Intel Core 5 320 vs Intel Core 7 251TE Comparison

Head-to-Head Benchmarks

The recorded data presents a decisive overall win for the Intel Core 7 251TE, which takes 15 of the 17 head-to-head comparisons. The only two victories for the Intel Core 5 320 occur in single-threaded PassMark tests, where it scores 4045 against 3568 for the Core 7 251TE, a 13.4% advantage. This result is notable because the Core 5 320 has a lower boost clock of 4.60 GHz compared to 5.40 GHz for the Core 7 251TE, yet it still delivers superior performance in this specific workload.

The largest margins of victory for the Core 7 251TE appear in multi-core and integer-heavy tests. In Cinebench R23 multi-core, the Core 7 251TE scores 25518, which is 75.7% ahead of the Core 5 320's 6197. PassMark integer math shows a similar gap, with the Core 7 251TE at 125739 versus 32323, a 74.3% difference. These results align with the core count disparity: the Core 7 251TE has 24 cores and 32 threads, while the Core 5 320 has 6 cores and 6 threads.

Cinebench R20 multi-core results show the Core 7 251TE at 10717, which is 49% higher than the Core 5 320's 5462. The same 49% delta appears in Cinebench R20 single-core, where the Core 7 251TE scores 1512 versus 771. Cinebench R15 multi-core delivers a 59% gap, with the Core 7 251TE at 2572 and the Core 5 320 at 1054. The single-core R15 test shows a smaller 23.8% difference, 362 versus 276.

The data compression test shows the Core 7 251TE at 334399, 55.5% ahead of the Core 5 320's 148779. Data encryption follows a similar pattern, with the Core 7 251TE scoring 22176 versus 10984, a 50.5% margin. Floating point math results show the Core 7 251TE at 85607, 50.4% ahead of 42440. Random string sorting gives the Core 7 251TE a 54.5% edge, 39643 versus 18038.

The smallest wins for the Core 7 251TE appear in extended instructions, where it scores 16974 versus 13262 (21.9% ahead), and in find prime numbers, where it reaches 140 versus 110 (21.4% ahead). PassMark physics shows the Core 7 251TE at 1938 versus 1221, a 37% difference. PassMark multithread gives the Core 7 251TE 30022 against 15450, a 48.5% margin.

The overall average benchmark score reflects this dominance. The Core 7 251TE averages 41650, placing it in the 88th percentile of all CPUs. The Core 5 320 averages 18023, placing it in the 72nd percentile. The nearest rivals in the database confirm the positioning: the Core 7 251TE sits within 0.6% of the Intel Core i7-14700T, while the Core 5 320 sits within 0.7% of the AMD Ryzen 5 1600 and Intel Core 5 120U.

FAQ

Q: Which processor wins more benchmark comparisons?

A: The Intel Core 7 251TE wins 15 of 17 head-to-head tests. The Intel Core 5 320 wins 2 tests, both being the PassMark single-threaded measurement.

Q: How large is the multi-core performance gap in Cinebench R23?

A: The Core 7 251TE scores 25518 in Cinebench R23 multi-core, which is 75.7% higher than the Core 5 320's 6197.

Q: Does the Core 5 320 win any benchmark?

A: Yes, it wins the PassMark single-thread and PassMark singlethread tests, scoring 4045 against 3568 for the Core 7 251TE, a 13.4% advantage.

Q: What is the average benchmark score difference?

A: The Core 7 251TE has an average benchmark score of 41650, while the Core 5 320 has 18023. The Core 7 251TE also ranks in the 88th percentile of all CPUs, versus the 72nd percentile for the Core 5 320.

Q: How do the nearest rivals compare for each processor?

A: The Core 5 320 is within 0.7% of the AMD Ryzen 5 1600 and Intel Core 5 120U, and 0.7% behind the Intel Core i5-1334U. The Core 7 251TE is within 0.2% of the Intel Core Ultra 7 265H and Intel Core i7-14650HX, and 0.6% behind the Intel Core i7-14700T.

Q: What are the memory bandwidth figures for each?

A: The Core 7 251TE has a memory bandwidth of 89.6 GB/s with dual-channel memory support. The Core 5 320 has 59.7 GB/s with single-channel memory support.

Architecture Differences

The two processors come from different Intel families and manufacturing nodes. The Core 5 320 uses the Wildcat Lake codename, built on a 3 nm process, while the Core 7 251TE uses Bartlett Lake, built on a 10 nm process. The Core 7 251TE has a die size of 215 mm², while no die size is recorded for the Core 5 320.

Core and thread counts differ substantially. The Core 5 320 has 6 cores and 6 threads, meaning no simultaneous multithreading. The Core 7 251TE has 24 cores and 32 threads, indicating 8 additional threads from hyperthreading or a hybrid arrangement. Clock speeds also differ: the Core 5 320 has a base clock of 1.50 GHz and a boost clock of 4.60 GHz, while the Core 7 251TE has a base of 1.40 GHz and a boost of 5.40 GHz.

Cache hierarchies are structured differently. 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 251TE lists 80 KB of L1 per core, 1.25 MB of L2 per core, and 36 MB of shared L3 cache. The per-core notation for the Core 7 251TE means its total cache scales with its 24 cores, while the Core 5 320 lists aggregate cache values.

Memory support differs in both type and width. The Core 5 320 supports DDR5 and LPDDR5X over a single-channel memory bus with 59.7 GB/s bandwidth. The Core 7 251TE supports DDR4 and DDR5 over a dual-channel bus with 89.6 GB/s bandwidth. The Core 7 251TE also supports ECC memory, while the Core 5 320 does not.

PCI Express capabilities differ significantly. The Core 5 320 provides Gen 4 with 6 CPU lanes, while the Core 7 251TE provides Gen 5 with 16 CPU lanes. Integrated graphics also differ: the Core 5 320 uses Intel Xe3 Graphics with 2 Xe cores, while the Core 7 251TE uses UHD Graphics 770.

The power envelope and socket differ as well. The Core 5 320 has a TDP of 15 watts and uses Intel BGA 1516, identifying it as a mobile part. The Core 7 251TE has a TDP of 45 watts and uses Intel Socket 1700, identifying it as a desktop part. The market segments confirm this: the Core 5 320 is listed as Mobile, the Core 7 251TE as Desktop. The release dates differ, with the Core 7 251TE releasing in January 2025 and the Core 5 320 in April 2026.

The Verdict

The data shows a clear performance hierarchy. The Intel Core 7 251TE dominates in every multi-threaded and most single-threaded workloads, with its smallest win being 21.4% in find prime numbers and its largest being 75.7% in Cinebench R23 multi-core. Its average benchmark score of 41650 places it in the 88th percentile, and it sits within 0.6% of the Intel Core i7-14700T, a well-established desktop processor.

The Intel Core 5 320 wins only the PassMark single-threaded tests, and by a meaningful 13.4% margin. This indicates a strong per-core design despite having fewer cores, a lower boost clock, and a 15-watt TDP. Its 72nd percentile ranking and average score of 18023 place it near the AMD Ryzen 5 1600, a much older processor, which suggests the Core 5 320 is positioned as an efficient mobile part rather than a performance leader.

For workloads that use many threads, the Core 7 251TE is the clear choice. Its 24 cores and 32 threads deliver 25518 in Cinebench R23 multi-core, and its 125739 in PassMark integer math shows exceptional throughput for compute-heavy tasks. For single-threaded responsiveness, the Core 5 320 has the edge, but only in the PassMark single-thread metric; the Core 7 251TE still wins Cinebench R15, R20, and R23 single-core tests.

The Core 7 251TE also offers platform advantages that the data supports: dual-channel memory with 89.6 GB/s bandwidth, ECC support, Gen 5 PCIe with 16 lanes, and a larger 36 MB L3 cache. The Core 5 320 counters with a smaller 15-watt TDP, a newer 3 nm process, and a single-channel memory bus. The choice between them depends on whether the priority is raw throughput or energy efficiency.

Specification Differences

The following table lists only the fields where the two processors differ:

| Specification | Intel Core 5 320 | Intel Core 7 251TE |

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

| Cores | 6 | 24 |

| Threads | 6 | 32 |

| Base Clock | 1.50 GHz | 1.40 GHz |

| Boost Clock | 4.60 GHz | 5.40 GHz |

| TDP | 15 W | 45 W |

| Socket | Intel BGA 1516 | Intel Socket 1700 |

| Codename | Wildcat Lake | Bartlett Lake |

| Process Node | 3 nm | 10 nm |

| Die Size | Not recorded | 215 mm² |

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

| L2 Cache | 2.5 MB | 1.25 MB (per core) |

| L3 Cache | 6 MB (shared) | 36 MB (shared) |

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

| Memory Bus | Single-channel | Dual-channel |

| Memory Bandwidth | 59.7 GB/s | 89.6 GB/s |

| ECC Memory | No | Yes |

| PCIe | Gen 4, 6 Lanes | Gen 5, 16 Lanes |

| Integrated Graphics | Intel Xe3 Graphics (2 Xe) | UHD Graphics 770 |

| Market Segment | Mobile | Desktop |

| Release Date | 2026-04-15 | 2025-01-12 |

| Launch MSRP | $340 | $384 |

| Part Number | SAE3H | SRQAXQ5ZG |

Where Each One Wins

The Intel Core 7 251TE wins in all multi-threaded scenarios. Cinebench R23 multi-core shows a 75.7% lead, and PassMark integer math shows a 74.3% lead. Data compression, data encryption, floating point math, and random string sorting all show margins between 50.4% and 55.5%. These results make the Core 7 251TE the appropriate choice for rendering, video encoding, scientific computation, database workloads, and any task that scales across many cores.

The Core 7 251TE also wins in most single-threaded Cinebench tests. Its Cinebench R23 single-core score of 3602 is 46.5% higher than the Core 5 320's 1926. Cinebench R20 single-core shows a 49% lead, and Cinebench R15 single-core shows a 23.8% lead. The Core 7 251TE also wins PassMark physics by 37% and extended instructions by 21.9%.

The Intel Core 5 320 wins PassMark single-threaded tests by 13.4%, scoring 4045 versus 3568. This is its only recorded benchmark victory. The Core 5 320 also has a lower TDP of 15 watts versus 45 watts, which means it consumes less power, although the database does not record thermal performance. Its 3 nm process node is newer than the 10 nm node of the Core 7 251TE, and it supports LPDDR5X memory, which is absent from the Core 7 251TE's memory support list. For mobile systems where battery life and low heat output matter, the Core 5 320 offers a lighter package on a BGA socket.

The Core 7 251TE provides platform features that favor desktop builds: dual-channel memory, ECC support, Gen 5 PCIe with 16 lanes, and a 36 MB L3 cache. The Core 5 320 provides a single-channel memory bus and Gen 4 PCIe with 6 lanes, which limits its expansion and memory throughput. The recorded data does not support any scenario where the Core 5 320 outperforms the Core 7 251TE outside of the single PassMark thread test, so the selection depends entirely on whether the user needs the 45-watt desktop-class throughput or the 15-watt mobile efficiency.