Intel Core i5-8600K vs Intel Xeon D-1567 Comparison

The Intel Core i5-8600K and Intel Xeon D-1567 are two very different Intel processors aimed at different tasks, but the benchmark data puts them in the same performance bracket. The Xeon D-1567 wins every single head-to-head benchmark in this comparison, yet the two chips post nearly identical average scores of 2807 for the i5-8600K and 2770 for the Xeon D-1567. This is a case where the overall average hides a consistent, if modest, edge for the server-oriented part.

Head-to-Head Benchmarks

The data is unambiguous: the Intel Xeon D-1567 wins all six benchmark comparisons, with each victory coming by roughly the same margin. In Cinebench R15 multicore, the Xeon scores 965 against the i5-8600K’s 867, a delta of -10.2% from the i5’s perspective. The single-core R15 test shows a similar gap, with the Xeon at 136 and the i5 at 122, a -10.3% difference. This pattern holds across newer Cinebench versions. In R20 multicore, the Xeon’s 4022 beats the i5’s 3616 by -10.1%, and in R20 single-core, the Xeon’s 567 tops the i5’s 510 by the same -10.1%. The R23 results repeat the story: 9578 versus 8611 in multicore and 1352 versus 1215 in single-core, both with a -10.1% delta.

What is notable is the consistency of the gap. Each benchmark shows the Xeon leading by approximately 10%, whether the workload is heavily threaded or purely single-threaded. That consistency suggests the Xeon D-1567’s advantage is not about core count scaling, but rather a fundamental per-thread performance edge in these specific Cinebench workloads. The i5-8600K’s higher boost clock of 4.30 GHz does not translate into a win in any tested scenario, as the Xeon’s 2.70 GHz boost proves sufficient to stay ahead. The Geekbench results, which were only recorded for the i5-8600K, show scores of 5997 multicore and 1514 single-core, but without a comparable Xeon score, they do not factor into the head-to-head analysis.

The average benchmark score tells a slightly different story. The i5-8600K averages 2807, while the Xeon D-1567 averages 2770. That puts the i5 ahead by a hair, and both processors land in the 51st percentile among all CPUs. The nearest rivals for the i5 include the Intel Atom x7211RE at 2811 (-0.1% delta), the Intel Core i5-11300H at 2792 (0.6% delta), the Intel Xeon E-2324G at 2823 (-0.6% delta), and the Intel Xeon E5-4627 v3 at 2789 (0.7% delta). For the Xeon D-1567, the closest competitors are the AMD Ryzen 3 PRO 4350GE at 2767 (0.1% delta), the AMD Ryzen 3 PRO 4350G at 2774 (-0.2% delta), the Intel Core i7-5930K at 2775 (-0.2% delta), and the AMD Ryzen 3 5400U at 2765 (0.2% delta). In other words, both chips sit in a dense pack of mid-range performers, and the 10% head-to-head gap between them is larger than the gaps to their external rivals.

Where Each One Wins

Based strictly on the benchmark wins, the Intel Xeon D-1567 is the clear winner in every measured category. It takes the multicore tests and the single-core tests, meaning it is the better choice for Cinebench-style rendering workloads regardless of thread count. The Xeon’s 12 cores and 24 threads, paired with its 65 W TDP, deliver higher scores than the i5-8600K’s 6 cores and 6 threads running at a 95 W TDP. For anyone running CPU-bound rendering, video encoding, or other compute tasks that resemble Cinebench, the data points to the Xeon.

The Intel Core i5-8600K does not win any head-to-head benchmark, so its wins are indirect. It has a higher boost clock of 4.30 GHz versus the Xeon’s 2.70 GHz, which suggests it could be more responsive in lightly threaded, latency-sensitive tasks, but no benchmark in this pack confirms that. The i5 also has integrated graphics (UHD Graphics 630), while the Xeon has none, so the i5 can drive a display without a discrete GPU. That is a functional advantage, not a performance one. The i5’s unlocked multiplier means it can be overclocked, and the data shows its average score of 2807 slightly edges the Xeon’s 2770 in the overall average, but that average comes from a mix of tests where the i5 did not participate in all the same workloads as the Xeon.

The Verdict

From the data alone, the Intel Xeon D-1567 is the better processor for raw compute performance. It wins every benchmark in the head-to-head comparison, and the margins are consistent at around 10%. If the workload is rendering or multi-threaded processing as represented by Cinebench R15, R20, and R23, the Xeon is the pick. Its 12 cores and 24 threads give it a structural advantage that the i5-8600K cannot overcome, even with a higher clock speed. The Xeon also does this at a lower TDP of 65 W versus the i5’s 95 W, and it supports ECC memory, which matters for data integrity in server environments.

The Intel Core i5-8600K is the pick only if the specific requirements fall outside the benchmark data. It has integrated graphics, so a system built around it does not need a separate GPU for basic display output. Its unlocked multiplier allows overclocking, which could push performance beyond stock levels, though no overclocked scores are in this pack. The i5’s average benchmark score of 2807 is marginally higher than the Xeon’s 2770, but that average is not a reliable guide because the two chips do not share the same set of test results. The Xeon has no Geekbench scores in this data, while the i5 does. In the tests where both were measured, the Xeon wins outright. For most users comparing these two, the Xeon D-1567 is the straightforward choice on performance, with the caveat that it uses a BGA 1667 socket, meaning it is soldered to the board and not upgradeable.

FAQ

Q: Which CPU has higher multi-core performance in Cinebench R23?

A: The Intel Xeon D-1567 scores 9578 in Cinebench R23 multicore, which is 10.1% higher than the Intel Core i5-8600K’s 8611.

Q: Does the Intel Core i5-8600K win any benchmark against the Xeon D-1567?

A: No. The Xeon D-1567 wins all six head-to-head benchmarks, covering Cinebench R15, R20, and R23 in both single-core and multicore tests.

Q: What is the difference in core and thread counts?

A: The Intel Core i5-8600K has 6 cores and 6 threads, while the Intel Xeon D-1567 has 12 cores and 24 threads.

Q: Which processor supports ECC memory?

A: The Intel Xeon D-1567 supports ECC memory. The Intel Core i5-8600K does not.

Q: How do their average benchmark scores compare?

A: The Intel Core i5-8600K has an average benchmark score of 2807, and the Intel Xeon D-1567 has an average of 2770, a difference of 0.1% in favor of the i5.

Q: Do both CPUs have integrated graphics?

A: No. The Intel Core i5-8600K includes UHD Graphics 630, while the Intel Xeon D-1567 has no integrated graphics.

Architecture Differences

The two processors come from different Intel architecture generations. The Intel Core i5-8600K is built on Coffee Lake, a 14 nm process, and is classified as a desktop part in the Core i5 generation. The Intel Xeon D-1567 uses the Broadwell architecture, specifically Broadwell-DE, also on a 14 nm process, but it is a server/workstation part. The Xeon packs 3,200 million transistors on a 246 mm² die, while the i5’s transistor count and die size are not listed in the data.

Cache layouts differ substantially. The i5-8600K has 9 MB of shared L3 cache, while the Xeon D-1567 uses a per-core L3 design of 1.5 MB per core. Both have 64 KB of L1 cache per core and 256 KB of L2 cache per core. Memory support is another split: the i5 supports only DDR4, while the Xeon supports both DDR3 and DDR4. The i5 offers dual-channel memory with a bandwidth of 42.7 GB/s, while the Xeon’s bandwidth is not listed. PCIe lanes also differ, with the i5 providing 16 Gen 3 lanes and the Xeon providing 24 Gen 3 lanes, both CPU-only. The i5 has integrated UHD Graphics 630, the Xeon has none. The i5’s multiplier is unlocked, the Xeon’s is locked.

Specification Differences

The Intel Core i5-8600K and Intel Xeon D-1567 differ on nearly every core specification. The i5 has 6 cores and 6 threads, while the Xeon has 12 cores and 24 threads. Base clocks are 3.60 GHz for the i5 and 2.10 GHz for the Xeon, with boost clocks of 4.30 GHz and 2.70 GHz, respectively. The i5’s TDP is 95 W, the Xeon’s is 65 W. The i5 uses the Intel Socket 1151, while the Xeon uses Intel BGA 1667, meaning the Xeon is soldered to the motherboard. The i5’s release date is 2017-10-04, and the Xeon’s is 2016-02-23. The i5 is end-of-life, while the Xeon is active. The i5’s launch MSRP is $257, and the Xeon’s is 1199. The i5’s part number is SR3QU, the Xeon’s is SR2M3. The i5 supports only DDR4 memory, the Xeon supports DDR3 and DDR4. The i5 does not support ECC memory, the Xeon does. The i5 has 16 PCIe lanes, the Xeon has 24. The i5 has integrated graphics, the Xeon does not. The i5’s memory bandwidth is 42.7 GB/s, the Xeon’s is not listed. The i5 has 9 MB shared L3 cache, the Xeon has 1.5 MB per core L3.