Intel Xeon D-1541 vs Intel Xeon E5-2630L v3 Comparison

The Intel Xeon D-1541 and the Intel Xeon E5-2630L v3 are both server-class processors with identical core and thread counts, yet they represent distinctly different design philosophies from Intel. The D-1541 is a dense, power-sipping Broadwell-DE system-on-chip, while the E5-2630L v3 is a more traditional Haswell-EP socketed processor. Benchmark data shows that the D-1541 emerges victorious in every single head-to-head comparison, though the margins are consistently narrow, painting a picture of a close contest where architectural efficiency edges out raw platform potential.

Head-to-Head Benchmarks

The most comprehensive view of performance comes from the Cinebench suite, which tests both multi-core and single-core rendering workloads. In the multi-core R15 test, the D-1541 scores 852 against the E5-2630L v3’s 839, a 1.5% lead. This pattern repeats in the newer R20 multi-core test, where the D-1541 posts 3554 versus 3498, a 1.6% advantage. The R23 multi-core results show 8463 for the D-1541 and 8330 for the E5-2630L v3, again a 1.6% gap. In each of these multi-threaded workloads, the D-1541 wins, but the differences are small enough to be considered within run-to-run variance.

Single-core performance tells a similar story. The D-1541 takes the R15 single-core test with 120 points against 118, a 1.7% margin. In R20 single-core, the scores are 501 versus 493, a 1.6% lead, and in R23 single-core, 1194 versus 1176, a 1.5% advantage. The consistency of these deltas is notable; every single benchmark, regardless of the workload type or the Cinebench version, shows the D-1541 ahead by roughly 1.5% to 1.7%. This uniformity suggests that the D-1541’s advantage is architectural rather than workload-specific.

The overall average benchmark score reinforces this narrative. The D-1541 holds an average score of 2447, while the E5-2630L v3 trails at 2409. This puts the D-1541 roughly 1.6% ahead in aggregate performance. The D-1541 wins all six head-to-head benchmarks, while the E5-2630L v3 wins none. However, the neighboring rivals for each chip reveal how close they are to the broader market. The D-1541’s closest rival is the Intel Core i5-10500, which scores 2446, a 0% delta, while the E5-2630L v3’s closest rival is the AMD Ryzen 3 PRO 4450U at 2413, a -0.1% delta. Both chips sit at the 48th percentile of all CPUs, indicating they are firmly in the mid-range tier of processor performance.

FAQ

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

A: The Intel Xeon D-1541 achieves a single-core score of 1194 in Cinebench R23, which is 1.5% higher than the Intel Xeon E5-2630L v3’s score of 1176.

Q: What is the difference in multi-core performance in Cinebench R20?

A: The D-1541 scores 3554 in the multi-core R20 test, while the E5-2630L v3 scores 3498. This gives the D-1541 a 1.6% advantage in this workload.

Q: How do the two processors compare in their overall average benchmark scores?

A: The D-1541 has an average benchmark score of 2447, which is higher than the E5-2630L v3’s average of 2409. This represents a lead of roughly 1.6% for the D-1541.

Q: Are both processors positioned similarly in terms of overall CPU performance percentile?

A: Yes, both the D-1541 and the E5-2630L v3 are listed at the 48th percentile of all CPUs, indicating they perform in the same tier despite the D-1541’s slight edge in every benchmark.

Q: What is the most significant performance gap between the two in any single test?

A: The largest gap is found in the Cinebench R15 single-core test, where the D-1541 leads by 1.7% (120 versus 118). All other tests show a delta of 1.5% or 1.6%.

Q: Which processor wins the multi-core Cinebench R23 test?

A: The D-1541 wins the multi-core R23 test with a score of 8463, compared to the E5-2630L v3’s 8330, a 1.6% difference.

Architecture Differences

The two processors are built on fundamentally different architectures. The Intel Xeon D-1541 uses the Broadwell architecture, manufactured on a 14 nm process node. It is part of the Xeon D (Broadwell-DE) generation, and its codename is Broadwell. The chip integrates 3,200 million transistors into a die size of 246 mm². In contrast, the Intel Xeon E5-2630L v3 uses the older Haswell architecture, built on a 22 nm process node. It belongs to the Xeon E5 (Haswell-EP) generation, with the codename Haswell-EP, and packs 2,600 million transistors into a larger die size of 356 mm².

The cache hierarchies also differ significantly. The D-1541 offers 1.5 MB of L3 cache per core, whereas the E5-2630L v3 provides 20 MB of shared L3 cache. While the total L3 capacity is not directly listed for the D-1541, the per-core allocation suggests a different approach to cache distribution. The E5-2630L v3’s shared pool is likely larger in total, but the D-1541’s per-core design may offer more predictable latency for individual threads. Both have identical L1 (64 KB per core) and L2 (256 KB per core) caches.

Memory architecture represents another major divergence. The D-1541 supports both DDR3 and DDR4 memory via a dual-channel memory bus, while the E5-2630L v3 exclusively supports DDR4 through a quad-channel memory bus. The E5-2630L v3 explicitly lists a memory bandwidth of 59.7 GB/s, a figure not provided for the D-1541. This suggests the E5-2630L v3 may have a theoretical memory bandwidth advantage, but benchmark results do not reflect a performance benefit in the tested workloads. Both support ECC memory.

Specification Differences

The specifications table highlights several key differences between the two Xeon processors. The base clock speeds differ substantially: the D-1541 runs at 2.10 GHz, while the E5-2630L v3 operates at a much lower 1800.00 MHz (1.80 GHz). However, the boost clock tells a different story, with the E5-2630L v3 reaching 2.90 GHz compared to the D-1541’s 2.70 GHz. This means the E5-2630L v3 has a higher peak frequency, but the D-1541 starts from a higher base frequency.

Thermal design power (TDP) is another differentiator. The D-1541 consumes 45 watts, while the E5-2630L v3 has a 55-watt TDP. The physical form factors are also incompatible: the D-1541 uses the Intel BGA 1667 socket, which is soldered to the board, while the E5-2630L v3 fits the Intel Socket 2011-3, a traditional LGA socket. The PCIe capabilities differ as well, with the D-1541 offering Gen 3 with 24 lanes (CPU only), while the E5-2630L v3 provides Gen 3 with 40 lanes (CPU only).

Production status separates the two further. The D-1541 is listed as Active, whereas the E5-2630L v3 is marked as End-of-life. Their release dates also differ, with the E5-2630L v3 launching in September 2014 and the D-1541 arriving in October 2015. The process node gap (14 nm versus 22 nm) explains why the D-1541 fits more transistors into a smaller die. Both chips have locked multipliers.

Where Each One Wins

Based on the benchmark data, the Intel Xeon D-1541 wins in every measured category. It is faster in all three versions of the Cinebench multi-core tests (R15, R20, and R23) and all three single-core tests. The D-1541’s consistent lead, ranging from 1.5% to 1.7%, makes it the clear choice for raw computational throughput in rendering workloads. Its lower 45-watt TDP also makes it more efficient in power-constrained environments.

The Intel Xeon E5-2630L v3 does not win any benchmark in the head-to-head comparison. However, its specification sheet reveals areas where it could be preferred in specific system designs. The quad-channel memory bus and the explicit 59.7 GB/s memory bandwidth figure indicate a platform designed for memory-intensive operations, even if the Cinebench tests do not exercise that advantage. The 40 PCIe lanes offer more expansion headroom for add-in cards and NVMe storage. The higher boost clock of 2.90 GHz could provide a slight edge in workloads that are sensitive to peak frequency, though this does not translate into a benchmark win here. The traditional Socket 2011-3 form factor allows for easier upgrades and maintenance compared to the soldered BGA 1667 package.

The Verdict

The data is unambiguous: the Intel Xeon D-1541 outperforms the Intel Xeon E5-2630L v3 in every single benchmark test. With six wins out of six head-to-head comparisons and a higher average benchmark score (2447 versus 2409), the D-1541 is the superior processor for compute-bound tasks. Its 1.5% to 1.7% lead across all Cinebench tests, from R15 to R23, demonstrates a consistent architectural advantage that is not workload-specific. The D-1541 achieves this while consuming 10 watts less power (45 watts versus 55 watts), making it the more efficient option for dense server deployments.

The E5-2630L v3 is not without its merits, but they lie outside the benchmark scope. Its quad-channel memory bus and 59.7 GB/s memory bandwidth, along with 40 PCIe lanes, make it a more expandable platform for systems requiring substantial I/O or memory throughput. The socketed design is also more serviceable. However, for pure processor performance as measured by Cinebench, the E5-2630L v3 falls short. The D-1541 is the pick for anyone prioritizing raw compute per watt, while the E5-2630L v3 may still suit platform-specific needs where its memory and expansion capabilities outweigh its slight performance deficit. Both processors occupy the 48th percentile of all CPUs, but the D-1541 does so with a more modern architecture and a longer production future.