graphics: AMD uses Radeon 8060S; Intel uses Arc Xe-LPG Graphics 64EU.
• Market Segment: AMD is Mobile; Intel is Desktop.
• Release Date: AMD is 2026-01-05; Intel is 2025-01-06.
• Launch MSRP: Intel is $549; AMD has no recorded value.

Where Each One Wins

The benchmark data shows a clear division of labor between these two processors. The AMD Ryzen AI Max+ 392 is the stronger choice for workloads that involve heavy data movement and parallel processing. Its 44.4% lead in data compression, 24.7% lead in random string sorting, and 15.1% lead in integer math point to an advantage in database management, file compression tools, and software build pipelines. The massive 66.2% lead in extended instructions also makes it suitable for applications that rely on specialized CPU instruction sets, such as certain encryption and media processing libraries.

The Intel Core Ultra 9 285T, on the other hand, is the winner for tasks that depend on high single-core speed and floating-point arithmetic. Its 14.2% lead in single-thread performance makes it more responsive in general desktop use, legacy applications, and games that are not heavily multi-threaded. The 27.8% advantage in floating-point math is critical for scientific simulations, 3D modeling, and financial modeling software that use non-integer calculations extensively.

The Intel chip's wins in data encryption and prime number finding suggest a slight edge in specific security and mathematical workloads. However, its overall average benchmark score is significantly lower than the AMD part, as the data shows the AMD processor in the 96th percentile versus the Intel's 91st. The AMD part also holds a substantial advantage in memory bandwidth, which is a key enabler for its data-heavy wins.

The 6-5 win split in the head-to-head benchmarks can be misleading without context. The AMD Ryzen AI Max+ 392's wins are often by very large margins, such as 44.4% and 66.2%, while the Intel Core Ultra 9 285T's wins are comparatively smaller, with the largest being 27.8% in floating-point math. This indicates that the AMD processor offers a more decisive advantage in its strongest areas, while the Intel part's strengths are more moderate. The choice between them depends entirely on whether the primary workload is data-centric and multi-threaded, favoring AMD, or single-threaded and floating-point intensive, favoring Intel.