Intel Xeon D-2712T vs Intel Xeon E3-1535M v5 Comparison

The Intel Xeon E3-1535M v5 and Intel Xeon D-2712T are both 4-core, 8-thread server processors, but they represent vastly different eras and design philosophies. The E3-1535M v5 is a Skylake-H part from 2015, built on Intel's 14 nm process, while the D-2712T is an Ice Lake-D part from 2022, built on 10 nm. Benchmark data shows the newer chip wins every single head-to-head test, though by remarkably slim margins—never exceeding 1%. Both processors land in the 44th percentile of all CPUs, with average benchmark scores of 1945 and 1964 respectively, placing them in a virtual statistical dead heat for overall performance.

FAQ

Q: Which processor is faster in multi-core workloads?

A: The Intel Xeon D-2712T wins all three multi-core Cinebench tests. It scores 684 vs 677 in R15, 2852 vs 2824 in R20, and 6791 vs 6726 in R23, with a consistent 1% deltaPct advantage in each.

Q: How do the single-core scores compare?

A: The D-2712T also takes every single-core test, scoring 96 vs 95 in R15, 402 vs 398 in R20, and 958 vs 949 in R23. The largest single-core gap is just 1%, with the R23 test showing a 0.9% deltaPct.

Q: What is the memory bandwidth difference?

A: The Xeon D-2712T offers 85.3 GB/s of memory bandwidth via a quad-channel DDR4 bus, while the Xeon E3-1535M v5 provides 34.1 GB/s through dual-channel DDR3/DDR4 support. This represents a 2.5x theoretical bandwidth advantage for the newer chip.

Q: Do both processors support ECC memory?

A: Yes, both the Xeon E3-1535M v5 and the Xeon D-2712T have ECC memory support, making them suitable for server and workstation environments where data integrity is critical.

Q: What are the PCIe capabilities of each chip?

A: The Xeon E3-1535M v5 supports PCIe Gen 3 with 16 CPU lanes, while the Xeon D-2712T supports PCIe Gen 4 with 32 CPU lanes. The newer chip doubles both the generation and lane count.

Q: Which processor has integrated graphics?

A: Only the Intel Xeon E3-1535M v5 includes integrated graphics, featuring HD Graphics P530. The Xeon D-2712T has no integrated graphics, requiring a discrete GPU for display output.

Architecture Differences

The two processors are separated by roughly seven years of architectural evolution. The Xeon E3-1535M v5 uses the Skylake-H architecture on a 14 nm process node, packing 2,300 million transistors into a 122 mm² die. In contrast, the Xeon D-2712T employs Ice Lake-D on Intel's 10 nm process, with transistor count and die size not specified in the data. This process shrink is a key differentiator, enabling the newer chip to achieve higher efficiency despite a higher TDP.

Cache configurations differ substantially. The Skylake part offers 64 KB of L1 cache per core and 256 KB of L2 per core, with 8 MB of shared L3. The Ice Lake-D chip provides 80 KB of L1 per core and a much larger 1.25 MB of L2 per core, plus 15 MB of shared L3. That is nearly double the L3 capacity and five times the per-core L2, which helps explain why the D-2712T matches or edges out its rival despite lower clock speeds.

The memory subsystem is another major divergence. The E3-1535M v5 supports both DDR3 and DDR4 across a dual-channel bus, delivering 34.1 GB/s. The D-2712T is DDR4-only but uses a quad-channel interface for 85.3 GB/s—a 150% bandwidth increase. PCIe connectivity also jumps forward: the older chip runs 16 lanes of Gen 3, while the newer one offers 32 lanes of Gen 4. Both are server-class parts with ECC support, but the D-2712T is clearly built for denser I/O and memory workloads. The Skylake-H part includes HD Graphics P530; the Ice Lake-D part has no integrated graphics whatsoever. Socket compatibility is also distinct: BGA 1440 for the E3-1535M v5 versus BGA 2579 for the D-2712T.

Head-to-Head Benchmarks

The data is unambiguous: the Xeon D-2712T wins all six recorded Cinebench comparisons, but the margins are razor-thin. In Cinebench R15 multicore, the D-2712T scores 684 against 677 for the E3-1535M v5, a 1% deltaPct advantage. Single-core R15 is similarly close, 96 vs 95, also a 1% edge. Moving to R20, the multicore result is 2852 vs 2824 and single-core is 402 vs 398, both again 1% in favor of the D-2712T. The R23 tests show the same pattern: 6791 vs 6726 in multicore (1% deltaPct) and 958 vs 949 in single-core (0.9% deltaPct).

The consistency of these results is notable. Across every workload, the D-2712T holds a roughly 1% lead, never widening the gap beyond that. This suggests the architectural advantages of Ice Lake-D—larger caches, newer process node, higher memory bandwidth—are almost exactly offset by the clock speed disadvantage. The D-2712T runs at a 1.90 GHz base clock and 3.00 GHz boost, while the E3-1535M v5 runs at 2.90 GHz base and 3.70 GHz boost. The older chip's 700 MHz boost advantage nearly cancels out the newer chip's generational improvements.

When placed against their respective nearest rivals, both processors sit in a tight cluster. The E3-1535M v5's average benchmark score of 1945 is within 0.3% of the Xeon E3-1230 v5 (1947), Core i5-1035G7 (1948), Core i7-9850HL (1941), and Core i7-8709G (1950). The D-2712T's 1964 average is similarly close to the Ryzen 5 2600H (1967), Ryzen 3 2300X (1968), Core i7-3930K (1960), and Core i7-10810U (1971). Both chips are 44th percentile performers, meaning they sit squarely in the middle of the CPU performance distribution.

The Verdict

The data paints a clear picture: the Intel Xeon D-2712T is the superior processor in every benchmarked category, but only by a hair. If raw performance is the sole criterion, the D-2712T is the pick—it wins all six Cinebench tests, offers 85.3 GB/s of memory bandwidth versus 34.1 GB/s, and provides 32 PCIe Gen 4 lanes compared to 16 Gen 3 lanes. Its larger 15 MB L3 cache and 1.25 MB per-core L2 give it a structural advantage in cache-sensitive workloads.

However, buyers should weigh the practical differences. The E3-1535M v5 has integrated graphics (HD Graphics P530), which the D-2712T lacks entirely. The older chip also has a lower TDP of 45W versus 65W, making it easier to cool in constrained chassis. The E3-1535M v5 supports both DDR3 and DDR4, offering flexibility for legacy systems, while the D-2712T is DDR4-only. The D-2712T is an active production part, while the E3-1535M v5 is end-of-life.

For new server or workstation deployments, the D-2712T is the logical choice given its active status, superior memory bandwidth, and PCIe Gen 4 support—even if the benchmark deltas are negligible in practice. For systems requiring integrated graphics or a lower thermal envelope, the E3-1535M v5 remains viable, but its end-of-life status and narrower I/O make it a harder recommendation. The 1% performance differences are unlikely to be noticeable in real-world use, so the decision should hinge on platform features and availability rather than raw scores.

Specification Differences

| Specification | Intel Xeon E3-1535M v5 | Intel Xeon D-2712T |

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

| Base Clock | 2.90 GHz | 1.90 GHz |

| Boost Clock | 3.70 GHz | 3.00 GHz |

| TDP | 45 W | 65 W |

| Socket | Intel BGA 1440 | Intel BGA 2579 |

| Architecture | Skylake | Ice Lake |

| Process Node | 14 nm | 10 nm |

| Transistors | 2,300 million | Not specified |

| Die Size | 122 mm² | Not specified |

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

| L2 Cache | 256 KB (per core) | 1.25 MB (per core) |

| L3 Cache | 8 MB (shared) | 15 MB (shared) |

| Memory Support | DDR3, DDR4 | DDR4 |

| Memory Bus | Dual-channel | Quad-channel |

| Memory Bandwidth | 34.1 GB/s | 85.3 GB/s |

| PCIe | Gen 3, 16 Lanes | Gen 4, 32 Lanes |

| Integrated Graphics | HD Graphics P530 | None |

| Production Status | End-of-life | Active |

| Release Date | 2015-10-26 | 2022-02-23 |

| Launch MSRP | $623 | $349 |

| Part Number | SR2FM | SRLCK |