Intel Core 5 320 vs Intel Core 7 251E Comparison

Head-to-Head Benchmarks

The comparison between the Intel Core 5 320 and the Intel Core 7 251E is complicated by a significant gap in available data. The Core 5 320 has a full set of benchmark scores recorded in the database, while the Core 7 251E has no benchmark entries at all. This absence of data means the head-to-head comparison cannot rely on direct performance measurements. Instead, the analysis must draw on the architectural specifications and the Core 5 320's position within the broader database context.

The Core 5 320's recorded scores place it in the 72nd percentile of all CPUs in the database. Its average benchmark score is 18023. The nearest rivals in the database provide a useful frame of reference. The AMD Ryzen 5 1600 sits nearly level with it, showing an average score of 17994, a delta of just 0.2 percent. The Intel Core 5 120U trails by 0.7 percent with a score of 17898, while the AMD Ryzen 5 3600XT also trails by 0.7 percent with an average of 17891. The only rival ahead is the Intel Core i5-1334U, which leads by 0.7 percent with a score of 18154. These margins are narrow, indicating that the Core 5 320 delivers performance in a well-established range.

For the Core 7 251E, the database records an average benchmark score of zero and no percentile ranking beyond the 50th percentile placeholder. The absence of recorded measurements means no direct wins or losses can be assigned. The head-to-head benchmark section must therefore rely on what the specifications suggest, but without numbers from the Core 7 251E, a quantitative comparison of performance is not possible.

The Core 5 320's specific benchmark results reveal its strengths. In Cinebench R23 multi-core, it scores 6197, while its single-core score is 1926. The PassMark suite shows a multi-thread score of 15450 and a single-thread score of 4045. Data compression reaches 148779, integer math hits 32323, and floating point math reaches 42440. These figures indicate a capable mobile processor, but without corresponding numbers for the Core 7 251E, no direct comparison can be made.

FAQ

Q: Which processor has more cores?

A: The Intel Core 7 251E has 24 cores and 32 threads, while the Intel Core 5 320 has 6 cores and 6 threads.

Q: What are the base and boost clock speeds for each?

A: The Core 5 320 has a base clock of 1.50 GHz and a boost clock of 4.60 GHz. The Core 7 251E has a base clock of 2.10 GHz and a boost clock of 5.60 GHz.

Q: How does the cache configuration differ?

A: The Core 5 320 has 192 KB of L1 cache, 2.5 MB of L2 cache, and 6 MB of shared L3 cache. The 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.

Q: Which processor supports ECC memory?

A: The Intel Core 7 251E supports ECC memory, while the Intel Core 5 320 does not.

Q: What is the process node for each processor?

A: The Core 5 320 is built on a 3 nm process node, while the Core 7 251E is built on a 10 nm process node.

Q: What memory types does each processor support?

A: The Core 5 320 supports DDR5 and LPDDR5X memory with a single-channel bus. The Core 7 251E supports DDR4 and DDR5 memory with a dual-channel bus.

Architecture Differences

The two processors come from different Intel families and target different segments. The Core 5 320 uses the Wildcat Lake codename and belongs to the Core 5 generation. It is built on a 3 nm process node at Intel's foundry. The Core 7 251E uses the Bartlett Lake codename and belongs to the Core 7 generation. It is built on a 10 nm process node, also at Intel. The process node difference is substantial, with the Core 5 320 using a more advanced manufacturing process.

The core configurations diverge sharply. The Core 5 320 has 6 cores and 6 threads, indicating no hyper-threading support. The Core 7 251E has 24 cores and 32 threads, a much larger configuration. The cache hierarchy reflects this difference. The Core 5 320 has 192 KB of L1, 2.5 MB of L2, and 6 MB of shared L3. The Core 7 251E has 80 KB of L1 per core, 2 MB of L2 per core, and 36 MB of shared L3. The per-core L2 allocation in the Core 7 251E is notably larger, and its total L3 is six times the size of the Core 5 320's L3.

Memory support also differs. The Core 5 320 supports DDR5 and LPDDR5X with a single-channel memory bus and a memory bandwidth of 59.7 GB/s. The Core 7 251E supports DDR4 and DDR5 with a dual-channel memory bus and a memory bandwidth of 89.6 GB/s. The dual-channel configuration gives the Core 7 251E a significant bandwidth advantage. The Core 7 251E also supports ECC memory, which the Core 5 320 does not.

PCIe connectivity is another differentiator. The Core 5 320 provides Gen 4 with 6 lanes (CPU only), while the Core 7 251E provides Gen 5 with 16 lanes (CPU only). The Core 7 251E offers both a newer PCIe generation and more lanes.

The integrated graphics differ as well. The Core 5 320 uses Intel Xe3 Graphics with 2 Xe cores. The Core 7 251E uses UHD Graphics 770. The market segments are distinct: the Core 5 320 is a mobile processor, while the Core 7 251E is a desktop processor.

Specification Differences

The socket types are different. The Core 5 320 uses Intel BGA 1516, a ball-grid array socket typical of mobile designs. The Core 7 251E uses Intel Socket 1700, a desktop socket.

The thermal design power (TDP) differs considerably. The Core 5 320 has a TDP of 15 watts, while the Core 7 251E has a TDP of 65 watts. This reflects the mobile versus desktop positioning.

The die size is recorded only for the Core 7 251E at 257 mm². The Core 5 320 has no die size figure in the database.

The part numbers differ: the Core 5 320 is listed as SAE3H, while the Core 7 251E is listed as SRQDUQ657.

The release dates differ. The Core 7 251E was released on 2025-01-12, while the Core 5 320 was released on 2026-04-15. The Core 5 320 is the later release.

The launch MSRP values are recorded in the database. The Core 5 320 has a launch MSRP of $340. The Core 7 251E has a launch MSRP of $384.

The production status for both is recorded as Active.

Neither processor has an unlocked multiplier.

The Verdict

The data available for these two processors is asymmetric. The Core 5 320 has a complete set of benchmark scores and a percentile ranking of 72. The Core 7 251E has no benchmark scores and an average benchmark score of zero. This asymmetry prevents a direct verdict based on measured performance.

From the specification data alone, the Core 7 251E is positioned as a higher-end desktop part. It has more cores, more threads, a higher boost clock, a larger cache, dual-channel memory, ECC support, and a newer PCIe generation. Its TDP of 65 watts indicates a part designed for sustained multi-core workloads in a desktop environment.

The Core 5 320 is positioned as a mobile part with a much lower TDP of 15 watts. Its 6 cores and 6 threads are a fraction of the Core 7 251E's 24 cores and 32 threads. Its single-channel memory bus and smaller cache further distinguish it as a more modest configuration. However, it uses a 3 nm process node, which is more advanced than the 10 nm node of the Core 7 251E.

The database places the Core 5 320 in the 72nd percentile among all CPUs, with an average score of 18023. The Core 7 251E has a percentile of 50, but this appears to be a placeholder rather than a measured value, as its average score is zero. Without recorded benchmarks for the Core 7 251E, the database does not provide a basis for ranking it against the Core 5 320.

For a user selecting between these two, the choice would depend on the intended use. The data shows the Core 5 320 is a mobile processor with recorded performance in the mid-range of the database. The Core 7 251E is a desktop processor with a much larger core count and higher specifications, but no measured benchmarks are available in the database to confirm its performance level.

Where Each One Wins

The Core 5 320 wins in the context of mobile computing. It is a 15-watt part with a 3 nm process node, designed for the Intel BGA 1516 socket. Its recorded benchmark scores place it in the 72nd percentile of all CPUs. In the database, it sits close to the AMD Ryzen 5 1600, the Intel Core 5 120U, the Intel Core i5-1334U, and the AMD Ryzen 5 3600XT, with all deltas within 0.7 percent. This indicates that the Core 5 320 delivers performance comparable to those established parts. Its single-thread score of 4045 in PassMark and its Cinebench R23 single-core score of 1926 show solid single-thread capability for a mobile part.

The Core 7 251E wins on raw specification count. It has 24 cores and 32 threads, a boost clock of 5.60 GHz, 36 MB of shared L3 cache, dual-channel memory with 89.6 GB/s bandwidth, ECC support, and PCIe Gen 5 with 16 lanes. Its 65-watt TDP and Socket 1700 design indicate it is built for desktop workloads where power consumption is less constrained. The 36 MB L3 cache is six times larger than the Core 5 320's 6 MB, and the dual-channel memory bus provides substantially higher bandwidth. These specifications suggest an advantage in multi-threaded desktop applications, though the lack of benchmark data for the Core 7 251E means the database cannot confirm this with measured scores.

The Core 5 320 has the advantage of a more advanced manufacturing process at 3 nm, which typically indicates better power efficiency per unit of performance. Its lower TDP and mobile socket make it the appropriate choice for portable systems. The Core 7 251E, with its larger core count, higher clock speeds, and desktop socket, is positioned for stationary systems requiring substantial compute resources.

In terms of memory flexibility, the Core 7 251E supports both DDR4 and DDR5, while the Core 5 320 supports DDR5 and LPDDR5X. The Core 7 251E's support for ECC memory is a feature absent from the Core 5 320. The Core 5 320's LPDDR5X support is typical of mobile designs, allowing for lower power memory in portable devices.

The database records no benchmark wins for either processor in a head-to-head comparison, as the head-to-head benchmark array is empty. The wins must be inferred from the recorded specifications and the Core 5 320's benchmark scores. The Core 5 320 wins in the mobile segment with a full set of recorded measurements. The Core 7 251E wins in the desktop segment based on its specification sheet, but without recorded benchmarks, its performance level remains unverified in the database.