AMD Ryzen 5 PRO 8540U vs Qualcomm Snapdragon X1E-80-100 Comparison

FAQ

Q: How do the core counts differ between the AMD Ryzen 5 PRO 8540U and the Qualcomm Snapdragon X1E-80-100?

A: The AMD Ryzen 5 PRO 8540U uses 6 cores with 12 threads, while the Qualcomm Snapdragon X1E-80-100 uses 12 cores with 12 threads. The Snapdragon has double the physical cores, but neither processor supports additional threads beyond its core count.

Q: What is the process node for both processors?

A: Both the AMD Ryzen 5 PRO 8540U and the Qualcomm Snapdragon X1E-80-100 are manufactured on a 4 nm process at TSMC. The AMD part uses the Zen 4 architecture with the Hawk Point codename, while the Snapdragon uses the Oryon codename.

Q: Which processor has a higher boost clock?

A: The AMD Ryzen 5 PRO 8540U boosts to 4.90 GHz, which is higher than the Snapdragon X1E-80-100's 4.00 GHz boost. However, the Snapdragon has a higher base clock at 3.40 GHz compared to the AMD's 3.20 GHz.

Q: What are the cache configurations for each processor?

A: The AMD Ryzen 5 PRO 8540U has 64 KB of L1 cache per core, 1 MB of L2 cache per core, and 16 MB of shared L3 cache. The Snapdragon X1E-80-100 has 288 KB of L1 cache per core, 12 MB of L2 cache per module, and 6 MB of shared L3 cache.

Q: Does either processor support ECC memory?

A: The AMD Ryzen 5 PRO 8540U supports ECC memory, while the Qualcomm Snapdragon X1E-80-100 does not. Both processors use dual-channel memory, but the AMD supports DDR5 while the Snapdragon supports LPDDR5X.

Q: What is the memory bandwidth for each processor?

A: The Qualcomm Snapdragon X1E-80-100 offers 135.2 GB/s of memory bandwidth, which is higher than the AMD Ryzen 5 PRO 8540U's 89.6 GB/s. The Snapdragon's LPDDR5X memory support contributes to this bandwidth advantage.

Architecture Differences

The AMD Ryzen 5 PRO 8540U belongs to the 8000 series and uses the Zen 4 architecture with the Hawk Point codename. The Qualcomm Snapdragon X1E-80-100 uses the Oryon codename and is part of the Snapdragon X Elite generation. Both processors are built on a 4 nm process at TSMC, which places them in the same manufacturing generation despite their architectural differences.

The core configuration diverges significantly. The AMD part has 6 cores and 12 threads, while the Snapdragon has 12 cores and 12 threads. This means the Snapdragon doubles the physical core count but does not use simultaneous multithreading, whereas the AMD processor relies on its 12 threads from 6 cores to handle parallel workloads. The thread count being equal at 12 suggests that multithreaded performance comparisons between the two will depend heavily on how each architecture utilizes its available execution resources.

Cache hierarchies reveal distinct design philosophies. The AMD Ryzen 5 PRO 8540U uses 64 KB of L1 per core and 1 MB of L2 per core, with 16 MB of shared L3 cache. The Snapdragon X1E-80-100 uses a larger 288 KB of L1 per core and 12 MB of L2 per module, but only 6 MB of shared L3 cache. The AMD part's larger L3 cache may benefit workloads that repeatedly access shared data, while the Snapdragon's larger per-core L1 and per-module L2 caches could favor localized data access patterns.

Memory support differs as well. The AMD processor supports DDR5 memory with dual-channel configuration and ECC capability, delivering 89.6 GB/s of bandwidth. The Snapdragon supports LPDDR5X memory, also dual-channel, with 135.2 GB/s of bandwidth and no ECC support. The Snapdragon's bandwidth advantage of 45.6 GB/s could matter for memory-intensive workloads.

PCI Express support shows a modest difference. The AMD Ryzen 5 PRO 8540U provides Gen 4 with 14 CPU lanes, while the Snapdragon X1E-80-100 provides Gen 4 with 12 CPU lanes. Both use the same PCIe generation, but the AMD part has two additional lanes available.

The integrated graphics differ between the two. The AMD processor uses the Radeon 740M, while the Snapdragon uses the Adreno X1-85. The power envelope also differs, with the AMD rated at 28 W TDP compared to the Snapdragon's 35 W TDP. The sockets are not interchangeable: AMD Socket FP7 versus Qualcomm BGA 2073.

Head-to-Head Benchmarks

The database contains no head-to-head benchmark results for the AMD Ryzen 5 PRO 8540U versus the Qualcomm Snapdragon X1E-80-100. The head-to-head benchmark array is empty, and the win counts for both processors are zero. This absence of direct comparison data means the analysis must rely on the available benchmark scores for the AMD part and the contextual information for the Snapdragon.

The AMD Ryzen 5 PRO 8540U has a comprehensive set of recorded benchmark scores. In Cinebench R23, it scores 15456 in multicore and 2182 in singlecore. In Cinebench R20, it scores 6491 in multicore and 916 in singlecore. In Cinebench R15, it scores 1557 in multicore and 219 in singlecore. The PassMark suite shows a single-thread score of 3563, a multithread score of 18218, and an average benchmark score of 23709.

The Qualcomm Snapdragon X1E-80-100 has no recorded benchmark scores in the database. Its average benchmark score is 0, and it has no nearest rivals listed. The percentile ranking for the Snapdragon is 50, while the AMD processor ranks in the 76th percentile among all CPUs. This percentile difference suggests that the Snapdragon's expected performance position is lower, although the lack of direct scores prevents precise quantification.

The AMD part's nearest rivals provide context for its standing. The Intel Core i5-11500 has an average score of 23718 with a delta of 0%, placing it essentially equal to the AMD part. The Intel Xeon 6333P scores 23823 with a delta of -0.5%, meaning the AMD part trails by half a percent. The Intel Core 3 100HL scores 23545 with a delta of 0.7%, meaning the AMD part leads by 0.7%. The AMD Ryzen 7 8840U scores 23982 with a delta of -1.1%, meaning the AMD part trails by 1.1%. These figures show the Ryzen 5 PRO 8540U sits in a tight performance cluster, with all rivals within roughly one percent.

Specification Differences

The two processors differ across nearly every specification category. The core count differs: 6 cores for the AMD versus 12 cores for the Snapdragon. The thread count is identical at 12 threads for both. The base clock differs: 3.20 GHz for the AMD versus 3.40 GHz for the Snapdragon. The boost clock differs: 4.90 GHz for the AMD versus 4.00 GHz for the Snapdragon.

The TDP differs: 28 W for the AMD versus 35 W for the Snapdragon. The socket differs: AMD Socket FP7 versus Qualcomm BGA 2073. The architecture differs: Zen 4 for the AMD versus no architecture listed for the Snapdragon. The codename differs: Hawk Point for the AMD versus Oryon for the Snapdragon.

The cache configuration differs in all levels. L1 cache is 64 KB per core for the AMD versus 288 KB per core for the Snapdragon. L2 cache is 1 MB per core for the AMD versus 12 MB per module for the Snapdragon. L3 cache is 16 MB shared for the AMD versus 6 MB shared for the Snapdragon.

Memory support differs: DDR5 for the AMD versus LPDDR5X for the Snapdragon. Memory bandwidth differs: 89.6 GB/s for the AMD versus 135.2 GB/s for the Snapdragon. ECC memory support differs: true for the AMD versus false for the Snapdragon. PCIe lane count differs: 14 lanes for the AMD versus 12 lanes for the Snapdragon, both at Gen 4.

Integrated graphics differ: Radeon 740M for the AMD versus Adreno X1-85 for the Snapdragon. The transistor count is 20,900 million for the AMD, while the Snapdragon has no listed transistor count. The die size is 137 mm² for the AMD, while the Snapdragon has no listed die size.

The release dates differ by eight days: April 15, 2024 for the AMD versus April 23, 2024 for the Snapdragon. Both processors are active in production, both target the mobile segment, and neither has an unlocked multiplier.

Where Each One Wins

The AMD Ryzen 5 PRO 8540U demonstrates strengths in several areas based on the recorded data. Its 76th percentile ranking among all CPUs indicates a solid overall performance position. The boost clock of 4.90 GHz provides a 0.90 GHz advantage over the Snapdragon's 4.00 GHz, which should benefit single-threaded workloads that scale with clock speed. The AMD part's 12 threads from 6 cores with simultaneous multithreading could deliver efficient handling of lightly threaded workloads.

The AMD processor's ECC memory support makes it suitable for environments where data integrity is critical. The larger 16 MB shared L3 cache may improve performance for workloads with substantial shared data sets. The 28 W TDP is lower than the Snapdragon's 35 W TDP, which could translate to lower power consumption in sustained workloads. The 14 PCIe Gen 4 lanes provide additional connectivity flexibility compared to the Snapdragon's 12 lanes.

The Qualcomm Snapdragon X1E-80-100 has structural advantages that the AMD part cannot match. Its 12 physical cores double the AMD's 6 cores, which could benefit workloads that scale well across many cores without requiring simultaneous multithreading. The memory bandwidth of 135.2 GB/s exceeds the AMD's 89.6 GB/s by 45.6 GB/s, providing a clear advantage for memory-bound applications. The base clock of 3.40 GHz is higher than the AMD's 3.20 GHz, which may help sustained all-core workloads.

The Snapdragon's cache design, with 288 KB of L1 per core and 12 MB of L2 per module, could offer advantages for workloads with high locality of reference. The LPDDR5X memory support may provide better power efficiency for memory access patterns typical of mobile workloads. The 35 W TDP allows for a higher power draw, which could support sustained performance in appropriately cooled chassis.

The lack of benchmark scores for the Snapdragon means its wins cannot be quantified from direct measurements. The analysis of its potential strengths comes from the specification differences alone. The AMD part has the advantage of recorded benchmark data, including a Cinebench R23 multicore score of 15456 and a singlecore score of 2182.

The Verdict

The data presents an incomplete picture for a definitive winner, because the Qualcomm Snapdragon X1E-80-100 has no recorded benchmark scores. The AMD Ryzen 5 PRO 8540U has extensive benchmark data showing a 76th percentile ranking, an average benchmark score of 23709, and performance within one percent of several Intel and AMD rivals. The Snapdragon's 50th percentile ranking and zero average score indicate it has not yet been measured in the database.

For workloads where clock speed dominates, the AMD processor's 4.90 GHz boost clock gives it a clear specification advantage over the Snapdragon's 4.00 GHz. The AMD part's 12 threads from 6 cores may handle typical productivity workloads effectively, and its ECC memory support and 14 PCIe lanes add capability for professional use cases.

For workloads where memory bandwidth and core count dominate, the Snapdragon's 135.2 GB/s bandwidth and 12 physical cores provide structural advantages. The 45.6 GB/s bandwidth difference is substantial, and the doubled core count could benefit parallel workloads that do not depend on high clock speeds.

The 28 W TDP of the AMD part versus the 35 W TDP of the Snapdragon suggests different power envelopes. The AMD's lower TDP could make it more suitable for thinner chassis, while the Snapdragon's higher TDP may allow for more sustained performance in systems with adequate cooling.

The choice between the two depends on which specifications matter most for the intended workload. The AMD Ryzen 5 PRO 8540U offers higher boost clocks, ECC support, more PCIe lanes, and a larger L3 cache. The Qualcomm Snapdragon X1E-80-100 offers more cores, higher memory bandwidth, and a larger L1 and L2 cache configuration. The recorded benchmark data currently supports the AMD part, but the Snapdragon's potential remains unquantified in the database.