Intel Core i5-1035G4 vs Intel Xeon D-1537 Comparison

The data in our database presents a surprisingly close contest between two Intel processors from very different worlds: the Core i5-1035G4, a low-power mobile chip, and the Xeon D-1537, a server-oriented part. Across the entire Cinebench suite, the Core i5-1035G4 secures a clean sweep, but the margins are razor-thin. This is a comparison where architectural age and core count are pitted against modern efficiency and clock speed, and the results are far from obvious.

Head-to-Head Benchmarks

The most striking finding is the consistency of the Core i5-1035G4's victories. In Cinebench R15 multicore, the i5-1035G4 scores 648 against the Xeon D-1537's 637, a lead of 1.7%. The single-core test in R15 is even tighter, with a 91 to 90 score and a delta of just 1.1%. This pattern holds in Cinebench R20, where the i5-1035G4 again wins multicore by 1.7% (2703 versus 2657) and single-core by 1.6% (381 versus 375). The newest Cinebench R23 test reinforces the trend: the i5-1035G4 posts a multicore score of 6436 against 6327 for the Xeon D-1537, another 1.7% margin, and a single-core score of 908 versus 893, also a 1.7% difference.

What makes these results noteworthy is the context. The Xeon D-1537 has twice the physical cores (8 versus 4) and twice the threads (16 versus 8). In a typical benchmark comparison, that core advantage should translate into a substantial multicore lead. Instead, the data shows the opposite. The i5-1035G4 holds a lead in every single test, but the largest margin of victory is a mere 1.7%. This indicates that while the i5-1035G4 is technically the winner in all six recorded benchmarks, the practical performance gap between the two in these specific workloads is almost negligible. The average benchmark score for the i5-1035G4 is 1861, placing it in the 42nd percentile of all CPUs, while the Xeon D-1537 averages 1830, also in the 42nd percentile. The rivals for each processor reinforce this equality: the i5-1035G4 sits within 0.9% of the Intel Core i5-7600 and within 0.4% of the Xeon E5-1630 v4. The Xeon D-1537 is exactly level with the Xeon E5-2608L v3 at a 0% delta and within 0.1% of the AMD Ryzen 5 4600U.

Architecture Differences

The fundamental design philosophies of these two chips could not be more different. The Intel Core i5-1035G4 is built on Intel's 10 nm process node and uses the Ice Lake architecture with the Sunny Cove-U microarchitecture. The Xeon D-1537, by contrast, is a much older design, fabricated on a 14 nm node and based on the Broadwell architecture, specifically the Broadwell-DE variant. This generational gap is reflected in the physical details. The i5-1035G4 has a die size of 123 mm², while the Xeon D-1537's die is far larger at 246 mm². The Xeon D-1537 also uses a staggering 3,200 million transistors, a figure not listed for the i5-1035G4.

Cache hierarchy also differs. The i5-1035G4 allocates 80 KB of L1 cache per core and 256 KB of L2 per core, with a shared 6 MB L3 cache. The Xeon D-1537 uses a smaller 64 KB L1 cache per core, the same 256 KB L2 per core, but organizes its L3 differently with 1.5 MB per core, rather than a single shared pool. Clock speeds are a major differentiator. The i5-1035G4 has a base clock of 1100.00 MHz and a boost clock of 3.70 GHz. The Xeon D-1537 starts higher at 1700.00 MHz but tops out at only 2.30 GHz. This massive boost clock advantage (1.40 GHz difference) explains how the 4-core mobile chip can keep pace with an 8-core server part in single-threaded and even multi-threaded tests.

Memory support is another clear split. The i5-1035G4 supports only DDR4 memory in a dual-channel configuration, with a listed memory bandwidth of 51.2 GB/s. The Xeon D-1537 supports both DDR3 and DDR4, also in dual-channel, but has no specific bandwidth figure recorded. Crucially, the Xeon D-1537 supports ECC memory, while the i5-1035G4 does not. The i5-1035G4 also includes integrated Iris Plus graphics, whereas the Xeon D-1537 has no integrated graphics at all. The PCIe support differs as well: the i5-1035G4 uses Gen 3 without a lane count listed, while the Xeon D-1537 offers Gen 3 with 24 lanes for the CPU.

Where Each One Wins

Looking strictly at the recorded data, the Intel Core i5-1035G4 wins all six benchmark comparisons, so any discussion of strengths must be framed around the magnitude and context of those wins. The i5-1035G4's most decisive edge is in single-core performance, where its 3.70 GHz boost clock allows it to edge out the Xeon's 2.30 GHz maximum. This advantage, while small in percentage terms (1.1% to 1.7% depending on the test), is consistent across R15, R20, and R23. For workloads that are lightly threaded, such as everyday desktop responsiveness or older applications, the i5-1035G4 is the better choice based on this data.

The Xeon D-1537's case for a win is not in the benchmark scores, but in the surrounding feature set. It offers double the cores and threads, which suggests that in workloads not captured by the Cinebench suite, such as highly parallel server tasks, it would have a structural advantage. The database also records that it supports ECC memory, a critical feature for data integrity in server and workstation environments. Its higher base clock of 1700.00 MHz, compared to the i5-1035G4's 1100.00 MHz, could indicate better sustained performance under continuous load, even if its boost ceiling is lower. The Xeon D-1537 also has a larger physical footprint and transistor count, pointing to a design meant for heavy, sustained operation rather than bursty mobile workloads.

The i5-1035G4, on the other hand, is a mobile part with a 15 W TDP, versus the Xeon D-1537's 35 W TDP. This lower power draw, combined with its integrated graphics and modern 10 nm node, makes it the clear winner for battery-powered or compact systems. The server chip's 24 PCIe Gen 3 lanes and dual memory type support (DDR3 and DDR4) make it more flexible for embedded and networking applications where expandability and memory compatibility are key.

The Verdict

From the benchmark data alone, the Intel Core i5-1035G4 is the outright winner. It beats the Xeon D-1537 in every recorded Cinebench test, from single-core to multi-core, across all three versions of the benchmark. The margins are small, never exceeding 1.7%, but they are uniform and undeniable. A user who prioritizes raw Cinebench performance, which is a strong proxy for general CPU rendering and compute tasks, should choose the i5-1035G4.

However, the choice is not that simple in practice. The Xeon D-1537's value proposition lies outside the Cinebench suite. It is a server/workstation part with ECC memory support, 24 PCIe Gen 3 lanes, and double the core and thread count. For a database server, a network appliance, or a virtualized environment, the i5-1035G4's lack of ECC support alone would disqualify it, regardless of its slight benchmark lead. The Xeon D-1537 is also an active, current production part with a launch MSRP of $470, indicating it is a mainstream server component. The i5-1035G4 has no recorded launch MSRP, reinforcing its role as an OEM mobile chip.

The verdict depends entirely on the use case. For a laptop or a low-power compact PC where Cinebench scores are the primary concern and power consumption matters, the i5-1035G4 is the superior part. For a server rack where data integrity, memory flexibility, and PCIe expansion are non-negotiable, the Xeon D-1537 is the only viable choice, despite its slightly lower benchmark scores. The data shows that in a purely synthetic race, the modern mobile chip wins. In a real-world server deployment, the older Xeon's feature set wins the argument.

FAQ

Q: Which processor has a higher multicore score in Cinebench R23?

A: The Intel Core i5-1035G4 scores 6436, while the Intel Xeon D-1537 scores 6327, giving the i5-1035G4 a 1.7% advantage.

Q: Does the Xeon D-1537 support more cores than the Core i5-1035G4?

A: Yes, the Xeon D-1537 has 8 cores and 16 threads, compared to the Core i5-1035G4's 4 cores and 8 threads.

Q: Which processor supports ECC memory?

A: The Intel Xeon D-1537 supports ECC memory, while the Intel Core i5-1035G4 does not.

Q: What is the difference in their boost clocks?

A: The Core i5-1035G4 has a boost clock of 3.70 GHz, while the Xeon D-1537 has a boost clock of 2.30 GHz.

Q: How do their average benchmark scores compare?

A: The Core i5-1035G4 has an average benchmark score of 1861, placing it in the 42nd percentile. The Xeon D-1537 has an average score of 1830, also in the 42nd percentile.

Q: Which processor includes integrated graphics?

A: The Intel Core i5-1035G4 includes Iris Plus integrated graphics, while the Intel Xeon D-1537 has no integrated graphics.

Specification Differences

| Specification | Intel Core i5-1035G4 | Intel Xeon D-1537 |

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

| Cores | 4 | 8 |

| Threads | 8 | 16 |

| Base Clock | 1100.00 MHz | 1700.00 MHz |

| Boost Clock | 3.70 GHz | 2.30 GHz |

| TDP | 15 W | 35 W |

| Socket | Intel BGA 1526 | Intel BGA 1667 |

| Process Node | 10 nm | 14 nm |

| Die Size | 123 mm² | 246 mm² |

| Transistors | Not listed | 3,200 million |

| L1 Cache | 80 KB (per core) | 64 KB (per core) |

| L2 Cache | 256 KB (per core) | 256 KB (per core) |

| L3 Cache | 6 MB (shared) | 1.5 MB (per core) |

| Memory Support | DDR4 | DDR3, DDR4 |

| Memory Bandwidth | 51.2 GB/s | Not listed |

| ECC Memory | false | true |

| PCIe | Gen 3 | Gen 3, 24 Lanes (CPU only) |

| Integrated Graphics | Iris Plus | None |

| Market Segment | Mobile | Server/Workstation |

| Release Date | 2019-07-31 | 2015-10-31 |

| Part Number | SRGKK | SR2GF |