Intel Core i5-11500H vs Intel Xeon W-2140B Comparison

The Intel Xeon W-2140B and the Intel Core i5-11500H represent two fundamentally different design philosophies from the same manufacturer. The Xeon W-2140B is a workstation-class Skylake-W part, engineered for sustained throughput in a server-grade platform, while the Core i5-11500H is a mobile Tiger Lake-H processor, balanced for power efficiency in a compact chassis. Benchmark data reveals a nuanced picture: the Xeon wins seven of the eight head-to-head tests, but the i5's single decisive victory in Geekbench single-core underscores the architectural divide between a 2017 desktop server chip and a 2021 mobile part. This analysis dissects where each processor excels, how their architectures diverge, and what the raw scores mean for different workloads.

Where Each One Wins

The Intel Xeon W-2140B is the clear winner for heavily threaded, multi-core workloads. Across the entire Cinebench suite—R15, R20, and R23—the Xeon consistently outperforms the i5-11500H by a margin of 3.7% to 3.8% in both single-core and multi-core tests. This consistency is notable; the Xeon's advantage is not a fluke of one benchmark but a pattern that holds across all render-based tests. For professionals running CPU-bound render tasks, video encoding, or scientific simulations that scale across many threads, the Xeon's 8 cores and 16 threads provide a measurable edge over the i5's 6 cores and 12 threads. Its 120 W TDP and quad-channel memory support further reinforce its role as a sustained-workload processor, though those details appear later in the data.

The Intel Core i5-11500H wins exactly one benchmark: Geekbench single-core, with a score of 1778 against the Xeon's 1299—a massive 26.9% advantage. This is not a marginal victory; it is a dominant one. The i5's higher boost clock of 4.60 GHz versus the Xeon's 4.20 GHz, combined with the newer Tiger Lake architecture, gives it a substantial lead in lightly threaded, latency-sensitive tasks. Applications like web browsing, office productivity, and legacy single-threaded software will feel snappier on the i5. The i5 also has integrated UHD Graphics 750, which the Xeon lacks entirely, making it the only one of the two that can output to a display without a discrete GPU. For a mobile user who needs a capable laptop for daily tasks and occasional rendering, the i5's single-core strength and built-in graphics are decisive.

It is also worth noting the market segments: the Xeon is a Server/Workstation part, while the i5 is Mobile. This is not merely a label; it dictates the entire platform. The Xeon's 48 PCIe Gen 3 lanes and quad-channel memory bus are designed for expansion cards and high-bandwidth storage. The i5's 20 PCIe Gen 4 lanes and dual-channel bus are for a laptop's constrained space. The data shows that if you need raw multi-core throughput in a stationary workstation, the Xeon wins. If you need a balanced mobile processor with strong single-core performance and integrated graphics, the i5 is the logical choice.

Architecture Differences

The architectural gulf between these two parts is wide. The Xeon W-2140B uses the Skylake-W architecture on a 14 nm process node, fabricated by Intel. Its die size is a massive 484 mm², reflecting the larger core count and server-grade memory controller. The i5-11500H, in contrast, uses the newer Tiger Lake-H architecture on a 10 nm process, also from Intel, with a significantly smaller die size of 190 mm². This process shrink is the primary driver of the i5's superior power efficiency—its 35 W TDP is less than a third of the Xeon's 120 W TDP.

Cache configurations also differ. The Xeon has 64 KB of L1 cache per core and 1 MB of L2 per core, with a shared 11 MB L3 cache. The i5 has 80 KB of L1 per core and 1.25 MB of L2 per core, with a larger shared 12 MB L3 cache. Despite having fewer cores, the i5's per-core cache is larger, which contributes to its single-core advantage. The Xeon's total L3 is 11 MB, while the i5's is 12 MB, meaning the mobile chip has more shared cache for fewer threads to fight over.

Memory support is another major divergence. The Xeon supports quad-channel DDR4 with a theoretical bandwidth of 85.3 GB/s, and it has ECC memory support. The i5 supports dual-channel DDR4, halving the bandwidth to 51.2 GB/s, and lacks ECC. The Xeon's PCIe implementation is Gen 3 with 48 lanes, while the i5 uses Gen 4 with only 20 lanes. The Xeon's socket is Intel Socket 2066, a desktop/server socket, whereas the i5 is soldered (BGA 1787), indicating it is not upgradeable. The i5 also includes integrated UHD Graphics 750; the Xeon has no integrated graphics at all.

The production status and release dates further highlight the generational gap. The Xeon is end-of-life, released in December 2017. The i5 is active, released in May 2021—a gap of over three years. This explains why the i5's architecture is more modern, even though it is a lower-tier product segment. The Xeon's part number is SR3LK, while the i5's is SRKT2. Neither processor has an unlocked multiplier, so overclocking is off the table for both.

Head-to-Head Benchmarks

The head-to-head data is remarkably consistent, with one glaring outlier. In Cinebench R15 multi-core, the Xeon scores 1480 against the i5's 1427, a 3.7% lead. The single-core R15 test shows a similar pattern: 209 versus 201, a 4% lead for the Xeon. This is unexpected—most would assume a newer mobile chip would win single-core—but the data is clear. The Xeon's higher base clock of 3.20 GHz versus the i5's 2.40 GHz likely contributes to this, as the Xeon does not need to boost as aggressively to hit its performance level.

Moving to Cinebench R20, the Xeon again wins multi-core with 6170 versus 5949 (3.7% lead) and single-core with 871 versus 839 (3.8% lead). The pattern holds in R23: multi-core 14692 versus 14166 (3.7%) and single-core 2074 versus 1999 (3.8%). The Xeon's multi-core advantage is stable at 3.7% across all three Cinebench versions, suggesting a consistent throughput advantage. The single-core advantage is also stable, hovering between 3.8% and 4%.

Geekbench tells a different story. In multi-core, the Xeon wins 7381 versus 7135, a 3.4% lead. But in single-core, the i5 crushes the Xeon with 1778 versus 1299, a 26.9% delta. This is the single largest performance gap in the entire comparison. The i5's Geekbench single-core score is 479 points higher, a massive difference that reflects the Tiger Lake architecture's superior IPC (instructions per clock) and the i5's higher boost clock. The Geekbench multi-core test shows the Xeon still wins, but by a smaller margin than in Cinebench, indicating that Geekbench's multi-core test scales differently with thread count.

Overall, the Xeon wins 7 out of 8 benchmarks, but the one loss is so decisive that it cannot be ignored. For users prioritizing single-threaded performance, the i5 is clearly superior. For all other workloads, the Xeon's extra cores and higher base clock give it a consistent, if modest, edge.

FAQ

Q: Which processor is faster in multi-core workloads?

A: The Intel Xeon W-2140B wins every multi-core benchmark, including Cinebench R23 multi-core (14692 vs 14166) and Geekbench multi-core (7381 vs 7135), with a consistent 3.4% to 3.7% lead over the i5-11500H.

Q: How much faster is the i5-11500H in single-core performance?

A: The i5-11500H wins Geekbench single-core by a massive 26.9% (1778 vs 1299), but loses every Cinebench single-core test by 3.8% to 4%. The Geekbench win is the only single-core advantage for the i5.

Q: Does the Xeon W-2140B support ECC memory?

A: Yes, the Xeon W-2140B has ECC memory support. The Core i5-11500H does not support ECC memory.

Q: What integrated graphics does each processor have?

A: The Core i5-11500H has integrated UHD Graphics 750. The Xeon W-2140B has no integrated graphics.

Q: Which processor has higher memory bandwidth?

A: The Xeon W-2140B supports quad-channel DDR4 with a theoretical bandwidth of 85.3 GB/s. The i5-11500H supports dual-channel DDR4 with a bandwidth of 51.2 GB/s.

Q: Which processor is better for a laptop?

A: The i5-11500H is a mobile processor with a 35 W TDP and integrated graphics, making it suitable for laptops. The Xeon W-2140B has a 120 W TDP and requires a separate graphics card, making it unsuitable for mobile use.

Specification Differences

The following table outlines the key specifications where the two processors differ, based solely on the data provided.

| Specification | Intel Xeon W-2140B | Intel Core i5-11500H |

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

| Cores | 8 | 6 |

| Threads | 16 | 12 |

| Base Clock | 3.20 GHz | 2.40 GHz |

| Boost Clock | 4.20 GHz | 4.60 GHz |

| TDP | 120 W | 35 W |

| Socket | Intel Socket 2066 | Intel BGA 1787 |

| Architecture | Skylake | Tiger Lake |

| Codename | Skylake-W | Tiger Lake-H |

| Process Node | 14 nm | 10 nm |

| Die Size | 484 mm² | 190 mm² |

| L1 Cache (per core) | 64 KB | 80 KB |

| L2 Cache (per core) | 1 MB | 1.25 MB |

| L3 Cache (shared) | 11 MB | 12 MB |

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

| Memory Bandwidth | 85.3 GB/s | 51.2 GB/s |

| ECC Memory | Yes | No |

| PCIe | Gen 3, 48 Lanes (CPU only) | Gen 4, 20 Lanes (CPU only) |

| Integrated Graphics | None | UHD Graphics 750 |

| Market Segment | Server/Workstation | Mobile |

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

| Release Date | 2017-12-20 | 2021-05-10 |

| Launch MSRP | None | $250 |

| Part Number | SR3LK | SRKT2 |