Intel Core 7 251TE vs Intel Core Ultra 5 225T Comparison

Where Each One Wins

The benchmark data splits these two Intel desktop processors into clear use-case territories. The Intel Core 7 251TE wins 12 of the 17 recorded head-to-head tests, while the Intel Core Ultra 5 225T takes 5. The Core 7 251TE dominates in multi-threaded and throughput-oriented workloads, while the Core Ultra 5 225T shows strength in single-thread responsiveness and specific math operations.

For heavily parallel workloads like rendering, video encoding, and database processing, the Core 7 251TE is the clear choice. Its Cinebench R23 multi-core score of 25518 versus 21971 for the Core Ultra 5 225T represents a 16.1% advantage. The gap widens further in integer math, where the Core 7 251TE scores 125739 against 59543, a 111.2% lead. Data compression also favors the Core 7 251TE heavily, with a 42.9% edge (334399 versus 233998). These results point to a processor designed for sustained heavy compute.

The Core Ultra 5 225T, conversely, wins the single-thread PassMark race decisively. Its 4348 score beats the Core 7 251TE's 3568 by 17.9%. It also handles prime number finding much better, scoring 284 versus 140, a 50.7% advantage. Extended instruction workloads go to the Core Ultra 5 225T as well, with 20083 versus 16974, a 15.5% edge. Physics calculations also favor the Core Ultra 5 225T, albeit narrowly at 2053 versus 1938, a 5.6% lead. These wins suggest a processor that excels in latency-sensitive, lightly threaded tasks.

The overall average benchmark score reflects this split: the Core 7 251TE averages 41650 across all tests, placing it in the 88th percentile of all CPUs. The Core Ultra 5 225T averages 30468, sitting in the 82nd percentile. The Core 7 251TE sits closest to the Intel Core Ultra 7 265H, with a delta of just 0.1%. The Core Ultra 5 225T's nearest rival is the Intel Core i9-11980HK, also within 0.2%.

Architecture Differences

The two processors come from fundamentally different design generations. The Core 7 251TE uses the Bartlett Lake codename, built on a 10 nm process at Intel's own foundry. The Core Ultra 5 225T belongs to the Arrow Lake-S family, manufactured on a 3 nm process by TSMC, and carries the Arrow Lake architecture. This node difference explains part of the performance character: the 3 nm part achieves higher single-thread efficiency, while the 10 nm part leverages a larger core count.

Core counts differ dramatically. The Core 7 251TE packs 24 cores and 32 threads, while the Core Ultra 5 225T offers 10 cores and 10 threads. The Core Ultra 5 225T has no hyperthreading, which partly explains its lower multi-thread scores despite the architectural advantage. The Core 7 251TE also runs a higher boost clock at 5.40 GHz versus 4.90 GHz for the Core Ultra 5 225T, though its base clock is lower at 1.40 GHz versus 2.50 GHz.

Cache layouts diverge significantly. The Core 7 251TE provides 80 KB of L1 per core and 1.25 MB of L2 per core, with 36 MB of shared L3. The Core Ultra 5 225T offers larger per-core caches, 192 KB L1 and 3 MB L2, but only 20 MB of shared L3. The Core 7 251TE's larger L3 pool helps in multi-threaded scenarios where shared data gets reused across cores.

Memory support separates them further. The Core 7 251TE supports both DDR4 and DDR5, while the Core Ultra 5 225T is DDR5-only. Both run dual-channel memory, but the Core Ultra 5 225T achieves higher bandwidth at 102.4 GB/s versus 89.6 GB/s. ECC memory is available on the Core 7 251TE but not on the Core Ultra 5 225T, which matters for error-sensitive workstation workloads.

The integrated graphics differ as well. The Core 7 251TE includes UHD Graphics 770, while the Core Ultra 5 225T uses Arc Xe-LPG Graphics with 16 execution units. PCIe lanes also differ: the Core 7 251TE provides Gen 5 with 16 CPU lanes, while the Core Ultra 5 225T offers Gen 5 with 20 CPU lanes. The socket changes too, with the Core 7 251TE on Intel Socket 1700 and the Core Ultra 5 225T on Intel Socket 1851.

FAQ

Q: Which processor has more cores and threads?

A: The Intel Core 7 251TE has 24 cores and 32 threads. The Intel Core Ultra 5 225T has 10 cores and 10 threads, with no hyperthreading support.

Q: Is the Core Ultra 5 225T faster in single-threaded tasks?

A: Yes. The PassMark single-thread score is 4348 for the Core Ultra 5 225T versus 3568 for the Core 7 251TE, a 17.9% difference in favor of the Core Ultra 5 225T.

Q: Does the Core 7 251TE support ECC memory?

A: Yes, ECC memory is supported on the Core 7 251TE. The Core Ultra 5 225T does not support ECC memory.

Q: Which processor has a higher boost clock?

A: The Core 7 251TE boosts to 5.40 GHz, while the Core Ultra 5 225T boosts to 4.90 GHz. The Core Ultra 5 225T has a higher base clock at 2.50 GHz versus 1.40 GHz.

Q: How much L3 cache does each processor have?

A: The Core 7 251TE has 36 MB of shared L3 cache. The Core Ultra 5 225T has 20 MB of shared L3 cache.

Q: What memory types does each support?

A: The Core 7 251TE supports both DDR4 and DDR5. The Core Ultra 5 225T supports only DDR5.

Specification Differences

| Specification | Intel Core 7 251TE | Intel Core Ultra 5 225T |

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

| Cores | 24 | 10 |

| Threads | 32 | 10 |

| Base clock | 1.40 GHz | 2.50 GHz |

| Boost clock | 5.40 GHz | 4.90 GHz |

| TDP | 45 W | 65 W |

| Socket | Intel Socket 1700 | Intel Socket 1851 |

| Codename | Bartlett Lake | Arrow Lake-S |

| Architecture | (not specified) | Arrow Lake |

| Process node | 10 nm | 3 nm |

| Foundry | Intel | TSMC |

| Transistors | (not specified) | 17,800 million |

| Die size | 215 mm² | 243 mm² |

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

| L2 cache | 1.25 MB (per core) | 3 MB (per core) |

| L3 cache | 36 MB (shared) | 20 MB (shared) |

| Memory support | DDR4, DDR5 | DDR5 |

| Memory bandwidth | 89.6 GB/s | 102.4 GB/s |

| ECC memory | Supported | Not supported |

| PCIe | Gen 5, 16 lanes (CPU) | Gen 5, 20 lanes (CPU) |

| Integrated graphics | UHD Graphics 770 | Arc Xe-LPG Graphics 16EU |

| Release date | 2025-01-12 | 2024-12-31 |

| Launch MSRP | $384 | (not available) |

Head-to-Head Benchmarks

The Cinebench suite shows consistent single-thread and multi-thread wins for the Core 7 251TE. In Cinebench R15 multi-core, it scores 2572 against 2214, a 16.2% lead. Single-core R15 shows 362 versus 312, a 16% margin. The R20 and R23 versions repeat this pattern: R20 multi-core gives 10717 versus 9227 (16.1%), single-core gives 1512 versus 1302 (16.1%). R23 multi-core delivers 25518 versus 21971 (16.1%), and single-core 3602 versus 3101 (16.2%). Every Cinebench test lands within a narrow 16% to 16.2% window, indicating a consistent architectural advantage for the Core 7 251TE across all rendering workloads.

PassMark results tell a more varied story. Integer math heavily favors the Core 7 251TE, with 125739 versus 59543, a staggering 111.2% difference. Multi-thread performance also goes to the Core 7 251TE at 30022 versus 25358, an 18.4% edge. Data compression shows 334399 versus 233998, a 42.9% gap. Random string sorting gives 39643 versus 28774, a 37.8% win. Data encryption scores 22176 versus 18289, a 21.3% advantage. Floating point math is closer, with 85607 versus 82751, only a 3.5% lead for the Core 7 251TE.

The Core Ultra 5 225T claims the remaining PassMark tests. Single-thread performance is its strongest showing, 4348 versus 3568, a 17.9% win. Prime number finding shows 284 versus 140, a 50.7% advantage. Extended instructions give 20083 versus 16974, a 15.5% edge. Physics simulation results in 2053 versus 1938, a 5.6% lead. These wins are concentrated in areas where per-core efficiency and instruction-level parallelism matter more than raw core count.

The average benchmark scores place each processor against different competition tiers. The Core 7 251TE's 41650 average sits within 0.1% of the Intel Core Ultra 7 265H and within 0.2% of the Intel Core i7-14650HX. The Core Ultra 5 225T's 30468 average lands within 0.2% of the Intel Core i9-11980HK and within 0.3% of the AMD Ryzen 5 7640HS. These reference points show the Core 7 251TE competing with higher-end mobile HX parts, while the Core Ultra 5 225T aligns with upper-midrange mobile processors.

The Verdict

The data supports a straightforward selection based on workload type. The Intel Core 7 251TE is the processor for multi-threaded, compute-heavy applications. Its 24 cores and 32 threads deliver decisive wins in integer math, data compression, and all Cinebench multi-core tests. The 111.2% lead in integer math and 42.9% lead in data compression indicate particularly strong performance in database, scientific, and content creation workloads. The 36 MB of shared L3 cache and ECC memory support further reinforce its suitability for professional and server-adjacent tasks.

The Intel Core Ultra 5 225T serves a different need. Its 3 nm process and Arrow Lake architecture deliver superior single-thread performance, shown by the 17.9% PassMark single-thread win. The 50.7% advantage in prime number finding and 15.5% edge in extended instructions suggest strong performance in latency-sensitive, branch-heavy code. The 102.4 GB/s memory bandwidth and 20 PCIe Gen 5 lanes give it an edge in memory-bound and I/O-heavy scenarios. Its higher 65 W TDP versus 45 W indicates a different power envelope, though both are low-power desktop parts.

For a builder prioritizing multi-core throughput, rendering speed, or heavy parallel compute, the Core 7 251TE is the data-backed choice. For workloads that depend on single-thread responsiveness, quick math operations, or high memory bandwidth, the Core Ultra 5 225T delivers measurable advantages. The overall average benchmark scores reflect this: the Core 7 251TE holds an 88th percentile rank versus 82nd for the Core Ultra 5 225T, but the Core Ultra 5 225T's targeted wins show it is not simply a weaker part, it is a different tool for a different job.