i5-11400F vs i7-7820HK

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Aggregate performance score

Core i7-7820HK
2017
4 cores / 8 threads, 45 Watt
4.64
Core i5-11400F
2021
6 cores / 12 threads, 65 Watt
10.71
+131%

Core i5-11400F outperforms Core i7-7820HK by a whopping 131% based on our aggregate benchmark results.

Primary details

Comparing Core i7-7820HK and Core i5-11400F processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1293732
Place by popularitynot in top-10030
Cost-effectiveness evaluationno data39.28
Market segmentLaptopDesktop processor
SeriesIntel Core i7no data
Power efficiency9.7615.59
Architecture codenameKaby Lake-H (2017)Rocket Lake (2021)
Release date3 January 2017 (7 years ago)16 March 2021 (3 years ago)
Launch price (MSRP)$378$157

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i7-7820HK 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)
Threads812
Base clock speed2.9 GHz2.6 GHz
Boost clock speed3.9 GHz4.4 GHz
Bus typeDMI 3.0no data
Bus rate8 GT/s8 GT/s
Multiplier29no data
L1 cache256 KB64K (per core)
L2 cache1 MB256K (per core)
L3 cache8 MB (shared)12 MB (shared)
Chip lithography14 nm14 nm
Die size126 mm2276 mm2
Maximum core temperature100 °C100 °C
Maximum case temperature (TCase)no data72 °C
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier+-

Compatibility

Information on Core i7-7820HK 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 configuration1 (Uniprocessor)1
SocketFCBGA1440FCLGA1200
Power consumption (TDP)45 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-7820HK and Core i5-11400F. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI++
FMA-+
AVX++
Enhanced SpeedStep (EIST)++
Speed Shift+no data
My WiFi+no data
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
TSX++
Idle States++
Thermal Monitoring++
Flex Memory Access+no data
Smart Response+no data
Turbo Boost Max 3.0no data-
Deep Learning Boost-+

Security technologies

Core i7-7820HK and Core i5-11400F technologies aimed at improving security, for example, by protecting against hacks.

TXT-+
EDB++
Secure Key++
MPX+-
Identity Protection++
SGXYes with Intel® ME-
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-7820HK and Core i5-11400F are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-7820HK and Core i5-11400F. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4
Maximum memory size64 GB128 GB
Max memory channels22
Maximum memory bandwidth38.397 GB/s50 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics 630no data
Max video memory64 GBno data
Quick Sync Video+-
Clear Video+no data
Clear Video HD+no data
Graphics max frequency1.1 GHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i7-7820HK and Core i5-11400F integrated GPUs.

Number of displays supported3no data
eDP+no data
DisplayPort+-
HDMI+-
DVI+no data

Graphics image quality

Maximum display resolutions supported by Core i7-7820HK and Core i5-11400F integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096x2304@30Hzno data
Max resolution over eDP4096x2304@60Hzno data
Max resolution over DisplayPort4096x2304@60Hzno data
Max resolution over VGAN/Ano data

Graphics API support

APIs supported by Core i7-7820HK and Core i5-11400F integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core i7-7820HK and Core i5-11400F.

PCIe version3.04.0
PCI Express lanes1620

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.

i7-7820HK 4.64
i5-11400F 10.71
+131%

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.

i7-7820HK 7370
i5-11400F 17005
+131%

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.

i7-7820HK 1275
i5-11400F 1980
+55.3%

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.

i7-7820HK 4181
i5-11400F 7601
+81.8%

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

i7-7820HK 6182
i5-11400F 6210
+0.5%

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

i7-7820HK 23047
i5-11400F 44220
+91.9%

3DMark06 CPU

3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.

i7-7820HK 8038
i5-11400F 13359
+66.2%

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

i7-7820HK 8.65
i5-11400F 4.09
+111%

Cinebench 11.5 64-bit multi-core

Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.

i7-7820HK 8
i5-11400F 18
+109%

Cinebench 15 64-bit multi-core

Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.

i7-7820HK 770
i5-11400F 1574
+104%

Cinebench 15 64-bit single-core

Cinebench R15 (standing for Release 15) is a benchmark made by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version (sometimes called Single-Thread) only uses a single processor thread to render a room full of reflective spheres and light sources.

i7-7820HK 162
i5-11400F 210
+29.6%

Cinebench 11.5 64-bit single-core

Cinebench R11.5 is an old benchmark by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version loads a single thread with ray tracing to render a glossy room full of crystal spheres and light sources.

i7-7820HK 1.84
i5-11400F 2.23
+21.2%

TrueCrypt AES

TrueCrypt is a discontinued piece of software that was widely used for on-the-fly-encryption of disk partitions, now superseded by VeraCrypt. It contains several embedded performance tests, one of them being TrueCrypt AES, which measures data encryption speed using AES algorithm. Result is encryption speed in gigabytes per second.

i7-7820HK 4.2
i5-11400F 8.7
+107%

WinRAR 4.0

WinRAR 4.0 is an outdated version of a popular file archiver. It contains an internal speed test, using 'Best' setting of RAR compression on large chunks of randomly generated data. Its results are measured in kilobytes per second.

i7-7820HK 5135
i5-11400F 7147
+39.2%

x264 encoding pass 2

x264 Pass 2 is a slower variant of x264 video compression that produces a variable bit rate output file, which results in better quality since the higher bit rate is used when it is needed more. Benchmark result is still measured in frames per second.  

i7-7820HK 47
i5-11400F 92
+95.1%

x264 encoding pass 1

x264 version 4.0 is a video encoding benchmark uses MPEG 4 x264 compression method to compress a sample HD (720p) video. Pass 1 is a faster variant that produces a constant bit rate output file. Its result is measured in frames per second, which means how many frames of the source video file were encoded per second.  

i7-7820HK 179
i5-11400F 258
+44.3%

Gaming performance

Pros & cons summary


Performance score 4.64 10.71
Recency 3 January 2017 16 March 2021
Physical cores 4 6
Threads 8 12
Power consumption (TDP) 45 Watt 65 Watt

i7-7820HK has 44.4% lower power consumption.

i5-11400F, on the other hand, has a 130.8% higher aggregate performance score, an age advantage of 4 years, and 50% more physical cores and 50% more threads.

The Core i5-11400F is our recommended choice as it beats the Core i7-7820HK in performance tests.

Be aware that Core i7-7820HK is a notebook processor while Core i5-11400F is a desktop one.


Should you still have questions on choice between Core i7-7820HK and Core i5-11400F, ask them in Comments section, and we shall answer.

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Intel Core i7-7820HK
Core i7-7820HK
Intel Core i5-11400F
Core i5-11400F

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