AMD Ryzen 7 PRO 8840U vs Qualcomm Snapdragon X1E-78-100 Comparison

The AMD Ryzen 7 PRO 8840U and the Qualcomm Snapdragon X1E-78-100 are both mobile processors aimed at high-performance laptops, but they represent fundamentally different design philosophies. The database shows a clear statistical gap between the two, with the AMD part holding an 83rd percentile ranking versus the Qualcomm’s 50th percentile. While the Snapdragon offers higher core counts and memory bandwidth on paper, the recorded benchmark data for the Qualcomm part is empty, meaning all performance comparisons in this analysis are based on the AMD processor’s extensive test results. The Ryzen 7 PRO 8840U’s average benchmark score of 32233 places it in a competitive field, trading blows with desktop Intel parts like the Core i9-11900 and Core i5-14400F.

Where Each One Wins

The AMD Ryzen 7 PRO 8840U wins in every measurable category for which data exists, as the Qualcomm Snapdragon X1E-78-100 has no recorded benchmarks in the database. The AMD processor delivers a comprehensive set of scores across Cinebench and PassMark tests, covering both single-threaded and multi-threaded workloads. Its Cinebench R23 multi-core score of 20254 indicates strong sustained performance for CPU-intensive tasks such as video rendering and compilation, while the single-core score of 2859 shows capable responsiveness for everyday applications.

The Snapdragon’s strengths are theoretical, based on its specifications rather than measured results. It has 12 cores versus the AMD’s 8, and its memory bandwidth of 135.2 GB/s is substantially higher than the AMD’s 89.6 GB/s. However, without benchmark data, the database cannot confirm whether these specifications translate into real-world wins. The AMD part, by contrast, has verified scores across integer math (88339), floating point math (50746), and data encryption (16441), all of which indicate strong computational throughput. In the absence of Qualcomm data, the AMD Ryzen 7 PRO 8840U remains the only processor in this comparison with demonstrable performance advantages.

Architecture Differences

The two processors diverge sharply in their internal designs. The AMD Ryzen 7 PRO 8840U uses the Zen 4 architecture on the Hawk Point codename, built on a 4 nm process at TSMC with 25,000 million transistors on a 178 mm² die. It has 8 cores and 16 threads, indicating simultaneous multithreading support. The Snapdragon X1E-78-100 uses the Oryon codename from the Snapdragon X (Elite) generation, also on TSMC’s 4 nm process, but with 12 cores and 12 threads, meaning no multithreading per core.

Cache hierarchies differ significantly. The AMD chip allocates 64 KB of L1 cache per core, 1 MB of L2 per core, and 16 MB of shared L3. The Qualcomm design uses a different organization: 288 KB of L1 per core, 12 MB of L2 per module, and 6 MB of shared L3. This suggests the Snapdragon’s cache is partitioned to serve groups of cores, whereas the AMD design provides dedicated L2 per core. Memory support also differs: the AMD uses DDR5 with dual-channel access, while the Qualcomm uses LPDDR5X, also dual-channel, but with a higher peak bandwidth figure.

The AMD processor integrates the Radeon 780M graphics, while the Qualcomm integrates the Adreno X1-85. Both are mobile parts with active production status, and neither has an unlocked multiplier. The AMD supports ECC memory, a feature absent from the Qualcomm. The AMD also provides more PCIe lanes (20 Gen 4 lanes) compared to the Qualcomm (12 Gen 4 lanes). The sockets are incompatible: AMD Socket FP7 versus Qualcomm BGA 2073.

FAQ

Q: Which processor has more cores?

A: The Qualcomm Snapdragon X1E-78-100 has 12 cores, while the AMD Ryzen 7 PRO 8840U has 8 cores. However, the AMD part supports 16 threads via simultaneous multithreading, whereas the Qualcomm has 12 threads total.

Q: What is the difference in single-core clock speed?

A: The AMD Ryzen 7 PRO 8840U has a base clock of 3.30 GHz and a boost clock of 5.10 GHz. The Qualcomm Snapdragon X1E-78-100 has a base clock of 3.40 GHz, but no boost clock is recorded in the database.

Q: Which processor has higher memory bandwidth?

A: The Qualcomm Snapdragon X1E-78-100 shows a memory bandwidth of 135.2 GB/s, which is higher than the AMD Ryzen 7 PRO 8840U’s 89.6 GB/s. Both use dual-channel memory, but the Qualcomm supports LPDDR5X while the AMD uses DDR5.

Q: How do the cache sizes compare?

A: The AMD Ryzen 7 PRO 8840U has 64 KB L1 per core, 1 MB L2 per core, and 16 MB shared L3. The Qualcomm Snapdragon X1E-78-100 has 288 KB L1 per core, 12 MB L2 per module, and 6 MB shared L3.

Q: Which processor supports ECC memory?

A: Only the AMD Ryzen 7 PRO 8840U supports ECC memory. The Qualcomm Snapdragon X1E-78-100 does not have ECC support listed.

Q: What are the benchmark percentiles for each processor?

A: The AMD Ryzen 7 PRO 8840U ranks in the 83rd percentile among all CPUs, while the Qualcomm Snapdragon X1E-78-100 ranks in the 50th percentile. The AMD has an average benchmark score of 32233, whereas the Qualcomm has no recorded benchmark scores.

Specification Differences

The two processors differ across nearly every specification field in the database. The AMD Ryzen 7 PRO 8840U uses the Zen 4 architecture with the Hawk Point codename, while the Qualcomm uses the Oryon codename under the Snapdragon X (Elite) generation. The AMD has 8 cores and 16 threads, the Qualcomm has 12 cores and 12 threads. Base clocks are close (3.30 GHz for AMD, 3.40 GHz for Qualcomm), but only the AMD lists a boost clock (5.10 GHz). The TDP differs, with the AMD rated at 28 watts and the Qualcomm at 35 watts.

The AMD supports DDR5 memory with 89.6 GB/s bandwidth, while the Qualcomm supports LPDDR5X with 135.2 GB/s. The AMD has 20 Gen 4 PCIe lanes, the Qualcomm has 12. The AMD includes ECC memory support, the Qualcomm does not. The AMD’s integrated graphics is Radeon 780M, the Qualcomm’s is Adreno X1-85. The AMD has a 178 mm² die with 25,000 million transistors, while the Qualcomm has no die size or transistor count recorded. The AMD part numbers are 100-000001317 (FP7r2) and 100-000001377 (FP7), while the Qualcomm is X1E78100. The release dates are close, with the AMD launching on 2024-04-15 and the Qualcomm on 2024-04-23.

Head-to-Head Benchmarks

The database contains no head-to-head benchmark entries for these two processors, and the Qualcomm Snapdragon X1E-78-100 has an empty benchmark list. All comparative analysis must therefore rely on the AMD Ryzen 7 PRO 8840U’s recorded scores. The AMD’s Cinebench R23 multi-core score of 20254 and single-core score of 2859 place it in a solid position for both threaded and light workloads. Its nearest rivals in the database include the Intel Core i9-11900 (average score 32226, delta 0%), the Intel Core i5-14400F (32279, delta -0.1%), and the Intel Core i7-12800H (32121, delta 0.3%). These deltas are all within a fraction of a percent, indicating that the AMD processor performs on par with these Intel parts in overall average score.

In PassMark tests, the AMD shows strong integer performance with a score of 88339 and floating point performance at 50746. Data compression scores 272664, while random string sorting hits 33109. The single-thread PassMark score is 3641, and the multithread score is 23850. Extended instructions score 19132, and find prime numbers scores 76. Physics simulation scores 1174. These results suggest a balanced processor capable of handling both everyday tasks and computationally demanding applications.

The lack of Qualcomm data means there is no direct numeric comparison to present. The database records zero wins for each processor in head-to-head benchmarks. The AMD’s 83rd percentile ranking versus the Qualcomm’s 50th percentile is the only direct statistical comparison available, and it favors the AMD by a wide margin. The Qualcomm’s higher core count and memory bandwidth remain unverified in practice, leaving the AMD Ryzen 7 PRO 8840U as the only processor in this pairing with demonstrated benchmark results.