Intel Core i5-7500T vs Intel Xeon E3-1505L v5 Comparison

Intel Core i5-7500T and Intel Xeon E3-1505L v5 are both 14 nm Intel processors with four physical cores, but they target different platforms and use cases. The i5-7500T is a desktop Kaby Lake part with a 35 W TDP, while the Xeon E3-1505L v5 is a Skylake-H server/workstation chip with a 25 W TDP and eight threads. Benchmark data shows a clear, consistent performance advantage for the Xeon across all recorded Cinebench tests, though both CPUs land at the 38th percentile in the overall database, indicating they occupy a similar mid-range performance tier.

Head-to-Head Benchmarks

The head-to-head results are unambiguous: the Intel Xeon E3-1505L v5 wins all six recorded benchmark comparisons. In Cinebench R15 multi-core, the Xeon scores 503 against the i5-7500T's 448, a 10.9% advantage. The single-core R15 test shows a similar pattern, with the Xeon at 71 versus 63, an 11.3% lead. These deltas are not marginal; they indicate a consistent per-thread performance gap as well as a multi-threaded advantage.

Moving to Cinebench R20, the Xeon again leads by 10.9% in multi-core (2099 vs. 1870) and by 11.1% in single-core (296 vs. 263). The R23 results repeat the same story: the Xeon posts 4999 in multi-core against 4454 for the i5, a 10.9% gap, and 705 in single-core versus 628, another 10.9% difference. Across all six tests, the Xeon's advantage is remarkably stable, hovering between 10.9% and 11.3%. This consistency suggests the performance difference is architectural and not benchmark-specific.

The average benchmark scores reflect this overall trend, though the gap narrows. The i5-7500T has an average benchmark score of 1483, while the Xeon averages 1446. This is an interesting inversion: despite winning every head-to-head Cinebench test, the Xeon has a lower average score. This occurs because the i5-7500T has additional Geekbench results in the database (multi-core 3062, single-core 1078) that are not available for the Xeon, and those Geekbench numbers pull the i5's average upward. The nearest-rival data also places the two CPUs in similar company: the i5-7500T sits within 0.7% of the Intel Core i7-4710HQ and within 0.6% of the AMD Opteron 6344, while the Xeon is within 0.5% of the AMD Ryzen 5 2400G and within 0.1% of the AMD Opteron 6378.

Architecture Differences

The two processors come from different Intel microarchitectures. The i5-7500T is built on Kaby Lake, while the Xeon E3-1505L v5 uses Skylake-H. Both are fabricated on Intel's 14 nm process, but the Xeon's die is documented at 122 mm² with 2,300 million transistors, figures not provided for the desktop chip. The core counts match at four, but the threading differs: the i5-7500T has four threads, while the Xeon supports eight threads via Hyper-Threading. This doubling of threads is the most significant architectural divergence and directly explains the multi-core benchmark results.

Cache hierarchies also differ. Both CPUs have 64 KB of L1 cache per core and 256 KB of L2 per core, but the shared L3 cache is larger on the Xeon: 8 MB shared versus 6 MB shared on the i5. This additional L3 capacity likely contributes to the Xeon's consistent performance edge, especially in workloads that benefit from larger working sets. The Xeon's transistor count and die size, when combined with its higher L3, indicate a more complex silicon design despite the lower TDP.

Memory support separates the two further. The i5-7500T supports DDR4 only, with dual-channel memory and a peak bandwidth of 38.4 GB/s. The Xeon supports both DDR3 and DDR4, also dual-channel, but with a slightly lower peak bandwidth of 34.1 GB/s. The Xeon also includes ECC memory support, a feature absent on the i5-7500T, which is standard for server and workstation parts. The Xeon's socket is Intel BGA 1440, making it a soldered mobile or embedded part, while the i5-7500T uses the socketed Intel Socket 1151 for desktop builds.

Integrated graphics differ as well. The i5-7500T comes with HD 630 graphics, while the Xeon integrates HD Graphics P530. Both provide display output, but the Xeon's graphics are positioned for professional workstation use. The PCIe implementation is identical: Gen 3 with 16 lanes CPU-only for both. The Xeon has a launch MSRP of $433, while the i5-7500T has no recorded launch MSRP in the database.

Where Each One Wins

The Xeon E3-1505L v5 wins every single recorded benchmark in the head-to-head comparison, so the use-case split is not about which CPU is faster in any given test, but rather about which platform features matter more for a given workload. The Xeon's eight threads and larger 8 MB L3 cache give it a clear edge in multi-threaded rendering workloads, as shown by its 10.9% lead in Cinebench R15, R20, and R23 multi-core tests. It also wins single-core tests by roughly 11%, which is notable because single-core performance is often considered a desktop strong point; here the Xeon's higher per-thread efficiency outweighs the i5's higher boost clock (3.30 GHz vs. 2.80 GHz).

The i5-7500T, despite losing all head-to-head tests, has its own advantages based on platform attributes. It is a socketed desktop part on Socket 1151, making it upgradeable and serviceable, whereas the Xeon is a BGA 1440 soldered chip. The i5 also supports only DDR4 memory but with higher peak bandwidth (38.4 GB/s vs. 34.1 GB/s), which can benefit memory-sensitive desktop applications. Its HD 630 integrated graphics may be more familiar for consumer desktop use, and its 35 W TDP, while higher than the Xeon's 25 W, is still low for a desktop part. The i5's Geekbench scores, which are not recorded for the Xeon, show a multi-core score of 3062 and a single-core score of 1078, suggesting decent general-purpose performance for desktop tasks that do not require the Xeon's server features.

For server or workstation workloads, the Xeon's ECC memory support is a decisive feature, as data integrity is critical in those environments. Its lower 25 W TDP also makes it suitable for compact or passively cooled systems where power and heat are constrained. The Xeon is end-of-life in production status, while the i5 remains active, which may influence platform longevity decisions.

FAQ

Q: Which CPU has more threads?

A: The Intel Xeon E3-1505L v5 has 8 threads, while the Intel Core i5-7500T has 4 threads. Both have 4 physical cores.

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

A: The Xeon E3-1505L v5 scores 4999, while the i5-7500T scores 4454, giving the Xeon a 10.9% advantage.

Q: Does the i5-7500T win any benchmark in the head-to-head comparison?

A: No, the database records zero wins for the i5-7500T and six wins for the Xeon E3-1505L v5 across all Cinebench R15, R20, and R23 tests.

Q: Which CPU supports ECC memory?

A: The Intel Xeon E3-1505L v5 supports ECC memory, while the Intel Core i5-7500T does not.

Q: What are the TDP ratings for these CPUs?

A: The i5-7500T has a 35 W TDP, and the Xeon E3-1505L v5 has a 25 W TDP.

Q: How do their average benchmark scores compare?

A: The i5-7500T has an average benchmark score of 1483, while the Xeon E3-1505L v5 averages 1446. This is because the i5 has additional Geekbench scores recorded that are not present for the Xeon.

The Verdict

The benchmark data is decisive: the Intel Xeon E3-1505L v5 outperforms the Intel Core i5-7500T in every recorded Cinebench test, with advantages ranging from 10.9% to 11.3% across single-core and multi-core workloads. The Xeon's eight threads and 8 MB shared L3 cache give it a structural advantage over the i5's four threads and 6 MB L3. For users whose workloads are dominated by rendering, compilation, or other multi-threaded tasks, the Xeon is the clear choice based on performance alone.

However, the i5-7500T remains relevant for desktop builds where its socketed Socket 1151 form factor, higher memory bandwidth (38.4 GB/s vs. 34.1 GB/s), and active production status matter more than raw benchmark scores. The Xeon's BGA 1440 socket, ECC support, and lower 25 W TDP align it with server and workstation deployments that prioritize reliability and power efficiency over upgradeability. The Xeon's launch MSRP of $433 also positions it as a professional-grade part, while the i5 has no recorded launch MSRP. For a general-purpose desktop, the i5's active status and socketed design offer practical advantages; for a server or embedded workstation where the Xeon's ECC and thread count are essential, the benchmark results and feature set make it the superior choice. Both CPUs sit at the 38th percentile in the overall database, meaning neither is a high-end part, but within this comparison, the Xeon is consistently faster in compute performance.