i7-10700K vs i9-9820X

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Aggregate performance score

Core i9-9820X
2018
10 cores / 20 threads, 165 Watt
12.74
+8%
Core i7-10700K
2020
8 cores / 16 threads, 125 Watt
11.80

Core i9-9820X outperforms Core i7-10700K by a small 8% based on our aggregate benchmark results.

Primary details

Comparing Core i9-9820X and Core i7-10700K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking606662
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation5.0014.73
Market segmentDesktop processorDesktop processor
SeriesIntel Core i9no data
Power efficiency7.308.93
Architecture codenameSkylake (server) (2017−2018)Comet Lake (2020)
Release date19 October 2018 (6 years ago)30 April 2020 (4 years ago)
Launch price (MSRP)$898$400

Cost-effectiveness evaluation

Performance per price, higher is better.

i7-10700K has 195% better value for money than i9-9820X.

Detailed specifications

Core i9-9820X and Core i7-10700K 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)8 (Octa-Core)
Threads2016
Base clock speed3.3 GHz3.8 GHz
Boost clock speed4.2 GHz5.1 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/s8 GT/s
Multiplier33no data
L1 cache64 KB (per core)64K (per core)
L2 cache1 MB (per core)256K (per core)
L3 cache16.5 MB (shared)16 MB (shared)
Chip lithography14 nm14 nm
Maximum core temperature92 °C100 °C
Maximum case temperature (TCase)72 °C72 °C
64 bit support++
Windows 11 compatibility++
Unlocked multiplier++

Compatibility

Information on Core i9-9820X and Core i7-10700K 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 configuration1 (Uniprocessor)1
SocketFCLGA2066FCLGA1200
Power consumption (TDP)165 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-9820X and Core i7-10700K. 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
AES-NI++
FMA-+
AVX++
vProno data+
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
TSX+-
Idle Statesno data+
Thermal Monitoring-+
SIPP-+
Turbo Boost Max 3.0++

Security technologies

Core i9-9820X and Core i7-10700K technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDB++
Secure Keyno data+
Identity Protection-+
SGXno dataYes with Intel® ME
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-9820X and Core i7-10700K are enumerated here.

VT-d++
VT-x++
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-9820X and Core i7-10700K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2666DDR4
Maximum memory size128 GB128 GB
Max memory channels42
Maximum memory bandwidth85.33 GB/s45.8 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/AIntel UHD Graphics 630
Max video memoryno data64 GB
Quick Sync Video-+
Clear Videono data+
Clear Video HDno data+
Graphics max frequencyno data1.2 GHz
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of Core i9-9820X and Core i7-10700K integrated GPUs.

Number of displays supportedno data3

Graphics image quality

Maximum display resolutions supported by Core i9-9820X and Core i7-10700K integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.4no data4096 x 2160@30Hz
Max resolution over eDPno data4096 x 2304@60Hz
Max resolution over DisplayPortno data4096 x 2304@60Hz

Graphics API support

APIs supported by Core i9-9820X and Core i7-10700K integrated GPUs, sometimes API versions are included.

DirectXno data12
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by Core i9-9820X and Core i7-10700K.

PCIe version3.03.0
PCI Express lanes4416

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.

i9-9820X 12.74
+8%
i7-10700K 11.80

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.

i9-9820X 20234
+8%
i7-10700K 18743

Gaming performance

Pros & cons summary


Performance score 12.74 11.80
Recency 19 October 2018 30 April 2020
Physical cores 10 8
Threads 20 16
Power consumption (TDP) 165 Watt 125 Watt

i9-9820X has a 8% higher aggregate performance score, and 25% more physical cores and 25% more threads.

i7-10700K, on the other hand, has an age advantage of 1 year, and 32% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between Core i9-9820X and Core i7-10700K.


Should you still have questions on choice between Core i9-9820X and Core i7-10700K, ask them in Comments section, and we shall answer.

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Intel Core i9-9820X
Core i9-9820X
Intel Core i7-10700K
Core i7-10700K

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Community ratings

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Questions & comments

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