i5-11400F vs i5-7640K

Primary details

Comparing Core i5-7640K and Core i5-11400F processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated723
Place by popularitynot in top-10038
Cost-effectiveness evaluationno data37.65
Market segmentDesktop processorDesktop processor
Power efficiencyno data15.59
Architecture codenameKaby Lake-X (2017)Rocket Lake (2021)
Release dateno data (2024 years ago)16 March 2021 (3 years ago)
Launch price (MSRP)no data$157

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i5-7640K and Core i5-11400F 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 cores4 (Quad-Core)6 (Hexa-Core)
Threadsno data12
Base clock speedno data2.6 GHz
Boost clock speed3.9 GHz4.4 GHz
Bus rateno data8 GT/s
L1 cache64 KB (per core)64K (per core)
L2 cache256 KB (per core)256K (per core)
L3 cache6144 KB (shared)12 MB (shared)
Chip lithography14 nm14 nm
Die sizeno data276 mm2
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)72 °C72 °C
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier+-

Compatibility

Information on Core i5-7640K and Core i5-11400F 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
Socket1151FCLGA1200
Power consumption (TDP)112 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-7640K and Core i5-11400F. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI++
FMA-+
AVX++
Enhanced SpeedStep (EIST)++
Turbo Boost Technologyno data2.0
Hyper-Threading Technologyno data+
TSX-+
Idle Statesno data+
Thermal Monitoring-+
Turbo Boost Max 3.0no data-
Deep Learning Boost-+

Security technologies

Core i5-7640K and Core i5-11400F technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDBno data+
Secure Keyno data+
Identity Protection-+
SGXno data-
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-7640K and Core i5-11400F are enumerated here.

VT-dno data+
VT-x++
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-7640K and Core i5-11400F. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4
Maximum memory sizeno data128 GB
Max memory channelsno data2
Maximum memory bandwidthno data50 GB/s

Peripherals

Specifications and connection of peripherals supported by Core i5-7640K and Core i5-11400F.

PCIe versionno data4.0
PCI Express lanesno data20

Pros & cons summary


Physical cores 4 6
Power consumption (TDP) 112 Watt 65 Watt

i5-11400F has 50% more physical cores, and 72.3% lower power consumption.

We couldn't decide between Core i5-7640K and Core i5-11400F. We've got no test results to judge.


Should you still have questions on choice between Core i5-7640K and Core i5-11400F, ask them in Comments section, and we shall answer.

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Intel Core i5-7640K
Core i5-7640K
Intel Core i5-11400F
Core i5-11400F

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Community ratings

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Questions & comments

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