Intel Core i3-8100 vs Intel Xeon Gold 6326 Comparison

Head-to-Head Benchmarks

The data is unambiguous: the Intel Xeon Gold 6326 wins every single benchmark in the head-to-head comparison, with a 6-0 sweep. The margin is consistent and massive across all six tests, with the Xeon Gold 6326 outperforming the Core i3-8100 by approximately 86.5% in every category. This uniformity of delta suggests a fundamental performance gap rather than workload-specific advantages.

In Cinebench R15 multi-core, the Xeon Gold 6326 scores 2812 against the Core i3-8100's 379, a margin of 86.5%. The single-core result tells a similar story: 396 versus 53, also an 86.5% deficit for the i3-8100. Moving to Cinebench R20, the Xeon Gold 6326 posts 11719 in multi-core versus 1582 for the i3-8100, while single-core shows 1654 against 223. Cinebench R23 continues the pattern with the Xeon Gold 6326 reaching 27904 multi-core and 3939 single-core, while the i3-8100 manages 3769 and 532 respectively. Every single deltaPct is -86.5%, indicating that the performance ratio is nearly identical across all rendering workloads.

The average benchmark scores reflect this hierarchy. The Core i3-8100 has an avgBenchmarkScore of 8123, while the Xeon Gold 6326 sits at 8071. Interestingly, the i3-8100 actually has a slightly higher average score, placing it 0.6% above the Xeon Gold 6326 in the nearestRivals comparison. However, this metric averages across all benchmark types, including the Passmark tests where the i3-8100 has more data points. The Xeon Gold 6326 only has Cinebench scores in its benchmark list, so the comparison skews toward the i3-8100's broader test coverage.

The nearestRivals data confirms both processors occupy a similar tier. The Xeon Gold 6326's nearest rival is the Intel Xeon Platinum 8180M at -0.5%, followed by the Core i3-8100 at -0.6%, the AMD EPYC 7302 at -0.8%, and the Intel Xeon Gold 5318Y at -0.9%. The i3-8100's nearest rivals include the Xeon Platinum 8180M at 0.2%, the EPYC 7302 at -0.2%, and the Xeon Gold 5318Y at -0.3%, with the Xeon Gold 6326 at 0.6%. Both processors land at the 64th percentile against all CPUs, meaning they sit in the same performance bracket despite the Xeon's massive multi-core advantage.

Architecture Differences

The architectural gap between these two processors is stark. The Core i3-8100 uses the Coffee Lake architecture on a 14 nm process node, while the Xeon Gold 6326 employs Ice Lake-SP on a 10 nm node. The die size for the i3-8100 is 126 mm², while the Xeon Gold 6326's die size is not listed in the data. Both are manufactured by Intel, and neither has a listed transistor count.

Core configuration is where the primary difference emerges. The i3-8100 packs 4 cores and 4 threads, while the Xeon Gold 6326 offers 16 cores and 32 threads — a 4x core advantage and 8x thread advantage. This explains the massive multi-core deltas. The base clock favors the i3-8100 at 3.60 GHz versus 2.90 GHz for the Xeon Gold 6326, but the Xeon offers a boost clock of 3.50 GHz while the i3-8100 has no listed boost clock. The Xeon's ability to boost nearly to the i3's base clock while having 4x the cores is remarkable.

Cache hierarchy differs substantially. Both have 64 KB L1 cache per core. The L2 cache jumps from 256 KB per core on the i3-8100 to 1 MB per core on the Xeon Gold 6326 — a 4x per-core increase. L3 cache scales from 6 MB shared on the i3-8100 to 24 MB shared on the Xeon Gold 6326, another 4x jump. The per-core L2 increase combined with the larger shared L3 suggests the Xeon is designed for data-heavy server workloads.

Memory support shows the server-grade positioning of the Xeon. Both support DDR4, but the i3-8100 uses dual-channel memory with 38.4 GB/s bandwidth, while the Xeon Gold 6326 runs eight-channel memory at 204.8 GB/s — a 5.33x bandwidth advantage. Both support ECC memory. PCIe connectivity also diverges: the i3-8100 offers Gen 3 with 16 lanes, while the Xeon Gold 6326 provides Gen 4 with 64 lanes. The socket types differ completely: Socket 1151 for the i3-8100 versus Socket 4189 for the Xeon.

The i3-8100 includes integrated UHD Graphics 630, while the Xeon Gold 6326 has no integrated graphics. TDP reflects the performance envelope: 65 W for the i3-8100 versus 185 W for the Xeon Gold 6326. The i3-8100 is end-of-life, released in October 2017, while the Xeon Gold 6326 is active, released in April 2021. The i3-8100 has a launch MSRP of $117, while no launch MSRP is listed for the Xeon Gold 6326. Neither processor has an unlocked multiplier.

The Verdict

The data makes the choice straightforward for multi-core workloads: the Intel Xeon Gold 6326 is categorically superior. With 16 cores and 32 threads versus 4 cores and 4 threads, it delivers 86.5% higher scores across every Cinebench test. For rendering, scientific computing, virtualization, or any workload that scales with core count, the Xeon Gold 6326 is the only rational choice from this data.

However, the Core i3-8100 holds its own in specific contexts. Its higher base clock of 3.60 GHz versus 2.90 GHz could benefit lightly threaded tasks, though the Xeon's 3.50 GHz boost clock narrows that gap. The i3-8100 also has a higher avgBenchmarkScore of 8123 versus 8071, placing it 0.6% ahead in overall average performance. The i3-8100's 65 W TDP versus 185 W for the Xeon makes it substantially more power-efficient for desktop use.

The i3-8100 also includes integrated graphics, making it a complete desktop package without needing a discrete GPU. The Xeon Gold 6326 requires external graphics. The i3-8100's Socket 1151 platform is consumer-oriented, while the Xeon's Socket 4189 targets server/workstation motherboards. For a desktop user building a basic system, the i3-8100 with integrated graphics and lower power draw is practical. For a server or workstation handling parallel workloads, the Xeon Gold 6326's 4x cores, 8x threads, eight-channel memory, and Gen 4 PCIe are decisive.

Both processors sit at the 64th percentile against all CPUs, but this masks the different workload profiles. The average benchmark score doesn't capture the Xeon's dominance in multi-core rendering. The verdict: pick the Xeon Gold 6326 for multi-threaded server workloads, pick the Core i3-8100 for a simple desktop build where integrated graphics and lower power matter more than raw throughput.

Specification Differences

| Specification | Intel Core i3-8100 | Intel Xeon Gold 6326 |

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

| Cores | 4 | 16 |

| Threads | 4 | 32 |

| Base Clock | 3.60 GHz | 2.90 GHz |

| Boost Clock | None | 3.50 GHz |

| TDP | 65 W | 185 W |

| Socket | Intel Socket 1151 | Intel Socket 4189 |

| Architecture | Coffee Lake | Ice Lake |

| Codename | Coffee Lake | Ice Lake-SP |

| Process Node | 14 nm | 10 nm |

| Die Size | 126 mm² | Not listed |

| L2 Cache | 256 KB (per core) | 1 MB (per core) |

| L3 Cache | 6 MB (shared) | 24 MB (shared) |

| Memory Bus | Dual-channel | Eight-channel |

| Memory Bandwidth | 38.4 GB/s | 204.8 GB/s |

| PCIe | Gen 3, 16 Lanes | Gen 4, 64 Lanes |

| Integrated Graphics | UHD Graphics 630 | None |

| Market Segment | Desktop | Server/Workstation |

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

| Release Date | 2017-10-04 | 2021-04-05 |

| Launch MSRP | $117 | None listed |

FAQ

Q: Which processor has more cores?

A: The Intel Xeon Gold 6326 has 16 cores and 32 threads, while the Intel Core i3-8100 has 4 cores and 4 threads. That is a 4x core advantage and 8x thread advantage for the Xeon.

Q: What is the performance difference in Cinebench R23 multi-core?

A: The Xeon Gold 6326 scores 27904 compared to 3769 for the i3-8100, a delta of 86.5% in favor of the Xeon Gold 6326.

Q: Does the Core i3-8100 have integrated graphics?

A: Yes, the i3-8100 includes UHD Graphics 630. The Xeon Gold 6326 has no integrated graphics at all.

Q: Which processor supports more memory bandwidth?

A: The Xeon Gold 6326 supports 204.8 GB/s over eight-channel memory, while the i3-8100 supports 38.4 GB/s over dual-channel memory. That is a 5.33x bandwidth advantage for the Xeon.

Q: What is the difference in process node?

A: The i3-8100 uses a 14 nm process, while the Xeon Gold 6326 uses a 10 nm process. Both are manufactured by Intel.

Q: Which processor has a higher base clock?

A: The i3-8100 has a base clock of 3.60 GHz, compared to 2.90 GHz for the Xeon Gold 6326. However, the Xeon has a boost clock of 3.50 GHz while the i3-8100 has no listed boost clock.

Where Each One Wins

Intel Core i3-8100 wins on:

• Base clock speed: 3.60 GHz versus 2.90 GHz for the Xeon Gold 6326, favoring lightly threaded desktop tasks.
• Average benchmark score: 8123 versus 8071, a 0.6% advantage in the nearestRivals comparison.
• Power consumption: 65 W TDP versus 185 W, making it far more power-efficient.
• Integrated graphics: UHD Graphics 630 included, no discrete GPU required.
• Platform accessibility: Socket 1151 with Gen 3 PCIe and 16 lanes, suitable for consumer desktops.
• Lower launch MSRP: $117, though pricing should not be the sole factor.

Intel Xeon Gold 6326 wins on:

• Multi-core performance: 86.5% higher across all Cinebench R15, R20, and R23 multi-core tests.
• Single-core performance: 86.5% higher across all Cinebench single-core tests, despite the lower base clock.
• Core and thread count: 16 cores and 32 threads versus 4 cores and 4 threads.
• Cache: 1 MB L2 per core versus 256 KB, and 24 MB shared L3 versus 6 MB.
• Memory bandwidth: 204.8 GB/s over eight-channel versus 38.4 GB/s over dual-channel.
• PCIe connectivity: Gen 4 with 64 lanes versus Gen 3 with 16 lanes.
• Production status: Active versus end-of-life for the i3-8100.
• Process node: 10 nm versus 14 nm, offering better transistor density.

The use-case split is clean: multi-threaded server or workstation workloads demand the Xeon Gold 6326, while a simple desktop build with integrated graphics and lower power draw favors the Core i3-8100. The benchmark data shows no scenario where the i3-8100 wins a head-to-head test, but its power profile and integrated graphics make it a practical desktop option.