AMD Ryzen 9 8945HX vs Intel Core Ultra 5 225T Comparison

The AMD Ryzen 9 8945HX and Intel Core Ultra 5 225T are recorded in the database with a direct head-to-head result set spanning Cinebench and PassMark workloads. The AMD part, a 16-core/32-thread Zen 4 mobile processor from the 8000 series, posts an average benchmark score of 76212 and sits at the 95th percentile of all CPUs. The Intel part, a 10-core/10-thread Arrow Lake desktop chip from Core Ultra Series 2, posts 30468 and sits at the 82nd percentile. Head-to-head results give AMD 14 wins and Intel 3 wins.

Where Each One Wins

The win split is decisive. AMD takes every Cinebench result in the database, covering R15, R20, and R23 in both multi-core and single-core. AMD also wins PassMark multithread, integer math, floating point math, data compression, data encryption, extended instructions, random string sorting, and physics. Intel's wins are PassMark find prime numbers and the PassMark single-thread entries, which both record 4348.

At the broader database level, AMD's average score of 76212 sits 0.1% above the Intel Core Ultra 9 285HX and 0.6% above the AMD Ryzen 9 9950X3D. It trails the AMD EPYC Embedded 8224P and the AMD Ryzen Threadripper PRO 9945WX by 0.4% each. The Intel Core Ultra 5 225T, with an average of 30468, is 0.2% above the Intel Core i9-11980HK, 0.3% above the AMD Ryzen 5 7640HS and the AMD Ryzen 7 7736U, and 0.3% below the Intel Core i5-13600H.

These results split by workload type. The AMD processor dominates workloads that scale with cores and threads: multithreaded Cinebench, PassMark multithread, integer math, data compression, encryption, extended instructions, random string sorting, and floating point math. The Intel processor wins only the prime-number search and PassMark single-thread tests, which makes its recorded wins limited to single-thread and prime-number workloads.

Architecture Differences

The two designs differ in architecture, process node, transistor count, die size, cache layout, socket, graphics, PCIe lanes, memory bandwidth, segment, and unlock status. AMD uses Zen 4 architecture on the Dragon Range codename, built on a 5 nm process at TSMC. Intel uses Arrow Lake architecture on the Arrow Lake-S codename, built on a 3 nm process, also at TSMC. AMD's transistor count is 13,140 million across a 2x 71 mm² die, while Intel's is 17,800 million on a 243 mm² die.

The core and thread counts also differ sharply. AMD provides 16 cores and 32 threads, with 64 KB L1 and 1 MB L2 per core plus 64 MB L3. Intel provides 10 cores and 10 threads, with 192 KB L1 and 3 MB L2 per core plus 20 MB shared L3. The Intel part has more L1 and L2 per core, but the AMD part has more total L3 and more threads.

Socket assignments and market segments separate the pair as well. The AMD chip uses AMD Socket FL1 and is classified as a mobile part; the Intel chip uses Intel Socket 1851 and is a desktop part. AMD includes Radeon 610M graphics, while Intel includes Arc Xe-LPG Graphics 16EU. AMD exposes Gen 5 with 28 CPU-only PCIe lanes; Intel exposes Gen 5 with 20 CPU-only lanes. Memory support is DDR5 dual-channel for both, but bandwidth differs: 83.2 GB/s for AMD versus 102.4 GB/s for Intel. Both disable ECC. The AMD multiplier is unlocked, the Intel multiplier is not. The AMD part carries part number 100-000001848; the Intel part's part number is unknown. Release dates place the AMD part at 2025-04-22 and the Intel part at 2024-12-31.

Head-to-Head Benchmarks

Head-to-head results are dominated by the AMD processor, but the margins vary. The largest AMD win is PassMark integer math, where AMD scores 195180 against Intel's 59543, a 227.8% advantage. PassMark data compression follows at 189.6% (677755 versus 233998), random string sorting at 173.8% (78781 versus 28774), and extended instructions at 148.1% (49823 versus 20083). Data encryption lands at 123.3% (40836 versus 18289), and PassMark multithread at 102.7% (51405 versus 25358).

In Cinebench, the AMD lead is consistent between 94.4% and 94.6%. R15 multi-core shows 4305 versus 2214 (94.4%), R15 single-core 607 versus 312 (94.6%), R20 multi-core 17939 versus 9227 (94.4%), R20 single-core 2532 versus 1302 (94.5%), R23 multi-core 42713 versus 21971 (94.4%), and R23 single-core 6030 versus 3101 (94.5%).

Smaller AMD wins include PassMark floating point math at 41.9% (117453 versus 82751) and physics at 5.6% (2168 versus 2053). The Intel wins are narrower than AMD's largest margins. PassMark single-thread scores 4348 against AMD's 3907, a 10.1% Intel lead; the PassMark singlethread entry repeats the same result. PassMark find prime numbers goes to Intel by 7.7%, 284 versus 262.

FAQ

Q: Which processor has the higher average benchmark score?

A: The AMD Ryzen 9 8945HX has an average benchmark score of 76212, while the Intel Core Ultra 5 225T averages 30468. AMD also sits at the 95th percentile of all CPUs, compared with Intel's 82nd percentile.

Q: What are the biggest benchmark differences between the two?

A: The largest gap is PassMark integer math: AMD scores 195180 and Intel scores 59543, a 227.8% difference. Other large AMD wins include data compression (677755 versus 233998, 189.6%) and random string sorting (78781 versus 28774, 173.8%).

Q: Does the Intel Core Ultra 5 225T win any head-to-head tests?

A: Yes. Intel wins PassMark single-thread with 4348 versus AMD's 3907, a 10.1% lead, and PassMark find prime numbers with 284 versus 262, a 7.7% lead. The identical PassMark singlethread entry also goes to Intel.

Q: How do the core and thread counts compare?

A: AMD has 16 cores and 32 threads. Intel has 10 cores and 10 threads, so its thread count equals its core count. AMD's L3 cache is 64 MB, while Intel's shared L3 is 20 MB.

Q: Do both processors support the same memory and PCIe standards?

A: Both support DDR5 on a dual-channel bus and PCIe Gen 5. The AMD part has 28 CPU-only PCIe lanes and 83.2 GB/s memory bandwidth; the Intel part has 20 CPU-only PCIe lanes and 102.4 GB/s memory bandwidth. Neither supports ECC memory.

Specification Differences

| Field | AMD Ryzen 9 8945HX | Intel Core Ultra 5 225T |

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

| Manufacturer | AMD | Intel |

| Series | 8000 series | Core Ultra Series 2 |

| Cores | 16 | 10 |

| Threads | 32 | 10 |

| Boost clock | 5.40 | 4.90 |

| TDP | 55 | 65 |

| Socket | AMD Socket FL1 | Intel Socket 1851 |

| Architecture | Zen 4 | Arrow Lake |

| Codename | Dragon Range | Arrow Lake-S |

| Generation | Ryzen 9 (Zen 4 (Dragon Range)) | Ultra 5 (Arrow Lake) |

| Process node | 5 nm | 3 nm |

| Transistors | 13,140 million | 17,800 million |

| Die size | 2x 71 mm² | 243 mm² |

| L1 cache | 64 KB (per core) | 192 KB (per core) |

| L2 cache | 1 MB (per core) | 3 MB (per core) |

| L3 cache | 64 MB | 20 MB (shared) |

| Memory bandwidth | 83.2 GB/s | 102.4 GB/s |

| PCIe | Gen 5, 28 Lanes (CPU only) | Gen 5, 20 Lanes (CPU only) |

| Integrated graphics | Radeon 610M | Arc Xe-LPG Graphics 16EU |

| Market segment | Mobile | Desktop |

| Release date | 2025-04-22 | 2024-12-31 |

| Multiplier unlocked | true | false |

| Part number | 100-000001848 | unknown |

The Verdict

The recorded benchmarks show the AMD Ryzen 9 8945HX as the stronger processor. It wins 14 of the head-to-head tests, holds an average benchmark score of 76212 versus 30468, and ranks at the 95th percentile compared with the Intel part's 82nd. Its Cinebench margins sit between 94.4% and 94.6% in every variant, and its PassMark integer math margin reaches 227.8%. For workloads represented by Cinebench and the multithreaded PassMark suite, the data gives the AMD part a decisive edge.

The Intel Core Ultra 5 225T holds a genuine single-thread PassMark advantage, 4348 versus 3907, and it wins the prime-number test. That makes it the better fit for workloads that look like PassMark single-thread and find-prime-number tests. It also has higher memory bandwidth, 102.4 GB/s versus 83.2 GB/s, and a 3 nm process node, but those attributes do not overcome AMD's benchmark lead in this data.

The data points to a clear split. The AMD Ryzen 9 8945HX is the choice for multithreaded compute, compression, encryption, and Cinebench-style workloads. The Intel Core Ultra 5 225T is the choice only when the workload is dominated by PassMark single-thread performance or prime-number finding. The overall database ranking, average score, and head-to-head win count all point the same way.