Core i5 vs Core i9-9900X

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Aggregate performance score

Core i9-9900X
2018
10 cores / 20 threads, 165 Watt
14.10
+550%

Core i9-9900X outperforms Core i5 by a whopping 550% based on our aggregate benchmark results.

Primary details

Comparing Core i9-9900X and Core i5 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking4841772
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation14.956.78
Market segmentDesktop processorDesktop processor
SeriesIntel Core i9no data
Architecture codenameSkylake (server) (2017−2019)no data
Release date19 October 2018 (5 years ago)1 October 2023 (less than a year ago)
Launch price (MSRP)$989no data
Current price$446 (0.5x MSRP)$194

Cost-effectiveness evaluation

Performance per price, higher is better.

i9-9900X has 121% better value for money than Core i5.

Detailed specifications

Core i9-9900X and Core i5 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 cores10 (Deca-Core)no data
Threads20no data
Base clock speed3.5 GHzno data
Boost clock speed4.5 GHzno data
Bus support4 × 8 GT/sno data
L1 cache64 KB (per core)no data
L2 cache1 MB (per core)no data
L3 cache19.25 MB (shared)no data
Chip lithography14 nmno data
Maximum core temperature92 °Cno data
Maximum case temperature (TCase)72 °Cno data
64 bit support+-
Windows 11 compatibility+no data
Unlocked multiplierYesNo

Compatibility

Information on Core i9-9900X and Core i5 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 configuration1no data
SocketFCLGA2066no data
Power consumption (TDP)165 Wattno data

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-9900X and Core i5. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512no data
AES-NI+no data
AVX+no data
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
TSX+no data
Turbo Boost Max 3.0+no data
StatusDiscontinuedno data

Security technologies

Core i9-9900X and Core i5 technologies aimed at improving security, for example, by protecting against hacks.

EDB+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-9900X and Core i5 are enumerated here.

VT-d+no data
VT-x+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-9900X and Core i5. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2666no data
Maximum memory size128 GBno data
Max memory channels4no data
Maximum memory bandwidth85 GB/sno data
ECC memory support-no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/Ano data

Peripherals

Specifications and connection of peripherals supported by Core i9-9900X and Core i5.

PCIe version3.0no data
PCI Express lanes44no data

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.

i9-9900X 14.10
+550%
Core i5 2.17

Core i9-9900X outperforms Core i5 by 550% based on our aggregate 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%

i9-9900X 21803
+739%
Core i5 2598

Core i9-9900X outperforms Core i5 by 739% in Passmark.

Gaming performance

Pros & cons summary


Performance score 14.10 2.17
Recency 19 October 2018 1 October 2023

The Core i9-9900X is our recommended choice as it beats the Core i5 in performance tests.


Should you still have questions on choice between Core i9-9900X and Core i5, ask them in Comments section, and we shall answer.

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Intel Core i9-9900X
Core i9-9900X
Intel Core i5
Core i5

Similar processor comparisons

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Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


3 88 votes

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3.5 34 votes

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Questions & comments

Here you can ask a question about Core i9-9900X or Core i5, agree or disagree with our judgements, or report an error or mismatch.