Intel Core i9-11900T

The Intel Core i9-11900T is an 8-core, 16-thread Rocket Lake desktop processor built on Intel's 14 nm process, targeting the Intel Socket 1200 platform. It features a base clock of 1500.00 MHz and a boost clock of 4.90 GHz, with a 35 W TDP and 16 MB of shared L3 cache. This end-of-life part, launched in March 2021, sits in a crowded performance tier where its average benchmark score of 4706 places it at the 62nd percentile of all CPUs, indicating a solid but not dominant position in the broader market.

Benchmark Performance

The benchmark data presents a processor that delivers consistent, mid-range performance across both synthetic and real-world workloads. In Cinebench R23, the i9-11900T scores 15691 points in multi-core and 2215 points in single-core tests. The multi-core score reflects the capability of its 8 cores and 16 threads, while the single-core result of 2215 is notably strong, benefiting from the 4.90 GHz boost clock. These figures suggest a chip that can handle demanding multi-threaded tasks without sacrificing responsiveness in lightly-threaded applications.

Geekbench results reinforce this profile, with a multi-core score of 8257 and a single-core score of 2157. The multi-core Geekbench score is particularly telling, as it shows the processor scaling well across its physical and logical cores. In older Cinebench versions, the i9-11900T achieves 6590 points in R20 multi-core and 930 points in R20 single-core, while R15 results show 1581 multi-core and 223 single-core. The consistency across these different Cinebench iterations indicates stable performance scaling as the workload intensity increases, with no unexpected drop-offs in the newer, more demanding test versions.

The average benchmark score of 4706 places this processor in a narrow competitive band. Its nearest rival, the Intel Core i7-12700TE, scores 4694, a difference of only 0.2%. This near-parity means that in most real-world applications, the two processors would be indistinguishable in performance. The Intel Xeon W-1290E trails by 0.4% with a score of 4686, while the Intel Core i9-9900KS and Intel Core i9-10900F are 0.7% behind at 4674 and 4672, respectively. These sub-1% deltas are within typical run-to-run variance for most benchmark suites, suggesting that the i9-11900T is functionally equivalent to its closest competitors in aggregate performance.

How It Compares

Against the Intel Core i7-12700TE, the i9-11900T holds a marginal 0.2% advantage in average score. This is a remarkably tight race, and the data indicates that neither processor has a meaningful edge in overall throughput. Users moving between these two parts would likely see no measurable difference in day-to-day tasks or even heavily threaded workloads.

The Intel Xeon W-1290E presents a similar story, with the i9-11900T leading by 0.4%. The Xeon part, aimed at workstation use, offers no performance advantage in the benchmark results, despite its professional positioning. The i9-11900T’s higher single-core boost clock appears to compensate for any architectural differences, keeping it ahead in the composite score.

Versus the Intel Core i9-9900KS, the i9-11900T is 0.7% faster. This older flagship, known for its high clock speeds, is essentially matched by the newer Rocket Lake design. The 14 nm process node is shared across generations, but the architectural refinements in the 11th Gen part yield a slight edge, even though the 9900KS was a special edition aimed at maximum performance.

The comparison with the Intel Core i9-10900F is equally close, with a 0.7% lead for the 11900T. The 10900F offers two additional cores (10 cores versus 8), yet the benchmark data shows that the 11900T’s higher boost clock and newer architecture offset that core deficit. In multi-threaded scenarios, the 10900F might have a theoretical advantage, but the aggregate score favors the 11900T slightly, indicating that single-thread performance is a significant factor in the overall average.

Single-Thread vs Multi-Thread Behavior

The performance split between single-thread and multi-thread workloads is a defining characteristic of the i9-11900T. In Cinebench R23, the single-core score of 2215 represents a strong result for a 35 W part, driven by the 4.90 GHz boost clock. This is a high frequency for a low-TDP processor, and it directly benefits applications that rely on a single thread, such as older games or lightly threaded productivity tools.

The multi-core score of 15691 in R23 is exactly 7.08 times the single-core score (15691 / 2215), which is a reasonable scaling factor for 8 physical cores with Hyper-Threading. Ideal scaling for 16 threads would approach 16x, but real-world thermal and power constraints, especially at a 35 W TDP, limit the sustained frequency across all cores. The result indicates that the processor can utilize its multi-threaded capabilities effectively, but it will not match the multi-core performance of higher-TDP parts with more aggressive boost algorithms.

This behavior translates into a workload profile where the i9-11900T excels in single-threaded tasks, such as web browsing, office applications, and gaming, while still providing competent multi-threaded throughput for content creation and compilation. The Geekbench single-core score of 2157 reinforces this strength, while the multi-core score of 8257 shows that the processor does not fall behind significantly in parallel workloads. The data suggests that the i9-11900T is a balanced part, but its single-thread performance is the more notable asset relative to its competition.

Who Should Consider It

For gaming workloads, the i9-11900T is a compelling choice, primarily due to its single-core performance. The Cinebench R23 single-core score of 2215 and Geekbench single-core score of 2157 indicate that the processor can drive high frame rates in games that are not heavily multi-threaded. The 35 W TDP also means it can be paired with a compact cooling solution, making it suitable for small form factor gaming builds where thermal management is a priority.

Content creation tasks that leverage multi-threading, such as video editing or 3D rendering, will see solid performance from the 8-core, 16-thread configuration. The Cinebench R23 multi-core score of 15691 is respectable, and while it lags behind higher-TDP desktop parts with more cores, it is sufficient for hobbyist or semi-professional workloads. The Geekbench multi-core score of 8257 further confirms that the processor can handle parallel tasks without becoming a bottleneck in most creative suites.

Office and productivity users will find the i9-11900T more than adequate. The strong single-thread performance ensures snappy application launches and smooth multitasking in typical office software, while the multi-threaded capabilities provide headroom for background tasks like antivirus scans or data indexing. The 16 MB of L3 cache and dual-channel DDR4 memory support with 51.2 GB/s bandwidth ensure that memory-intensive workloads are not starved for data.

The processor’s 62nd percentile ranking among all CPUs indicates that it is a better-than-average performer, but not a top-tier part. Users who require the absolute highest multi-core throughput should look toward higher-TDP parts, while those who prioritize single-thread speed and efficient power consumption will find the i9-11900T well-suited to their needs.

Power and Thermals

The 35 W TDP class is the defining feature of the i9-11900T, distinguishing it from typical desktop processors that operate at 65 W or higher. This low thermal design power means that the processor can be cooled by a capable air cooler, even in a compact chassis. The data does not specify cooler requirements, but the 35 W envelope implies that stock coolers or low-profile coolers are sufficient for most use cases.

The 14 nm process node and 276 mm² die size are relatively large for the power envelope, but the 1500.00 MHz base clock is set low to keep power consumption in check. The 4.90 GHz boost clock, however, can draw significantly more power when active, but the 35 W TDP suggests that sustained boost periods are limited by thermal and power constraints. Users should expect that all-core workloads will not sustain the maximum boost clock indefinitely, as the processor manages its power budget to stay within the TDP window.

The integrated UHD Graphics 750 adds to the thermal load, but for users who pair the processor with a discrete GPU, the iGPU can be disabled to reduce power draw. The PCIe Gen 4 support with 20 CPU lanes provides fast connectivity for storage and graphics, which is a modern feature for a processor in this power class. The memory bandwidth of 51.2 GB/s over dual-channel DDR4 is adequate for the performance level, and the lack of ECC memory support positions this as a consumer-focused part rather than a workstation component.

The end-of-life production status means that this processor is no longer in active manufacturing, but the benchmark data shows it remains competitive with newer parts in the same performance tier. The launch MSRP of $439 reflects its original positioning as a high-end, low-power desktop processor, though current availability and pricing are outside the scope of this analysis. For builders seeking a low-power processor with strong single-thread performance, the i9-11900T remains a viable option based on the benchmark results.