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Intel Core i9-9940X vs Intel Core i9-9900X

Intel Core i9-9940X

The Intel Core i9-9940X operates with 14 cores and 28 CPU threads. It run at 4.50 GHz base 4.20 GHz all cores while the TDP is set at 165 W.The processor is attached to the LGA 2066 CPU socket. This version includes 19.00 MB of L3 cache on one chip, supports 4 memory channels to support DDR4-2666 RAM and features 3.0 PCIe Gen 44 lanes. Tjunction keeps below 92 °C degrees C. In particular, Skylake X Refresh Architecture is enhanced with 14 nm technology and supports VT-x, VT-x EPT, VT-d. The product was launched on Q4/2018

Intel Core i9-9940X

The Intel Core i9-9900X operates with 10 cores and 28 CPU threads. It run at 4.50 GHz base 4.30 GHz all cores while the TDP is set at 165 W.The processor is attached to the LGA 2066 CPU socket. This version includes 19.00 MB of L3 cache on one chip, supports 4 memory channels to support DDR4-2666 RAM and features 3.0 PCIe Gen 44 lanes. Tjunction keeps below 92 °C degrees C. In particular, Skylake X Refresh Architecture is enhanced with 14 nm technology and supports VT-x, VT-x EPT, VT-d. The product was launched on Q4/2018


Compare Detail

3.30 GHz Frequency 3.50 GHz
14 Cores 10
4.50 GHz Turbo (1 Core) 4.50 GHz
4.20 GHz Turbo (All Cores) 4.30 GHz
check Yes Hyperthreading Yes check
check Yes Overclocking Yes check
normal Core Architecture normal
no iGPU GPU no iGPU
No turbo GPU (Turbo) No turbo
14 nm Technology 14 nm
No turbo GPU (Turbo) No turbo
DirectX Version
Max. displays
DDR4-2666 Memory DDR4-2666
4 Memory channels 4
Max memory
uncheck No ECC No uncheck
-- L2 Cache --
19.00 MB L3 Cache 19.00 MB
3.0 PCIe version 3.0
44 PCIe lanes 44
14 nm Technology 14 nm
LGA 2066 Socket LGA 2066
165 W TDP 165 W
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
Q4/2018 Release date Q4/2018

Cinebench R20 (Single-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.

52% Complete
52% Complete

Cinebench R20 (Multi-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.

Intel Core i9-9940X 5,916 (23%)
23% Complete
Intel Core i9-9900X 4,858 (19%)
19% Complete

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.

60% Complete
60% Complete

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.

Intel Core i9-9940X 2,591 (25%)
25% Complete
Intel Core i9-9900X 2,118 (20%)
20% Complete

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.

Intel Core i9-9940X 1,171 (52%)
52% Complete
Intel Core i9-9900X 1,147 (51%)
51% Complete

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.

Intel Core i9-9940X 13,950 (28%)
28% Complete
Intel Core i9-9900X 10,494 (21%)
21% Complete

Blender 2.81 (bmw27)

Blender is a free 3D graphics software for rendering (creating) 3D bodies, which can also be textured and animated in the software. The Blender benchmark creates predefined scenes and measures the time (s) required for the entire scene. The shorter the time required, the better. We selected bmw27 as the benchmark scene.

0% Complete
Intel Core i9-9900X 169.71 (8%)
8% Complete

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-Comparison. However the majority of CPUs have not been tested and the results have been estimated by a CPU-Comparison’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.

Intel Core i9-9940X 27,021 (25%)
25% Complete
Intel Core i9-9900X 23,004 (21%)
21% Complete
Electric Usage Estimate

Electric Usage Estimate

Electric Usage Estimate

Electric Usage Estimate

Intel Core i9-9940X Intel Core i9-9900X
165 W Max TDP 165 W
NA Power consumption per day (kWh) NA
NA Running cost per day NA
NA Power consumption per year (kWh) NA
NA Running cost per year NA

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