Intel Core i5-10400F

The Intel Core i5-10400F sits squarely in the middle of the desktop processor landscape, a 6-core, 12-thread part built on the 14nm Comet Lake architecture. Its benchmark profile reveals a processor that is defined by a significant gap between its single-threaded and multi-threaded capabilities, making its suitability heavily dependent on the specific workload. The data places it at the 73rd percentile overall, with an average benchmark score of 14168, indicating it is a capable mainstream part that is now being flanked by a diverse set of rivals, from server-class EPYC chips to embedded Ryzen parts.

Single-Thread vs Multi-Thread Behavior

The performance split between lightly-threaded and fully-threaded workloads is stark. In Cinebench R23, the i5-10400F scores 1453 points in the single-core test but jumps to 10297 points in the multi-core test, a roughly 7x increase that demonstrates excellent scaling across its six physical cores and twelve threads. This scaling is consistent across other suites; Geekbench shows a jump from 1454 single-core to 5783 multi-core, and 3DMark’s thread scaling tests show a steady climb from 688 in single-thread to 4735 at max threads.

This behavior suggests a processor that feels responsive in everyday tasks like web browsing or office applications, where the single-thread score of 2541 in PassMark’s single-thread test is the primary driver. However, the real story is in the multi-threaded results. In PassMark’s multithread test, the chip achieves 12115, a figure that is nearly five times its single-thread score. The data implies that while the chip does not have class-leading single-core speed for its generation, its strength lies in its ability to mobilize all cores efficiently when the software demands it. The 3DMark 16-thread score of 4748 is nearly identical to the max-thread score of 4735, indicating that the processor is already fully saturated by 12 threads and that adding more logical processors would not yield further gains in that specific scenario.

Power and Thermals

The i5-10400F carries a 65W TDP, placing it in the standard power envelope for mainstream desktop processors. This figure is significant because it suggests that the chip does not require exotic or high-end cooling solutions to reach its rated performance. The 14nm process node, while not cutting-edge in terms of density, is a known quantity, and the power draw implies that a capable air cooler should be sufficient to manage thermals under sustained multi-threaded loads. The fact that this is not a high-TDP part means it is unlikely to be a power draw concern in a typical desktop build, and the thermal characteristics should be predictable for system integrators and DIY builders alike. The absence of a specific thermal solution in the data suggests that the chip is expected to operate within the standard constraints of its 65W class, making it a straightforward component to cool in most chassis configurations.

Platform and Compatibility

The i5-10400F is built for the Intel Socket 1200 platform, which is the defining feature of its upgrade path. It supports dual-channel DDR4 memory with a peak bandwidth of 42.7 GB/s, which is the standard for its era. The platform provides PCIe Gen 3 with 16 CPU-attached lanes, which is sufficient for a single high-end graphics card. The processor does not include integrated graphics, as indicated by the "F" suffix, meaning a discrete GPU is mandatory for any system using this chip. It also lacks ECC memory support, positioning it firmly for consumer desktop use rather than workstation or server applications. The production status is listed as "Active," and the release date is April 2020, suggesting a mature platform with a well-established ecosystem of motherboards. The upgrade path is limited to other Socket 1200 parts, which means future upgrades would require a motherboard change to move to a newer socket.

How It Compares

AMD EPYC 7552: The data shows the i5-10400F is essentially level with this server processor, with the EPYC 7552 scoring an average of 14115, a mere 0.4% lower than the Intel chip. This is a remarkable comparison, as the EPYC is a high-core-count server part, yet in the aggregate benchmark suite, their average scores are nearly identical.

AMD Ryzen 3 7320C: This rival sits slightly above the i5-10400F, with an average score of 14277, representing a -0.8% delta for the Intel part. This is a close margin, indicating that in overall benchmark averages, the lower-tier Ryzen mobile chip can keep pace with the desktop Intel part.

Intel Core i5-8500: The comparison to its predecessor reveals a small gap. The i5-8500 scores 14332 on average, which is 1.1% higher than the i5-10400F. This suggests that generational improvements in the 10th Gen part are marginal in terms of overall average score, despite architectural differences.

AMD Ryzen Embedded V2546: Another close rival, the V2546 scores 14336, making the i5-10400F 1.2% slower on average. This embedded processor’s performance parity with the desktop Intel chip highlights how competitive the landscape has become across different market segments.

Benchmark Performance

The benchmark scores reveal a nuanced performance picture when compared to the nearest rivals. In Cinebench R23 multi-core, the i5-10400F achieves 10297 points, a strong showing that is a key driver of its overall average. However, its single-thread score of 1453 in the same test is a more modest figure. The delta to the AMD Ryzen 3 7320C is -0.8% in average score, but the specific workload composition matters. For instance, in PassMark’s integer math test, the i5-10400F scores 41471, while its floating-point math score is 25956, showing a clear arithmetic strength. In data compression, it scores 185944, but in encryption, it drops to 4100, indicating that the chip’s performance is highly workload-dependent.

The average score of 14168 places it just 0.4% above the EPYC 7552’s 14115, a statistical tie. The 1.1% gap to the i5-8500 suggests that in most real-world applications, users would be hard-pressed to notice a difference between these two Intel parts. The data implies that the i5-10400F’s position is not defined by overwhelming performance in any single category, but rather by consistent, balanced scores across a wide range of tests. Its 73rd percentile ranking among all CPUs reinforces this, showing it outperforms a majority of processors but is not at the top tier.

FAQ

Q: Does the Intel Core i5-10400F have integrated graphics?

A: No, the "F" designation in its name indicates that integrated graphics are disabled, so a discrete graphics card is required for display output.

Q: What is the boost clock speed of this processor?

A: The listed boost clock is 4.30 GHz, while the base clock is 2.90 GHz.

Q: How much L3 cache does the i5-10400F have?

A: It has 12 MB of shared L3 cache, along with 64 KB of L1 and 256 KB of L2 cache per core.

Q: What memory type and bus width does it support?

A: It supports DDR4 memory in a dual-channel configuration, providing a memory bandwidth of 42.7 GB/s.

Q: What is the processor’s TDP?

A: The thermal design power (TDP) is 65 watts.

Q: Is the multiplier unlocked for overclocking?

A: No, the multiplier is locked, meaning the processor is not designed for easy overclocking.

Who Should Consider It

The i5-10400F is a natural fit for a gaming system where the 3DMark scores, such as 3929 in the 8-thread test, indicate enough multi-threaded headroom for modern game engines while the 2-thread score of 1350 ensures solid responsiveness for game logic and physics. The absence of integrated graphics is a non-issue for gamers who will pair it with a dedicated GPU. For content creators, the Cinebench R23 multi-core score of 10297 suggests it can handle video encoding and 3D rendering tasks, though the single-core score of 1453 implies that tasks like scrubbing timelines in an editor will not be its strongest suit. Office and productivity users will find the PassMark single-thread score of 2541 more than adequate for daily tasks, and the 65W TDP makes it an easy component to cool in a quiet workstation. The data does not support it as a top-tier choice for heavy, all-core workloads like 3D animation rendering, where rivals with higher core counts would pull ahead, but for the balanced mainstream user, it occupies a sweet spot. The processor’s performance parity with the EPYC 7552 in average score is an anomaly that underscores its efficiency in the benchmarks tested, making it a compelling option for those who want a well-rounded 6-core part without the high power draw of more exotic chips.