i7-10700KF vs i7-7820X

VS

Aggregate performance score

Core i7-7820X
2017
8 cores / 16 threads, 140 Watt
10.80
Core i7-10700KF
2020
8 cores / 16 threads, 125 Watt
11.66
+8%

Core i7-10700KF outperforms Core i7-7820X by a small 8% based on our aggregate benchmark results.

Primary details

Comparing Core i7-7820X and Core i7-10700KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking724669
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation3.45no data
Market segmentDesktop processorDesktop processor
SeriesIntel Core i7no data
Power efficiency7.308.82
Architecture codenameSkylake (server) (2017−2018)Comet Lake (2020)
Release date26 June 2017 (7 years ago)30 April 2020 (4 years ago)
Launch price (MSRP)$599no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i7-7820X and Core i7-10700KF 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 cores8 (Octa-Core)8 (Octa-Core)
Threads1616
Base clock speed3.6 GHz3.8 GHz
Boost clock speed4.5 GHz5.1 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/s8 GT/s
Multiplier36no data
L1 cache64 KB (per core)64K (per core)
L2 cache1 MB (per core)256K (per core)
L3 cache11 MB (shared)16 MB (shared)
Chip lithography14 nm14 nm
Maximum core temperature99 °C100 °C
Maximum case temperature (TCase)72 °C72 °C
64 bit support++
Windows 11 compatibility++
Unlocked multiplier++

Compatibility

Information on Core i7-7820X and Core i7-10700KF 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)140 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-7820X and Core i7-10700KF. 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++
AVX++
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
TSX+-
Idle Statesno data+
Thermal Monitoring-+
Turbo Boost Max 3.0++

Security technologies

Core i7-7820X and Core i7-10700KF 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 i7-7820X and Core i7-10700KF are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-7820X and Core i7-10700KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2666DDR4-2933
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/Ano data

Peripherals

Specifications and connection of peripherals supported by Core i7-7820X and Core i7-10700KF.

PCIe version3.03.0
PCI Express lanes2816

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.

i7-7820X 10.80
i7-10700KF 11.66
+8%

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.

i7-7820X 17163
i7-10700KF 18529
+8%

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.

i7-7820X 1426
i7-10700KF 1728
+21.2%

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.

i7-7820X 7862
i7-10700KF 8221
+4.6%

Gaming performance

Pros & cons summary


Performance score 10.80 11.66
Recency 26 June 2017 30 April 2020
Power consumption (TDP) 140 Watt 125 Watt

i7-10700KF has a 8% higher aggregate performance score, an age advantage of 2 years, and 12% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between Core i7-7820X and Core i7-10700KF.


Should you still have questions on choice between Core i7-7820X and Core i7-10700KF, ask them in Comments section, and we shall answer.

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Intel Core i7-7820X
Core i7-7820X
Intel Core i7-10700KF
Core i7-10700KF

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Community ratings

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Questions & comments

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