i7-10700KF vs i7-5820K

VS

Aggregate performance score

Core i7-5820K
2014
6 cores / 12 threads, 140 Watt
6.20
Core i7-10700KF
2020
8 cores / 16 threads, 125 Watt
11.67
+88.2%

Core i7-10700KF outperforms Core i7-5820K by an impressive 88% based on our aggregate benchmark results.

Primary details

Comparing Core i7-5820K and Core i7-10700KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1087670
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation1.19no data
Market segmentDesktop processorDesktop processor
Power efficiency4.198.84
Architecture codenameHaswell-E (2014)Comet Lake (2020)
Release date1 September 2014 (10 years ago)30 April 2020 (4 years ago)
Launch price (MSRP)$410no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i7-5820K 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 cores6 (Hexa-Core)8 (Octa-Core)
Threads1216
Base clock speed3.3 GHz3.8 GHz
Boost clock speed3.6 GHz5.1 GHz
Bus rate0 GT/s8 GT/s
L1 cache64 KB (per core)64K (per core)
L2 cache256 KB (per core)256K (per core)
L3 cache15 MB (shared)16 MB (shared)
Chip lithography22 nm14 nm
Die size356 mm2no data
Maximum core temperature67 °C100 °C
Maximum case temperature (TCase)no data72 °C
Number of transistors2,600 millionno data
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier++

Compatibility

Information on Core i7-5820K 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 configuration11
SocketFCLGA2011FCLGA1200
Power consumption (TDP)140 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-5820K and Core i7-10700KF. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.2, Intel® AVX2Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
AVX++
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
TSX+-
Idle States++
Thermal Monitoring++
Smart Response+no data
Demand Based Switching-no data
Turbo Boost Max 3.0no data+

Security technologies

Core i7-5820K and Core i7-10700KF technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-5820K and Core i7-10700KF are enumerated here.

VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-5820K and Core i7-10700KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4-2933
Maximum memory size64 GB128 GB
Max memory channels42
Maximum memory bandwidth68 GB/s45.8 GB/s

Peripherals

Specifications and connection of peripherals supported by Core i7-5820K 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.

i7-5820K 6.20
i7-10700KF 11.67
+88.2%

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.

i7-5820K 9841
i7-10700KF 18531
+88.3%

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.

i7-5820K 1171
i7-10700KF 1728
+47.6%

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.

i7-5820K 5454
i7-10700KF 8219
+50.7%

Gaming performance

Pros & cons summary


Performance score 6.20 11.67
Recency 1 September 2014 30 April 2020
Physical cores 6 8
Threads 12 16
Chip lithography 22 nm 14 nm
Power consumption (TDP) 140 Watt 125 Watt

i7-10700KF has a 88.2% higher aggregate performance score, an age advantage of 5 years, 33.3% more physical cores and 33.3% more threads, a 57.1% more advanced lithography process, and 12% lower power consumption.

The Core i7-10700KF is our recommended choice as it beats the Core i7-5820K in performance tests.


Should you still have questions on choice between Core i7-5820K and Core i7-10700KF, ask them in Comments section, and we shall answer.

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Intel Core i7-5820K
Core i7-5820K
Intel Core i7-10700KF
Core i7-10700KF

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Community ratings

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