Intel Core i9-10920X vs Core i9-7940X

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Combined performance score

i9-7940X
16.90

Core i9-10920X outperforms Core i9-7940X by 1% in our combined benchmark results.

General info

Comparing Core i9-7940X and Core i9-10920X processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking329322
Place by popularitynot in top-100not in top-100
Value for money3.7214.83
Market segmentDesktop processorDesktop processor
SeriesIntel Core i9no data
Architecture codenameSkylake (server) (2017−2019)Cascade Lake-X (2019)
Release date1 September 2017 (6 years old)19 October 2019 (4 years old)
Launch price (MSRP)$1,399no data
Current price$1899 (1.4x MSRP)$780
Value for money

Performance per price, higher is better.

i9-10920X has 299% better value for money than i9-7940X.

Technical specs

Core i9-7940X and Core i9-10920X basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores14 (Tetradeca-Core)12 (Dodeca-Core)
Threads2824
Base clock speed3.1 GHz3.5 GHz
Boost clock speed4.4 GHz4.8 GHz
Bus support4 × 8 GT/sno data
L1 cache64 KB (per core)64K (per core)
L2 cache1 MB (per core)1 MB (per core)
L3 cache19.25 MB (shared)19.25 MB (shared)
Chip lithography14 nm14 nm
Die size484 mm2no data
Maximum core temperature102 °C94 °C
64 bit support++
Windows 11 compatibility++
Unlocked multiplierYesYes

Compatibility

Information on Core i9-7940X and Core i9-10920X compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration11
SocketFCLGA2066FCLGA2066
Power consumption (TDP)165 Watt165 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-7940X and Core i9-10920X. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI++
AVX++
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
TSX++
Turbo Boost Max 3.0++
StatusDiscontinuedLaunched

Security technologies

Core i9-7940X and Core i9-10920X technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDB++

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-7940X and Core i9-10920X are enumerated here.

VT-d++
VT-x++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-7940X and Core i9-10920X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2666DDR4-2933
Maximum memory size128 GB256 GB
Max memory channels44
Maximum memory bandwidth85 GB/s94 GB/s
ECC memory support--

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/Ano data

Peripherals

Specifications and connection of peripherals supported by Core i9-7940X and Core i9-10920X.

PCIe version3.03.0
PCI Express lanes4448

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

i9-7940X 16.90
i9-10920X 17.12
+1.3%

Core i9-10920X outperforms Core i9-7940X by 1% in our combined benchmark results.


Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Benchmark coverage: 68%

i9-7940X 25964
i9-10920X 26298
+1.3%

Core i9-10920X outperforms Core i9-7940X by 1% in Passmark.

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Benchmark coverage: 42%

i9-7940X 1370
i9-10920X 1674
+22.2%

Core i9-10920X outperforms Core i9-7940X by 22% in GeekBench 5 Single-Core.

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Benchmark coverage: 42%

i9-7940X 9919
i9-10920X 11345
+14.4%

Core i9-10920X outperforms Core i9-7940X by 14% in GeekBench 5 Multi-Core.

Gaming performance

Advantages and disadvantages


Performance score 16.90 17.12
Recency 1 September 2017 19 October 2019
Physical cores 14 12
Threads 28 24

We couldn't decide between Core i9-7940X and Core i9-10920X. The differences in performance seem too small.


Should you still have questions on choice between Core i9-7940X and Core i9-10920X, ask them in Comments section, and we shall answer.

User ratings

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Core i9-7940X
Core i9-7940X
Intel Core i9-10920X
Core i9-10920X

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Questions and comments

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