CPU Comparison

Head-to-Head Benchmarks

The benchmark data presents a curious case: the older, server-oriented Intel Xeon E5-2678 v3 wins every single Cinebench comparison against the newer Intel Core i3-13100E, yet the overall average benchmark scores tell a slightly different story. In all six head-to-head tests, the Xeon holds a consistent advantage of exactly 6.5% in every workload except for one 6.6% margin. Across the Cinebench R15, R20, and R23 suites, the Xeon E5-2678 v3 posts multicore scores of 1257, 5239, and 12474 respectively, while the Core i3-13100E counters with 1180, 4918, and 11710. The single-core results follow the same pattern: the Xeon leads with 177, 739, and 1761 against the i3's 166, 694, and 1653.

This uniformity of victory is striking. The 6.5% delta is nearly identical across every test generation, suggesting a fundamental performance gap that scales evenly regardless of workload intensity or thread count. The Xeon's 12 cores and 24 threads provide a structural advantage in multicore rendering, but even in single-core tests, where the i3's 4.40 GHz boost clock should theoretically shine, the Xeon still wins by 6.6%. This defies conventional expectations about clock-speed dominance.

However, the average benchmark score field complicates the picture. The Core i3-13100E holds an average score of 3668, which places it in the 56th percentile of all CPUs, while the Xeon E5-2678 v3 averages 3608, sitting in the 55th percentile. The i3 also includes Geekbench results in its benchmark suite, 7025 multicore and 2001 singlecore, which are absent from the Xeon's data set. These Geekbench scores likely lift the i3's average, since the Cinebench results alone would suggest the Xeon should have the higher average. The delta between their average scores is only 1.7% in favor of the i3, a margin that falls well within the noise of their respective rival comparisons.

Looking at nearest rivals, the Xeon's closest competitor is the AMD Ryzen 7 2700E with an average score of 3603, a 0.1% delta, while the Intel Xeon E-2286G and AMD Ryzen 7 PRO 1700 both sit at 3610 and 3613 respectively, each with a -0.1% delta. The Core i3-13100E's nearest rival is the AMD EPYC 7251 at 3671 (-0.1%), followed by the AMD Ryzen 7 PRO 1700X at 3673 (-0.1%) and the Intel Xeon E5-2658A v3 at 3658 (0.3%). These rival positions reinforce the notion that both processors occupy a similar performance tier despite their architectural differences.

Architecture Differences

The architectural chasm between these two processors is vast, reflecting nearly a decade of Intel design evolution. The Xeon E5-2678 v3 uses the Haswell-EP architecture on a 22 nm process node, while the Core i3-13100E employs Raptor Lake-S on a 10 nm node. This process shrink explains much of the efficiency difference: the Xeon's die measures 356 mm² and contains 2,600 million transistors, whereas the i3's die is a mere 163 mm² with no transistor count listed in the data. The Xeon's larger, older die consumes 120 W of TDP compared to the i3's 60 W, despite the i3 having far fewer cores.

Core configurations tell the story of divergent design philosophies. The Xeon offers 12 cores and 24 threads, a server-class arrangement designed for heavy parallel workloads. The i3 provides only 4 cores and 8 threads, a mainstream desktop configuration. Cache hierarchies differ accordingly: the Xeon allocates 64 KB of L1 and 256 KB of L2 per core, with a massive 30 MB shared L3 cache. The i3 counters with 80 KB of L1 and 1.25 MB of L2 per core, but only 12 MB of shared L3. The per-core L2 advantage of the i3 (1.25 MB versus 256 KB) is substantial, but the Xeon's total L3 capacity is 2.5 times larger.

Memory support diverges sharply. The Xeon uses quad-channel DDR3 and DDR4 with a measured memory bandwidth of 68.3 GB/s. The i3 uses dual-channel DDR4 and DDR5, with no bandwidth figure provided. Both support ECC memory, which is notable for a desktop-class i3. PCIe connectivity also differs: the Xeon provides Gen 3 with 40 lanes from the CPU, while the i3 offers Gen 5 with 16 lanes. The i3 includes integrated UHD Graphics 730, whereas the Xeon has no integrated graphics at all. Sockets are incompatible, the Xeon uses Intel Socket 2011-3, and the i3 uses Intel Socket 1700.

Production status and release timing separate them further. The Xeon is end-of-life, while the i3 is active with a release date of January 3, 2023. The Xeon's part number is SR20Z, and the i3's is SRMFR. Neither processor has an unlocked multiplier, so overclocking is not an option for either. The Xeon targets the server/workstation segment, while the i3 is a desktop part.

FAQ

Q: Which processor wins in multicore Cinebench tests?

A: The Intel Xeon E5-2678 v3 wins all three multicore Cinebench tests. It scores 1257 in R15, 5239 in R20, and 12474 in R23, compared to the Core i3-13100E's 1180, 4918, and 11710. Each win carries a delta of 6.5%.

Q: Does the Core i3-13100E win any benchmark comparisons?

A: In the head-to-head benchmark data, the i3-13100E wins zero out of six tests. However, its average benchmark score of 3668 exceeds the Xeon's 3608, likely due to Geekbench scores (7025 multicore, 2001 singlecore) that the Xeon does not have in its benchmark suite.

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

A: The Xeon E5-2678 v3 has 12 cores and 24 threads, while the Core i3-13100E has 4 cores and 8 threads. The Xeon's thread count is three times higher, which benefits heavily threaded workloads.

Q: How do their clock speeds compare?

A: The Core i3-13100E has a base clock of 3.30 GHz and a boost clock of 4.40 GHz. The Xeon E5-2678 v3 has a base clock of 2.50 GHz and a boost clock of 3.30 GHz. The i3 is faster on paper, yet still loses single-core Cinebench tests.

Q: Do both processors support ECC memory?

A: Yes, both the Xeon E5-2678 v3 and the Core i3-13100E support ECC memory. This is unusual for a desktop i3 and aligns with its positioning as a capable entry-level workstation part.

Q: What are the process nodes for each chip?

A: The Xeon E5-2678 v3 is built on a 22 nm process, while the Core i3-13100E uses a 10 nm process. The newer node contributes to the i3's lower power draw and smaller die size.

Specification Differences

| Specification | Intel Xeon E5-2678 v3 | Intel Core i3-13100E |

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

| Cores | 12 | 4 |

| Threads | 24 | 8 |

| Base Clock | 2.50 GHz | 3.30 GHz |

| Boost Clock | 3.30 GHz | 4.40 GHz |

| TDP | 120 W | 60 W |

| Socket | Intel Socket 2011-3 | Intel Socket 1700 |

| Architecture | Haswell | Raptor Lake |

| Process Node | 22 nm | 10 nm |

| Die Size | 356 mm² | 163 mm² |

| Transistors | 2,600 million | Not listed |

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

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

| L3 Cache (shared) | 30 MB | 12 MB |

| Memory Support | DDR3, DDR4 | DDR4, DDR5 |

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

| Memory Bandwidth | 68.3 GB/s | Not listed |

| PCIe | Gen 3, 40 Lanes | Gen 5, 16 Lanes |

| Integrated Graphics | None | UHD Graphics 730 |

| Market Segment | Server/Workstation | Desktop |

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

| Release Date | Not listed | 2023-01-03 |

| Part Number | SR20Z | SRMFR |

Where Each One Wins

The Xeon E5-2678 v3 wins decisively in every benchmark where both processors were tested. Its 6.5% advantage across Cinebench R15, R20, and R23, both multicore and single-core, makes it the clear choice for rendering workloads, video encoding, and any application that scales with thread count. The 12-core, 24-thread configuration, combined with 30 MB of L3 cache and 68.3 GB/s of quad-channel memory bandwidth, positions it as a workhorse for server-style workloads, virtualization, and scientific computing. Its 40 PCIe Gen 3 lanes also provide substantial I/O expansion capability for multi-GPU or storage-heavy systems. The Xeon's 55th percentile ranking versus the i3's 56th is a statistical tie, but the benchmark deltas favor the Xeon in every direct comparison.

The Core i3-13100E wins in areas that the benchmark suite does not directly measure. Its 60 W TDP versus 120 W means it draws half the power, making it far more suitable for compact desktops, always-on systems, or environments with strict thermal constraints. The 10 nm process node and 163 mm² die size represent modern manufacturing efficiency. The i3's higher clock speeds, 3.30 GHz base and 4.40 GHz boost, suggest better responsiveness in lightly threaded, latency-sensitive tasks, even if Cinebench doesn't reflect this. Its 12 MB of L3 cache and 1.25 MB per-core L2 are generous for a quad-core part. The integrated UHD Graphics 730 eliminates the need for a discrete GPU in basic systems. PCIe Gen 5 support offers future-proofing for next-generation storage and expansion. The i3's active production status and newer release date mean it remains available for new builds, whereas the Xeon is end-of-life. The i3 also holds a higher average benchmark score at 3668 and a higher percentile ranking, driven by its Geekbench results of 7025 multicore and 2001 singlecore.

For users deciding between these two, the Xeon suits legacy server platforms, multi-threaded compute tasks, and systems requiring massive memory bandwidth or extensive PCIe lanes. The i3 suits modern desktop builds, energy-conscious deployments, and scenarios where single-thread responsiveness, integrated graphics, or PCIe Gen 5 compatibility matter more than raw multicore throughput. The Xeon's consistent 6.5% Cinebench victories define its strength, while the i3's architectural modernity and efficiency define its own.