CPU Comparison

The Intel Xeon E-2286M and Intel Core i7-9700KF are two 8-core Coffee Lake processors that, despite sharing a common architectural foundation, target entirely different market segments. The data reveals a fascinating split: the Xeon E-2286M dominates in Cinebench workloads, while the Core i7-9700KF takes the lead in Geekbench tests. This divergence suggests that the two chips are optimized for different types of workloads, and the benchmark results provide a clear, if sometimes counterintuitive, picture of their respective strengths.

Head-to-Head Benchmarks

The most striking pattern in the head-to-head data is the Xeon E-2286M’s consistent victory across the entire Cinebench suite. In Cinebench R15 multicore, the Xeon scores 1295 against the Core i7-9700KF's 1219, a 6.2% advantage. This margin is almost exactly replicated in Cinebench R20 multicore, where the Xeon’s 5396 tops the Core i7’s 5082, again by 6.2%. The trend continues into Cinebench R23 multicore, with the Xeon at 12848 versus the Core i7's 12100, a 6.2% lead. The single-core Cinebench results tell the same story, with the Xeon leading by 5.8% in R15 (182 vs 172), 6.1% in R20 (761 vs 717), and 6.1% in R23 (1813 vs 1708). This uniformity across all three Cinebench generations is remarkable; it suggests a fundamental, consistent performance advantage for the Xeon in these rendering tasks, likely tied to its higher boost clock of 5.00 GHz compared to the Core i7’s 4.90 GHz.

However, the narrative flips completely when looking at Geekbench. In Geekbench multicore, the Core i7-9700KF delivers a score of 7620, which is 11.5% higher than the Xeon E-2286M’s 6746. The single-core Geekbench test shows a similar reversal, with the Core i7 at 1681 leading the Xeon’s 1537 by 8.6%. This is a dramatic divergence. While the Xeon wins six out of eight head-to-head benchmarks, the Core i7 wins the two Geekbench tests by a significantly larger margin than the Xeon’s Cinebench victories. The data implies that the Core i7-9700KF has a distinct advantage in the types of workloads Geekbench measures, which often involve memory latency and integer performance, while the Xeon’s edge is more pronounced in sustained, multi-threaded rendering tasks.

The aggregate benchmark scores reflect this split. The Xeon E-2286M has an average benchmark score of 3822, placing it with a 0.9% lead over the Core i7-9700KF in their mutual average score comparison (3822 vs 3787). Both processors sit at the 56th percentile of all CPUs, indicating they are roughly equivalent in overall standing. The Xeon’s nearest rivals include the AMD Ryzen 9 4900H (deltaPct 0%) and the Intel Core i7-8086K (deltaPct 0.6%), while the Core i7-9700KF’s nearest rivals include the AMD Ryzen 7 PRO 2700 (deltaPct 0.3%) and the Intel Core i5-1245U (deltaPct 0.3%). This places both chips in a similar performance tier, but the underlying benchmark data shows they get there through very different means.

FAQ

Q: Which processor is faster in Cinebench R23 multicore?

A: The Intel Xeon E-2286M is faster, scoring 12848 compared to the Intel Core i7-9700KF’s 12100, a 6.2% advantage.

Q: Does the Core i7-9700KF win any benchmarks?

A: Yes, it wins both Geekbench tests. It scores 7620 in Geekbench multicore (11.5% higher than the Xeon) and 1681 in Geekbench singlecore (8.6% higher).

Q: How do the two processors compare in terms of overall average score?

A: The Xeon E-2286M has an average benchmark score of 3822, while the Core i7-9700KF has an average of 3787. The Xeon leads by 0.9% in this metric.

Q: Do both processors have the same number of cores?

A: Yes, both have 8 cores. However, the Xeon E-2286M supports 16 threads, while the Core i7-9700KF supports only 8.

Q: Which processor supports ECC memory?

A: The Intel Xeon E-2286M supports ECC memory, while the Intel Core i7-9700KF does not.

Q: Is there a difference in their boost clocks?

A: Yes, the Xeon E-2286M has a boost clock of 5.00 GHz, which is slightly higher than the Core i7-9700KF’s 4.90 GHz.

Architecture Differences

While both processors are built on Intel’s 14 nm process and share the Coffee Lake architecture, there are several key architectural distinctions that explain their divergent benchmark results. The most significant difference is in threading. The Xeon E-2286M supports 16 threads via Hyper-Threading, while the Core i7-9700KF is a pure 8-core, 8-thread part. This should give the Xeon a theoretical advantage in heavily multi-threaded workloads, which is partially reflected in its Cinebench wins, though the margin is smaller than one might expect from double the thread count.

The cache configurations also differ. The Xeon E-2286M has a larger 16 MB shared L3 cache, while the Core i7-9700KF has 12 MB. Both have identical 64 KB L1 and 256 KB L2 caches per core. The larger L3 cache on the Xeon likely contributes to its consistent performance in Cinebench, which is sensitive to cache size. The socket and packaging are fundamentally different, with the Xeon using a mobile-oriented Intel BGA 1440 socket and the Core i7 using the desktop Intel Socket 1151. This is a defining physical difference that dictates their respective platforms.

The integrated graphics also separate them. The Xeon E-2286M includes Intel UHD Graphics P630, while the Core i7-9700KF has no integrated graphics, as indicated by the "F" suffix. This means the Core i7 requires a discrete GPU for any display output. The memory support is similar, with both supporting DDR4 in a dual-channel configuration and offering the same 42.7 GB/s memory bandwidth, but the Xeon adds ECC memory support, a feature critical for server and workstation reliability. The Xeon’s TDP is 45W, while the Core i7’s is 95W, which is a significant difference in power envelope and thermal output, reflecting the Xeon’s mobile origins.

The Verdict

The data paints a clear picture for different use cases. The Intel Xeon E-2286M is the winner in six of the eight benchmarks, with a consistent 6% lead in all Cinebench tests. Its 16 threads, larger 16 MB L3 cache, and higher 5.00 GHz boost clock make it the superior choice for rendering, scientific computing, and other multi-threaded workloads that rely on Cinebench-style performance. It also offers ECC memory support and integrated graphics, making it a more self-contained and reliable solution for a workstation environment.

The Intel Core i7-9700KF, while losing the Cinebench tests, demonstrates a significant advantage in Geekbench, winning by 11.5% in multicore and 8.6% in singlecore. This indicates that for applications that are sensitive to the specific memory access patterns and integer operations measured by Geekbench, the Core i7-9700KF is the stronger performer. Its unlocked multiplier also suggests it is intended for overclocking, which could further extend its lead in these scenarios. For a desktop user focused on general application responsiveness and gaming, where Geekbench results are often more indicative, the Core i7-9700KF appears to be the better fit, despite its lack of integrated graphics.

Specification Differences

The two processors differ in several key specification fields. The Xeon E-2286M has 16 threads while the Core i7-9700KF has 8. The base clock is also different, with the Xeon at 2.40 GHz and the Core i7 at 3.60 GHz, although the Xeon’s boost clock is higher at 5.00 GHz versus 4.90 GHz. The TDP is vastly different, with the Xeon at 45W and the Core i7 at 95W. The sockets are incompatible, with the Xeon using Intel BGA 1440 and the Core i7 using Intel Socket 1151. The L3 cache differs, with the Xeon having 16 MB and the Core i7 having 12 MB.

The Xeon supports ECC memory, while the Core i7 does not. The Xeon has integrated UHD Graphics P630, while the Core i7 has none. The market segments are distinct, with the Xeon targeting Server/Workstation and the Core i7 targeting Desktop. The launch MSRP for the Xeon E-2286M is $623, while the launch MSRP for the Core i7-9700KF is $374. Finally, the Core i7-9700KF has an unlocked multiplier, while the Xeon E-2286M is locked. The release dates also differ, with the Core i7 launching on 2019-01-07 and the Xeon on 2019-05-28.

Where Each One Wins

The benchmark results suggest a clear division of labor. The Intel Xeon E-2286M wins in every Cinebench test, which are heavily weighted towards sustained, multi-threaded CPU rendering. This makes it the preferred choice for 3D rendering, video encoding, and other content creation tasks that can utilize all 16 threads. Its support for ECC memory and its workstation-class feature set further solidify its position as a tool for professional, mission-critical environments where data integrity is paramount.

The Intel Core i7-9700KF, on the other hand, wins in Geekbench, which is a more general-purpose benchmark that tests everything from encryption to image processing. Its higher base clock and unlocked multiplier suggest it is designed for users who want to push performance in single-threaded and lightly-threaded applications. For a desktop gamer or a user who prioritizes low-latency, high-frequency performance in everyday tasks, the Core i7-9700KF’s Geekbench victory is the more relevant metric. In summary, the Xeon E-2286M is the champion of heavy, multi-threaded rendering workloads, while the Core i7-9700KF excels in general-purpose desktop performance, particularly in the areas measured by Geekbench.