AMD Ryzen 5 7540U vs Intel Core i5-13400 Comparison

The Intel Core i5-13400 and AMD Ryzen 5 7540U are closely matched in overall average benchmark score, differing by only 0.4%, yet their performance profiles are anything but similar. The Intel part wins 14 of 17 head-to-head benchmark comparisons, while the AMD chip takes only 3, but the margins and the nature of those wins reveal a clear split: the i5-13400 is a multi-threaded powerhouse, while the 7540U offers a slight edge in single-threaded tasks. The data shows a decisive victory for Intel in overall compute throughput, but the Ryzen’s efficiency and platform features make it a compelling alternative for specific mobile use cases.

Head-to-Head Benchmarks

The most striking result is in Geekbench multicore, where the Intel Core i5-13400 scores 12,289 against the AMD Ryzen 5 7540U’s 7,956, a massive 54.5% advantage. This is the largest single delta in the entire comparison and immediately establishes the i5-13400 as the superior choice for heavily threaded workloads. The Cinebench R23 multicore test reinforces this narrative, with the Intel part scoring 15,953 versus 10,383 for the AMD chip, a 53.6% lead. Even in Cinebench R15 multicore, the i5-13400’s 2,358 score dwarfs the 7540U’s 1,676, translating to a 40.7% win. These aren’t marginal differences; they represent a generational gap in raw multi-threaded capability.

The Intel advantage extends beyond synthetic CPU tests. In PassMark floating point math, the i5-13400 scores 58,786 against the 7540U’s 36,077, a 62.9% margin—the largest percentage win for Intel in any test. Integer math also favors Intel, with scores of 77,721 versus 60,152, a 29.2% lead. Data compression shows a 42.5% advantage (301,481 vs 211,581), and data encryption is 26.4% faster (15,880 vs 12,563). Even in extended instructions, Intel leads by 25.2% (19,161 vs 15,307). These results indicate that the i5-13400’s advantage is not confined to one type of workload; it consistently outperforms across arithmetic, memory, and cryptographic tasks.

The AMD Ryzen 5 7540U’s wins are narrow but noteworthy. In PassMark single-thread, the 7540U scores 3,544 versus the i5-13400’s 3,538, a 0.2% margin. The same 0.2% advantage appears in the duplicate PassMark singlethread test. In Cinebench R15 single-core, the AMD chip wins with 264 points against Intel’s 257, a 2.7% lead. However, this single-core advantage does not carry over to Cinebench R23 single-core, where Intel wins 1,786 to 1,699 (5.1% lead), nor to Geekbench single-core, where Intel wins 2,112 to 2,083 (1.4% lead). The 7540U’s single-thread wins are real but inconsistent across benchmarks, suggesting a marginal advantage in specific legacy workloads rather than a universal single-core superiority.

Where Each One Wins

The Intel Core i5-13400 is the clear winner for multi-threaded, compute-heavy applications. Its 54.5% lead in Geekbench multicore and 53.6% lead in Cinebench R23 multicore make it the obvious choice for video rendering, 3D modeling, software compilation, and any workload that scales with core count. The 62.9% advantage in floating point math indicates strong performance in scientific simulations and financial modeling. The 42.5% lead in data compression and 26.4% in encryption suggest it handles database workloads and secure data processing more efficiently. For users running parallel tasks, virtual machines, or content creation suites, the i5-13400’s 10 cores and 16 threads provide a substantial performance buffer.

The AMD Ryzen 5 7540U’s wins are confined to light, single-threaded tasks. Its 0.2% lead in PassMark single-thread and 2.7% lead in Cinebench R15 single-core suggest it may offer slightly snappier response in older applications that are not well-optimized for multi-threading. However, this advantage is minimal and does not appear in newer single-thread tests like Cinebench R23 (where Intel wins) or Geekbench single-core (where Intel wins). The 7540U’s real strength lies outside pure benchmark scores: it is a mobile part with a 28W TDP, making it suitable for thin-and-light laptops where thermals and battery life are paramount. The data shows it trades significant multi-thread performance for a much lower power envelope.

Architecture Differences

The architectural divide is stark. The Intel Core i5-13400 is built on a 10nm process at Intel, using the Raptor Lake-S architecture, while the AMD Ryzen 5 7540U uses TSMC’s 4nm process with the Zen 4 (Phoenix) architecture. This process difference is significant: TSMC’s 4nm node is more advanced, allowing the 7540U to pack 25,000 million transistors into a 178 mm² die, whereas the i5-13400 uses a larger 215 mm² die. The core counts differ dramatically: the i5-13400 has 10 cores and 16 threads, while the 7540U has 6 cores and 12 threads. This core deficit is the primary reason for the Intel part’s multi-thread dominance.

Cache configurations also diverge. The i5-13400 has 80 KB of L1 cache per core, 1.25 MB of L2 per core, and 20 MB of shared L3 cache. The 7540U has smaller 64 KB L1 and 1 MB L2 per core, plus 16 MB of shared L3. The Intel part’s larger L3 cache likely contributes to its substantial lead in data compression and integer math tests. Memory support differs: the i5-13400 supports both DDR4 and DDR5, while the 7540U supports only DDR5. The AMD part has a rated memory bandwidth of 89.6 GB/s, which is not available for the Intel chip. The 7540U also supports ECC memory, a feature the i5-13400 lacks, making it attractive for error-sensitive computing tasks.

PCIe connectivity and integrated graphics are other differentiators. The Intel chip offers Gen 5 with 16 lanes (CPU only), while the AMD part offers Gen 4 with 20 lanes. The i5-13400 includes UHD Graphics 730, and the 7540U has Radeon 740M. The 7540U’s integrated graphics are likely more capable for gaming and media tasks, though the data does not provide specific graphics benchmarks. The AMD part is a mobile processor on the FP7 socket, while the Intel chip is a desktop processor on Socket 1700, reflecting their different target markets.

The Verdict

The data is unambiguous: the Intel Core i5-13400 is the superior processor for anyone needing raw compute performance. It wins 14 of 17 benchmark comparisons, with margins ranging from 1.4% (Geekbench single-core) to 62.9% (PassMark floating point math). Its 54.5% lead in Geekbench multicore and 53.6% in Cinebench R23 multicore make it the definitive choice for multi-threaded workloads like video editing, 3D rendering, and software development. The i5-13400’s 10 cores and 16 threads, combined with 20 MB of L3 cache, deliver a level of performance that the 7540U cannot match. For desktop users who prioritize speed and have access to a power supply, the i5-13400 is the clear winner.

The AMD Ryzen 5 7540U’s case rests on efficiency and mobile suitability, not benchmark dominance. It wins only 3 tests, all single-threaded, with the largest margin being a 2.7% lead in Cinebench R15 single-core. Its 28W TDP versus the i5-13400’s 65W TDP makes it the only sensible choice for laptops where thermal and power constraints are critical. The 7540U also offers ECC memory support and a more advanced 4nm process, which may appeal to users building compact, low-power systems. However, the data shows it sacrifices 30-50% or more of multi-thread performance to achieve this efficiency. If the workload is predominantly single-threaded and power efficiency is paramount, the 7540U is acceptable, but for any serious compute task, the i5-13400 is the verdict.

FAQ

Q: Which processor has the higher average benchmark score?

A: The Intel Core i5-13400 has an average benchmark score of 24,280, while the AMD Ryzen 5 7540U scores 24,188, a difference of 0.4% in favor of Intel.

Q: How large is the Intel's lead in multi-core performance?

A: The Intel Core i5-13400 leads by 54.5% in Geekbench multicore (12,289 vs 7,956) and by 53.6% in Cinebench R23 multicore (15,953 vs 10,383).

Q: Does the AMD Ryzen 5 7540U win any benchmark tests?

A: Yes, it wins 3 tests: PassMark single-thread (3,544 vs 3,538), PassMark singlethread (3,544 vs 3,538), and Cinebench R15 single-core (264 vs 257). The margins are 0.2%, 0.2%, and 2.7%, respectively.

Q: What is the difference in core and thread counts?

A: The Intel Core i5-13400 has 10 cores and 16 threads, while the AMD Ryzen 5 7540U has 6 cores and 12 threads.

Q: Which processor supports ECC memory?

A: The AMD Ryzen 5 7540U supports ECC memory, while the Intel Core i5-13400 does not.

Q: What are the process nodes for each processor?

A: The Intel Core i5-13400 is built on a 10nm process, while the AMD Ryzen 5 7540U uses a 4nm process.

Specification Differences

| Specification | Intel Core i5-13400 | AMD Ryzen 5 7540U |

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

| Cores | 10 | 6 |

| Threads | 16 | 12 |

| Base Clock | 2.50 GHz | 3.20 GHz |

| Boost Clock | 4.60 GHz | 4.90 GHz |

| TDP | 65 W | 28 W |

| Socket | Intel Socket 1700 | AMD Socket FP7 |

| Architecture | Raptor Lake | Zen 4 |

| Codename | Raptor Lake-S | Phoenix |

| Process Node | 10 nm | 4 nm |

| Foundry | Intel | TSMC |

| Die Size | 215 mm² | 178 mm² |

| Transistors | N/A | 25,000 million |

| L1 Cache | 80 KB (per core) | 64 KB (per core) |

| L2 Cache | 1.25 MB (per core) | 1 MB (per core) |

| L3 Cache | 20 MB (shared) | 16 MB (shared) |

| Memory Support | DDR4, DDR5 | DDR5 |

| Memory Bandwidth | N/A | 89.6 GB/s |

| ECC Memory | false | true |

| PCIe | Gen 5, 16 Lanes (CPU only) | Gen 4, 20 Lanes (CPU only) |

| Integrated Graphics | UHD Graphics 730 | Radeon 740M |

| Market Segment | Desktop | Mobile |

| Launch MSRP | $221 | N/A |