AMD EPYC 7313P vs Intel Core Ultra 5 245KF Comparison

FAQ

Q: Which processor wins more benchmark comparisons, and by how much?

A: The Intel Core Ultra 5 245KF wins 12 of the 17 head-to-head benchmark comparisons, while the AMD EPYC 7313P wins 5. The Intel part's victories include all six Cinebench tests and several PassMark workloads, while the EPYC's wins are concentrated in data compression, encryption, integer math, physics, and random string sorting.

Q: How large is the single-thread performance gap between the two?

A: In the PassMark single-thread test, the Intel Core Ultra 5 245KF scores 4715 versus 2634 for the AMD EPYC 7313P, a 79% advantage. The Cinebench R23 single-core test shows a smaller but consistent gap: 5173 versus 4934, a 4.8% lead for Intel.

Q: What is the difference in memory architecture that affects real-world workloads?

A: The Intel Core Ultra 5 245KF supports DDR5 memory over a dual-channel bus with 102.4 GB/s bandwidth, while the AMD EPYC 7313P uses DDR4 across an eight-channel interface delivering 204.8 GB/s. The EPYC also supports ECC memory, which the Intel part does not.

Q: Which processor has the higher core count and thread count?

A: The AMD EPYC 7313P has 16 cores and 32 threads, compared to the Intel Core Ultra 5 245KF's 14 cores and 14 threads. The EPYC doubles the thread count thanks to simultaneous multithreading, which the Intel part lacks.

Q: How do the two compare in the database's overall average benchmark score?

A: The Intel Core Ultra 5 245KF has an average benchmark score of 55093, while the AMD EPYC 7313P sits at 53206. Both processors occupy the 91st percentile against all CPUs in the database, indicating they land in the same overall performance tier.

Q: What are the release dates and market positioning for each chip?

A: The Intel Core Ultra 5 245KF launched on 2024-10-23 as a desktop part in the Core Ultra Series 2, while the AMD EPYC 7313P launched earlier on 2021-03-14 as a server/workstation part in the EPYC 7003 series. The Intel chip's launch MSRP is $294, and the EPYC's is $913.

Architecture Differences

The Intel Core Ultra 5 245KF and AMD EPYC 7313P represent fundamentally different design philosophies. The Intel part is built on Arrow Lake architecture, specifically the Arrow Lake-S variant, and uses a 3 nm process node from TSMC. It packs 17,800 million transistors into a 243 mm² die. The AMD EPYC 7313P, in contrast, uses Zen 3 architecture under the Milan codename, fabricated on a 7 nm process at TSMC with 16,600 million transistors spread across a 4x 81 mm² die arrangement. The node advantage for Intel is significant: a 3 nm process versus 7 nm means denser transistors and potentially better power efficiency per unit of work.

The core configurations diverge sharply. The Intel chip offers 14 cores and 14 threads, meaning no hyperthreading or multithreading support; each core handles one thread. The AMD EPYC provides 16 cores and 32 threads, doubling the thread count through simultaneous multithreading. This structural difference explains much of the benchmark behavior: the EPYC can feed more parallel work through the pipeline, while the Intel chip relies on higher per-core efficiency.

Cache hierarchies also differ in scale and organization. The Intel Core Ultra 5 245KF has 192 KB of L1 cache per core, 3 MB of L2 per core, and 24 MB of shared L3 cache. The AMD EPYC 7313P uses 64 KB of L1 per core, 512 KB of L2 per core, and a much larger 128 MB of shared L3 cache. The EPYC's L3 advantage of 128 MB versus 24 MB is a major differentiator for workloads that benefit from large on-die data residency, such as virtualization and database processing.

Memory support is another clear architectural split. The Intel processor supports DDR5 over a dual-channel bus with 102.4 GB/s peak bandwidth. The AMD EPYC uses DDR4 over an eight-channel interface, achieving 204.8 GB/s bandwidth. Despite the older memory standard, the EPYC's eight-channel configuration doubles the theoretical memory throughput, which matters for server workloads with heavy memory traffic. The EPYC also features ECC memory support, a critical requirement for server reliability, while the Intel desktop part does not.

PCIe connectivity differs as well. The Intel Core Ultra 5 245KF provides Gen 5 with 20 CPU lanes, while the AMD EPYC 7313P provides Gen 4 with 128 CPU lanes. The EPYC's lane count is far higher, suited to expansion-heavy server platforms, whereas the Intel chip targets desktop systems with modest expansion needs. The Intel part has no integrated graphics (labeled N/A), and the EPYC lists none as well; both rely on discrete GPUs.

Finally, the Intel chip has an unlocked multiplier, enabling overclocking, while the EPYC's multiplier is locked. The Intel part also comes from a newer generation (Ultra 5 Arrow Lake) versus the EPYC's Zen 3 Milan generation, reflecting a significant generational gap in IPC improvements.

Head-to-Head Benchmarks

The benchmark data paints a nuanced picture. The Intel Core Ultra 5 245KF dominates the Cinebench suite across the board. In Cinebench R15 multicore, Intel scores 3693 against AMD's 3522, a 4.9% lead. R15 single-core shows 521 versus 497, a 4.8% advantage. The pattern repeats in R20 multicore (15391 versus 14679, 4.9%) and R20 single-core (2172 versus 2072, 4.8%). Cinebench R23 multicore sees Intel at 36647 versus AMD's 34952, a 4.8% margin, and R23 single-core is 5173 versus 4934, also 4.8%. These consistent single-core and multicore Cinebench wins indicate that the Intel architecture delivers better performance per thread and per core in rendering workloads.

The PassMark results show where each chip excels. The Intel part wins PassMark multithread with 43110 versus 41121, a 4.8% edge. It also takes PassMark floating point math decisively: 131546 versus 82260, a 59.9% advantage. Extended instructions go Intel's way at 37912 versus 32784, a 15.6% lead. Find prime numbers favors Intel at 416 versus 346, a 20.2% margin. Single-thread performance is the largest gap: Intel scores 4715 versus AMD's 2634, a 79% difference that underscores the Arrow Lake per-core efficiency advantage.

The AMD EPYC 7313P counters in specific PassMark workloads. Data compression goes to AMD at 528167 versus 460123, a 12.9% lead. Data encryption favors AMD at 35727 versus 33381, a 6.6% margin. Integer math is a strong AMD win: 145558 versus 98854, a 32.1% advantage. Physics tests show AMD at 4229 versus Intel's 2998, a 29.1% lead. Random string sorting goes AMD's way at 62596 versus 55206, an 11.8% edge. These wins align with the EPYC's higher thread count and larger cache, which benefit integer-heavy, memory-intensive, and parallel server workloads.

The overall win count is 12 for Intel and 5 for AMD. The Intel chip also holds a higher average benchmark score of 55093 versus 53206, though both sit at the 91st percentile. Notably, the Intel part's nearest rivals include the AMD Ryzen 9 9900X3D at 54762 (0.6% behind) and the Intel Core 7 253PQE at 55919 (1.5% ahead), while the EPYC's nearest rivals include the AMD Ryzen 9 7900X at 53288 (0.2% ahead) and the Intel Xeon 634 at 52974 (0.4% behind). These surrounding scores confirm both processors are tightly grouped in the high-performance tier.

Specification Differences

The two processors differ across nearly every core specification. The Intel Core Ultra 5 245KF has 14 cores and 14 threads, while the AMD EPYC 7313P has 16 cores and 32 threads. Base clocks stand at 4.20 GHz for Intel versus 3.00 GHz for AMD; boost clocks are 5.20 GHz versus 3.70 GHz. The Intel part has a TDP of 125 watts, the EPYC draws 155 watts. The Intel chip uses Intel Socket 1851, the EPYC uses AMD Socket SP3.

Process technology and physical dimensions vary: Intel is on a 3 nm node with 17,800 million transistors and a 243 mm² die, while AMD is on 7 nm with 16,600 million transistors and a 4x 81 mm² die configuration. Cache sizes differ at every level: Intel has 192 KB L1 per core, 3 MB L2 per core, and 24 MB shared L3; AMD has 64 KB L1 per core, 512 KB L2 per core, and 128 MB shared L3.

Memory support is a major split: Intel uses DDR5 with dual-channel memory and 102.4 GB/s bandwidth, while AMD uses DDR4 with eight-channel memory and 204.8 GB/s bandwidth. ECC memory is supported on the EPYC only. PCIe generation and lane counts differ: Intel provides Gen 5 with 20 CPU lanes, AMD provides Gen 4 with 128 CPU lanes. The Intel part has an unlocked multiplier; the EPYC's is locked. Integrated graphics are absent on both, listed as N/A for Intel and null for AMD.

The market segments diverge: Intel targets desktop, AMD targets server/workstation. Release dates are 2024-10-23 for Intel and 2021-03-14 for AMD. The launch MSRP is $294 for the Intel part and $913 for the AMD part. Part numbers are SRQCY for Intel and 100-000000339100-100000339WOF for AMD.

The Verdict

The data supports a clear division of purpose. The Intel Core Ultra 5 245KF is the better choice for single-thread-sensitive and floating-point-heavy workloads. Its 79% lead in PassMark single-thread, 59.9% advantage in floating point math, and consistent Cinebench wins across all six tests make it the stronger desktop processor for rendering, content creation, and general productivity. The unlocked multiplier adds flexibility for enthusiasts who want to push beyond stock clocks.

The AMD EPYC 7313P, by contrast, is the server-oriented part. Its 32.1% lead in integer math, 29.1% advantage in physics, and wins in data compression, encryption, and random string sorting point to workloads that scale with thread count and cache capacity. The 128 MB of L3 cache and 204.8 GB/s memory bandwidth serve server applications better, and ECC memory support is essential for reliability-critical environments.

For a desktop user building a high-performance system, the Intel Core Ultra 5 245KF wins on every Cinebench metric and on overall average benchmark score (55093 versus 53206). For a server or workstation deployment where parallel integer throughput, memory bandwidth, and ECC matter more than single-thread speed, the AMD EPYC 7313P is the appropriate selection. The data does not indicate a universal winner; it indicates two processors tuned for different performance profiles. The Intel part's 12 benchmark wins versus the EPYC's 5 wins, combined with the EPYC's dominance in specific server-class workloads, confirms that the right choice depends entirely on the workload mix.