AMD Ryzen Embedded 8645HS vs Qualcomm Snapdragon X2E-96-100 Comparison

FAQ

Q: What are the core and thread counts for the AMD Ryzen Embedded 8645HS and the Qualcomm Snapdragon X2E-96-100?

A: The AMD Ryzen Embedded 8645HS has 6 cores and 12 threads, while the Qualcomm Snapdragon X2E-96-100 has 18 cores and 18 threads.

Q: How do the base and boost clock speeds compare between these two processors?

A: The AMD part has a base clock of 4.30 GHz and a boost clock of 5.00 GHz. The Qualcomm part has a higher base clock of 4.45 GHz and the same 5.00 GHz boost clock.

Q: Which processor offers higher memory bandwidth?

A: The Qualcomm Snapdragon X2E-96-100 delivers 228.6 GB/s of memory bandwidth, which is substantially higher than the AMD Ryzen Embedded 8645HS's 89.6 GB/s.

Q: What process nodes are used by these chips?

A: The AMD Ryzen Embedded 8645HS is built on a 4 nm process, while the Qualcomm Snapdragon X2E-96-100 uses a smaller 3 nm process, both from TSMC.

Q: Do both processors support ECC memory?

A: No, the AMD Ryzen Embedded 8645HS supports ECC memory, while the Qualcomm Snapdragon X2E-96-100 does not.

Q: What PCIe generations and lane counts do they offer?

A: The AMD processor provides PCIe Gen 4 with 20 lanes (CPU only), whereas the Qualcomm processor provides PCIe Gen 5 with 12 lanes (CPU only).

Architecture Differences

The AMD Ryzen Embedded 8645HS belongs to the 8000 series and uses the Zen 4 architecture under the Hawk Point codename. It is manufactured on a 4 nm process at TSMC, with a die size of 178 mm² and 25,000 million transistors. The chip fits into AMD Socket FP8 and targets the mobile market segment. Its cache hierarchy is organized as 64 KB L1 per core, 1 MB L2 per core, and 16 MB of shared L3 cache.

The Qualcomm Snapdragon X2E-96-100, part of the Snapdragon X2 (Elite) generation under the Glymur codename, takes a fundamentally different design approach. It uses a 3 nm process from TSMC and has a larger die size of 220 mm². The cache structure differs significantly: 288 KB L1 per core, 16 MB L2 per module, and 9 MB of shared L3 cache. The processor uses Qualcomm BGA 2343 socket and also targets mobile devices.

The core count difference is stark. The AMD part uses 6 cores with simultaneous multithreading to reach 12 threads. The Qualcomm part uses 18 physical cores with no extra threads, meaning 18 threads total. This indicates a high-core-count design optimized for parallel workloads, while the AMD chip relies on fewer, higher-clocked cores with thread doubling.

Memory architecture also diverges. The AMD processor supports DDR5 over a dual-channel bus, yielding 89.6 GB/s of bandwidth. The Qualcomm processor uses LPDDR5X over a triple-channel interface, achieving 228.6 GB/s. This is a major bandwidth advantage for the Qualcomm part, with implications for memory-intensive tasks.

Integrated graphics differ as well. The AMD chip includes a Radeon 760M GPU, while the Qualcomm part carries an Adreno X2-90. Both processors are marked as active production and neither has an unlocked multiplier. The AMD part has a release date of April 2024, while the Qualcomm part is dated April 2026.

Head-to-Head Benchmarks

The database records no head-to-head benchmark entries for these two processors, and no wins are tallied for either side. Both chips share a percentile rank of 50 against all CPUs, and both have an average benchmark score of zero in the current dataset. The absence of direct comparison data means the analysis relies on architectural and specification differences rather than measured performance outcomes.

Given the core count disparity, the Qualcomm Snapdragon X2E-96-100 is positioned to dominate multi-threaded workloads. With 18 cores versus 6 cores, the scaling potential is substantial. The Qualcomm part also has a 4.45 GHz base clock, which is higher than the AMD's 4.30 GHz base. Both share a 5.00 GHz boost clock, so peak single-thread frequency is matched.

Memory bandwidth is another area where the Qualcomm part holds a clear edge. At 228.6 GB/s, it offers more than double the bandwidth of the AMD processor's 89.6 GB/s. For workloads that stream large data sets, such as scientific computing or data analytics, this difference could be decisive.

The AMD processor counters with a smaller die size of 178 mm² versus 220 mm², and it includes ECC memory support, which the Qualcomm part lacks. ECC is often required in embedded and reliability-critical settings. The AMD part also provides more PCIe lanes, 20 versus 12, though the Qualcomm part uses the newer Gen 5 standard compared to Gen 4.

The process node advantage goes to Qualcomm, with 3 nm versus 4 nm. This typically enables better power efficiency and higher transistor density. However, the AMD part has a defined TDP of 45 watts, while the Qualcomm part has no TDP listed in the database. The absence of a TDP figure for the Qualcomm chip makes direct power comparisons impossible from the recorded data.

Specification Differences

The two processors differ across nearly every major specification field.

• Cores: AMD has 6, Qualcomm has 18.
• Threads: AMD has 12, Qualcomm has 18.
• Base clock: AMD is 4.30 GHz, Qualcomm is 4.45 GHz.
• Boost clock: Both are 5.00 GHz.
• TDP: AMD is 45 watts, Qualcomm has no recorded value.
• Socket: AMD uses AMD Socket FP8, Qualcomm uses Qualcomm BGA 2343.
• Architecture: AMD uses Zen 4, Qualcomm has no listed architecture.
• Codename: AMD is Hawk Point, Qualcomm is Glymur.
• Generation: AMD is Ryzen Embedded (Zen 4, Hawk Point), Qualcomm is Snapdragon X2 (Elite).
• Process node: AMD is 4 nm, Qualcomm is 3 nm.
• Foundry: Both use TSMC.
• Transistors: AMD has 25,000 million, Qualcomm has no listed value.
• Die size: AMD is 178 mm², Qualcomm is 220 mm².
• L1 cache: AMD is 64 KB per core, Qualcomm is 288 KB per core.
• L2 cache: AMD is 1 MB per core, Qualcomm is 16 MB per module.
• L3 cache: AMD is 16 MB shared, Qualcomm is 9 MB shared.
• Memory support: AMD uses DDR5, Qualcomm uses LPDDR5X.
• Memory bus: AMD is dual-channel, Qualcomm is triple-channel.
• Memory bandwidth: AMD is 89.6 GB/s, Qualcomm is 228.6 GB/s.
• ECC memory: AMD supports it, Qualcomm does not.
• PCIe: AMD is Gen 4 with 20 lanes, Qualcomm is Gen 5 with 12 lanes.
• Integrated graphics: AMD has Radeon 760M, Qualcomm has Adreno X2-90.
• Release date: AMD is April 2024, Qualcomm is April 2026.
• Part number: AMD is unknown, Qualcomm is X2E96100.

The Verdict

The data shows two processors built for different priorities. The AMD Ryzen Embedded 8645HS is a 6-core, 12-thread part with Zen 4 architecture, a 4.30 GHz base clock, and a 5.00 GHz boost clock. It offers ECC memory support, 20 PCIe Gen 4 lanes, and a 45-watt TDP. These features position it for embedded systems where reliability, memory integrity, and moderate power draw matter.

The Qualcomm Snapdragon X2E-96-100 is a radically different design. Its 18 cores and 18 threads, combined with a 4.45 GHz base clock, make it a high-throughput processor. The 228.6 GB/s of memory bandwidth over a triple-channel LPDDR5X interface, plus PCIe Gen 5 connectivity, points to workloads that demand massive data movement. The 3 nm process node also suggests a focus on efficiency at scale.

For users prioritizing raw core count and memory bandwidth, the Qualcomm part is the clear choice from the recorded specifications. The 18-core configuration and more than double the memory bandwidth of the AMD chip indicate superior performance in highly parallel, memory-saturated tasks. The newer process node and later release date also suggest a more modern design.

For users needing ECC memory, the AMD processor is the only option between the two. ECC support is a hard requirement in many embedded and server-adjacent deployments, and its absence in the Qualcomm part eliminates it from those scenarios. The AMD chip also has a defined TDP of 45 watts, which allows for predictable thermal design, whereas the Qualcomm part has no TDP listed in the database.

The socket and platform differences are substantial. AMD Socket FP8 and Qualcomm BGA 2343 are incompatible, so platform choice determines processor selection. The AMD part uses DDR5 with dual-channel memory, while the Qualcomm part uses LPDDR5X with triple-channel memory. These are not interchangeable.

The verdict from the data is straightforward: the Qualcomm Snapdragon X2E-96-100 is the higher-specification processor in terms of cores, base clock, memory bandwidth, process node, and PCIe generation. The AMD Ryzen Embedded 8645HS is the more conservative design with ECC support, a smaller die, and a lower core count. Each serves a distinct segment, and the choice hinges on whether ECC and established embedded compatibility matter more than raw throughput and bandwidth.