Intel Core 5 315 vs Intel Core i3-14100F Comparison

The Verdict

The recorded data presents an unusually close contest between the Intel Core i3-14100F and the Intel Core 5 315. The average benchmark scores sit at 18519 for the i3-14100F and 18188 for the Core 5 315, a gap of roughly 1.8% that places both processors at the 72nd percentile among all CPUs in the database. The head-to-head results show the i3-14100F taking 10 wins against 7 for the Core 5 315, but the margins are often slim. In the Cinebench suite, the i3-14100F wins all six tests by margins between 0.8% and 1.1%. The Core 5 315 counters with substantial victories in PassMark encryption, extended instructions, prime number finding, and floating point math. The i3-14100F holds a commanding 43.1% lead in PassMark integer math and a 20.5% lead in data compression. The Core 5 315 is the better choice for workloads involving encryption, extended instruction sets, prime number computation, and floating point operations. The i3-14100F suits integer-heavy tasks, data compression, and general multithreaded productivity. For single-thread PassMark performance, the Core 5 315 leads by 6%, but the i3-14100F edges ahead in every single-core Cinebench test. The desktop i3-14100F carries a launch MSRP of $109, while the mobile Core 5 315 carries a launch MSRP of $340. The Core 5 315 is a mobile processor with integrated graphics, a 15 TDP, and a single-channel memory bus, whereas the i3-14100F is a desktop part with a 58 TDP, dual-channel memory, and no integrated graphics.

FAQ

Q: Which processor wins more head-to-head benchmarks?

A: The Intel Core i3-14100F wins 10 of the 17 recorded head-to-head tests. The Intel Core 5 315 wins the remaining 7.

Q: How large is the performance gap in the Cinebench tests?

A: The i3-14100F wins all six Cinebench tests by margins ranging from 0.8% to 1.1%. The largest edge is in Cinebench R15 single-core, where the i3-14100F leads by 1.1%.

Q: Where does the Core 5 315 show its biggest advantage?

A: The Core 5 315 leads by 45.5% in PassMark find prime numbers, 20.5% is not its lead but the i3-14100F's lead in data compression. The Core 5 315 leads by 19.8% in data encryption, 16.7% in floating point math, 8.8% in extended instructions, 7.4% in physics, and 6% in single-thread performance.

Q: Which processor has the higher core count?

A: The Intel Core 5 315 has 6 cores and 6 threads. The Intel Core i3-14100F has 4 cores and 8 threads.

Q: Do these processors use the same socket?

A: No. The Intel Core i3-14100F uses Intel Socket 1700, while the Intel Core 5 315 uses Intel BGA 1516.

Q: Which processor supports ECC memory?

A: The Intel Core i3-14100F supports ECC memory. The Intel Core 5 315 does not.

Architecture Differences

The two processors come from different Intel families and target different market segments. The Intel Core i3-14100F belongs to the Core 14th Gen series and is built on Raptor Lake architecture with the Raptor Lake-R codename. It is a desktop part produced on Intel's 10 nm process node with a die size of 163 mm². The Intel Core 5 315 uses the Wildcat Lake codename and is a mobile processor fabricated on a 3 nm process node. The foundry for both is Intel, but the process node difference is substantial: 10 nm versus 3 nm.

The core configurations differ significantly. The i3-14100F has 4 cores and 8 threads, meaning it supports hyper-threading. The Core 5 315 has 6 cores and 6 threads, so it does not. The i3-14100F therefore relies on thread duplication to reach 8 threads from 4 physical cores, while the Core 5 315 uses 6 physical cores without extra threads. Cache hierarchies also differ. The i3-14100F provides 80 KB of L1 per core, 1.25 MB of L2 per core, and 12 MB of shared L3. The Core 5 315 provides 192 KB of L1, 2.5 MB of L2, and 6 MB of shared L3. The i3-14100F has a larger total L3 cache at 12 MB versus 6 MB.

The memory architectures diverge as well. The i3-14100F supports both DDR4 and DDR5 memory over a dual-channel bus. The Core 5 315 supports DDR5 and LPDDR5X over a single-channel bus with a recorded memory bandwidth of 59.7 GB/s. The i3-14100F has no memory bandwidth figure recorded in the database, but its dual-channel support indicates a different memory pathway. The i3-14100F supports ECC memory, while the Core 5 315 does not. PCIe connectivity also differs: the i3-14100F provides Gen 5 with 16 lanes, while the Core 5 315 provides Gen 4 with 6 lanes. The Core 5 315 includes integrated Intel Xe3 Graphics with 2 Xe cores; the i3-14100F has no integrated graphics.

The release dates are far apart. The i3-14100F was released on 2024-01-07, while the Core 5 315 has a release date of 2026-04-15. Both are listed as active in production. Neither processor has an unlocked multiplier.

Specification Differences

The base clock speeds differ by a wide margin. The i3-14100F has a base clock of 3.50 GHz, while the Core 5 315 has a base clock of 1.50 GHz. Boost clocks are closer: 4.70 GHz for the i3-14100F versus 4.40 GHz for the Core 5 315. The TDP figures reflect their different market segments. The desktop i3-14100F is rated at 58 watts, while the mobile Core 5 315 is rated at 15 watts. The socket types are incompatible: Intel Socket 1700 for the i3-14100F and Intel BGA 1516 for the Core 5 315.

The part numbers are SRMX2 for the i3-14100F and SAEFC for the Core 5 315. The i3-14100F has a launch MSRP of $109, and the Core 5 315 has a launch MSRP of $340. The i3-14100F supports ECC memory; the Core 5 315 does not. The i3-14100F supports DDR4 and DDR5; the Core 5 315 supports DDR5 and LPDDR5X. The memory bus is dual-channel on the i3-14100F and single-channel on the Core 5 315. The i3-14100F uses PCIe Gen 5 with 16 lanes; the Core 5 315 uses PCIe Gen 4 with 6 lanes. The i3-14100F has no integrated graphics; the Core 5 315 includes Intel Xe3 Graphics with 2 Xe cores. The process nodes are 10 nm for the i3-14100F and 3 nm for the Core 5 315. The die size is 163 mm² for the i3-14100F; no die size is recorded for the Core 5 315. The i3-14100F has 4 cores and 8 threads; the Core 5 315 has 6 cores and 6 threads. The i3-14100F has 12 MB of shared L3; the Core 5 315 has 6 MB of shared L3. The Core 5 315 has a recorded memory bandwidth of 59.7 GB/s; no bandwidth figure is recorded for the i3-14100F.

Head-to-Head Benchmarks

The all-core Cinebench results show a consistent pattern. In Cinebench R15 multicore, the i3-14100F scores 1318 against 1308 for the Core 5 315, a 0.8% lead. In Cinebench R20 multicore, the i3-14100F scores 5495 against 5452, again a 0.8% lead. In Cinebench R23 multicore, the i3-14100F scores 13084 against 12981, another 0.8% lead. The single-core Cinebench tests follow the same direction. In Cinebench R15 single-core, the i3-14100F scores 186 against 184, a 1.1% lead. In Cinebench R20 single-core, it scores 775 against 769, a 0.8% lead. In Cinebench R23 single-core, it scores 1847 against 1832, a 0.8% lead. None of these margins are large, but the i3-14100F wins every Cinebench test.

The PassMark suite breaks the tie into clearer strengths. The i3-14100F wins PassMark integer math by a wide margin: 45357 versus 31690, a 43.1% lead. It also wins PassMark data compression by 20.5%, scoring 176106 against 146143. The PassMark multithread test goes to the i3-14100F by 1%, with scores of 15420 against 15272. PassMark random string sorting goes to the i3-14100F by 0.3%, with scores of 17596 against 17551.

The Core 5 315 wins the remaining tests, often by substantial margins. In PassMark find prime numbers, it scores 112 against 61, a 45.5% lead. In PassMark data encryption, it scores 11119 against 8922, a 19.8% lead. In PassMark floating point math, it scores 42441 against 35370, a 16.7% lead. In PassMark extended instructions, it scores 13143 against 11984, an 8.8% lead. In PassMark physics, it scores 1163 against 1077, a 7.4% lead. In PassMark single-thread, it scores 4021 against 3778, a 6% lead. The two PassMark single-thread entries in the database record identical scores for each processor.

The pattern across the head-to-head data is clear. The i3-14100F dominates in integer math and compression, while the Core 5 315 dominates in prime number finding, encryption, floating point, extended instructions, physics, and single-thread PassMark. The Cinebench suite slightly favors the i3-14100F across both multicore and single-core tests, but the differences are under 1.1% in every case.

Where Each One Wins

The Intel Core i3-14100F is the stronger choice for integer-heavy workloads. Its 43.1% lead in PassMark integer math is the largest margin in the entire head-to-head set. It also wins PassMark data compression by 20.5%, which makes it suitable for file archiving and similar compression tasks. The i3-14100F wins the multithread PassMark test by 1% and random string sorting by 0.3%. In the Cinebench suite, it wins all six tests by narrow margins. The 4-core, 8-thread configuration appears to handle the Cinebench rendering workloads slightly better than the 6-core, 6-thread Core 5 315. The i3-14100F also supports ECC memory, dual-channel memory, DDR4 and DDR5, and PCIe Gen 5 with 16 lanes. These features make it the appropriate pick for a desktop system focused on integer processing, compression, and general productivity. Its launch MSRP of $109 also makes it the lower-cost option between the two.

The Intel Core 5 315 is the stronger choice for encryption, floating point, and specialized instruction workloads. Its 45.5% lead in PassMark find prime numbers is the largest win for either processor in the dataset. It also leads by 19.8% in data encryption, 16.7% in floating point math, 8.8% in extended instructions, 7.4% in physics, and 6% in single-thread PassMark. The 3 nm process node and 6 physical cores appear to give it an edge in these specific computations. The Core 5 315 also includes integrated Intel Xe3 Graphics with 2 Xe cores, which the i3-14100F lacks entirely. Its 15 watt TDP makes it suitable for mobile systems, and it supports LPDDR5X memory. The recorded memory bandwidth of 59.7 GB/s applies to this processor. The Core 5 315 is the better pick for workloads that stress encryption, floating point math, extended instructions, and prime number computation. Its single-thread PassMark score of 4021 is the highest single-thread score recorded for either processor in the comparison.

For users weighing the two, the decision hinges on workload type. The i3-14100F wins the majority of head-to-head tests, 10 out of 17, and holds the edge in the Cinebench suite. The Core 5 315 wins fewer tests but by larger margins in several categories. The average benchmark scores are close: 18519 for the i3-14100F and 18188 for the Core 5 315, both at the 72nd percentile. The i3-14100F is the safer pick for multithreaded productivity and integer math. The Core 5 315 is the specialized pick for encryption, floating point, and instruction-heavy tasks. The desktop versus mobile split, the socket difference, and the integrated graphics presence further separate the two. The data does not declare a single winner; it declares two distinct profiles with different strengths.