Intel Core i5-8600T vs Intel Xeon D-1540 Comparison

Where Each One Wins

The benchmark data presents a clear and consistent picture: the Intel Xeon D-1540 wins every single Cinebench comparison in the database, across both multi-core and single-core workloads. Out of six head-to-head benchmark results, the Xeon D-1540 takes all six, with deltas ranging from 9.5% to 10% over the Core i5-8600T. This is not a case of one chip dominating in threaded workloads while the other claws back ground in lightly threaded tasks; the Xeon D-1540 leads in every recorded test.

The largest margin comes in Cinebench R15 single-core, where the Xeon D-1540 scores 121 against 110 for the Core i5-8600T, a 10% advantage. The multi-core results are nearly identical in proportional terms, with the Xeon D-1540 leading by 9.6% in Cinebench R15, R20, and R23. The R20 single-core test shows a 9.5% gap, the smallest difference recorded, but still a decisive win.

The Core i5-8600T does hold one advantage in the broader dataset: it has a Geekbench result, scoring 4277 multi-core and 1278 single-core, while the Xeon D-1540 has no Geekbench entries. But within the shared benchmark suite, there is no workload category where the Core i5-8600T comes out ahead. The data indicates that for users prioritizing raw compute throughput in rendering or similar multi-threaded tasks, the Xeon D-1540 is the stronger option. For single-threaded responsiveness, the same conclusion applies, the Xeon D-1540 leads there as well, despite the Core i5-8600T's higher boost clock. The use-case split is therefore not about performance trade-offs, it is about platform fit, power envelope, and feature support, which the architecture section addresses.

Architecture Differences

The two processors come from different Intel generations and target different market segments. The Intel Xeon D-1540 is a Broadwell-DE part, built on the 14 nm process node, with 3,200 million transistors on a 246 mm² die. It is a server and workstation chip with 8 cores and 16 threads, and it supports both DDR3 and DDR4 memory across a dual-channel bus. It also includes ECC memory support, a critical feature for reliability-sensitive workloads. The chip uses the Intel BGA 1667 socket, which means it is soldered to the board rather than upgradeable in a conventional socket.

The Intel Core i5-8600T is a Coffee Lake desktop processor, also on 14 nm, but with a smaller 154 mm² die size. It has 6 cores and 6 threads, no Hyper-Threading, and supports only DDR4 memory. It lacks ECC support entirely. The socket is Intel Socket 1151, a standard desktop socket. The Core i5-8600T includes integrated graphics, the UHD Graphics 630, while the Xeon D-1540 has no integrated graphics of its own. This is a meaningful difference for system builders: the Xeon requires a discrete GPU for any display output, whereas the Core i5-8600T can drive a display from the motherboard.

Cache layouts also differ. Both chips have 64 KB of L1 and 256 KB of L2 per core, but the L3 configuration is not the same. The Xeon D-1540 has 1.5 MB of L3 per core, while the Core i5-8600T has 9 MB of shared L3. For the 8-core Xeon, that per-core allocation implies a larger total L3 pool, though the database does not list a total L3 figure for either part. The Core i5-8600T's 9 MB shared cache is a single pool accessible by all six cores.

PCIe connectivity also differs. The Xeon D-1540 provides Gen 3 with 24 lanes, while the Core i5-8600T provides Gen 3 with 16 lanes. That gives the Xeon more headroom for expansion cards, NVMe storage, or network adapters, consistent with its server positioning. The Core i5-8600T has a higher memory bandwidth figure, listed at 42.7 GB/s, while the Xeon D-1540 does not have a bandwidth figure recorded.

The Core i5-8600T is marked as end-of-life, while the Xeon D-1540 is still active in production. The Core i5-8600T was released in April 2018, roughly three years after the Xeon D-1540's March 2015 release. The launch MSRP for the Xeon D-1540 is $581, while the Core i5-8600T launched at $213. The Xeon D-1540 has 16 threads to the Core i5-8600T's 6, which explains much of its multi-core lead despite the Core i5-8600T's higher clock speeds.

FAQ

Q: Which processor has more cores and threads?

A: The Intel Xeon D-1540 has 8 cores and 16 threads. The Intel Core i5-8600T has 6 cores and 6 threads.

Q: Does either chip support ECC memory?

A: Yes, the Xeon D-1540 supports ECC memory. The Core i5-8600T does not support ECC.

Q: Which CPU has integrated graphics?

A: The Core i5-8600T has integrated UHD Graphics 630. The Xeon D-1540 has no integrated graphics.

Q: What is the single-core performance difference in Cinebench R23?

A: The Xeon D-1540 scores 1204, while the Core i5-8600T scores 1099. That is a 9.6% advantage for the Xeon D-1540.

Q: Which chip has a higher boost clock?

A: The Core i5-8600T has a boost clock of 3.70 GHz. The Xeon D-1540 has a boost clock of 2.60 GHz. Despite this, the Xeon still wins every recorded single-core Cinebench test.

Q: What are the market segments for these two processors?

A: The Xeon D-1540 is a server and workstation part. The Core i5-8600T is a desktop part.

Q: How does the average benchmark score compare?

A: The Xeon D-1540 has an average benchmark score of 2467, while the Core i5-8600T has an average of 2383, a difference of roughly 3.5%.

Specification Differences

The table below covers only the fields where the two processors differ in the database.

| Specification | Intel Xeon D-1540 | Intel Core i5-8600T |

|---|---|---|

| Cores | 8 | 6 |

| Threads | 16 | 6 |

| Base clock | 2000.00 MHz | 2.30 GHz |

| Boost clock | 2.60 GHz | 3.70 GHz |

| TDP | 45 W | 35 W |

| Socket | Intel BGA 1667 | Intel Socket 1151 |

| Architecture | Broadwell | Coffee Lake |

| Generation | Xeon D (Broadwell-DE) | Core i5 (Coffee Lake) |

| Die size | 246 mm² | 154 mm² |

| Transistors | 3,200 million | Not listed |

| L3 cache | 1.5 MB per core | 9 MB shared |

| Memory support | DDR3, DDR4 | DDR4 only |

| Memory bandwidth | Not listed | 42.7 GB/s |

| ECC memory | Yes | No |

| PCIe lanes | Gen 3, 24 lanes | Gen 3, 16 lanes |

| Integrated graphics | None | UHD Graphics 630 |

| Market segment | Server/Workstation | Desktop |

| Production status | Active | End-of-life |

| Release date | 2015-03-08 | 2018-04-01 |

| Launch MSRP | $581 | $213 |

| Part number | SR29A | SR3X3 |

The two chips share the same 14 nm process node, 64 KB L1 per core, 256 KB L2 per core, and a dual-channel memory bus. Neither has an unlocked multiplier. The Xeon D-1540 is the larger die with more transistors, reflecting the additional cores and server-oriented features. The Core i5-8600T is smaller and draws 10 W less power, with a 35 W TDP versus 45 W for the Xeon.

Head-to-Head Benchmarks

The benchmark results are remarkably consistent. In every recorded Cinebench test, the Xeon D-1540 leads by approximately 9.5% to 10%. The largest win is in Cinebench R15 single-core, where the Xeon D-1540 scores 121 and the Core i5-8600T scores 110, a 10% delta. That result is notable because the Core i5-8600T has a significantly higher boost clock, 3.70 GHz versus 2.60 GHz, yet it still trails in a single-threaded workload. The architecture of the Xeon D-1540, despite its lower clock, delivers higher per-thread performance in this test.

In multi-core workloads, the Xeon D-1540's advantage is driven by its 8 cores and 16 threads against the Core i5-8600T's 6 cores and 6 threads. In Cinebench R15 multi-core, the Xeon D-1540 scores 859 against 784, a 9.6% lead. The same delta appears in Cinebench R20 multi-core, with scores of 3583 and 3270 respectively, and in Cinebench R23 multi-core, with 8531 against 7787. In each case, the delta is exactly 9.6%.

Single-core results in the newer Cinebench versions follow the same pattern. In Cinebench R20 single-core, the Xeon D-1540 scores 505 against 461, a 9.5% delta, and in Cinebench R23 single-core, it scores 1204 against 1099, a 9.6% delta. The consistency of these margins across different Cinebench versions suggests a stable performance relationship between the two chips, not a workload-specific anomaly.

The Core i5-8600T does have Geekbench results in the database, scoring 4277 multi-core and 1278 single-core. The Xeon D-1540 has no Geekbench entries, so no direct comparison is possible in that suite. However, the Cinebench data alone establishes the Xeon D-1540 as the faster processor in every shared test. The average benchmark score reinforces this: the Xeon D-1540 sits at 2467, while the Core i5-8600T sits at 2383. Both chips land at the 48th percentile of all CPUs in the database, but the Xeon D-1540's nearest rivals include the Intel Core i3-12100TE, which scores 2475, a -0.3% delta, and the Intel Core i5-8600, which scores 2454, a 0.5% delta. The Core i5-8600T's nearest rivals include the Intel Xeon E-2234 at 2374, a 0.4% delta, and the Intel Core i5-1038NG7 at 2398, a -0.6% delta. The Xeon D-1540's closest rival, the Core i3-12100TE, outpaces it by a narrow margin, while the Core i5-8600T sits just ahead of the Xeon E-2234. This places the two chips in the same general performance tier, but the Xeon D-1540 holds the edge in every head-to-head test the database records.