Intel Core i3-8100 vs Intel Xeon Gold 5320T Comparison

The data presents a stark contrast between the Intel Xeon Gold 5320T and the Intel Core i3-8100. The Xeon is a 20-core, 40-thread server processor built on the 10 nm Ice Lake-SP architecture, while the Core i3 is a 4-core, 4-thread desktop chip from the 14 nm Coffee Lake generation. Across every shared benchmark, the Xeon Gold 5320T posts a decisive victory, but the nature of those wins and the architectural context reveal a nuanced picture of two processors designed for entirely different purposes.

Head-to-Head Benchmarks

The benchmark results show a complete sweep for the Intel Xeon Gold 5320T, with six wins and zero for the Core i3-8100. The margins, however, are not uniform. The smallest delta is in Cinebench R23 single-core, where the Xeon scores 4059 against the Core i3's 532, a 663% advantage. This is a significant lead, but it is the narrowest gap in the entire comparison, suggesting that the Core i3's higher base clock of 3.60 GHz helps it remain relatively competitive in lightly-threaded tasks.

Multi-core performance is where the Xeon's sheer core count becomes overwhelming. In Cinebench R15 multi-core, the Xeon Gold 5320T scores 2898, which is 664.6% higher than the Core i3's 379. The pattern repeats in Cinebench R20 multi-core, with the Xeon at 12076 versus 1582, a 663.3% difference. The most dramatic gap appears in Cinebench R23 multi-core, where the Xeon's 28753 dwarfs the Core i3's 3769, representing a 662.9% lead. The consistency of the ~660% multi-core delta across all three Cinebench versions indicates that the performance scaling is directly tied to the 5x core count difference.

Single-core results follow a similar trajectory but with slightly different magnitudes. In Cinebench R15 single-core, the Xeon scores 408 against the Core i3's 53, a 669.8% delta. Cinebench R20 single-core shows the Xeon at 1704 versus 223, a 664.1% gap. These single-core deltas are actually slightly larger than the multi-core deltas, which is counterintuitive given the Core i3's higher clock speed. The data suggests that the Ice Lake architecture's IPC advantage at 10 nm more than compensates for the lower 2.30 GHz base clock of the Xeon.

The average benchmark scores reinforce this hierarchy. The Xeon Gold 5320T has an average benchmark score of 8316, placing it in the 64th percentile of all CPUs. Its nearest rivals include the Intel Xeon Platinum 8268 at 8315 (0% delta) and the Intel Xeon D-2799 at 8308 (0.1% delta). The Core i3-8100, despite its drastically lower raw scores, also sits in the 64th percentile with an average of 8123, with rivals like the Intel Xeon Platinum 8180M at 8110 (0.2% delta) and the AMD EPYC 7302 at 8139 (-0.2% delta). This percentile parity is a reminder that the Core i3 is being compared against other low-end desktop parts, while the Xeon is benchmarked against other server processors.

Where Each One Wins

The Intel Xeon Gold 5320T wins in every scenario that involves sustained, parallel computation. Its 40 threads allow it to handle massive workloads that would saturate the Core i3's four threads instantly. In Cinebench R23 multi-core, the Xeon's 28753 score is 7.6 times higher than the Core i3's 3769, making it the clear choice for rendering, scientific computing, and any task that can utilize more than four cores. The Xeon also leads in single-core performance, scoring 4059 in Cinebench R23 single-core versus 532 for the Core i3, which means it even wins in lightly-threaded tasks despite the Core i3's higher clock speed.

The Core i3-8100 has no benchmark wins in this comparison. However, its data does show strengths that are not captured in the head-to-head results. The Core i3's PassMark single-thread score of 2203 and Geekbench single-core score of 1214 indicate that it is a capable processor for everyday desktop tasks. Its 65 W TDP, dual-channel memory bus, and integrated UHD Graphics 630 make it a low-power, self-contained solution for basic computing. The Xeon Gold 5320T, by contrast, requires a server platform with eight-channel memory and discrete graphics, making it impractical for a standard desktop build.

The Xeon's wins are not just about core count. The eight-channel memory bus provides 191.6 GB/s of bandwidth, compared to the Core i3's dual-channel 38.4 GB/s. This memory advantage compounds the multi-core wins, as memory-bound workloads such as data compression and encryption will see even larger gains than the Cinebench scores suggest. The Core i3's data compression score of 82992 in PassMark is respectable, but the Xeon's architecture is specifically designed to feed 40 threads with data, which the Core i3 cannot match.

Architecture Differences

The architectural divide between these two processors is fundamental. The Xeon Gold 5320T uses Intel's 10 nm Ice Lake-SP process, while the Core i3-8100 uses the older 14 nm Coffee Lake process. This node difference explains much of the performance gap, as the 10 nm process allows for higher transistor density and improved power efficiency. The Xeon has 20 cores and 40 threads, while the Core i3 has 4 cores and 4 threads, a 5x difference in both core and thread count.

Cache configurations differ substantially. The Xeon Gold 5320T has 64 KB of L1 cache per core, 1 MB of L2 cache per core, and 30 MB of shared L3 cache. The Core i3 has 64 KB of L1 per core, 256 KB of L2 per core, and 6 MB of shared L3 cache. While the per-core L1 cache is identical, the Xeon's L2 cache is 4x larger per core, and its total L3 cache is 5x larger. This cache hierarchy is critical for the Xeon's multi-threaded performance, as it reduces the need to access slower system memory.

The memory subsystems are also in different leagues. The Xeon supports DDR4 over an eight-channel bus with 191.6 GB/s of bandwidth, while the Core i3 uses a dual-channel bus with 38.4 GB/s. Both support ECC memory, but the Xeon's eight-channel configuration is designed for server-grade throughput. The Xeon also offers PCIe Gen 4 with 64 lanes, compared to the Core i3's PCIe Gen 3 with 16 lanes. This makes the Xeon suitable for multiple high-speed GPUs, NVMe drives, and network cards, while the Core i3 is limited to a single GPU and a few expansion cards.

The Core i3 includes integrated UHD Graphics 630, while the Xeon has no integrated graphics. This is a notable differentiator for desktop use, as the Core i3 can operate without a discrete GPU. The Xeon's socket is Intel Socket 4189, which is a server platform, while the Core i3 uses Intel Socket 1151, a mainstream desktop socket. The Xeon is still in active production, while the Core i3 is end-of-life. The Xeon's TDP is 150 W, more than double the Core i3's 65 W, reflecting the power required to drive 20 cores.

The Verdict

The data is unambiguous: the Intel Xeon Gold 5320T is the superior processor in every benchmark category. It wins all six head-to-head tests with deltas ranging from 662.9% to 669.8%. For any workload that can leverage multiple cores, the Xeon's 20 cores and 40 threads provide a 7.6x advantage in Cinebench R23 multi-core. Even in single-core tests, the Xeon's newer architecture delivers a 663% lead over the Core i3. The Xeon also offers vastly superior memory bandwidth (191.6 GB/s versus 38.4 GB/s), more PCIe lanes (64 Gen 4 versus 16 Gen 3), and a larger cache hierarchy.

The Core i3-8100, however, has a role. Its 65 W TDP, integrated graphics, and mainstream socket make it a practical choice for a basic desktop system. It is end-of-life, but its PassMark data shows it can handle everyday tasks like integer math (16191), floating-point math (13774), and random string sorting (10150). The Xeon's 150 W TDP and lack of integrated graphics mean it requires a server motherboard, ECC memory, and a discrete GPU, adding substantial system cost and complexity. For a user building a simple office PC, the Core i3 is the more sensible option despite its benchmark losses.

Who should pick which? The Xeon Gold 5320T is for professionals running server or workstation applications that demand massive parallelism, high memory bandwidth, and extensive I/O. The Core i3-8100 is for users who need a low-power, budget desktop processor with integrated graphics and do not require multi-threaded performance. The 64th percentile ranking for both processors is a reminder that they are each competitive within their respective segments. The Xeon's rivals are other server chips like the Xeon Platinum 8268, while the Core i3 competes with entry-level desktop parts.

FAQ

Q: Which processor has more cores and threads?

A: The Intel Xeon Gold 5320T has 20 cores and 40 threads, while the Intel Core i3-8100 has 4 cores and 4 threads.

Q: What is the largest benchmark margin between the two?

A: The largest margin is in Cinebench R15 single-core, where the Xeon Gold 5320T scores 408 versus the Core i3-8100's 53, a 669.8% difference.

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

A: Yes, the Core i3-8100 includes UHD Graphics 630, while the Xeon Gold 5320T has no integrated graphics.

Q: What is the memory bandwidth difference?

A: The Xeon Gold 5320T has an eight-channel memory bus providing 191.6 GB/s, while the Core i3-8100 has a dual-channel bus providing 38.4 GB/s.

Q: Which processor has a higher base clock?

A: The Core i3-8100 has a higher base clock of 3.60 GHz, compared to the Xeon Gold 5320T's 2.30 GHz. The Xeon has a boost clock of 3.50 GHz, while the Core i3 has no boost clock listed.

Q: Are both processors still in production?

A: No, the Xeon Gold 5320T is active, while the Core i3-8100 is end-of-life.

Specification Differences

| Specification | Intel Xeon Gold 5320T | Intel Core i3-8100 |

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

| Cores | 20 | 4 |

| Threads | 40 | 4 |

| Base Clock | 2.30 GHz | 3.60 GHz |

| Boost Clock | 3.50 GHz | None |

| TDP | 150 W | 65 W |

| Socket | Intel Socket 4189 | Intel Socket 1151 |

| Architecture | Ice Lake | Coffee Lake |

| Process Node | 10 nm | 14 nm |

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

| L3 Cache | 30 MB (shared) | 6 MB (shared) |

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

| Memory Bandwidth | 191.6 GB/s | 38.4 GB/s |

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

| Integrated Graphics | None | UHD Graphics 630 |

| Market Segment | Server/Workstation | Desktop |

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

| Die Size | Not listed | 126 mm² |

| Launch MSRP | Not listed | $117 |