Intel Core i9-10900F vs Intel Xeon W-2145 Comparison

The Intel Core i9-10900F and the Intel Xeon W-2145 represent two distinct philosophies for high-core-count Intel processors. The data shows a clear generational clash, with the 10th-generation Comet Lake desktop chip taking on the older Skylake-W workstation part. While both CPUs occupy the 58th percentile among all CPUs, their benchmark profiles reveal significant differences in performance characteristics and intended use cases.

Head-to-Head Benchmarks

The head-to-head data is decisively lopsided in favor of the Core i9-10900F, which secures 7 out of 8 benchmark wins. The most striking victory comes in Geekbench single-core testing, where the i9-10900F scores 1708 against the Xeon's 1345, a massive 27% advantage. This delta is the largest in the entire comparison and highlights the fundamental architectural and clock-speed differences between the two parts.

Across the Cinebench suite, the results are remarkably consistent. In Cinebench R15, the i9-10900F leads with a multicore score of 1688 versus 1542, a 9.5% margin, while the single-core test shows 238 against 217, a 9.7% lead. This pattern repeats in Cinebench R20, where the multicore scores are 7036 and 6425 (9.5% delta), and single-core scores are 993 and 906 (9.6% delta). The consistency continues in Cinebench R23, with the i9-10900F posting 16753 multicore and 2365 single-core, against the Xeon's 15299 and 2159, both resulting in 9.5% deltas.

The only benchmark where the Xeon W-2145 emerges victorious is Geekbench multicore, where it scores 8712 against the i9-10900F's 8447, a 3% advantage for the workstation chip. This singular win is notable because it suggests that the Xeon's architecture, despite its age, handles certain multi-threaded workloads more efficiently, likely due to its memory subsystem configuration. However, the overall benchmark average tells a different story: the i9-10900F averages 4664 points, while the Xeon averages 4576, placing the Core chip slightly ahead despite losing the Geekbench multicore test.

The deltaPct values in the nearestRivals data provide additional context. The i9-10900F sits just 0.3% above the Core i9-9900KF and 1.1% above the Core i9-10900, showing it is at the top of its direct family. The Xeon W-2145, meanwhile, is 0.6% above the Xeon E-2356G and 0.7% above the Core i5-1340P, placing it in a different performance tier entirely.

Where Each One Wins

The benchmark results paint a clear picture of workload-specific strengths. The Core i9-10900F dominates in all single-threaded and lightly-threaded scenarios, which is typical for a desktop processor with a 5.20 GHz boost clock. Its 27% lead in Geekbench single-core and consistent ~9.5% advantage across all Cinebench tests indicate superior performance for everyday applications, gaming, and productivity tasks that rely on high clock speeds.

The Xeon W-2145's sole victory in Geekbench multicore is its calling card. This suggests that certain multi-threaded applications that leverage the processor's full capability may see better results on the Xeon, despite it having fewer cores (8 versus 10) and threads (16 versus 20). The Xeon's quad-channel memory bus, which provides 85.3 GB/s of bandwidth compared to the i9-10900F's dual-channel 46.9 GB/s, is the likely differentiator here. Applications that are memory-bandwidth sensitive, such as scientific computing or large dataset processing, could favor the Xeon.

For users focused on rendering, video encoding, or compiling code, the Cinebench results suggest the i9-10900F is the better choice, as it leads in every Cinebench multicore test by 9.5%. The data shows no scenario where the Xeon wins in a Cinebench test, implying that the extra two cores and higher boost clock of the i9-10900F more than compensate for any memory bandwidth advantages the Xeon possesses.

FAQ

Q: Which processor has the higher single-core performance?

A: The Intel Core i9-10900F wins decisively in all single-core tests. It scores 27% higher in Geekbench single-core (1708 vs 1345) and leads by 9.7% in Cinebench R15 single-core (238 vs 217), 9.6% in R20 (993 vs 906), and 9.5% in R23 (2365 vs 2159).

Q: Does the Xeon W-2145 win any benchmarks?

A: Yes, the Xeon W-2145 wins the Geekbench multicore test with a score of 8712 compared to the i9-10900F's 8447, a 3% advantage. This is the only benchmark out of 8 head-to-head tests where the Xeon prevails.

Q: How do their average benchmark scores compare?

A: The Core i9-10900F has an average benchmark score of 4664, while the Xeon W-2145 averages 4576. Both processors sit at the 58th percentile among all CPUs, indicating they are in the same overall performance tier.

Q: What is the core and thread difference between the two?

A: The Core i9-10900F has 10 cores and 20 threads, while the Xeon W-2145 has 8 cores and 16 threads. Despite having fewer cores, the Xeon wins in Geekbench multicore, suggesting memory bandwidth plays a significant role in that specific test.

Q: Which processor has higher clock speeds?

A: The Core i9-10900F has a base clock of 2.80 GHz and a boost clock of 5.20 GHz, while the Xeon W-2145 has a base clock of 3.70 GHz and a boost clock of 4.50 GHz. The i9-10900F's higher boost clock contributes to its single-core dominance, while the Xeon's higher base clock helps in sustained workloads.

Q: Do both processors support ECC memory?

A: No, only the Xeon W-2145 supports ECC memory. The Core i9-10900F does not offer ECC support, which is a significant differentiator for workstation and server applications where data integrity is critical.

Specification Differences

The two processors differ substantially in their core specifications. The Core i9-10900F utilizes the Intel Socket 1200, while the Xeon W-2145 uses the Intel Socket 2066. This means they are not interchangeable in any motherboard. The i9-10900F has 10 cores and 20 threads, whereas the Xeon W-2145 has 8 cores and 16 threads.

Clock speeds present an interesting trade-off. The i9-10900F has a lower base clock of 2.80 GHz but a higher boost clock of 5.20 GHz. The Xeon W-2145 counters with a higher base clock of 3.70 GHz but a lower boost clock of 4.50 GHz. The TDP figures are drastically different, with the i9-10900F rated at 65W and the Xeon W-2145 at 140W.

Memory support diverges significantly. The i9-10900F supports dual-channel DDR4 memory with 46.9 GB/s bandwidth and no ECC support. The Xeon W-2145 supports quad-channel DDR4 memory with 85.3 GB/s bandwidth and includes ECC memory support. PCIe lanes also differ, with the i9-10900F offering 16 lanes (Gen 3) and the Xeon W-2145 offering 48 lanes (Gen 3).

The release dates show a generational gap, with the Xeon released on 2017-08-28 and the i9-10900F released on 2020-04-29. The launch MSRP for the i9-10900F is $464, while the Xeon W-2145 launched at $1113. Both processors are end-of-life, neither has an unlocked multiplier, and neither includes integrated graphics.

Architecture Differences

The architectural divide between these two chips is profound. The i9-10900F is built on the Comet Lake architecture (codename Comet Lake), while the Xeon W-2145 uses the Skylake architecture (codename Skylake-W). Both are manufactured on Intel's 14 nm process node, but the Xeon has a notably larger die size of 484 mm².

Cache configurations differ substantially. Both have 64 KB of L1 cache per core, but the L2 cache differs: the i9-10900F has 256 KB per core, while the Xeon W-2145 has 1 MB per core. The L3 cache is also different, with the i9-10900F featuring 20 MB shared across all cores, while the Xeon W-2145 has only 11 MB shared.

The memory architecture is a key differentiator. The i9-10900F uses a dual-channel memory bus, while the Xeon W-2145 uses a quad-channel bus, effectively doubling the theoretical memory bandwidth (85.3 GB/s vs 46.9 GB/s). The PCIe implementation also differs, with the Xeon offering three times the number of lanes (48 vs 16).

The market segments are explicitly different: the i9-10900F is a Desktop processor, while the Xeon W-2145 targets Server/Workstation environments. This is reflected in the ECC memory support (present on Xeon, absent on i9-10900F) and the overall platform design philosophy. The part numbers are SRH90 for the i9-10900F and SR3LQ for the Xeon W-2145.

The Verdict

The data presents an unambiguous picture for most use cases. The Intel Core i9-10900F is the superior processor for nearly all workloads that rely on raw processing speed and high clock frequencies. Its 27% lead in Geekbench single-core and consistent 9.5% advantage across the Cinebench suite make it the clear choice for desktop users, gamers, and professionals running single-threaded or lightly-threaded applications. The fact that it also wins in Cinebench multicore tests, despite having fewer memory bandwidth, demonstrates that its 10 cores and 20 threads are more effective than the Xeon's 8 cores and 16 threads for these rendering workloads.

The Intel Xeon W-2145 has a narrow but important niche. Its 3% victory in Geekbench multicore indicates that applications heavily dependent on memory bandwidth could benefit from its quad-channel architecture. The 85.3 GB/s memory bandwidth, combined with ECC memory support and 48 PCIe lanes, makes it the appropriate choice for server or workstation environments where those features are non-negotiable. The Xeon's higher base clock of 3.70 GHz also suggests better sustained performance in long-running, memory-intensive tasks.

Users should consider their platform requirements first. The Socket 1200 and Socket 2066 are incompatible, so the motherboard dictates the choice. For those building a new system, the i9-10900F offers better performance in most benchmarks with a lower TDP of 65W. For those needing ECC memory or extensive PCIe connectivity, the Xeon W-2145 is the only option of the two, despite its older architecture and lower overall benchmark average. The data ultimately shows that while the i9-10900F is the faster processor, the Xeon W-2145 provides specific enterprise-grade features that the desktop chip simply cannot match.