Intel Core 5 223PE vs Intel Core 7 251E Comparison

FAQ

Q: Which processor has more cores and threads?

A: The Intel Core 7 251E has 24 cores and 32 threads, while the Intel Core 5 223PE has 8 cores and 16 threads.

Q: What are the boost clock speeds of each CPU?

A: The Intel Core 5 223PE boosts to 5.20 GHz, while the Intel Core 7 251E boosts to 5.60 GHz.

Q: Do both processors support ECC memory?

A: Yes, both the Intel Core 5 223PE and the Intel Core 7 251E support ECC memory.

Q: What integrated graphics do they use?

A: The Intel Core 5 223PE uses UHD Graphics 730, while the Intel Core 7 251E uses UHD Graphics 770.

Q: What is the difference in L3 cache size?

A: The Intel Core 5 223PE has 24 MB of shared L3 cache, while the Intel Core 7 251E has 36 MB of shared L3 cache.

Q: Which processor has a higher average benchmark score?

A: The Intel Core 5 223PE has an average benchmark score of 40585, while the Intel Core 7 251E has no recorded average benchmark score in the database.

Architecture Differences

Both processors come from the Bartlett Lake codename and use the Intel 10 nm process node. They share the same Intel Socket 1700 platform, dual-channel memory bus with DDR4 and DDR5 support, and identical memory bandwidth at 89.6 GB/s. Both also provide PCIe Gen 5 with 16 CPU lanes and support ECC memory.

The core configurations differ substantially. The Intel Core 5 223PE is an 8-core, 16-thread part with a base clock of 2.90 GHz and a boost clock of 5.20 GHz. The Intel Core 7 251E scales up to 24 cores and 32 threads, with a lower base clock of 2.10 GHz but a higher boost clock of 5.60 GHz. The larger core count in the Core 7 251E is paired with a bigger L3 cache: 36 MB shared versus 24 MB shared on the Core 5 223PE. Both processors use 80 KB of L1 cache per core and 2 MB of L2 cache per core.

The die size differs as well. The Intel Core 7 251E has a die size of 257 mm², while the die size for the Intel Core 5 223PE is not recorded in the database. Integrated graphics also differ: the Core 5 223PE carries UHD Graphics 730, and the Core 7 251E carries UHD Graphics 770. Both are desktop parts with locked multipliers and active production status. The Core 7 251E launched earlier, with its release date in January 2025, while the Core 5 223PE launched in March 2026.

Head-to-Head Benchmarks

The head-to-head benchmark comparison between these two processors is empty in the database. No direct test results are recorded for the Intel Core 7 251E, which has no benchmark entries at all. As a result, the database shows zero benchmark wins for each processor in this pairing.

The Intel Core 5 223PE, however, has a full suite of recorded benchmark scores. In Cinebench R23, it scores 26455 in multicore and 3734 in single-core. In Cinebench R20, it scores 11111 multicore and 1568 single-core. In Cinebench R15, it scores 2666 multicore and 376 single-core. PassMark results include 31124 in multithread, 4219 in single-thread, 99819 in integer math, 76468 in floating-point math, 346623 in data compression, 18448 in data encryption, 24672 in extended instructions, 35798 in random string sorting, 2493 in physics, and 159 in find prime numbers.

The average benchmark score for the Intel Core 5 223PE is 40585, placing it in the 87th percentile of all CPUs. Its nearest rivals include the Intel Core 7 253PE with an average score of 40557 and a delta of 0.1%, the Intel Xeon 6357P with 40630 and a delta of -0.1%, the Intel Core Ultra X7 368H with 40518 and a delta of 0.2%, and the AMD Ryzen AI 5 PRO 435G with 40718 and a delta of -0.3%. These deltas indicate the Core 5 223PE sits within a tight cluster of performance, within roughly one-third of a percent of each rival.

Because the Intel Core 7 251E has no benchmark records, no direct score comparisons can be made. The data cannot confirm whether the Core 7 251E's higher core count translates to a higher multicore score or whether the Core 5 223PE's higher base clock gives it an edge in single-threaded work. The absence of results limits any head-to-head analysis to architectural differences rather than measured performance.

The Verdict

The recorded data supports only one clear choice: the Intel Core 5 223PE has extensive benchmark results and a verified average score of 40585, placing it in the 87th percentile. The Intel Core 7 251E has no benchmark data in the database and a recorded percentile of 50, which reflects its lack of measured results rather than a performance claim.

For anyone selecting between these two based on database evidence, the Core 5 223PE is the only part with verified performance numbers. Its average score sits within 0.3% of four nearby rivals, indicating consistent mid-range performance. The Core 7 251E offers more cores, more threads, a larger L3 cache, and a higher boost clock on paper, but without benchmark results, those specifications cannot be translated into measured wins.

The Core 5 223PE also has a lower launch MSRP of $232, while the Core 7 251E has a launch MSRP of $384. The Core 5 223PE is the only processor in this comparison with recorded test scores, so the verdict from the data is straightforward: the Core 5 223PE is the validated performer, while the Core 7 251E remains unverified in the database.

Specification Differences

The two processors differ in several key specification fields. The Intel Core 5 223PE has 8 cores and 16 threads, while the Intel Core 7 251E has 24 cores and 32 threads. Base clock speeds are 2.90 GHz for the Core 5 223PE and 2.10 GHz for the Core 7 251E. Boost clocks are 5.20 GHz and 5.60 GHz respectively.

L3 cache differs: the Core 5 223PE has 24 MB shared, while the Core 7 251E has 36 MB shared. The die size is recorded only for the Core 7 251E at 257 mm²; no die size is listed for the Core 5 223PE. Integrated graphics differ: UHD Graphics 730 on the Core 5 223PE versus UHD Graphics 770 on the Core 7 251E.

Release dates differ, with the Core 7 251E released in January 2025 and the Core 5 223PE released in March 2026. Launch MSRP also differs: $232 for the Core 5 223PE and $384 for the Core 7 251E. Part numbers are SA4QF for the Core 5 223PE and SRQDUQ657 for the Core 7 251E.

Shared specifications include the Intel Socket 1700, Bartlett Lake codename, 10 nm process node, 65 W TDP, DDR4 and DDR5 memory support, dual-channel memory bus, 89.6 GB/s memory bandwidth, ECC memory support, PCIe Gen 5 with 16 CPU lanes, locked multipliers, desktop market segment, and active production status. L1 and L2 cache are also identical at 80 KB per core and 2 MB per core.

Where Each One Wins

Based on the recorded data, the Intel Core 5 223PE wins in every measurable category because it is the only processor with benchmark results. Its 87th percentile ranking and average score of 40585 provide concrete evidence of its performance across Cinebench and PassMark tests. The Core 7 251E, with no benchmark entries, cannot claim any measured wins in this comparison.

The Core 7 251E wins on paper specifications. It offers three times the core count and double the thread count. Its L3 cache is 50% larger at 36 MB versus 24 MB. Its boost clock is higher at 5.60 GHz versus 5.20 GHz. It also has a more capable integrated graphics unit, UHD Graphics 770 versus UHD Graphics 730.

For workloads that rely on raw core count, such as heavily threaded rendering or compilation, the Core 7 251E presents a theoretically stronger configuration. For workloads that depend on validated single-thread performance, the Core 5 223PE has the recorded single-core scores: 3734 in Cinebench R23, 1568 in Cinebench R20, and 4219 in PassMark single-thread. The Core 7 251E has no equivalent data.

The database shows the Core 5 223PE delivers a verified average score of 40585, with its nearest rival, the Intel Core 7 253PE, scoring 40557, a difference of only 0.1%. This places the Core 5 223PE in a narrow performance band where small deltas separate competitors. The Core 7 251E's specifications suggest it could compete or exceed in multithreaded scenarios, but no measurements exist to confirm that. Until benchmark results are recorded for the Core 7 251E, the Core 5 223PE remains the only processor in this pair with demonstrated performance.