i5-12400F vs i7-6800K

VS

Aggregate performance score

Core i7-6800K
2016
6 cores / 12 threads, 140 Watt
6.78
Core i5-12400F
2022
6 cores / 12 threads, 65 Watt
12.29
+81.3%

Core i5-12400F outperforms Core i7-6800K by an impressive 81% based on our aggregate benchmark results.

Primary details

Comparing Core i7-6800K and Core i5-12400F processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1022620
Place by popularitynot in top-1004
Cost-effectiveness evaluation1.5443.61
Market segmentDesktop processorDesktop processor
Power efficiency4.5817.89
Architecture codenameBroadwell-E (2016)Alder Lake-S (2022)
Release date31 May 2016 (8 years ago)4 January 2022 (2 years ago)
Launch price (MSRP)$345$180

Cost-effectiveness evaluation

Performance per price, higher is better.

i5-12400F has 2732% better value for money than i7-6800K.

Detailed specifications

Core i7-6800K and Core i5-12400F 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)6 (Hexa-Core)
Threads1212
Base clock speed3.4 GHz2.5 GHz
Boost clock speed3.8 GHz4.4 GHz
L1 cache32 KB (per core)80K (per core)
L2 cache256 KB (per core)1.25 MB (per core)
L3 cache15 MB (shared)18 MB (shared)
Chip lithography14 nmIntel 7 nm
Die sizeno data163 mm2
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)72 °Cno data
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier+-

Compatibility

Information on Core i7-6800K and Core i5-12400F 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
SocketFCLGA2011FCLGA1700
Power consumption (TDP)140 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-6800K and Core i5-12400F. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
AVX++
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
TSX-+
Idle States++
Thermal Monitoring-+
Smart Response+no data
Turbo Boost Max 3.0+-
Deep Learning Boost-+

Security technologies

Core i7-6800K and Core i5-12400F technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++
Secure Keyno data+
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-6800K and Core i5-12400F are enumerated here.

AMD-V-+
VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-6800K and Core i5-12400F. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR5-4800, DDR4-3200
Maximum memory size128 GB128 GB
Max memory channels42
Maximum memory bandwidthno data76.8 GB/s

Peripherals

Specifications and connection of peripherals supported by Core i7-6800K and Core i5-12400F.

PCIe version3.05.0 and 4.0
PCI Express lanes2820

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.

i7-6800K 6.78
i5-12400F 12.29
+81.3%

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.

i7-6800K 10764
i5-12400F 19526
+81.4%

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.

i7-6800K 1238
i5-12400F 2218
+79.2%

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.

i7-6800K 5689
i5-12400F 9091
+59.8%

Gaming performance

Pros & cons summary


Performance score 6.78 12.29
Recency 31 May 2016 4 January 2022
Power consumption (TDP) 140 Watt 65 Watt

i5-12400F has a 81.3% higher aggregate performance score, an age advantage of 5 years, and 115.4% lower power consumption.

The Core i5-12400F is our recommended choice as it beats the Core i7-6800K in performance tests.


Should you still have questions on choice between Core i7-6800K and Core i5-12400F, ask them in Comments section, and we shall answer.

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Intel Core i7-6800K
Core i7-6800K
Intel Core i5-12400F
Core i5-12400F

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Community ratings

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Questions & comments

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