i5-11400 vs i7-11700K

Aggregate performance score

Core i7-11700K
2021
8 cores / 16 threads, 125 Watt
15.47
+44.4%
Core i5-11400
2021
6 cores / 12 threads, 65 Watt
10.71

Core i7-11700K outperforms Core i5-11400 by a considerable 44% based on our aggregate benchmark results.

Primary details

Comparing Core i7-11700K and Core i5-11400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking444724
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
SeriesIntel Core i7no data
Power efficiency11.7115.59
Architecture codenameRocket Lake (2021)Rocket Lake (2021)
Release date16 March 2021 (3 years ago)16 March 2021 (3 years ago)

Detailed specifications

Core i7-11700K and Core i5-11400 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)6 (Hexa-Core)
Threads1612
Base clock speed3.6 GHz2.6 GHz
Boost clock speed5 GHz4.4 GHz
Bus rate8 GT/s8 GT/s
L1 cache64K (per core)64K (per core)
L2 cache512K (per core)256K (per core)
L3 cache16 MB (shared)12 MB (shared)
Chip lithography14 nm14 nm
Maximum core temperature100 °C100 °C
Maximum case temperature (TCase)72 °C72 °C
64 bit support++
Windows 11 compatibility++
Unlocked multiplier+-

Compatibility

Information on Core i7-11700K and Core i5-11400 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
SocketFCLGA1200FCLGA1200
Power consumption (TDP)125 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-11700K and Core i5-11400. 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, Intel® AVX-512
AES-NI++
FMA+-
AVX++
vPro+no data
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
TSX++
Idle States++
Thermal Monitoring++
SIPP+-
Turbo Boost Max 3.0+-
Deep Learning Boost++

Security technologies

Core i7-11700K and Core i5-11400 technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++
Secure Key++
Identity Protection++
SGX--
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-11700K and Core i5-11400 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-11700K and Core i5-11400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4-3200
Maximum memory size128 GB128 GB
Max memory channels22
Maximum memory bandwidth50 GB/s50 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel UHD Graphics 750Intel UHD Graphics 730
Max video memory64 GB64 GB
Quick Sync Video++
Clear Video++
Clear Video HD++
Graphics max frequency1.3 GHz1.3 GHz
Execution Units3224
InTru 3D++

Graphics interfaces

Available interfaces and connections of Core i7-11700K and Core i5-11400 integrated GPUs.

Number of displays supported33

Graphics image quality

Maximum display resolutions supported by Core i7-11700K and Core i5-11400 integrated GPUs, including resolutions over different interfaces.

4K resolution support++
Max resolution over HDMI 1.44096x2160@60Hz4096x2160@60Hz
Max resolution over eDP5120 x 3200 @60Hz5120 x 3200 @60Hz
Max resolution over DisplayPort5120 x 3200 @60Hz5120 x 3200 @60Hz

Graphics API support

APIs supported by Core i7-11700K and Core i5-11400 integrated GPUs, sometimes API versions are included.

DirectX12.112.1
OpenGL4.54.5

Peripherals

Specifications and connection of peripherals supported by Core i7-11700K and Core i5-11400.

PCIe version4.04.0
PCI Express lanes2020

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.

i7-11700K 15.47
+44.4%
i5-11400 10.71

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.

i7-11700K 24567
+44.5%
i5-11400 17006

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.

i7-11700K 2253
+14.6%
i5-11400 1966

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.

i7-11700K 9891
+35.4%
i5-11400 7307

Gaming performance

Pros & cons summary


Performance score 15.47 10.71
Integrated graphics card 4.49 4.16
Physical cores 8 6
Threads 16 12
Power consumption (TDP) 125 Watt 65 Watt

i7-11700K has a 44.4% higher aggregate performance score, 7.9% faster integrated GPU, and 33.3% more physical cores and 33.3% more threads.

i5-11400, on the other hand, has 92.3% lower power consumption.

The Core i7-11700K is our recommended choice as it beats the Core i5-11400 in performance tests.


Should you still have questions on choice between Core i7-11700K and Core i5-11400, ask them in Comments section, and we shall answer.

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Intel Core i7-11700K
Core i7-11700K
Intel Core i5-11400
Core i5-11400

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Community ratings

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Questions & comments

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