Intel Core i7-9800X vs Intel Xeon E-2288G Comparison

The Intel Core i7-9800X and Intel Xeon E-2288G are both 8-core, 16-thread processors from Intel, but they target different platforms and use cases. The benchmark data shows a clear split: the Core i7-9800X dominates in Cinebench workloads across all versions, while the Xeon E-2288G counters with superior Geekbench scores, particularly in single-core performance. This page breaks down the architectural differences, specification gaps, and benchmark results to clarify where each processor holds an advantage.

Where Each One Wins

The Core i7-9800X wins six of the eight head-to-head benchmark comparisons, all of them in Cinebench tests. Its multi-core advantage is consistent and narrow, with a 4% lead in Cinebench R15, R20, and R23 multi-core tests. The single-core Cinebench results tell the same story: the Core i7-9800X edges out the Xeon by 4.3% in R15 single-core, 4% in R20 single-core, and 4.1% in R23 single-core. This suggests the Core i7-9800X has a small but repeatable performance edge in rendering and CPU-bound compute workloads that Cinebench measures.

The Xeon E-2288G wins the remaining two benchmarks, both from Geekbench. Its multi-core score of 7639 beats the Core i7-9800X's 7488, a 2% difference. The single-core Geekbench result is much more decisive: the Xeon scores 1632 against 1398, a 14.3% advantage. This is the largest performance gap between the two processors in any test. For workloads that rely heavily on single-threaded performance, such as lightly threaded applications or database queries, the Xeon E-2288G's higher boost clock and architectural differences give it a clear edge.

Architecture Differences

Both processors are built on Intel's 14 nm process node, but they come from different architectural families. The Core i7-9800X uses the Skylake architecture, specifically Skylake-X, and belongs to the Core i7 X-Series 9th Gen. The Xeon E-2288G uses the Coffee Lake architecture, specifically Coffee Lake-S WS, and belongs to the Xeon E-2200 series. These are fundamental differences that affect how each processor handles instructions and scales performance.

The cache hierarchy differs notably. The Core i7-9800X has 1 MB of L2 cache per core, compared to 256 KB per core for the Xeon E-2288G. L3 cache is 16.5 MB shared on the Core i7-9800X versus 16 MB shared on the Xeon. The Core i7-9800X's larger L2 cache could benefit workloads with repeated data access patterns, though the benchmark results show this does not translate into a universal advantage.

Memory support is another major divergence. The Core i7-9800X supports quad-channel DDR4 memory with a theoretical bandwidth of 85.3 GB/s. The Xeon E-2288G is limited to dual-channel DDR4 with 42.7 GB/s bandwidth. This doubles the memory bandwidth available to the Core i7-9800X, which can matter for memory-intensive tasks. However, the Xeon E-2288G supports ECC memory, while the Core i7-9800X does not, making the Xeon more suitable for error-sensitive server or workstation environments.

PCIe lane counts also differ significantly. The Core i7-9800X provides 44 PCIe Gen 3 lanes from the CPU, while the Xeon E-2288G provides only 16. This gives the Core i7-9800X far more room for expansion cards, NVMe storage, or multiple GPUs. The Xeon E-2288G also includes integrated graphics (HD Graphics P630), whereas the Core i7-9800X has no integrated graphics, requiring a discrete GPU for display output.

FAQ

Q: Which processor has the higher boost clock?

A: The Intel Xeon E-2288G has a boost clock of 5.00 GHz, compared to the Core i7-9800X's 4.50 GHz.

Q: Does the Core i7-9800X support ECC memory?

A: No, the Core i7-9800X does not support ECC memory. The Xeon E-2288G does support ECC memory.

Q: What is the memory bandwidth difference between the two?

A: The Core i7-9800X has a quad-channel memory bus with 85.3 GB/s bandwidth, while the Xeon E-2288G has a dual-channel bus with 42.7 GB/s bandwidth.

Q: Which processor has more PCIe lanes?

A: The Core i7-9800X has 44 PCIe Gen 3 lanes from the CPU, while the Xeon E-2288G has 16 PCIe Gen 3 lanes.

Q: Are both processors still in production?

A: No, both are end-of-life products. The Core i7-9800X was released on 2018-10-18, and the Xeon E-2288G was released on 2019-05-28.

Q: Which processor has a higher average benchmark score?

A: The Core i7-9800X has an average benchmark score of 4455, while the Xeon E-2288G has an average score of 4373.

Specification Differences

| Specification | Intel Core i7-9800X | Intel Xeon E-2288G |

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

| Base Clock | 3.80 GHz | 3.70 GHz |

| Boost Clock | 4.50 GHz | 5.00 GHz |

| TDP | 165 W | 95 W |

| Socket | Intel Socket 2066 | Intel Socket 1151 |

| Architecture | Skylake | Coffee Lake |

| Codename | Skylake-X | Coffee Lake-S WS |

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

| L3 Cache | 16.5 MB (shared) | 16 MB (shared) |

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

| Memory Bandwidth | 85.3 GB/s | 42.7 GB/s |

| ECC Memory | false | true |

| PCIe Lanes | 44 (Gen 3, CPU only) | 16 (Gen 3, CPU only) |

| Integrated Graphics | None | HD Graphics P630 |

| Market Segment | Desktop | Server/Workstation |

| Launch MSRP | $589 | $539 |

| Multiplier Unlocked | true | false |

| Part Number | SREZ9 | SRFB3 |

The TDP difference is substantial: the Core i7-9800X draws 165 W versus 95 W for the Xeon E-2288G. This higher power envelope correlates with the Core i7-9800X's quad-channel memory controller and more PCIe lanes. The Xeon's lower TDP makes it easier to cool and more power-efficient per watt, though the Core i7-9800X's performance in Cinebench shows that extra power is not wasted.

Head-to-Head Benchmarks

The Cinebench results consistently favor the Core i7-9800X. In Cinebench R15 multi-core, the Core i7-9800X scores 1553 versus 1493 for the Xeon, a 4% advantage. The R20 multi-core test shows 6474 against 6223, again a 4% gap. R23 multi-core follows the same pattern: 15416 for the Core i7-9800X versus 14817 for the Xeon, also 4% higher. This consistency across three versions of Cinebench indicates a stable architectural advantage in multi-threaded rendering workloads.

Single-core Cinebench results are similarly lopsided. The Core i7-9800X leads in R15 single-core with 219 versus 210 (4.3% higher), in R20 single-core with 913 versus 878 (4% higher), and in R23 single-core with 2176 versus 2091 (4.1% higher). Even though the Xeon has a higher boost clock of 5.00 GHz compared to 4.50 GHz, the Core i7-9800X still wins these tests. This suggests that Skylake-X's per-core efficiency in Cinebench outweighs the Xeon's raw clock speed advantage.

Geekbench tells a different story. In Geekbench multi-core, the Xeon E-2288G scores 7639, beating the Core i7-9800X's 7488 by 2%. The Geekbench single-core test shows a much larger margin: the Xeon scores 1632 versus 1398, a 14.3% lead. This is the Xeon's strongest showing and indicates that Geekbench's workload mix favors the Coffee Lake architecture and its higher boost clock. The Core i7-9800X's 44 PCIe lanes and quad-channel memory do not help in these CPU-focused tests.

The overall wins tally is 6-2 in favor of the Core i7-9800X. However, the Xeon's single-core Geekbench win is by far the largest delta of any test, suggesting that for certain single-threaded applications, the Xeon could be noticeably faster. The multi-core Geekbench result is the only multi-threaded test the Xeon wins, and its 2% margin is smaller than the Core i7-9800X's 4% Cinebench leads.

The Verdict

The data shows a clear split based on workload type. The Intel Core i7-9800X is the better choice for Cinebench-style rendering and multi-threaded compute tasks, winning every Cinebench test by a consistent 4% margin. Its quad-channel memory bus and 44 PCIe lanes also make it a stronger platform for memory-intensive or expansion-heavy builds, assuming the higher 165 W TDP and the need for a discrete GPU are acceptable.

The Intel Xeon E-2288G is the better choice for single-threaded performance in Geekbench-style workloads, where its 14.3% lead is decisive. Its support for ECC memory and integrated graphics, combined with a lower 95 W TDP, make it a more practical option for server or workstation environments that prioritize reliability, error correction, and simpler cooling over raw rendering speed. The Xeon also has a lower launch MSRP of $539 compared to $589 for the Core i7-9800X, though both are end-of-life products.

Users who prioritize multi-core rendering performance should lean toward the Core i7-9800X. Users who need ECC memory, integrated graphics, or maximum single-threaded Geekbench performance should choose the Xeon E-2288G. Neither processor dominates across all tests, so the decision hinges on which benchmark suite aligns with the intended workload.