Intel Core i9-10900F vs Intel Xeon E-2386G Comparison

Where Each One Wins

The recorded benchmark data paints a remarkably one-sided picture in raw performance terms. The Intel Core i9-10900F wins all six shared benchmark comparisons, yet the margins are almost uniformly narrow. In Cinebench R15 multicore, the i9-10900F scores 1688 against the Xeon E-2386G's 1672, a delta of only 0.9%. Single-core R15 shows a similar story: 238 versus 235, a 1.3% gap. Every other shared test, R20 and R23 in both single and multicore variants, lands at a 1% delta in favor of the Core i9.

That consistency is the real takeaway. The i9-10900F does not spike ahead in any one workload; it simply edges out the Xeon everywhere. The Xeon E-2386G's strengths must therefore lie outside these shared Cinebench tests. The database includes 3DMark results for the Core i9-10900F only, with a single-thread score of 822, a 2-thread score of 1608, and scaling up to 7866 at max threads. No comparable 3DMark entries exist for the Xeon in the provided data, so the two cannot be compared on that suite. For tasks that stress the integrated graphics, the Xeon E-2386G includes UHD Graphics P750, while the Core i9-10900F has no integrated graphics listed. That makes the Xeon the only option here for systems that need a display output without a discrete GPU.

The use case split narrows to this: the Core i9-10900F is consistently slightly faster in CPU rendering workloads, while the Xeon E-2386G offers server-oriented features that the desktop chip lacks. The Xeon also carries a 59th percentile ranking versus 58th for the Core i9, despite the Core i9 winning every head-to-head benchmark. That percentile difference reflects the Xeon's average benchmark score of 4799 against the Core i9's 4664, a reversal that suggests the Xeon performs better across the broader database of tests, even if it loses the specific shared ones.

Architecture Differences

Both processors are built on Intel's 14 nm process and use the Intel Socket 1200, but they come from different architectural generations. The Xeon E-2386G is part of the Xeon E-2300 series, based on Rocket Lake, specifically the Rocket Lake-E codename. The Core i9-10900F belongs to the Core 10th Gen family, using the Comet Lake architecture. This is not a minor naming distinction. Rocket Lake and Comet Lake represent different internal designs despite sharing a process node.

Core counts diverge sharply. The Xeon E-2386G has 6 cores and 12 threads, while the Core i9-10900F has 10 cores and 20 threads. The Xeon compensates with higher base and boost clocks. Its base clock is 3.50 GHz against 2.80 GHz for the Core i9, and its boost clock reaches 5.10 GHz versus 5.20 GHz. The Core i9 holds a slight boost advantage, but the Xeon starts from a much higher baseline.

Cache layouts differ as well. The Xeon E-2386G has 80 KB of L1 per core and 512 KB of L2 per core, while the Core i9-10900F has 64 KB of L1 and 256 KB of L2 per core. The shared L3 cache, however, favors the Core i9 with 20 MB total, compared to 12 MB on the Xeon. The Xeon's larger per-core L1 and L2 allocations suggest a design tuned for per-core efficiency, while the Core i9's larger L3 pool benefits its higher core count.

Memory and I/O also separate the two. The Xeon E-2386G supports ECC memory, while the Core i9-10900F does not. PCIe generation is another differentiator: the Xeon offers Gen 4 with 20 CPU lanes, while the Core i9 is limited to Gen 3 with 16 lanes. Memory bandwidth is higher on the Xeon at 51.2 GB/s versus 46.9 GB/s, though both use dual-channel DDR4.

The market segments confirm the intended use cases. The Xeon E-2386G is classified as Server/Workstation and remains in active production. The Core i9-10900F is a Desktop part and has reached end-of-life status. The Xeon's release date is September 7, 2021, while the Core i9 came out on April 29, 2020, meaning the Xeon is the newer design by roughly 17 months.

Head-to-Head Benchmarks

The six shared Cinebench tests show a clear, if modest, pattern of Core i9-10900F superiority. In Cinebench R15 multicore, the Core i9 scores 1688 against 1672 for the Xeon, a 0.9% lead. R15 single-core shows 238 versus 235, a 1.3% edge. Moving to R20, multicore results are 7036 for the Core i9 and 6968 for the Xeon, a 1% difference. R20 single-core is 993 versus 983, again 1%. R23 multicore gives 16753 versus 16592, and R23 single-core gives 2365 versus 2342, both at 1% deltas.

These margins are small enough that they could fall within run-to-run variance for many workloads, yet the direction is consistent across every test. The Core i9-10900F's advantage in multicore tests makes sense given its 10 cores and 20 threads versus 6 and 12 for the Xeon. What is more surprising is that the Core i9 also wins single-core tests, despite the Xeon's higher base clock. The boost clock difference of 5.20 GHz versus 5.10 GHz likely explains this, but the consistent 1% gap suggests the Comet Lake architecture holds its own on lightly threaded workloads.

The Xeon E-2386G's average benchmark score of 4799 beats the Core i9's 4664, a 2.9% difference in the Xeon's favor. This is the most intriguing data point. The Xeon loses all shared Cinebench tests yet scores higher on average across the full benchmark set. The database includes 3DMark results for the Core i9 but no comparable Xeon entries, so part of that average gap may stem from tests where only the Xeon has data. The Xeon's nearest rivals include the AMD Ryzen 9 3950X at 4807, which is 0.2% ahead, and the Intel Core i5-1350P at 4776, which is 0.5% behind. The Core i9-10900F's closest rival is the Intel Core i9-11900T at 4685, which is 0.4% ahead, and the Intel Core i9-10900 at 4614, which is 1.1% behind.

Specification Differences

The two processors share a socket, process node, manufacturer, foundry, memory type, and dual-channel memory bus. Everything else in the specification table differs. Core count is 6 for the Xeon and 10 for the Core i9. Threads are 12 versus 20. Base clock is 3.50 GHz versus 2.80 GHz. Boost clock is 5.10 GHz versus 5.20 GHz. TDP is 95 watts for the Xeon and 65 watts for the Core i9, meaning the lower-core-count Xeon actually draws more power.

Cache allocations differ on every level. The Xeon has 80 KB of L1 per core, the Core i9 has 64 KB. The Xeon has 512 KB of L2 per core, the Core i9 has 256 KB. The Xeon has 12 MB of shared L3, the Core i9 has 20 MB. Memory bandwidth is 51.2 GB/s for the Xeon and 46.9 GB/s for the Core i9.

The Xeon supports ECC memory; the Core i9 does not. The Xeon uses PCIe Gen 4 with 20 lanes, while the Core i9 uses Gen 3 with 16 lanes. The Xeon includes integrated UHD Graphics P750, while the Core i9 has no integrated graphics listed. The Xeon is a Server/Workstation part with active production status; the Core i9 is a Desktop part that is end-of-life. The Xeon launched on September 7, 2021, with a launch MSRP of $450. The Core i9 launched on April 29, 2020, with a launch MSRP of $464. Neither processor has an unlocked multiplier.

FAQ

Q: Which processor has more cores?

A: The Intel Core i9-10900F has 10 cores and 20 threads, while the Intel Xeon E-2386G has 6 cores and 12 threads.

Q: Does the Xeon E-2386G support ECC memory?

A: Yes, the Xeon E-2386G supports ECC memory. The Core i9-10900F does not.

Q: Which CPU has a higher boost clock?

A: The Intel Core i9-10900F has a boost clock of 5.20 GHz, slightly higher than the Xeon E-2386G's 5.10 GHz.

Q: Which processor has integrated graphics?

A: The Xeon E-2386G includes UHD Graphics P750. The Core i9-10900F has no integrated graphics listed.

Q: How much faster is the Core i9-10900F in Cinebench R23 multicore?

A: The Core i9-10900F scores 16753 versus 16592 for the Xeon, a 1% difference.

Q: Which CPU has a higher average benchmark score?

A: The Xeon E-2386G has an average benchmark score of 4799, while the Core i9-10900F averages 4664, putting the Xeon about 2.9% ahead.

The Verdict

The benchmark data supports a clear choice for pure CPU rendering performance: the Intel Core i9-10900F wins every shared Cinebench test, with margins ranging from 0.9% to 1.3%. Its 10 cores and 20 threads give it a structural advantage in multicore workloads, and its 5.20 GHz boost clock helps in single-threaded tasks. For users building a desktop system focused on Cinebench-style rendering, the Core i9-10900F is the better performer.

The Xeon E-2386G, however, offers features that matter outside the benchmark suite. ECC memory support, PCIe Gen 4 with 20 lanes, and integrated UHD Graphics P750 make it a more complete solution for server or workstation builds. Its higher average benchmark score of 4799 versus 4664 suggests it performs better across the broader database, even though it loses the specific shared tests. The Xeon also remains in active production, while the Core i9 is end-of-life.

The data implies a trade-off between raw CPU speed and platform capability. The Core i9-10900F is the faster chip in these six benchmarks, but the Xeon E-2386G is the more versatile platform component. A workstation that needs ECC memory, a graphics output, and newer PCIe connectivity should favor the Xeon. A desktop that prioritizes multi-core rendering speed should choose the Core i9. The consistent but small performance gap means the decision should rest on platform needs, not on the benchmark deltas.