Intel Core i9-9900 vs Intel Xeon E-2288G Comparison

Head-to-Head Benchmarks

The benchmark data paints a surprisingly clear picture: the Intel Xeon E-2288G dominates the Intel Core i9-9900 in rendering workloads, while the Core i9-9900 takes a decisive lead in Geekbench tests. Out of eight head-to-head benchmarks, the Xeon wins six, and the margin is remarkably consistent.

In Cinebench R15 multi-core, the Xeon E-2288G scores 1493 against 1361 for the Core i9-9900, a 9.7% advantage. The single-core result follows the same pattern: 210 versus 192, a 9.4% lead. Moving to Cinebench R20, the Xeon again posts 6223 versus 5673 in multi-core, another 9.7% gap, and 878 versus 800 in single-core, a 9.8% margin. The pattern holds in Cinebench R23, where the Xeon reaches 14817 against 13509 in multi-core, a 9.7% difference, and 2091 versus 1907 in single-core, a 9.6% edge.

The consistency of these margins is noteworthy. Across all six Cinebench tests, the Xeon's advantage sits between 9.4% and 9.8%. This is not a workload-specific fluke; it reflects a fundamental performance characteristic that carries through every rendering benchmark in the database.

The story reverses in Geekbench. The Core i9-9900 scores 8175 in multi-core versus 7639 for the Xeon, giving the Core i9 a 6.6% win. In single-core, the Core i9 posts 1687 against 1632, a 3.3% advantage. These are not trivial margins, and they suggest that the Core i9-9900 has an edge in workloads that Geekbench measures, which tend to emphasize memory latency, branch prediction, and integer performance patterns that differ from Cinebench's rendering pipeline.

The average benchmark score reflects the overall split: the Xeon E-2288G averages 4373, while the Core i9-9900 averages 4163. The Xeon also sits at the 58th percentile of all CPUs in the database, one point above the Core i9-9900's 57th percentile. The Xeon's nearest rivals include the AMD EPYC 7232P at a 0.4% delta, the AMD Ryzen 7 PRO 4750GE at -0.9%, the Intel Core i7-7820X at 1.2%, and the AMD Ryzen 7 PRO 5750G at 1.8%. The Core i9-9900's closest competition includes the Intel Core i5-11500H at -0.6%, the AMD Ryzen 9 5980HS at 1%, the AMD Ryzen 7 PRO 2700X at 1.2%, and the Intel Core i5-12500T at -1.3%.

Architecture Differences

Both processors are built on Intel's 14 nm process and share the Coffee Lake architecture family, but they belong to different sub-families. The Xeon E-2288G is part of the Xeon E-2200 series, with a codename of Coffee Lake-S WS and a generation identifier of Xeon E (Coffee Lake). The Core i9-9900 uses the codename Coffee Lake-R and belongs to the Core i9 (Coffee Lake Refresh) generation.

The core configuration is identical: both have 8 cores and 16 threads. Cache hierarchies match as well, with 64 KB of L1 per core, 256 KB of L2 per core, and 16 MB of shared L3. The die sizes are nearly the same: 180 mm² for the Xeon and 180.3 mm² for the Core i9-9900. Both use the Intel Socket 1151 and support dual-channel DDR4 memory with 42.7 GB/s bandwidth.

The differences emerge in clock speeds and power characteristics. The Xeon E-2288G has a base clock of 3.70 GHz, significantly higher than the Core i9-9900's 3.10 GHz. Both boost to 5.00 GHz, which explains the narrow but consistent Cinebench single-core margins in favor of the Xeon at equal boost clocks. The Xeon carries a 95 W TDP, while the Core i9-9900 is rated at 65 W, a substantial difference that likely contributes to the Xeon's ability to sustain higher clocks under load.

Memory support diverges on ECC. The Xeon E-2288G supports ECC memory, while the Core i9-9900 does not. This is a defining feature for the Xeon's server and workstation positioning. The integrated graphics also differ: the Xeon uses HD Graphics P630, while the Core i9-9900 uses UHD Graphics 630. Both are end-of-life products, with the Core i9-9900 released on April 22, 2019, and the Xeon E-2288G on May 28, 2019. Neither has an unlocked multiplier.

FAQ

Q: Which processor is faster in Cinebench R23 multi-core?

A: The Intel Xeon E-2288G scores 14817 against 13509 for the Intel Core i9-9900, a 9.7% advantage.

Q: Does the Core i9-9900 win any benchmark?

A: Yes. The Core i9-9900 wins Geekbench multi-core with 8175 versus 7639, a 6.6% margin, and Geekbench single-core with 1687 versus 1632, a 3.3% margin.

Q: What is the power draw difference between the two?

A: The Xeon E-2288G has a 95 W TDP, while the Core i9-9900 has a 65 W TDP.

Q: Do both processors support ECC memory?

A: No. The Xeon E-2288G supports ECC memory, but the Core i9-9900 does not.

Q: Are the core and thread counts the same?

A: Yes, both have 8 cores and 16 threads, with identical L1, L2, and L3 cache configurations.

Q: Which processor has a higher base clock?

A: The Xeon E-2288G has a base clock of 3.70 GHz, compared to 3.10 GHz for the Core i9-9900. Both boost to 5.00 GHz.

Specification Differences

The two processors share many specifications: 8 cores, 16 threads, 14 nm process, Intel Socket 1151, dual-channel DDR4 memory, 42.7 GB/s memory bandwidth, Gen 3 PCIe with 16 CPU lanes, and identical cache sizes. The differences are as follows:

• Base clock: 3.70 GHz on the Xeon E-2288G versus 3.10 GHz on the Core i9-9900. Boost clock is 5.00 GHz on both.
• TDP: 95 W on the Xeon, 65 W on the Core i9-9900.
• ECC memory: supported on the Xeon, not on the Core i9-9900.
• Integrated graphics: HD Graphics P630 on the Xeon, UHD Graphics 630 on the Core i9-9900.
• Market segment: Server/Workstation for the Xeon, Desktop for the Core i9-9900.
• Codename: Coffee Lake-S WS for the Xeon, Coffee Lake-R for the Core i9-9900.
• Die size: 180 mm² for the Xeon, 180.3 mm² for the Core i9-9900.
• Release date: April 22, 2019 for the Core i9-9900, May 28, 2019 for the Xeon.
• Part number: SRFB3 for the Xeon, SRG18 for the Core i9-9900.

The launch MSRP for the Xeon E-2288G is $539. The launch MSRP for the Core i9-9900 is $423.

Where Each One Wins

The Xeon E-2288G is the clear choice for rendering and compute-heavy workloads. Its six consecutive wins across the Cinebench R15, R20, and R23 suites, each at roughly 9.4% to 9.8% ahead, demonstrate a consistent advantage in multi-threaded and single-threaded rendering tasks. The higher 3.70 GHz base clock, combined with a 95 W TDP that allows for sustained performance, supports this profile. The ECC memory support further positions the Xeon for server and workstation environments where data integrity is a priority.

The Core i9-9900 wins in Geekbench, both multi-core and single-core. The 6.6% multi-core and 3.3% single-core advantages indicate that the Core i9-9900 has better performance in workloads that resemble Geekbench's test patterns, which include encryption, compression, image processing, and machine learning tasks. The lower 65 W TDP also makes the Core i9-9900 more thermally efficient, which is relevant for compact desktop builds where cooling is constrained.

The average benchmark scores reinforce the split: the Xeon averages 4373, the Core i9-9900 averages 4163. The Xeon's percentile rank of 58 versus the Core i9's 57 is a narrow overall edge, but the distribution of wins matters more than the aggregate. For users who prioritize Cinebench-style rendering, the Xeon is decisively better. For users who prioritize Geekbench-style workloads, the Core i9-9900 has the measurable advantage.

The Verdict

The data supports a simple conclusion: the Intel Xeon E-2288G is the stronger processor for rendering workloads, while the Intel Core i9-9900 is the stronger processor for Geekbench-style tasks. The Xeon's six benchmark wins out of eight, with margins consistently near 9.7% in Cinebench, make it the default recommendation for workstation and server applications where rendering performance and ECC memory support matter. The Core i9-9900's two Geekbench wins, with a 6.6% multi-core margin, make it the better option for desktop users whose workloads align with those test patterns.

The base clock difference is the most likely driver of the Cinebench results: 3.70 GHz versus 3.10 GHz, with both boosting to 5.00 GHz. The higher base clock gives the Xeon an advantage in sustained workloads, and the 95 W TDP provides the power headroom to maintain it. The Core i9-9900 compensates with better Geekbench performance despite a lower base clock and lower TDP.

The choice ultimately depends on workload type. Server and workstation buyers should select the Xeon E-2288G for its rendering performance, ECC support, and server-grade positioning. Desktop users who run Geekbench-heavy applications and value lower power draw should select the Core i9-9900. Both are end-of-life products with identical core counts, cache sizes, and memory bandwidth, so the decision rests on the benchmark distribution and the specific feature set. The Xeon wins the majority of tests and holds the higher average score, making it the stronger overall choice in the recorded data.