Intel Xeon Platinum 8268

The Intel Xeon Platinum 8268 is a 24-core, 48-thread Cascade Lake-SP processor aimed squarely at the server and workstation segment. Its aggregate benchmark profile places it in the 69th percentile of all CPUs tracked, with an average benchmark score of 8507. The data indicates a processor designed for sustained multi-threaded throughput rather than raw single-core speed, a characteristic consistent with its 205 W TDP class and enterprise positioning.

How It Compares

Against the Intel Pentium Gold G7400, the Xeon Platinum 8268 posts a delta of -0.1%, meaning the two processors are statistically tied in average benchmark score (8507 vs 8514). This is a striking data point because the G7400 is a low-end desktop part, while the Xeon is a high-core-count server chip. The parity in average score reflects that the G7400’s superior single-thread capabilities and the Xeon’s massive multi-core throughput nearly cancel out across the full benchmark suite, though their workload profiles are entirely different.

Relative to the Intel Core i5-8250U, the Xeon Platinum 8268 trails by 0.8% in average score (8507 vs 8579). The i5-8250U is a quad-core mobile processor with a much lower TDP, yet its higher clock speeds in lightly threaded tasks and efficiency-oriented design allow it to edge out the Xeon in the aggregate. This comparison underscores that the Xeon’s value is not in general-purpose mixed workloads but in specialized multi-threaded environments where its 24 cores dominate.

The Intel Core i7-10510U shows a similar pattern, with the Xeon Platinum 8268 behind by 0.9% (8507 vs 8588). This is another low-power mobile part, reinforcing the point that the Xeon’s average score is heavily diluted by its modest single-core results. The i7-10510U’s four cores and high turbo clocks produce competitive scores in single-threaded and lightly threaded tests, which the Xeon cannot match, despite having six times as many cores.

Against the Intel Xeon Gold 6326, the Xeon Platinum 8268 leads by 1.1% (8507 vs 8418). This is the only rival that shares the Xeon’s server-class DNA, and the narrow margin indicates that the Platinum 8268 holds a slight aggregate advantage. The Gold 6326 is a newer architecture, but the data suggests the Platinum’s high core count keeps it competitive in the same performance ballpark, making this a meaningful comparison for anyone evaluating older versus newer Xeon offerings.

Single-Thread vs Multi-Thread Behavior

The split between single-thread and multi-thread scores is pronounced and instructive. In Cinebench R23, the Xeon Platinum 8268 scores 4152 in single-core and 29413 in multi-core, a ratio of roughly 7.1x. This multi-core advantage is the processor’s defining trait, driven by 24 physical cores and 48 threads operating at a base clock of 2.90 GHz and a boost clock of 3.90 GHz. For workloads that scale across cores—rendering, scientific simulation, virtual machine hosting—the data shows the Xeon can deliver near-linear throughput gains.

Conversely, the single-core score of 4152 in R23 places it below many mainstream desktop processors, as evidenced by its closeness to low-power mobile parts in average benchmarks. Real-world implications are clear: tasks like spreadsheet recalculation, web browsing, or light coding will not benefit from this CPU’s architecture, as they rely on a single thread’s speed. The 3.90 GHz boost clock is modest by modern standards, and the 14 nm process node further limits per-core efficiency relative to smaller-node competitors.

The behavioral split also appears in older Cinebench versions. In R20, the multi-core score of 12353 versus single-core 1743 yields a 7.1x ratio, consistent with R23. R15 shows a similar pattern: 2964 multi-core versus 418 single-core, a 7.1x ratio again. This consistency across benchmark generations indicates that the core-to-thread scaling is stable and predictable, meaning software that uses all threads can expect proportional gains, while single-threaded software will see the CPU behave like a mid-range part from its era.

For real workloads, the interpretation is that the Xeon Platinum 8268 excels in batch processing, compilation of large codebases, and data analytics where parallelization is standard. It struggles in interactive or latency-sensitive tasks, where a faster single core would reduce response times. The 35.75 MB shared L3 cache and 1 MB L2 per core help mitigate some memory latency in multi-threaded scenarios, but they do not compensate for the single-thread deficit.

Power and Thermals

The Xeon Platinum 8268 carries a TDP rating of 205 W, which classifies it as a high-power, high-performance server part. This TDP figure implies a cooling solution well beyond typical desktop air coolers; the data suggests a robust server-grade heatsink or active cooling is mandatory, especially in dense rack deployments. The 14 nm process node, while mature, contributes to this thermal load, as smaller nodes generally offer better performance-per-watt.

The 205 W TDP also has implications for system design. Power delivery must be capable of sustaining this draw under full multi-core load, and the Intel Socket 3647 platform is designed for such demands. The processor’s base clock of 2.90 GHz is relatively modest, which suggests the TDP is intended to be maintained across all cores at that frequency, with boost clocks up to 3.90 GHz requiring additional thermal headroom. In practice, sustained all-core workloads are likely to approach the TDP limit, meaning chassis airflow and ambient temperature control are critical factors.

Compared to the rivals in the data, the Xeon’s TDP is far higher than the low-power mobile parts (i5-8250U and i7-10510U, which are in the 15 W class) and likely higher than the Pentium Gold G7400 as well. The Xeon Gold 6326, being a server part, may have a similar TDP class, but the fact pack does not specify its TDP. The data nonetheless indicates that the Platinum 8268 requires a dedicated thermal solution, and users should plan for the associated power infrastructure, such as redundant power supplies in server environments.

FAQ

Q: What is the core and thread count of the Intel Xeon Platinum 8268?

A: It has 24 cores and 48 threads.

Q: How does the Xeon Platinum 8268 perform in single-threaded Cinebench R23?

A: It scores 4152 in the Cinebench R23 single-core test.

Q: What is the multi-core Cinebench R23 score?

A: The multi-core score is 29413, which is approximately 7.1 times higher than the single-core score.

Q: Does this processor support ECC memory?

A: Yes, it supports ECC memory, which is typical for server and workstation processors.

Q: What socket does the Xeon Platinum 8268 use?

A: It uses the Intel Socket 3647.

Q: What is the TDP of this CPU?

A: The TDP is 205 W, indicating a high-power server-class part.

Benchmark Performance

The benchmark data reveals a processor that is highly specialized. The average benchmark score of 8507 places it just below the Pentium Gold G7400 (8514, -0.1% delta) and the Core i5-8250U (8579, -0.8% delta), yet above the Xeon Gold 6326 (8418, 1.1% delta). These deltas are narrow, but the underlying scores tell a different story when segmented by workload type.

In Cinebench R15 multicore, the Xeon Platinum 8268 achieves 2964, while its single-core score is 418. The R15 multicore result is roughly 7.1x the single-core figure, a ratio that holds across R20 (12353 vs 1743) and R23 (29413 vs 4152). This consistent scaling demonstrates that the processor’s 24 cores are effectively utilized in threaded benchmarks, and the absolute multicore scores are strong enough to compete with modern server parts. For instance, the 29413 R23 multicore score would place it well ahead of many desktop CPUs in the same percentile range, though direct rival scores are not provided for individual tests.

The single-core scores, however, are where the Xeon loses ground. The R23 single-core score of 4152 is low compared to contemporary desktop parts, which often exceed 5000 in the same test. This explains why the average benchmark score is dragged down: the aggregate includes both single-threaded and multi-threaded tests, and the former penalize the Xeon heavily. The percentile rank of 69 suggests that, across all CPUs ever tested, the Xeon sits in the upper third, but this is a reflection of its multicore strength rather than overall balance.

The deltaPct values against nearest rivals are all within ±1.1%, indicating that the average scores are clustered. However, the composition of those averages differs drastically. The Pentium Gold G7400 likely achieves its score through high single-core performance, while the Xeon achieves it through multicore throughput. For a user who runs only single-threaded software, the Xeon would underperform the G7400 despite similar average scores; for a user running fully threaded workloads, the Xeon would dominate. The data thus warns against using average scores alone for purchasing decisions.

Who Should Consider It

The Xeon Platinum 8268 is clearly intended for server and workstation environments where multi-threaded performance is paramount. Its 24 cores and 48 threads, combined with a 35.75 MB shared L3 cache, make it suitable for workload types such as 3D rendering, video encoding, and large-scale data processing. In Cinebench R23 multicore, the score of 29413 indicates that rendering tasks which scale across cores will see substantial throughput, potentially finishing in a fraction of the time compared to lower-core-count parts.

For gaming, the data does not favor this processor. The single-core score of 4152 in R23 is modest, and most games rely heavily on one or a few threads. The low single-thread performance would likely bottleneck high-refresh-rate gaming scenarios, and the 205 W TDP adds thermal complexity without gaming benefits. The presence of ECC memory support and the Socket 3647 platform further indicate a non-consumer focus, as gaming systems typically use different sockets and memory types.

For content creation, the Xeon Platinum 8268 is a strong candidate if the workflow is batch-oriented. Video editing software that can utilize all threads for exports would benefit from the 29413 R23 multicore score, and the 48 threads allow for simultaneous processing of multiple streams. However, interactive editing tasks that require low latency on a single thread may feel sluggish, as the 3.90 GHz boost clock is not competitive with modern desktop CPUs.

Office productivity and general desktop use are poor fits for this processor. The single-core performance is adequate but unremarkable, and the high TDP and server platform require specialized motherboards and cooling, which are overkill for document editing or web browsing. The data suggests that a low-power mobile CPU like the Core i7-10510U would outperform it in such mixed-use scenarios, as evidenced by the i7’s higher average score (8588 vs 8507).

In summary, the Xeon Platinum 8268 should be considered by professionals running server-class, multi-threaded workloads that can fully utilize 24 cores. It should be avoided for gaming, general office work, or any application where single-thread speed is the primary metric. The benchmark data consistently points to a processor that trades per-core efficiency for massive parallel throughput, and its 69th percentile ranking reflects that trade-off in the broader CPU landscape.