Intel Core i5-1038NG7 vs Intel Xeon E5-2630L v3 Comparison

The Intel Xeon E5-2630L v3 and the Intel Core i5-1038NG7 represent two distinct eras of Intel design, yet their aggregate benchmark scores place them within a hair of each other. The Xeon, a 2014 server part, posts an average benchmark score of 2409, while the 2020 mobile Core i5 achieves 2398, a negligible 0.5% difference. This near-parity in overall performance masks a fascinating split: the older, larger, and lower-clocked Xeon wins every single Cinebench test in the head-to-head comparison, despite the Core i5 having a significant boost clock advantage. The data suggests that core count and cache size can offset architectural age, but it also raises questions about power efficiency and platform suitability that the raw scores do not answer.

FAQ

Q: Which processor has a higher average benchmark score?

A: The Intel Xeon E5-2630L v3 has a slightly higher average benchmark score of 2409, compared to the Intel Core i5-1038NG7's 2398. The delta between them is a marginal 0.5% in favor of the Xeon.

Q: How does the Xeon E5-2630L v3 perform in multi-core workloads?

A: The Xeon wins all multi-core tests decisively. It scores 839 in Cinebench R15 multi-core, 3498 in R20 multi-core, and 8330 in R23 multi-core, leading the Core i5 by 11.9% in each respective test.

Q: Does the Core i5-1038NG7 win any benchmark in the head-to-head comparison?

A: No. The head-to-head data shows the Xeon E5-2630L v3 wins all 6 benchmarks (winsA: 6, winsB: 0). The Core i5 does not secure a single victory in the provided Cinebench tests.

Q: What is the difference in single-core performance between the two?

A: The Xeon leads in single-core tests as well. In Cinebench R15 single-core, it scores 118 against the Core i5's 105, a 12.4% advantage. In R20 single-core, the lead is 493 vs 441 (11.8%), and in R23 single-core, it is 1176 vs 1050 (12%).

Q: How do their memory configurations differ?

A: The Xeon E5-2630L v3 supports quad-channel DDR4 memory with a theoretical bandwidth of 59.7 GB/s. The Core i5-1038NG7 supports dual-channel DDR4 with a lower theoretical bandwidth of 51.2 GB/s. The Xeon also supports ECC memory, which the Core i5 does not.

Q: What are the core and thread counts for each processor?

A: The Xeon E5-2630L v3 provides 8 cores and 16 threads. The Core i5-1038NG7 provides 4 cores and 8 threads. This doubling of cores and threads is a primary factor in the Xeon's multi-core lead.

Architecture Differences

The two processors are built on fundamentally different architectures from different manufacturing nodes. The Intel Xeon E5-2630L v3 is based on the Haswell-EP architecture, fabricated on Intel's 22 nm process. It is a large die, measuring 356 mm², and packs 2,600 million transistors. In contrast, the Intel Core i5-1038NG7 uses the newer Sunny Cove-U architecture (part of the Ice Lake generation), built on a 10 nm process. This results in a significantly smaller die size of just 123 mm², and the fact pack does not list a transistor count for it.

These architectural differences lead to distinct cache hierarchies. The Xeon allocates 64 KB of L1 and 256 KB of L2 cache per core, but its strength lies in a substantial 20 MB shared L3 cache. The Core i5 has a larger per-core L1 cache at 80 KB, but the same 256 KB per-core L2. Its shared L3 cache is much smaller, at just 6 MB. This larger last-level cache on the Xeon is likely a major contributor to its benchmark superiority, as it reduces the need to access slower system memory.

The processors also differ in their platform integrations. The Xeon is a server/workstation part for the LGA 2011-3 socket and supports ECC memory. The Core i5 is a mobile part soldered to a BGA 1344 package, includes integrated Iris Plus graphics, and lacks ECC support. The Xeon supports 40 PCIe Gen 3 lanes from the CPU, while the Core i5's PCIe support is listed simply as "Gen 3" without a lane count. The Xeon's memory interface is quad-channel, versus the Core i5's dual-channel, which contributes to the Xeon's higher theoretical memory bandwidth of 59.7 GB/s versus 51.2 GB/s.

Head-to-Head Benchmarks

The benchmark data presents a consistent and unambiguous picture: the Intel Xeon E5-2630L v3 outperforms the Intel Core i5-1038NG7 across every single Cinebench workload. The most striking aspect is the uniformity of the margin. Across the three generations of Cinebench tests (R15, R20, and R23), the Xeon's lead in multi-core performance is a near-constant 11.9%. This suggests that the relative performance gap is stable, scaling precisely with the workload.

The multi-core results are dominated by the Xeon's core advantage. In Cinebench R15 multi-core, the Xeon scores 839 versus the Core i5's 750. In R20, the scores are 3498 and 3125, respectively. The trend continues in R23, with the Xeon scoring 8330 against the Core i5's 7441. These numbers indicate that doubling the core count from 4 to 8, and threads from 8 to 16, provides a consistent performance edge that the Core i5's higher clock speed cannot overcome.

The single-core results are more surprising, as they show the Xeon winning by an even larger percentage. In Cinebench R15 single-core, the Xeon scores 118, which is 12.4% higher than the Core i5's 105. The delta is 11.8% in R20 (493 vs 441) and 12% in R23 (1176 vs 1050). This is counterintuitive, as the Core i5 has a higher base clock (2.00 GHz vs 1.80 GHz) and a significantly higher boost clock (3.80 GHz vs 2.90 GHz). The data implies that the Xeon's older Haswell architecture is more efficient per clock in this specific test, or that other factors like the larger L3 cache play a decisive role in single-threaded performance as well.

Specification Differences

A direct comparison of the specification sheets reveals why these two processors are built for entirely different purposes. The core and thread count is the most obvious division: the Xeon E5-2630L v3 offers 8 cores and 16 threads, while the Core i5-1038NG7 offers 4 cores and 8 threads.

Clock speeds tell a different story about peak capability. The Core i5 has the higher base clock at 2.00 GHz versus the Xeon's 1.80 GHz. The Core i5's boost clock of 3.80 GHz is also substantially higher than the Xeon's 2.90 GHz. However, these clock advantages do not translate into benchmark wins, as detailed in the head-to-head section.

Power and platform targets diverge sharply. The Xeon has a TDP of 55 watts, while the Core i5 has a lower TDP of 28 watts. The socket is a critical differentiator, with the Xeon using the LGA 2011-3 platform and the Core i5 using BGA 1344. The cache configuration also differs, with the Xeon featuring a 20 MB shared L3 cache and the Core i5 featuring a smaller 6 MB shared L3 cache. ECC memory support is exclusive to the Xeon, and the integrated graphics (Iris Plus) are exclusive to the Core i5.

The memory architecture is another key split. The Xeon supports quad-channel DDR4 and has a theoretical memory bandwidth of 59.7 GB/s. The Core i5 supports dual-channel DDR4 with 51.2 GB/s of theoretical bandwidth. The release dates are far apart, with the Xeon released in 2014 and the Core i5 in 2020. The launch MSRP also reflects their market positions: $612 for the Xeon and $320 for the Core i5.

Where Each One Wins

The benchmark data is clear that the Xeon E5-2630L v3 wins in all measured compute scenarios, but the wins have different implications. The Xeon's multi-core victories, with an 11.9% lead in all R15, R20, and R23 multi-core tests, make it the clear choice for heavily threaded applications. The data suggests that any workload that can utilize all 16 threads will see a tangible performance benefit from the Xeon's 8-core/16-thread configuration.

The Xeon also wins the single-core tests, which is a point in its favor for lightly threaded tasks. Its 12.4% lead in R15 single-core and 12% lead in R23 single-core indicate that even in legacy or single-threaded applications, the Xeon holds a performance advantage. This makes its all-around compute superiority quite definitive.

The Core i5-1038NG7's wins are not in raw performance but in platform attributes. It has a lower TDP of 28 watts, making it more suitable for power-constrained mobile environments. It also includes integrated Iris Plus graphics, which means a system built around it does not require a discrete GPU for display output. The Core i5's smaller die size and more recent 10 nm process suggest a more modern, compact design. However, in a pure benchmark comparison of compute power, the Core i5 does not win a single test.

The Verdict

The data dictates a clear split based on user needs. For any workload where raw processing power is the primary concern, the Intel Xeon E5-2630L v3 is the superior processor. It wins every Cinebench test by a margin of roughly 12%, which is a substantial and consistent lead. Its 8-core/16-thread design, combined with a larger 20 MB L3 cache and higher memory bandwidth, makes it the better choice for rendering, scientific computing, or any multi-threaded server task.

The Intel Core i5-1038NG7 is not a competitive alternative in terms of compute performance, as its 0 wins show. Its appeal lies elsewhere. The data shows a lower TDP of 28 watts, a more compact footprint, and integrated graphics. This makes it a candidate for thin-and-light laptops where battery life and space are more critical than peak CPU performance. The Core i5's higher boost clock of 3.80 GHz does not yield a performance win, but the platform advantages are quantifiable.

The verdict is a matter of platform over performance. If the question is which CPU computes faster, the answer is the Xeon E5-2630L v3, without qualification. If the question is which CPU is more appropriate for a specific mobile form factor, the Core i5-1038NG7 has the relevant specifications. The benchmark scores, however, offer no scenario where the Core i5 is the better choice on purely computational merits.