Intel Core i9-9820X: specs and benchmarks

Intel Core i9-9820X


Intel started Intel Core i9-9820X sales 19 October 2018 at a recommended price of $898. This is Skylake architecture desktop processor primarily aimed at office systems. It has 10 cores and 20 threads, and is based on 14 nm manufacturing technology, with a maximum frequency of 4200 MHz and an unlocked multiplier.

Compatibility-wise, this is FCLGA2066 processor with a TDP of 165 Watt and a maximum temperature of 72 °C. It supports DDR4-2666 memory.

It provides poor benchmark performance at 23.13 percent of a leader's which is AMD Ryzen Threadripper PRO 3995WX.

General info

Of Core i9-9820X processor market type (desktop or notebook), architecture and sales start time and price.

Place in performance rating
Value for money (0-100)
Market segment
Intel Core i9
Architecture codename
Release date
19 October 2018
Launch price (MSRP)
Price now

Technical specs

Core i9-9820X's quantitative parameters such as cores and threads number, clocks, manufacturing process, cache size and multiplier lock state. These parameters indirectly say of Core i9-9820X's performance, but to be more precise you have to review its test results.

Number of cores
Number of threads
Base frequency
3.3 GHz
of 4.7 (FX-9590)
Maximum frequency
4.2 GHz
Bus support
4 × 8 GT/s
L1 cache
64K (per core)
of 896 (Atom C3950)
L2 cache
1 MB (per core)
L3 cache
16.5 MB (shared)
Manufacturing process technology
14 nm
of 5 (Apple M1)
Maximum core temperature
92 °C
of 110 (Atom x7-E3950)
Maximum case temperature (TCase)
72 °C
of 105 (Core i7-5557U)
64 bit support


Information on Core i9-9820X compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one.

Max number of CPUs in a configuration
Power consumption (TDP)
165 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-9820X. You'll probably need this information if you require some particular technology.

Instruction set extensions
Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
Enhanced SpeedStep (EIST)
Turbo Boost
Turbo Boost Max 3.0

Security technologies

Core i9-9820X technologies aimed at raising security, for example, by protecting against hacks.


Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-9820X are enumerated here.


Memory specs

Types, maximum amount and channel number of RAM supported by Core i9-9820X.

Supported memory types
of 4266 (Ryzen 9 4900H)
Maximum memory size
128 GB
Max memory channels
Maximum memory bandwidth
85.33 GB/s

Graphics specifications

General parameters of GPU integrated into Core i9-9820X.

Integrated graphics


Specifications and connection of Core i9-9820X's supported peripherals.

PCIe revision
Max number of PCIe lanes
of 128 (EPYC 7551P)

Benchmark performance

Non-gaming benchmarks performance of Core i9-9820X. Overall benchmark performance is measured in points in 0-100 range.

Overall benchmark performance




Game benchmarks

Let's see how good Core i9-9820X is for gaming compared with game system requirements. Remember that sometimes official requirements may reflect real performance inaccurately.

AMD equivalent

We believe that the nearest equivalent to Core i9-9820X from AMD is Ryzen 7 PRO 4750GE, which is slower by 1% and lower by 1 position in our rating.

User rating

Here are CPU ratings given by our user. You can rate both processors yourself.

Advices and comments

Here you can ask a question about Core i9-9820X, agree or disagree with our judgements, or report an error or mismatch.