Intel Core 7 251E vs Qualcomm Snapdragon X1E-78-100 Comparison

Head-to-Head Benchmarks

The recorded database contains no head-to-head benchmark entries for the Intel Core 7 251E and the Qualcomm Snapdragon X1E-78-100. The wins column for both processors is zero, and the benchmark arrays are empty. This means no direct comparison scores exist between these two parts. The percentile versus all CPUs is 50 for both, indicating they sit at the median of all recorded processors in the database. The average benchmark score for each is also zero, confirming the absence of measured performance data.

Without direct benchmark results, the only quantitative comparisons available come from the specification data. The Intel Core 7 251E uses 24 cores and 32 threads, while the Qualcomm Snapdragon X1E-78-100 uses 12 cores and 12 threads. The Intel part has a base clock of 2.10 GHz and a boost clock of 5.60 GHz. The Qualcomm part has a base clock of 3.40 GHz and no recorded boost clock. The Intel processor has a thermal design power of 65 watts, while the Qualcomm part is rated at 35 watts. The Intel chip uses a 10 nm process node from Intel, while the Qualcomm chip uses a 4 nm process node from TSMC. The Intel die size is 257 mm², while the Qualcomm die size is not recorded.

The cache hierarchies differ substantially. The Intel Core 7 251E has 80 KB of L1 cache per core, 2 MB of L2 cache per core, and 36 MB of shared L3 cache. The Qualcomm Snapdragon X1E-78-100 has 288 KB of L1 cache per core, 12 MB of L2 cache per module, and 6 MB of shared L3 cache. Memory bandwidth favors the Qualcomm part: 135.2 GB/s versus 89.6 GB/s for the Intel part. Memory support also differs, with the Intel chip supporting DDR4 and DDR5 in dual-channel configuration, while the Qualcomm chip supports LPDDR5X in dual-channel configuration. ECC memory is supported on the Intel part but not on the Qualcomm part. PCIe connectivity shows the Intel chip using Gen 5 with 16 lanes, while the Qualcomm chip uses Gen 4 with 12 lanes.

Where Each One Wins

The Intel Core 7 251E wins on core and thread count. With 24 cores and 32 threads, it offers double the core count and more than double the thread count of the Qualcomm part. This suggests an advantage in heavily threaded workloads, such as content creation, compilation, or server-style tasks, where parallel execution across many threads matters. The Intel chip also has a much higher boost clock at 5.60 GHz compared to the Qualcomm base clock of 3.40 GHz, which indicates strong single-thread burst performance when the workload demands it. The Intel part supports ECC memory, which is relevant for workstation or reliability-focused builds. The Intel chip also has a larger L3 cache at 36 MB shared, compared to 6 MB shared on the Qualcomm part, which can help with frequently accessed data across cores.

The Qualcomm Snapdragon X1E-78-100 wins on power efficiency. Its 35 watt TDP is significantly lower than the Intel part's 65 watt TDP. This means the Qualcomm chip consumes less power under load, which is critical for mobile and battery-powered devices. The Qualcomm part also has a higher base clock at 3.40 GHz, which suggests sustained performance without turbo boost may be stronger. Memory bandwidth is another clear win: 135.2 GB/s versus 89.6 GB/s, a 51% advantage for the Qualcomm chip. This benefits memory-intensive workloads like data processing or large in-memory datasets. The process node advantage also belongs to Qualcomm, with 4 nm from TSMC versus 10 nm from Intel, which typically translates to better transistor density and power characteristics. The Qualcomm chip has larger L1 and L2 caches per core or module, with 288 KB L1 per core and 12 MB L2 per module, which can reduce latency for single-threaded tasks.

The integrated graphics differ as well. The Intel part uses UHD Graphics 770, while the Qualcomm part uses Adreno X1-85. Without benchmark scores, the relative graphics performance cannot be quantified, but the difference in architecture indicates different GPU capabilities. The Qualcomm chip is marked as a mobile segment part, while the Intel chip is a desktop segment part. This reinforces the intended use cases: the Intel chip for desktop systems with available power and cooling, the Qualcomm chip for mobile devices where power draw and thermals are constrained.

The Verdict

Based strictly on the recorded data, the choice between these two processors depends on the workload and platform requirements. The Intel Core 7 251E is the pick for desktop systems that need high core counts, high boost clocks, and ECC memory support. Its 24 cores and 32 threads provide a strong foundation for multi-threaded applications. The 5.60 GHz boost clock indicates the chip can deliver rapid single-thread performance when needed. The 36 MB L3 cache and DDR4/DDR5 memory support add flexibility for various system configurations. The 65 watt TDP is reasonable for a desktop part with this core count, and the Intel Socket 1700 platform is a common desktop standard. The launch MSRP is $384. The Intel chip also uses PCIe Gen 5 with 16 lanes, which supports high-bandwidth expansion cards.

The Qualcomm Snapdragon X1E-78-100 is the pick for mobile devices or systems where power consumption is the primary constraint. Its 35 watt TDP is nearly half that of the Intel part, making it suitable for laptops or fanless designs. The 4 nm process node from TSMC suggests modern manufacturing with good efficiency. The 135.2 GB/s memory bandwidth is significantly higher than the Intel part, which benefits memory-heavy workloads. The 3.40 GHz base clock provides solid sustained performance without relying on boost states. The Qualcomm chip uses LPDDR5X memory, which is common in mobile platforms. The Qualcomm BGA 2073 socket indicates an integrated, non-upgradable design typical of mobile processors.

The data shows no benchmark results, so performance claims must remain speculative. The Intel part has more cores, more threads, a higher boost clock, larger L3 cache, ECC support, and PCIe Gen 5. The Qualcomm part has lower power draw, a smaller process node, higher memory bandwidth, larger L1 and L2 caches, and a higher base clock. For a desktop workstation or high-performance PC, the Intel Core 7 251E offers more raw compute resources. For a mobile device or low-power system, the Qualcomm Snapdragon X1E-78-100 offers efficiency and memory throughput.

FAQ

Q: Which processor has more cores and threads?

A: The Intel Core 7 251E has 24 cores and 32 threads. The Qualcomm Snapdragon X1E-78-100 has 12 cores and 12 threads.

Q: What are the thermal design power ratings for each chip?

A: The Intel Core 7 251E has a TDP of 65 watts. The Qualcomm Snapdragon X1E-78-100 has a TDP of 35 watts.

Q: Which processor supports ECC memory?

A: The Intel Core 7 251E supports ECC memory. The Qualcomm Snapdragon X1E-78-100 does not support ECC memory.

Q: What memory types does each processor support?

A: The Intel Core 7 251E supports DDR4 and DDR5 memory in dual-channel configuration. The Qualcomm Snapdragon X1E-78-100 supports LPDDR5X memory in dual-channel configuration.

Q: What is the memory bandwidth difference between the two?

A: The Intel Core 7 251E has a memory bandwidth of 89.6 GB/s. The Qualcomm Snapdragon X1E-78-100 has a memory bandwidth of 135.2 GB/s, which is higher.

Q: What process nodes are used for each processor?

A: The Intel Core 7 251E uses a 10 nm process node from Intel. The Qualcomm Snapdragon X1E-78-100 uses a 4 nm process node from TSMC.

Q: What sockets do these processors use?

A: The Intel Core 7 251E uses Intel Socket 1700. The Qualcomm Snapdragon X1E-78-100 uses Qualcomm BGA 2073.

Architecture Differences

The Intel Core 7 251E is built on the Bartlett Lake codename, part of the Core 7 generation. It uses a 10 nm process node manufactured by Intel. The die size is 257 mm². The processor has 24 cores and 32 threads, indicating hyper-threading support. The cache layout includes 80 KB of L1 cache per core, 2 MB of L2 cache per core, and 36 MB of shared L3 cache. The socket is Intel Socket 1700, which is a desktop platform. The integrated graphics are UHD Graphics 770. The market segment is Desktop, and the production status is Active. The release date is 2025-01-12. The multiplier is locked, meaning overclocking via multiplier adjustment is not available. The part number is SRQDUQ657.

The Qualcomm Snapdragon X1E-78-100 is built on the Oryon codename, part of the Snapdragon X (Elite) generation. It uses a 4 nm process node manufactured by TSMC. The die size is not recorded. The processor has 12 cores and 12 threads, indicating no hyper-threading or SMT. The cache layout includes 288 KB of L1 cache per core, 12 MB of L2 cache per module, and 6 MB of shared L3 cache. The socket is Qualcomm BGA 2073, which is a mobile platform. The integrated graphics are Adreno X1-85. The market segment is Mobile, and the production status is Active. The release date is 2024-04-23. The multiplier is locked. The part number is X1E78100.

The architectural differences are significant. The Intel chip uses a monolithic die design with a known die size of 257 mm², while the Qualcomm chip has no recorded die size. The Intel chip has a higher core count and thread count, which indicates a design focused on parallel throughput. The Qualcomm chip has a smaller process node, which typically allows for better power efficiency and higher transistor density. The L1 and L2 cache sizes per core are larger on the Qualcomm part, which can improve per-core performance for latency-sensitive tasks. The L3 cache is much larger on the Intel part, which helps with data sharing across many cores. The Intel chip supports ECC memory, while the Qualcomm chip does not. The Intel chip uses PCIe Gen 5 with 16 lanes, while the Qualcomm chip uses PCIe Gen 4 with 12 lanes. The Intel chip supports DDR4 and DDR5, while the Qualcomm chip supports LPDDR5X. The memory bandwidth is higher on the Qualcomm chip.

Specification Differences

The two processors differ across nearly every specification field. The core count is 24 versus 12. The thread count is 32 versus 12. The base clock is 2.10 GHz for Intel and 3.40 GHz for Qualcomm. The Intel chip has a boost clock of 5.60 GHz, while the Qualcomm chip has no recorded boost clock. The TDP is 65 watts versus 35 watts. The socket is Intel Socket 1700 versus Qualcomm BGA 2073. The process node is 10 nm from Intel versus 4 nm from TSMC. The die size is 257 mm² for Intel, with no die size recorded for Qualcomm.

The cache specifications differ in structure. Intel uses 80 KB L1 per core, 2 MB L2 per core, and 36 MB shared L3. Qualcomm uses 288 KB L1 per core, 12 MB L2 per module, and 6 MB shared L3. Memory support is DDR4 and DDR5 for Intel, LPDDR5X for Qualcomm. Memory bandwidth is 89.6 GB/s for Intel and 135.2 GB/s for Qualcomm. ECC memory is supported on Intel, not on Qualcomm. PCIe is Gen 5 with 16 lanes on Intel, Gen 4 with 12 lanes on Qualcomm. Integrated graphics are UHD Graphics 770 on Intel and Adreno X1-85 on Qualcomm. The market segment is Desktop for Intel and Mobile for Qualcomm. The release dates differ: 2025-01-12 for Intel and 2024-04-23 for Qualcomm. The Intel part has a launch MSRP of $384, while the Qualcomm part has no recorded launch MSRP. Both processors have locked multipliers and are Active in production.

The Intel chip has a higher core count, thread count, boost clock, L3 cache, TDP, and PCIe generation. The Qualcomm chip has a higher base clock, L1 cache per core, L2 cache per module, memory bandwidth, and a smaller process node. These differences indicate divergent design goals: the Intel chip targets high throughput and desktop performance, while the Qualcomm chip targets efficiency and mobile integration. The absence of benchmark data means the practical impact of these differences cannot be quantified in this database, but the specification sheet shows clear trade-offs between raw compute resources and power efficiency.