Intel Core i9-10920X vs Intel Xeon W-2170B Comparison

Head-to-Head Benchmarks

The recorded data shows a consistent pattern across all six shared benchmark tests: the Intel Core i9-10920X wins every single comparison. The deltas are remarkably uniform, hovering between 5.6% and 5.8% in favor of the Core i9 part. This is not a case of one processor excelling in one workload type while falling behind in another; the margin is nearly identical across both single-core and multi-core tests.

In Cinebench R15 multi-core, the Core i9-10920X scores 2203 against the Xeon W-2170B's 2085, a 5.7% advantage. The single-core R15 result is 311 versus 294, a 5.8% lead. Moving to Cinebench R20, the multi-core score is 9181 for the Core i9 and 8691 for the Xeon, again a 5.6% gap. The R20 single-core test shows 1296 versus 1226, a 5.7% difference.

Cinebench R23 follows the same script. Multi-core: 21861 for the Core i9-10920X, 20693 for the Xeon W-2170B, a 5.6% margin. Single-core: 3086 against 2921, also 5.6%. The consistency of these margins is notable. A 5.6% to 5.8% delta across every test suggests a fundamental clock-speed or architectural advantage rather than a workload-specific quirk.

The average benchmark score in the database reinforces the picture. The Core i9-10920X averages 6347 across its recorded benchmarks, while the Xeon W-2170B averages 5985. The Core i9 sits at the 62nd percentile of all CPUs in the database; the Xeon sits at the 61st. Despite the Xeon having more cores, the Core i9's higher clock speeds keep it ahead in every measured scenario.

Looking at the nearest rivals for context, the Core i9-10920X is bracketed by a tight cluster. It trails the AMD EPYC 7551 by 0.7% and the Intel Core i7-12800HE by 1.9%, while leading the AMD Ryzen 3 3100U by 1.6% and the AMD Ryzen Threadripper 1950X by 1.9%. The Xeon W-2170B, meanwhile, leads the Intel Core i9-9920X by 1.1% and the AMD EPYC 7451 by 1.2%, while trailing the AMD EPYC 7501 by 2.3% and the Intel Core i9-7940X by 2.6%. Both processors sit in a crowded performance band, but the Core i9 consistently holds the upper hand within that band.

Where Each One Wins

The Core i9-10920X wins in every benchmark category recorded in the database. It dominates both single-threaded and multi-threaded workloads. There is no test in the shared suite where the Xeon W-2170B comes out ahead.

For single-threaded performance, the Core i9's advantage comes from its higher boost clock of 4.80 GHz against the Xeon's 4.30 GHz. The single-core deltas range from 5.6% to 5.8% across the three Cinebench versions, which directly reflects that clock advantage. Applications that rely on per-thread responsiveness, such as lightly threaded rendering tasks or legacy software with limited parallelism, will see the Core i9 pull ahead.

For multi-threaded performance, the situation is more nuanced because the Xeon W-2170B has 14 cores and 28 threads, while the Core i9-10920X has 12 cores and 24 threads. The Xeon should theoretically have a raw core-count edge. Yet the multi-core benchmark results show the Core i9 winning by 5.6% to 5.7% in every test. The Core i9's higher base clock of 3.50 GHz against the Xeon's 2.50 GHz, combined with its higher boost clock, more than compensates for the two-core deficit. The data does not show any workload type where the Xeon's extra cores translate into a win.

The Xeon W-2170B does have features the Core i9 lacks, but these do not show up in the recorded benchmark scores. It supports ECC memory, which the Core i9 does not. It also has more PCIe lanes: 48 lanes on the CPU, versus the Core i9's unspecified lane count. The Xeon carries a 484 mm² die size and a memory bandwidth rating of 85.3 GB/s. These are specification-level advantages for server and workstation environments, but they do not manifest as benchmark wins in the Cinebench and Geekbench tests recorded here.

The Verdict

The benchmark data is unambiguous. The Intel Core i9-10920X outperforms the Intel Xeon W-2170B in every recorded test, with margins between 5.6% and 5.8%. The Core i9 wins all six head-to-head comparisons. Its average benchmark score of 6347 is 362 points higher than the Xeon's 5985.

Users who prioritize raw compute performance in the workloads represented by Cinebench and Geekbench should choose the Core i9-10920X. It delivers higher scores in both single-core and multi-core tests despite having fewer cores. The higher clock speeds, both base and boost, are the likely explanation for this result.

Users who need ECC memory support or the Xeon's specific platform features should consider the W-2170B despite its lower benchmark scores. The Xeon supports ECC memory, has 48 PCIe lanes from the CPU, and is positioned for the server and workstation market segment. Its production status is listed as end-of-life, while the Core i9 is still active.

The Core i9-10920X also has an unlocked multiplier, allowing overclocking, while the Xeon W-2170B is locked. For users who plan to tune their systems, this is a meaningful differentiator. The Core i9's 165 W TDP is higher than the Xeon's 140 W, indicating a more power-hungry part, but the benchmark results show that power budget is converted into performance.

The percentile rankings are close: 62nd for the Core i9 versus 61st for the Xeon. Both are mid-pack performers in the broader CPU landscape. The nearest rival clusters for both processors show they are surrounded by a dense field of comparable CPUs, where a few percentage points separate dozens of parts. Within that field, the Core i9 is consistently the stronger of the two.

FAQ

Q: Which processor has a higher multi-core Cinebench R23 score?

A: The Intel Core i9-10920X scores 21861, while the Intel Xeon W-2170B scores 20693. The Core i9 leads by 5.6%.

Q: Does the Xeon W-2170B ever win in any benchmark test?

A: No. In the six head-to-head tests recorded in the database, the Core i9-10920X wins all six. The Xeon W-2170B has zero wins.

Q: How many cores and threads does each processor have?

A: The Intel Core i9-10920X has 12 cores and 24 threads. The Intel Xeon W-2170B has 14 cores and 28 threads.

Q: Does the Xeon W-2170B support ECC memory?

A: Yes, the Xeon W-2170B supports ECC memory. The Core i9-10920X does not support ECC memory.

Q: What is the average benchmark score for each processor?

A: The Core i9-10920X has an average benchmark score of 6347. The Xeon W-2170B has an average benchmark score of 5985.

Q: Which processor has a higher boost clock?

A: The Core i9-10920X has a boost clock of 4.80 GHz, while the Xeon W-2170B has a boost clock of 4.30 GHz.

Architecture Differences

The two processors are built on different architectures within the same process node. The Intel Core i9-10920X uses the Cascade Lake architecture, specifically Cascade Lake-X, part of the Core i9 X-Series 10th Gen family. The Intel Xeon W-2170B uses the Skylake architecture, specifically Skylake-W, part of the Xeon W family.

Both are fabricated on Intel's 14 nm process node, but the Xeon W-2170B has a recorded die size of 484 mm², while the Core i9-10920X has no die size recorded in the database. The cache hierarchies are identical: 64 KB of L1 per core, 1 MB of L2 per core, and 19.25 MB of shared L3 cache on both parts.

The core counts differ. The Xeon has 14 cores and 28 threads, two more cores and four more threads than the Core i9's 12 cores and 24 threads. Despite the Xeon's core advantage, the Core i9 wins all benchmarks, which points to the clock speed differential as the deciding factor.

Memory support is similar in type and bus width. Both support DDR4 memory and use a quad-channel memory bus. The Xeon W-2170B has a recorded memory bandwidth of 85.3 GB/s; no such figure is recorded for the Core i9. The Xeon supports ECC memory, while the Core i9 does not.

PCIe capabilities differ. The Xeon W-2170B offers PCIe Gen 3 with 48 lanes from the CPU. The Core i9-10920X offers PCIe Gen 3 but its lane count is not specified in the database. The Xeon's 48 lanes are a significant advantage for workstation configurations with multiple GPUs or high-speed storage devices.

The production statuses differ as well. The Core i9-10920X is listed as active, while the Xeon W-2170B is listed as end-of-life. The release dates reflect this: the Core i9 launched on 2019-10-18, while the Xeon launched on 2017-12-20. The Xeon is a product from an earlier era, which explains its architectural generation difference.

Specification Differences

The core and thread counts are the most obvious difference. The Xeon W-2170B has 14 cores and 28 threads, while the Core i9-10920X has 12 cores and 24 threads. The Xeon has two more physical cores and four more threads.

Clock speeds strongly favor the Core i9. Its base clock is 3.50 GHz compared to the Xeon's 2.50 GHz. Its boost clock is 4.80 GHz compared to the Xeon's 4.30 GHz. The Core i9 is faster at both ends of the frequency range.

Thermal design power differs. The Core i9-10920X has a TDP of 165 W, while the Xeon W-2170B has a TDP of 140 W. The Core i9 consumes more power but delivers higher performance in the benchmarks.

The socket is the same for both: Intel Socket 2066. The memory bus is also the same: quad-channel DDR4. The market segments differ, with the Core i9 classified as a desktop part and the Xeon classified as a server and workstation part.

The multiplier is unlocked on the Core i9-10920X and locked on the Xeon W-2170B. This gives the Core i9 overclocking headroom, though the recorded benchmarks do not reflect any overclocked results.

ECC memory support is exclusive to the Xeon W-2170B. The Core i9 does not support ECC memory. The Xeon also has a recorded memory bandwidth of 85.3 GB/s, a figure absent from the Core i9's database entry.

PCIe lane counts differ, with the Xeon offering 48 lanes from the CPU and the Core i9's lane count unrecorded. The Xeon's part number is listed as SR3W3, while no part number is recorded for the Core i9. The production statuses differ: the Core i9 is active, the Xeon is end-of-life. The release dates differ by nearly two years, with the Xeon launching on 2017-12-20 and the Core i9 on 2019-10-18.