Intel Core i5-8500B vs Intel Xeon E-2144G Comparison

Head-to-Head Benchmarks

The benchmark data presents a clear pattern: the Intel Xeon E-2144G wins seven of the eight recorded comparisons, with the Intel Core i5-8500B taking only a single victory. The margins are consistent and meaningful across the Cinebench suite, where the Xeon holds a steady advantage of roughly 5.7% to 5.8% in both multi-core and single-core tests.

Starting with multi-core workloads, the Xeon E-2144G scores 797 in Cinebench R15 multi-core versus 753 for the i5-8500B, a 5.8% lead. In Cinebench R20 multi-core, the gap remains nearly identical: 3322 against 3141, again 5.8%. The Cinebench R23 multi-core result follows suit, with 7910 for the Xeon and 7480 for the i5-8500B, a 5.7% difference. These consistent margins across three generations of the Cinebench test suggest the Xeon's advantage is structural rather than workload-specific.

Single-core performance tells a similar story, though with slightly varied margins. In Cinebench R15 single-core, the Xeon scores 112 versus 106, a 5.7% lead. Cinebench R20 single-core shows 468 against 443, a 5.6% edge. Cinebench R23 single-core records 1116 for the Xeon and 1056 for the i5-8500B, again 5.7%. The Geekbench single-core test delivers the largest single margin: 1508 for the Xeon versus 1407 for the i5-8500B, a decisive 7.2% gap.

The one benchmark where the i5-8500B takes the lead is Geekbench multi-core, scoring 4998 against the Xeon's 4875, a 2.5% advantage. This is notable because it runs counter to the Cinebench results, where the Xeon wins by a larger margin. The discrepancy likely reflects different workload characteristics in the Geekbench suite, but the overall trend remains in the Xeon's favor.

Looking at the aggregate picture, the Xeon E-2144G has an average benchmark score of 2514, while the i5-8500B averages 2423. The Xeon sits at the 49th percentile among all CPUs in the database, and the i5-8500B is just behind at the 48th percentile. The Xeon's nearest rivals include the Intel Xeon E5-2643 v3 (0.1% ahead), the Intel Xeon E5-2630 v3 (0.3% ahead), the Intel Xeon E-2244G (0.5% behind), and the Intel Core i3-10325 (0.6% behind). The i5-8500B's nearest rivals are the AMD Ryzen 5 4680U (0.1% behind), the Intel Core i7-9850HE (0.1% ahead), the AMD Ryzen 3 PRO 4450U (0.4% ahead), and the Intel Xeon E5-2630L v3 (0.6% ahead).

Architecture Differences

Both processors share the Coffee Lake architecture and are built on Intel's 14 nm process node, but they diverge in several key structural aspects. The Xeon E-2144G uses the Coffee Lake-S WS codename and belongs to the Xeon E-2100 series, while the i5-8500B carries the plain Coffee Lake codename and sits in the Core i5 lineup. The die sizes differ notably: the Xeon measures 126 mm², while the i5-8500B is larger at 154 mm², reflecting the i5's additional cores.

Core and thread counts create a fundamental split. The Xeon E-2144G has 4 cores and 8 threads, enabling simultaneous multithreading. The i5-8500B has 6 cores and 6 threads, with no hyperthreading support. This means the Xeon can process more concurrent threads despite having fewer physical cores, while the i5 relies on raw core count for multi-threaded tasks.

Clock speeds favor the Xeon in both base and boost operation. The Xeon runs at a 3.60 GHz base clock and boosts to 4.50 GHz, while the i5-8500B operates at 3.00 GHz base and 4.10 GHz boost. The Xeon's higher clocks contribute directly to its single-core benchmark wins, especially the 7.2% Geekbench single-core margin.

Cache allocation also differs. Both have 64 KB of L1 cache per core and 256 KB of L2 cache per core, but the shared L3 cache is larger on the i5-8500B: 9 MB shared versus 8 MB shared on the Xeon. The i5's additional core and larger L3 cache help explain its Geekbench multi-core victory, though not enough to overcome the Xeon's clock and threading advantages in Cinebench.

Memory support is identical in bandwidth: both use DDR4 with dual-channel configuration and 42.7 GB/s memory bandwidth. The critical difference is ECC memory support. The Xeon E-2144G supports ECC memory, while the i5-8500B does not. This is a decisive factor for workstation and server deployments where data integrity matters.

The integrated graphics differ as well. The Xeon includes HD Graphics P630, while the i5-8500B features UHD Graphics 630. Both use the same PCIe configuration: Gen 3 with 16 lanes from the CPU.

Socket compatibility separates these processors entirely. The Xeon E-2144G uses Intel Socket 1151, a standard LGA socket suitable for replaceable motherboards. The i5-8500B uses Intel BGA 1440, a ball-grid array soldered directly to the motherboard, meaning it is not user-upgradeable in the conventional sense.

FAQ

Q: Which processor has a higher multi-core performance in Cinebench tests?

A: The Intel Xeon E-2144G wins all three Cinebench multi-core comparisons. It leads by 5.8% in R15 (797 vs 753), 5.8% in R20 (3322 vs 3141), and 5.7% in R23 (7910 vs 7480).

Q: Does the i5-8500B win any benchmark at all?

A: Yes, the i5-8500B wins Geekbench multi-core with a score of 4998 versus the Xeon's 4875, a 2.5% margin. This is the only benchmark win for the i5 out of the eight recorded tests.

Q: What is the biggest performance gap between these two processors?

A: The largest margin is in Geekbench single-core, where the Xeon E-2144G leads by 7.2% (1508 vs 1407). The smallest margin is in Geekbench multi-core, where the i5-8500B leads by 2.5%.

Q: Why does the Xeon E-2144G win most benchmarks despite having fewer cores?

A: The Xeon has 8 threads versus 6 threads on the i5-8500B, and it runs at higher clock speeds: 3.60 GHz base and 4.50 GHz boost compared to 3.00 GHz base and 4.10 GHz boost. These factors offset the i5's two additional physical cores.

Q: Can the i5-8500B be used with ECC memory?

A: No, the i5-8500B does not support ECC memory. The Xeon E-2144G explicitly supports ECC memory, making it the appropriate choice for error-correcting memory configurations.

Q: Which processor has a larger L3 cache?

A: The i5-8500B has a 9 MB shared L3 cache, while the Xeon E-2144G has an 8 MB shared L3 cache. The i5's larger cache and six cores contribute to its Geekbench multi-core win.

Specification Differences

The recorded specifications show several clear distinctions between the two processors:

| Specification | Intel Xeon E-2144G | Intel Core i5-8500B |

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

| Cores | 4 | 6 |

| Threads | 8 | 6 |

| Base Clock | 3.60 GHz | 3.00 GHz |

| Boost Clock | 4.50 GHz | 4.10 GHz |

| TDP | 71 W | 65 W |

| Socket | Intel Socket 1151 | Intel BGA 1440 |

| Die Size | 126 mm² | 154 mm² |

| L3 Cache | 8 MB (shared) | 9 MB (shared) |

| ECC Memory | Supported | Not supported |

| Integrated Graphics | HD Graphics P630 | UHD Graphics 630 |

| Market Segment | Server/Workstation | Desktop |

| Release Date | 2018-07-11 | 2018-04-02 |

| Launch MSRP | $272 | $192 |

| Part Number | SR3WM | SRCX3 |

Where Each One Wins

The Intel Xeon E-2144G wins in every Cinebench multi-core and single-core test, plus Geekbench single-core. This makes it the stronger choice for applications that rely on per-thread performance and consistent multi-threaded rendering. The Xeon's higher boost clock of 4.50 GHz and hyperthreading support give it an edge in workloads like 3D rendering, video encoding, and simulation tasks that scale with thread count but also benefit from high clock speeds. The ECC memory support extends its suitability to servers and workstations where memory errors are unacceptable.

The Intel Core i5-8500B wins only Geekbench multi-core, but this is a meaningful result. The 2.5% margin in that test, combined with six physical cores and a larger 9 MB L3 cache, suggests the i5 handles certain multi-threaded workloads differently, particularly those that favor raw core count over thread count and clock speed. The i5's lower 65 W TDP also makes it easier to cool in compact systems, and its BGA 1440 socket indicates it is designed for integrated motherboard solutions where replaceability is not a priority.

The i5-8500B's advantage in Geekbench multi-core should not be dismissed. For users running diverse workloads that mirror Geekbench's mixed test patterns, the i5 could match or exceed the Xeon in practice, despite losing in the Cinebench suite. However, the Xeon's wins are more numerous and generally larger in margin.

The Verdict

The data points decisively to the Intel Xeon E-2144G as the stronger overall performer. It wins seven of eight benchmarks, with margins between 5.6% and 7.2%. The single loss in Geekbench multi-core is narrow at 2.5%, and it does not offset the consistent Cinebench advantages. The Xeon also offers ECC memory support, which the i5-8500B lacks, making it the appropriate choice for server and workstation environments where data integrity is critical.

The Intel Core i5-8500B is not without merit. Its Geekbench multi-core win indicates that in certain mixed workloads, the six physical cores and larger L3 cache can overcome the Xeon's clock and threading advantages. The i5 also carries a lower 65 W TDP, which matters in thermally constrained systems. Its BGA 1440 socket means it is soldered to the board, so it belongs in a pre-configured platform rather than a build-your-own setup.

For a builder choosing between these two, the decision hinges on workload and platform. If the application mix includes heavy multi-threaded rendering or computation, the Xeon E-2144G is the clear pick based on its Cinebench dominance. If the target workloads resemble Geekbench's mixed pattern and the system is a fixed, soldered design, the i5-8500B offers competitive performance with lower power draw. The Xeon's ECC support and socket 1151 compatibility give it more flexibility for workstation upgrades, while the i5's soldered nature is a limitation for future changes.

In aggregate, the Xeon E-2144G's average benchmark score of 2514 versus the i5-8500B's 2423 reflects a roughly 3.8% overall advantage, consistent with its win count. The Xeon also sits slightly higher in the database's percentile ranking at 49 versus 48. For most use cases, the Xeon E-2144G is the superior processor, with the i5-8500B serving as a viable alternative only in specific multi-threaded scenarios measured by Geekbench.