Intel Core 5 223PQE vs Intel Core Ultra 7 356H Comparison

Head-to-Head Benchmarks

The benchmark database contains no direct head-to-head measurements for the Intel Core 5 223PQE and the Intel Core Ultra 7 356H. The Core 5 223PQE has no recorded benchmark scores at all, while the Core Ultra 7 356H has a full suite of Cinebench and PassMark results. This absence of comparative data means the analysis must rely on the recorded scores of the Ultra 7 and the architectural specifications of the Core 5.

For the Core Ultra 7 356H, the Cinebench R23 multi-core score of 18395 places it in a strong position for multi-threaded workloads. Its single-core R23 score of 2040 indicates a capable per-thread performance. In PassMark tests, the data shows a multi-thread score of 33978 and a single-thread score of 4072. The data compression score of 336177 is particularly high, while the find prime numbers score of 327 is notably lower, suggesting a specific weakness in that particular integer workload.

The Core Ultra 7 356H holds an average benchmark score of 41215 and ranks in the 87th percentile against all CPUs in the database. Its nearest rivals include the AMD Ryzen AI 5 PRO 440 with an average score of 41208 and a delta of 0 percent, the Intel Core Ultra 7 366H at 41263 with a delta of -0.1 percent, the AMD Ryzen 9 5900X at 41376 with a delta of -0.4 percent, and the Intel Core Ultra X7 358H at 40967 with a delta of 0.6 percent. This places the Ultra 7 effectively at parity with the Ryzen AI 5 PRO 440, slightly behind the Core Ultra 7 366H and Ryzen 9 5900X, and slightly ahead of the Core Ultra X7 358H.

Since the Core 5 223PQE has no benchmark entries, there are no wins to record for either side. The data simply does not support a quantitative head-to-head comparison. The wins column shows zero for both processors, reflecting the missing measurements for the Core 5.

Architecture Differences

The two processors differ substantially in their underlying architecture. The Core 5 223PQE uses the Bartlett Lake codename and is part of the Core 5 generation, built on a 10 nm process node at Intel. The Core Ultra 7 356H uses the Panther Lake architecture and codename, belongs to the Core Ultra Series 3 and the Ultra 7 (Panther Lake-H) generation, and is fabricated on a 3 nm process node, also at Intel.

Core counts diverge significantly. The Core 5 223PQE has 8 cores and 16 threads, while the Core Ultra 7 356H has 16 cores and 16 threads. This means the Ultra 7 has double the physical cores but the same thread count, indicating the Core 5 supports simultaneous multithreading while the Ultra 7 does not. The Core 5 has a base clock of 4.00 GHz and a boost clock of 5.50 GHz, whereas the Ultra 7 runs at a base clock of 1.90 GHz and a boost clock of 4.70 GHz. The Core 5 therefore has a substantial clock advantage, especially at base frequency.

Cache hierarchies are also different. The Core 5 has 80 KB of L1 cache per core, 2 MB of L2 cache per core, and 24 MB of shared L3 cache. The Ultra 7 has 192 KB of L1 cache per core, 2.5 MB of L2 cache per core, and 18 MB of shared L3 cache. The Ultra 7 has more L1 and L2 per core, but the Core 5 has a larger shared L3 pool.

Memory support differs as well. The Core 5 supports DDR4 and DDR5 memory in a dual-channel configuration with a bandwidth of 89.6 GB/s and ECC memory support. The Ultra 7 supports DDR5 and LPDDR5X memory, also dual-channel, with a higher bandwidth of 115.2 GB/s and no ECC support. The PCIe interface shows the Core 5 with Gen 5 and 16 lanes, while the Ultra 7 has Gen 5 with 12 lanes.

Integrated graphics are distinct. The Core 5 uses UHD Graphics 770, while the Ultra 7 uses Intel Xe3 Graphics. The Core 5 is a desktop processor on Intel Socket 1700 with a TDP of 125 watts, while the Ultra 7 is a mobile processor on Intel BGA 2540 with a TDP of 25 watts. The Core 5 has a launch MSRP of $319, while the Ultra 7 has no listed launch MSRP. Both processors are marked as Active in production status. The Core 5 was released on March 8, 2026, and the Ultra 7 on January 4, 2026. Neither processor has an unlocked multiplier.

Where Each One Wins

The recorded data supports wins for the Core Ultra 7 356H in several specific workload categories. Its Cinebench R15 multi-core score of 3055, R20 multi-core score of 12153, and R23 multi-core score of 18395 all indicate strong performance across successive render workloads. The PassMark multi-thread score of 33978 reinforces this, and the floating point math score of 103128 shows a particular strength in that area. The data compression score of 336177 is the highest single recorded metric for the Ultra 7, suggesting a pronounced advantage in compression tasks.

For single-core operations, the Ultra 7 records a PassMark single-thread score of 4072 and Cinebench R23 single-core of 2040. These are competitive scores, though the Core 5's higher boost clock of 5.50 GHz versus 4.70 GHz suggests the Core 5 could have an edge in lightly threaded workloads, but this is not confirmed by any recorded measurements. The data does not include any benchmark results for the Core 5, so any claimed win for that processor would be speculative.

The Ultra 7 also shows strong results in encryption with a PassMark data encryption score of 26345, extended instructions at 27898, and integer math at 83111. The physics score of 2895 and random string sorting at 40990 round out the suite. The find prime numbers score of 327 is comparatively weak, which indicates a relative weakness in that specific prime-finding workload.

Since the Core 5 has no benchmark data, the analysis cannot assign any wins to it. The wins column in the database records zero for the Core 5 and zero for the Ultra 7, because no head-to-head tests exist. The practical interpretation is that the Ultra 7 has proven performance across a range of tests, while the Core 5's performance is unmeasured.

The Verdict

Based strictly on the recorded data, the Intel Core Ultra 7 356H is the only processor with measured performance. Its average benchmark score of 41215 places it in the 87th percentile of all CPUs, which is a strong standing. The nearest rival comparisons show it trading blows with the AMD Ryzen AI 5 PRO 440 at a 0 percent delta, the Intel Core Ultra 7 366H at -0.1 percent, the AMD Ryzen 9 5900X at -0.4 percent, and the Intel Core Ultra X7 358H at 0.6 percent. This indicates the Ultra 7 is essentially at parity with its closest competitors, with differences under one percent in either direction.

The Core 5 223PQE has no recorded benchmark scores and therefore cannot be evaluated from the database. Its architectural specifications show a higher clock speed and a larger L3 cache, but these do not translate into measurable performance without test data. The processor ranks in the 50th percentile against all CPUs, but this percentile is based on no actual benchmark results and should be treated as a placeholder rather than a performance indicator.

For a user choosing between these two, the data supports the Ultra 7 for any workload where measured performance matters. The 16 cores, 3 nm process node, and higher memory bandwidth of 115.2 GB/s give it a modern foundation, and the extensive benchmark suite confirms its capability. The Core 5 offers a desktop form factor, ECC memory support, and a higher boost clock, but none of those features are validated by performance numbers in the database. The Ultra 7 is the only defensible choice from the available data.

FAQ

Q: Which processor has a higher boost clock?

A: The Intel Core 5 223PQE has a boost clock of 5.50 GHz, while the Intel Core Ultra 7 356H has a boost clock of 4.70 GHz.

Q: How do the core counts compare between the two processors?

A: The Core 5 223PQE has 8 cores and 16 threads, while the Core Ultra 7 356H has 16 cores and 16 threads. The Ultra 7 has twice the cores but the same thread count.

Q: What is the average benchmark score for the Core Ultra 7 356H?

A: The Core Ultra 7 356H has an average benchmark score of 41215 and ranks in the 87th percentile against all CPUs in the database.

Q: Does the Core 5 223PQE have any recorded benchmark scores?

A: No, the database contains no benchmark entries for the Intel Core 5 223PQE. Its average benchmark score is listed as 0, and its percentile rank is 50.

Q: What memory types does each processor support?

A: The Core 5 223PQE supports DDR4 and DDR5 memory, while the Core Ultra 7 356H supports DDR5 and LPDDR5X memory. Both use a dual-channel memory bus.

Q: Which processor has ECC memory support?

A: The Intel Core 5 223PQE supports ECC memory, while the Intel Core Ultra 7 356H does not have ECC memory support.

Specification Differences

| Specification | Intel Core 5 223PQE | Intel Core Ultra 7 356H |

|---|---|---|

| Cores | 8 | 16 |

| Threads | 16 | 16 |

| Base Clock | 4.00 GHz | 1.90 GHz |

| Boost Clock | 5.50 GHz | 4.70 GHz |

| TDP | 125 W | 25 W |

| Socket | Intel Socket 1700 | Intel BGA 2540 |

| Architecture | Bartlett Lake | Panther Lake |

| Generation | Core 5 (Bartlett Lake) | Ultra 7 (Panther Lake-H) |

| Process Node | 10 nm | 3 nm |

| L1 Cache | 80 KB (per core) | 192 KB (per core) |

| L2 Cache | 2 MB (per core) | 2.5 MB (per core) |

| L3 Cache | 24 MB (shared) | 18 MB (shared) |

| Memory Support | DDR4, DDR5 | DDR5, LPDDR5X |

| Memory Bandwidth | 89.6 GB/s | 115.2 GB/s |

| ECC Memory | Yes | No |

| PCIe | Gen 5, 16 Lanes | Gen 5, 12 Lanes |

| Integrated Graphics | UHD Graphics 770 | Intel Xe3 Graphics |

| Market Segment | Desktop | Mobile |

| Release Date | 2026-03-08 | 2026-01-04 |

| Launch MSRP | $319 | Not listed |

| Multiplier Unlocked | No | No |

| Part Number | SA4QC | SA4RGQ9EU |