CPU Comparison

The Intel Xeon E-2224G and Intel Core i5-8259U are both 14 nm Coffee Lake parts, but they target radically different worlds: a server/workstation socket versus a mobile BGA package. The benchmark data reveals a fascinating split, with each chip claiming victories in different test suites. The Xeon E-2224G dominates in Geekbench, while the Core i5-8259U consistently edges ahead in Cinebench, making the choice between them dependent on the specific workload.

Head-to-Head Benchmarks

The most striking result in the head-to-head comparison is the Geekbench single-core test. The Xeon E-2224G scores 1535 against the Core i5-8259U's 1207, a massive 27.2% advantage. This is the largest delta between the two processors in any benchmark, and it highlights the Xeon's much higher boost clock of 4.70 GHz versus 3.80 GHz on the mobile chip. The Geekbench multicore test also favors the Xeon, with a score of 4299 versus 4168, a 3.1% lead that suggests its higher per-core performance can overcome the i5's thread count advantage in certain multi-threaded workloads.

However, the Cinebench suite tells a completely different story. The Core i5-8259U wins all six Cinebench tests, from R15 through R23, in both single-core and multicore configurations. The margins are consistent and narrow, hovering between 3.3% and 4.3%. In Cinebench R23 multicore, the i5 scores 6622 against the Xeon's 6398, a 3.4% difference. The single-core R23 results show 934 versus 903, a 3.3% gap. Even the older R15 tests follow the same pattern, with the i5 winning multicore 667 to 644 (3.4%) and single-core 94 to 90 (4.3%). This consistency across Cinebench versions is notable, suggesting the i5's 8 threads (versus the Xeon's 4) provide a tangible benefit in rendering workloads that Geekbench does not capture.

The overall win tally favors the Core i5-8259U at 6 wins versus 2 for the Xeon E-2224G. Yet the magnitude of the Xeon's Geekbench single-core victory is so large that it nearly balances the average benchmark scores between the two. The Xeon's average benchmark score is 2117, while the i5's is 2108, placing them as near-exact rivals with a deltaPct of just 0.4%. This is a razor-thin margin, and it underscores how workload-dependent the decision is.

Architecture Differences

Both processors are built on Intel's 14 nm process node with a 126 mm² die size, but they diverge significantly in their packaging and feature sets. The Xeon E-2224G uses the Intel Socket 1151 and is part of the Coffee Lake-S WS family, while the Core i5-8259U is soldered to the Intel BGA 1526 socket as part of the Coffee Lake-U mobile line. This fundamental difference in socket design explains why the Xeon is a server/workstation part and the i5 is a mobile part.

The core configurations differ in a critical way: the Xeon has 4 cores and 4 threads, while the i5 has 4 cores and 8 threads thanks to Hyper-Threading. This thread advantage is likely the primary reason the i5 wins the multicore Cinebench tests. The Xeon compensates with much higher clock speeds, running at a 3.50 GHz base and 4.70 GHz boost, versus the i5's 2.30 GHz base and 3.80 GHz boost. This clock speed advantage explains the Xeon's dominance in Geekbench single-core.

Cache hierarchies also differ. The Xeon has 8 MB of shared L3 cache, while the i5 has 6 MB. Both have the same 64 KB L1 and 256 KB L2 per core. The memory bandwidth reflects the Xeon's workstation orientation, with 42.7 GB/s versus the i5's 38.4 GB/s, though both use dual-channel DDR4. The Xeon supports ECC memory, a critical feature for server reliability, while the i5 does not. The integrated graphics are also different: the Xeon has HD Graphics P630, while the i5 has the more capable Iris Pro Plus 655.

The TDP difference is stark: the Xeon draws 71 watts, while the i5 is rated at just 28 watts. This 43-watt gap reflects the Xeon's desktop-class power envelope and the i5's mobile efficiency focus. The release dates also differ, with the i5 launching on 2018-04-04 and the Xeon arriving over a year later on 2019-05-28. The Xeon's launch MSRP is $213, while the i5's is $320.

The Verdict

The data presents a clear picture of two chips optimized for different priorities. The Xeon E-2224G is the choice for single-threaded performance and memory bandwidth, with its 27.2% Geekbench single-core lead and 11.2% higher memory bandwidth. It is also the only option for ECC memory support, making it suitable for reliability-critical server workloads. The 46th percentile ranking for both chips indicates they are mid-pack performers overall, but their strengths are complementary.

The Core i5-8259U wins in every Cinebench test, making it the better option for rendering and other multi-threaded workloads that scale with thread count. Its 8 threads provide a consistent 3.3-4.3% advantage across all Cinebench versions, which is meaningful for users who spend time in 3D rendering applications. The i5 also offers superior integrated graphics with Iris Pro Plus 655, which could be relevant for light gaming or media tasks without a discrete GPU.

For a server or workstation environment where single-threaded responsiveness and ECC reliability are paramount, the Xeon E-2224G is the clear winner. For a mobile workstation or high-performance laptop where multi-threaded rendering is frequent and power consumption matters, the Core i5-8259U is the better fit. The 28-watt TDP of the i5 versus the 71-watt TDP of the Xeon is not just a spec sheet number; it has real implications for thermal management and battery life in mobile systems.

FAQ

Q: Which CPU has a higher single-core benchmark score?

A: The Intel Xeon E-2224G, with a Geekbench single-core score of 1535 compared to the Core i5-8259U's 1207, a 27.2% advantage. In Cinebench R23 single-core, however, the i5 wins 934 to 903.

Q: Why does the Core i5-8259U win the Cinebench multicore tests?

A: The i5 has 8 threads versus the Xeon's 4 threads, allowing it to process more parallel work in Cinebench. This results in a 3.4% advantage in Cinebench R23 multicore (6622 vs 6398).

Q: Do both CPUs support ECC memory?

A: No. The Xeon E-2224G supports ECC memory, while the Core i5-8259U does not. This is a critical distinction for server and workstation reliability.

Q: What is the TDP difference between the two processors?

A: The Xeon E-2224G has a TDP of 71 watts, while the Core i5-8259U is rated at 28 watts. This makes the i5 significantly more power-efficient for mobile applications.

Q: Which CPU has more cache?

A: The Xeon E-2224G has 8 MB of shared L3 cache, while the Core i5-8259U has 6 MB. Both have identical 64 KB L1 and 256 KB L2 per core.

Q: How close are the average benchmark scores between the two?

A: The Xeon E-2224G has an average benchmark score of 2117, while the Core i5-8259U scores 2108. The deltaPct between them is just 0.4%, making them near-identical in overall performance.

Where Each One Wins

The Xeon E-2224G wins in Geekbench tests, with a 3.1% multicore lead and a massive 27.2% single-core lead. It also offers higher memory bandwidth at 42.7 GB/s versus 38.4 GB/s, and supports ECC memory. These attributes make it the stronger choice for database servers, financial modeling, and any workload that relies heavily on single-threaded performance or requires guaranteed data integrity through ECC.

The Core i5-8259U wins in all Cinebench tests, with consistent 3.3-4.3% margins in both single-core and multicore across R15, R20, and R23. Its 8 threads provide better multi-threaded rendering performance, and its Iris Pro Plus 655 integrated graphics are likely more capable than the Xeon's HD Graphics P630. The 28-watt TDP also makes it suitable for thin-and-light laptops where thermal constraints are tight.

Specification Differences

| Specification | Intel Xeon E-2224G | Intel Core i5-8259U |

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

| Threads | 4 | 8 |

| Base Clock | 3.50 GHz | 2.30 GHz |

| Boost Clock | 4.70 GHz | 3.80 GHz |

| TDP | 71 W | 28 W |

| Socket | Intel Socket 1151 | Intel BGA 1526 |

| Codename | Coffee Lake-S WS | Coffee Lake-U |

| Generation | Xeon E (Coffee Lake) | Core i5 (Coffee Lake-U) |

| L3 Cache | 8 MB (shared) | 6 MB (shared) |

| Memory Bandwidth | 42.7 GB/s | 38.4 GB/s |

| ECC Memory | Yes | No |

| Integrated Graphics | HD Graphics P630 | Iris Pro Plus 655 |

| Market Segment | Server/Workstation | Mobile |

| Release Date | 2019-05-28 | 2018-04-04 |

| Launch MSRP | $213 | $320 |