AMD Ryzen AI Embedded P132 vs AMD Ryzen Embedded 8640U Comparison

FAQ

Q: How do the core and thread counts compare between the two processors?

A: Both the AMD Ryzen AI Embedded P132 and the AMD Ryzen Embedded 8640U feature 6 cores and 12 threads. The core configuration is identical, but the underlying architectures differ.

Q: What is the difference in cache capacity?

A: The Ryzen AI Embedded P132 has 4 MB of L3 cache, while the Ryzen Embedded 8640U has 16 MB of shared L3 cache. The P132 also has 80 KB of L1 cache per core versus 64 KB per core on the 8640U, while both have 1 MB of L2 cache per core.

Q: Which processor has a higher boost clock?

A: The AMD Ryzen Embedded 8640U has a boost clock of 4.90 GHz, which is higher than the 4.50 GHz boost clock of the Ryzen AI Embedded P132. The 8640U also has a higher base clock at 3.50 GHz versus 2.00 GHz.

Q: Do the two processors support the same memory types?

A: No. The Ryzen AI Embedded P132 supports both DDR5 and LPDDR5X memory, while the Ryzen Embedded 8640U supports only DDR5. Both use a dual-channel memory bus with 89.6 GB/s bandwidth and support ECC memory.

Q: How do the integrated graphics units differ?

A: The Ryzen AI Embedded P132 uses a Radeon 840M integrated GPU, whereas the Ryzen Embedded 8640U uses a Radeon 760M. The database does not provide direct benchmark comparisons for these iGPU units.

Q: What is the difference in PCIe lane count?

A: The Ryzen AI Embedded P132 provides Gen 4 with 14 lanes (CPU only), while the Ryzen Embedded 8640U provides Gen 4 with 20 lanes (CPU only). The 8640U offers more PCIe lanes for expansion.

Architecture Differences

The two processors belong to different generations and microarchitectures. The AMD Ryzen AI Embedded P132 is based on the Gorgon Point codename and uses the Ryzen AI Embedded generation, built on a hybrid Zen 5 / Zen 5c core design. The AMD Ryzen Embedded 8640U belongs to the 8000 series, uses the Hawk Point codename, and is built on the Zen 4 architecture. Both are manufactured by TSMC on a 4 nm process node, but the 8640U has a documented transistor count of 25,000 million and a die size of 178 mm², while the P132 has no listed transistor count or die size in the database.

The cache hierarchy differs substantially. The P132 provides 80 KB of L1 cache per core, 1 MB of L2 per core, and 4 MB of L3. The 8640U provides 64 KB of L1 per core, 1 MB of L2 per core, and 16 MB of shared L3. This means the 8640U has four times the L3 capacity, which can benefit workloads with larger working sets that rely on shared cache.

Both processors use AMD Socket FP8, have a 28 W TDP, support ECC memory, and are classified as mobile market segments. The integrated graphics differ: the P132 carries a Radeon 840M, while the 8640U carries a Radeon 760M. The PCIe configuration also differs, with the 8640U offering 20 Gen 4 lanes versus 14 on the P132. The 8640U was released in April 2024, while the P132 has a release date of March 2026.

Where Each One Wins

The data shows a clear split between the two processors based on architectural strengths. The Ryzen AI Embedded P132 has a complete set of PassMark benchmark results, with an average benchmark score of 37,804 and a percentile ranking of 86 among all CPUs. The Ryzen Embedded 8640U has no recorded benchmark scores in the database, an average benchmark score of 0, and a percentile ranking of 50. This means the P132 is the only one of the two with direct performance measurements available for analysis.

The P132 demonstrates particular strength in integer math, floating point math, and extended instructions, with scores of 62,249, 42,248, and 16,520 respectively. Its single-thread score is 3,713, and its multithread score is 19,262. The 8640U, lacking benchmark data, cannot be positioned as a winner in any measured category from the recorded information. The 8640U does have advantages in specification-level features, including a higher clock speed range and more L3 cache, but these do not translate into recorded benchmark wins in the database.

The P132 also wins on memory flexibility, supporting both DDR5 and LPDDR5X, whereas the 8640U only supports DDR5. For workloads that depend on measured CPU throughput, the P132 is the only processor with data supporting a win.

Specification Differences

The two processors share several specifications: both have 6 cores, 12 threads, a 28 W TDP, AMD Socket FP8, dual-channel memory bus, 89.6 GB/s memory bandwidth, ECC memory support, Gen 4 PCIe, and a mobile market segment. They also both use TSMC 4 nm manufacturing.

Differences are as follows:

• Base clock: 2.00 GHz for the P132, 3.50 GHz for the 8640U
• Boost clock: 4.50 GHz for the P132, 4.90 GHz for the 8640U
• Architecture: Zen 5 / Zen 5c hybrid for the P132, Zen 4 for the 8640U
• Codename: Gorgon Point for the P132, Hawk Point for the 8640U
• Process node: both 4 nm, but the 8640U lists 25,000 million transistors and 178 mm² die size, while the P132 lists neither
• L1 cache: 80 KB per core for the P132, 64 KB per core for the 8640U
• L3 cache: 4 MB for the P132, 16 MB shared for the 8640U
• Memory support: DDR5 and LPDDR5X for the P132, DDR5 only for the 8640U
• PCIe lanes: 14 for the P132, 20 for the 8640U
• Integrated graphics: Radeon 840M for the P132, Radeon 760M for the 8640U
• Release date: March 2026 for the P132, April 2024 for the 8640U
• Series: the 8640U belongs to the 8000 series, the P132 has no listed series
• Production status: both Active

The 8640U is the older design by nearly two years, but it carries the higher clock speeds and larger L3 cache. The P132 introduces the hybrid Zen 5 core layout and broader memory support.

Head-to-Head Benchmarks

The database contains no head-to-head benchmark entries between the AMD Ryzen AI Embedded P132 and the AMD Ryzen Embedded 8640U. The wins counter shows 0 for both processors. The 8640U has an empty benchmarks array, meaning no PassMark scores are recorded for it at all.

For the P132, the recorded PassMark results provide a full picture of its measured performance. Its multithread score of 19,262 and single-thread score of 3,713 place it in the 86th percentile of all CPUs. The average benchmark score of 37,804 sits nearly level with its nearest rivals. The Intel Core 5 211E scores 37,829, a delta of -0.1 percent relative to the P132. The AMD Ryzen AI 5 PRO 435 scores 37,762, a delta of 0.1 percent. The AMD Ryzen AI 9 HX 370 scores 37,904, a delta of -0.3 percent, and the Intel Core i9-14901E scores 37,911, also a delta of -0.3 percent. The P132 is effectively tied with these four processors on average score, with deltas all within 0.3 percent.

Individual workload scores for the P132 show its strongest areas: data compression at 230,437, random string sorting at 25,181, integer math at 62,249, floating point math at 42,248, extended instructions at 16,520, data encryption at 11,444, physics at 1,022, and find prime numbers at 57. These figures confirm a balanced mobile processor with particular strength in compression and integer workloads.

Because the 8640U has no recorded scores, no direct comparison of individual benchmark results is possible. The only quantitative comparison available is at the specification level, where the 8640U leads in clock speed and L3 cache, and at the percentile level, where the P132 leads with 86 versus 50.

The Verdict

The recorded data supports a straightforward choice for workloads requiring measured CPU performance. The AMD Ryzen AI Embedded P132 is the only processor of the two with benchmark scores in the database, and those scores place it in the 86th percentile of all CPUs with an average score of 37,804. The AMD Ryzen Embedded 8640U has no recorded benchmark data and sits in the 50th percentile, so it cannot claim any performance win from the measurements.

The P132 also offers architectural advantages that align with newer designs: a hybrid Zen 5 / Zen 5c core configuration, support for both DDR5 and LPDDR5X memory, and a Radeon 840M integrated GPU. Its release date of March 2026 indicates a newer part than the 8640U's April 2024 release.

The 8640U maintains advantages in raw clock speeds, with a base clock of 3.50 GHz and a boost clock of 4.90 GHz versus 2.00 GHz and 4.50 GHz on the P132. It also has 16 MB of shared L3 cache versus 4 MB on the P132, and it provides 20 PCIe Gen 4 lanes versus 14. For a system designer prioritizing higher clock rates, larger shared cache, and more expansion lanes, the 8640U has the specification-level edge. However, none of those advantages are backed by recorded benchmark results in the database.

The P132's nearest rival analysis shows it performing within 0.3 percent of the Intel Core 5 211E, AMD Ryzen AI 5 PRO 435, AMD Ryzen AI 9 HX 370, and Intel Core i9-14901E on average score. This places it in a competitive field of modern processors. The 8640U has no comparable rival data.

In summary, the benchmark database confirms the P132 as the measured performer, while the 8640U remains a higher-clocked, more cache-heavy part without recorded test results. The selection between them depends on whether the priority is verified benchmark performance or specific specification advantages in clock speed, L3 capacity, and PCIe lane count.