Intel Core i9-10940X

The Intel Core i9-10940X sits in a crowded performance tier where its 14-core, 28-thread Cascade Lake-X configuration lands it at the 66th percentile of all CPUs in the database. Its average benchmark score of 6625 places it in a narrow statistical dead heat with several very different modern and legacy processors. The data shows a part that is neither a clear victor nor a laggard, but rather a high-core-count desktop chip whose performance is defined by its consistency across synthetic workloads.

Benchmark Performance

The i9-10940X delivers its strongest absolute results in multi-threaded rendering tests. In Cinebench R23, the chip scores 23612 points in the multi-core test, a figure that demonstrates substantial parallel throughput for a 14-core part. Its Cinebench R20 multi-core score of 9917 and Cinebench R15 multi-core score of 2380 follow the same pattern, indicating that the processor scales well with thread count in heavily parallel workloads. The Geekbench multi-core score of 10464 reinforces this picture, showing competitive performance in a mixed integer and floating-point test.

Single-thread performance tells a more modest story. The Cinebench R23 single-core score of 3333 and Geekbench single-core score of 1556 are respectable but not class-leading. The R20 single-core score of 1399 and R15 single-core score of 335 show that the architecture’s per-core efficiency is adequate, yet the processor clearly relies on its core count rather than raw single-core speed to achieve its overall standing.

Relative to its nearest rivals, the i9-10940X is effectively tied. Against the Intel Xeon E5-2699A v4, the delta is exactly 0%, meaning the average benchmark scores of the two processors are identical. The Core i7-12800HE is only 0.2% behind, while the Core i9-7960X and Core i5-13400E are both 0.2% ahead. These margins are within noise, so the benchmark data shows that the i9-10940X, an older-generation desktop HEDT chip, performs at the same level as a modern mobile processor and a current mainstream desktop chip.

Who Should Consider It

The benchmark results indicate that this processor is best suited for workloads that can utilize all 14 cores and 28 threads simultaneously. Video editing, 3D rendering, software compilation, and other content-creation tasks that scale with core count will benefit most from the multi-core scores demonstrated in Cinebench R23 and Geekbench multi-core tests. The R23 multi-core score of 23612 suggests that the chip can handle serious rendering jobs without becoming a bottleneck.

For gamers, the single-core scores are more relevant, and they are merely adequate. The Cinebench R23 single-core score of 3333 and Geekbench single-core score of 1556 indicate that the processor will not hold back frame rates in most titles, but it offers no advantage over newer architectures. Users who prioritize high-refresh-rate gaming where single-core performance is critical would likely find the chip’s per-core speed insufficient for the very highest demands.

Office productivity and general desktop tasks fall comfortably within the processor’s capabilities, but they do not require the full thread count. The data suggests that the i9-10940X is overkill for typical office workloads, yet its performance there is unquestionably smooth given its strong multi-core headroom. The chip makes more sense for a professional workstation than for a general-purpose home PC.

Power and Thermals

The i9-10940X carries a TDP of 165 watts, which classifies it as a high-power desktop processor. This TDP figure places it firmly in the territory where a capable air cooler or a substantial liquid cooling solution is required. The 14-core design on Intel’s 14 nm process node means that heat density is significant, and sustained all-core loads will generate considerable thermal output.

Benchmark results indicate that the processor can sustain high multi-core performance, but this comes with the expectation of robust cooling. The 165-watt TDP is a baseline; actual power draw during heavy all-core workloads like the Cinebench R23 multi-core test may exceed this figure under boost conditions. Users should plan for a cooling solution that can handle the thermal load of a 165-watt processor operating at a 4.80 GHz boost clock. The unlocked multiplier also means that overclocking is possible, which would further increase cooling requirements.

How It Compares

vs. Intel Xeon E5-2699A v4: The benchmark scores for these two processors are identical, with a delta of 0%. The i9-10940X matches a Xeon server part in average performance, but the Xeon is a different product class. The desktop chip offers 14 cores and 28 threads, while the Xeon serves a different platform, yet their synthetic average scores are indistinguishable.

vs. Intel Core i7-12800HE: The mobile Core i7 is 0.2% behind, a negligible margin. This comparison highlights how far mobile architectures have come; a laptop-class processor nearly matches a desktop HEDT chip from an older generation. The i7-12800HE achieves this with likely lower power consumption, but the i9-10940X holds a slight edge in the data.

vs. Intel Core i9-7960X: The older i9-7960X is 0.2% ahead. This is a near tie between two generations of Intel’s X-Series. The i9-10940X essentially replicates the performance of its predecessor, offering no meaningful generational gain in average benchmark terms. Users upgrading from the i9-7960X would see little performance change.

vs. Intel Core i5-13400E: The mainstream Core i5 is 0.2% ahead. This is the most striking comparison, as a lower-tier current-generation processor matches the i9-10940X’s average score. The i5-13400E likely achieves this with fewer cores and lower power draw, underscoring that the i9-10940X’s high core count does not translate to a clear performance advantage over modern mainstream designs.

FAQ

Q: What is the multi-core performance of the Intel Core i9-10940X?

A: The processor scores 23612 in Cinebench R23 multi-core, 9917 in Cinebench R20 multi-core, and 2380 in Cinebench R15 multi-core. Its Geekbench multi-core score is 10464.

Q: How does the single-core performance compare to modern processors?

A: The Cinebench R23 single-core score is 3333, and the Geekbench single-core score is 1556. These scores are modest relative to newer architectures but sufficient for most standard tasks.

Q: Is the i9-10940X good for gaming?

A: Gaming performance depends on single-core speed. With a Geekbench single-core score of 1556, the chip provides acceptable gaming performance, but it does not excel in scenarios that heavily favor per-core speed.

Q: What is the TDP of this processor?

A: The TDP is 165 watts, which necessitates a robust cooling solution, especially under sustained all-core workloads.

Q: How does it compare to the Intel Xeon E5-2699A v4?

A: The average benchmark scores are identical, with a delta of 0%. The i9-10940X matches the Xeon’s overall synthetic performance.

Q: What memory configuration does it support?

A: The processor supports DDR4 memory in a quad-channel configuration. ECC memory is not supported.

Platform and Compatibility

The Intel Core i9-10940X uses the Intel Socket 2066 platform, which is the HEDT (High-End Desktop) socket for Cascade Lake-X processors. The architecture is Cascade Lake, built on Intel’s 14 nm process node. The chip supports DDR4 memory in a quad-channel configuration, which provides higher memory bandwidth than dual-channel mainstream platforms. ECC memory is not supported, which limits its appeal for certain workstation scenarios that require error-correcting memory.

PCIe support is Gen 3, which is an older standard compared to the PCIe Gen 4 and Gen 5 found on newer platforms. This means that users are limited to PCIe Gen 3 bandwidth for graphics cards and NVMe storage. The socket 2066 platform offers a distinct upgrade path within the same socket, but the i9-10940X is a 10th Gen part, and newer generations have moved to different sockets. The unlocked multiplier allows for overclocking, and the processor is listed as production status "Active," meaning it is still in production.

Single-Thread vs Multi-Thread Behavior

The i9-10940X demonstrates a clear split between its multi-thread and single-thread capabilities. The multi-core scores are strong across all Cinebench versions, with the R23 score of 23612 being particularly notable. This indicates that the processor’s 14 cores and 28 threads are well-utilized in parallel workloads, and the chip can sustain high throughput when all threads are active.

In single-thread tests, the scores are comparatively lower. The Cinebench R23 single-core score of 3333 is less than one-seventh of the multi-core score, which is expected for a 14-core part, but the absolute single-core numbers are not impressive by modern standards. The boost clock of 4.80 GHz helps, but the 14 nm process and older Cascade Lake architecture limit per-core efficiency.

This split has practical implications. For workloads that use a few threads—such as legacy software, certain games, or lightly threaded applications—the processor performs adequately but not exceptionally. For workloads that scale across many threads, the i9-10940X is a capable performer. The average benchmark score of 6625 reflects this balance, placing the chip at the 66th percentile. Users should match their workload to the processor’s strength in multi-threaded tasks to get the most out of the hardware.