Intel Core i5-8600T vs Intel Xeon E5-2629 v3 Comparison

The Intel Core i5-8600T and the Intel Xeon E5-2629 v3 represent two distinct approaches to processing: a low-power desktop part and a server/workstation part from different eras. The recorded data shows a remarkably consistent outcome across all measured benchmarks, with the Xeon E5-2629 v3 taking a narrow but decisive lead in every single test.

Head-to-Head Benchmarks

The benchmark results show a complete sweep for the Intel Xeon E5-2629 v3, which wins all six head-to-head comparisons. However, the margin of victory is consistently small, never exceeding 1.8 percent. This indicates that despite architectural differences, the overall performance output is closely matched.

In the Cinebench R15 suite, the Xeon E5-2629 v3 scores 795 in the multi-core test against the i5-8600T's 784, a delta of -1.4 percent. The single-core result is closer in percentage terms, with the Xeon at 112 and the i5 at 110, a delta of -1.8 percent. These are the closest margins in the entire comparison, suggesting that the single-threaded capabilities of both processors are nearly identical.

Moving to Cinebench R20, the multi-core scores are 3315 for the Xeon and 3270 for the i5-8600T, again a -1.4 percent delta. The single-core test shows the Xeon at 467 and the i5 at 461, a -1.3 percent difference. The pattern holds in Cinebench R23, where the multi-core scores are 7893 and 7787 respectively, and the single-core scores are 1114 and 1099. Both R23 tests show a delta of -1.3 percent.

The Geekbench results are not part of the head-to-head array, but the absolute scores from the database provide additional context. The i5-8600T scores 4277 in Geekbench multi-core and 1278 in single-core. The Xeon E5-2629 v3 does not have Geekbench entries in the record, so a direct comparison for this suite is not possible.

The data suggests that the Xeon E5-2629 v3 holds a consistent, albeit minor, advantage across all rendering workloads tested. The largest percentage gap is in Cinebench R15 single-core, where the Xeon leads by 1.8 percent. In all other tests, the Xeon leads by either 1.3 or 1.4 percent. This uniformity implies that the performance difference is a baseline characteristic of the two designs rather than a workload-specific advantage.

Where Each One Wins

The Intel Xeon E5-2629 v3 is the winner in every benchmark category recorded. This includes all multi-core and single-core tests in Cinebench R15, R20, and R23. For workloads that rely on these rendering benchmarks, the Xeon is the faster processor.

The Intel Core i5-8600T does not win any of the six head-to-head tests. However, its performance is only marginally behind. In multi-core tests, the gap is 1.4 percent in R15 and R20, and 1.3 percent in R23. In single-core tests, the gap is 1.8 percent in R15 and 1.3 percent in both R20 and R23. These differences are small enough that in real-world scenarios, the user experience would be nearly identical for most applications.

The use-case split is therefore defined by factors other than raw benchmark scores. The i5-8600T is a desktop processor with a 35 watt TDP and integrated UHD Graphics 630, making it suited for systems where power consumption and a built-in display output are priorities. The Xeon E5-2629 v3 is a server/workstation part with an 85 watt TDP, ECC memory support, and no integrated graphics, requiring a discrete GPU for display. Its quad-channel memory bus and higher memory bandwidth position it for memory-intensive server workloads.

For applications that are single-threaded and latency-sensitive, the Xeon has a slight edge, but the difference is negligible. For multi-threaded rendering, the Xeon again leads, but by a similarly small margin. The i5-8600T's advantage lies in its lower power draw and integrated graphics, which are not reflected in the Cinebench scores but are critical for certain system builds.

FAQ

Q: Which processor has a higher multi-core score in Cinebench R23?

A: The Intel Xeon E5-2629 v3 scores 7893, while the Intel Core i5-8600T scores 7787. The Xeon leads by 1.3 percent.

Q: What is the difference in single-core performance in Cinebench R15?

A: The Xeon E5-2629 v3 scores 112, and the i5-8600T scores 110. This gives the Xeon a 1.8 percent advantage, the largest single-core margin in the comparison.

Q: Does the i5-8600T win any of the head-to-head benchmark tests?

A: No. The recorded data shows the Xeon E5-2629 v3 winning all six benchmarks, with the i5-8600T recording zero wins.

Q: How do the average benchmark scores compare to their nearest rivals?

A: The i5-8600T has an average benchmark score of 2383, which is 0.4 percent ahead of the Intel Xeon E-2234 and 0.8 percent ahead of the Intel Xeon E-2226GE. The Xeon E5-2629 v3 has an average score of 2283, which is 0 percent different from the Intel Xeon D-1557 and 0.8 percent ahead of the Intel Core i3-10305.

Q: What are the memory bandwidth specifications for each processor?

A: The i5-8600T supports dual-channel memory with a bandwidth of 42.7 GB/s. The Xeon E5-2629 v3 supports quad-channel memory and has a higher bandwidth of 59.7 GB/s.

Q: Which processor supports ECC memory?

A: The Intel Xeon E5-2629 v3 supports ECC memory, while the Intel Core i5-8600T does not.

Specification Differences

The two processors differ in nearly every fundamental specification. The Intel Core i5-8600T has 6 cores and 6 threads, while the Intel Xeon E5-2629 v3 has 8 cores and 16 threads. The i5-8600T has a base clock of 2.30 GHz and a boost clock of 3.70 GHz. The Xeon E5-2629 v3 has a base clock of 2.40 GHz and a boost clock of 3.20 GHz.

The power envelope is a major differentiator. The i5-8600T has a TDP of 35 watts, while the Xeon E5-2629 v3 has a TDP of 85 watts. The socket types also differ: the i5-8600T uses Intel Socket 1151, and the Xeon E5-2629 v3 uses Intel Socket 2011-3.

Memory support and bandwidth show clear separation. The i5-8600T supports DDR4 memory with a dual-channel bus and a bandwidth of 42.7 GB/s. The Xeon E5-2629 v3 supports both DDR3 and DDR4 memory with a quad-channel bus and a bandwidth of 59.7 GB/s. ECC memory is supported by the Xeon but not by the i5-8600T.

PCIe lane count also differs. The i5-8600T provides Gen 3 with 16 lanes from the CPU, while the Xeon E5-2629 v3 provides Gen 3 with 40 lanes. The i5-8600T includes integrated UHD Graphics 630, whereas the Xeon has no integrated graphics.

The market segments and release dates are distinct. The i5-8600T is a Desktop processor released in 2018, with a launch MSRP of $213. The Xeon E5-2629 v3 is a Server/Workstation processor released in 2014, with no launch MSRP recorded. Both processors are end-of-life and have a locked multiplier.

Architecture Differences

The architectural design philosophies are fundamentally different. The Intel Core i5-8600T is built on the Coffee Lake architecture using a 14 nm process node. The Intel Xeon E5-2629 v3 is based on the Haswell-EP architecture (codename Haswell-EP) using a 22 nm process node. This generational gap is significant: the i5-8600T is a newer design on a smaller process.

The die size and transistor count reflect the server-grade nature of the Xeon. The i5-8600T has a die size of 154 mm², while the Xeon E5-2629 v3 has a die size of 356 mm². The Xeon also has a transistor count of 2,600 million, a figure not recorded for the i5-8600T.

Cache hierarchies differ substantially. Both processors have 64 KB of L1 cache per core and 256 KB of L2 cache per core. The L3 cache, however, is much larger on the Xeon: 20 MB shared, compared to 9 MB shared on the i5-8600T. This larger cache pool is typical for server processors handling complex data sets.

The Xeon's architecture supports a quad-channel memory bus, while the i5-8600T uses a dual-channel bus. The Xeon's PCIe implementation offers 40 lanes, versus 16 lanes on the i5-8600T. These features are geared toward high-bandwidth, multi-device server environments. The i5-8600T compensates with a much lower TDP and integrated graphics, indicating a focus on efficiency and desktop usability.