i7-10700K vs i5-9400F

Aggregate performance score

Core i5-9400F
2019
6 cores / 6 threads, 65 Watt
5.96
Core i7-10700K
2020
8 cores / 16 threads, 125 Watt
11.81
+98.2%

Core i7-10700K outperforms Core i5-9400F by an impressive 98% based on our aggregate benchmark results.

Primary details

Comparing Core i5-9400F and Core i7-10700K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1096651
Place by popularity25not in top-100
Cost-effectiveness evaluation9.0714.13
Market segmentDesktop processorDesktop processor
SeriesIntel Core i5no data
Power efficiency8.688.94
Architecture codenameCoffee Lake-R (2018−2019)Comet Lake (2020)
Release date8 January 2019 (5 years ago)30 April 2020 (4 years ago)
Launch price (MSRP)$182$400

Cost-effectiveness evaluation

Performance per price, higher is better.

i7-10700K has 56% better value for money than i5-9400F.

Detailed specifications

Core i5-9400F and Core i7-10700K 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)
Threads616
Base clock speed2.9 GHz3.8 GHz
Boost clock speed4.1 GHz5.1 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/s8 GT/s
Multiplier29no data
L1 cache64K (per core)64K (per core)
L2 cache256K (per core)256K (per core)
L3 cache9 MB (shared)16 MB (shared)
Chip lithography14 nm14 nm
Die size149 mm2no data
Maximum core temperature100 °C100 °C
Maximum case temperature (TCase)72 °C72 °C
64 bit support++
Windows 11 compatibility++
Unlocked multiplier-+

Compatibility

Information on Core i5-9400F and Core i7-10700K 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
SocketFCLGA1151FCLGA1200
Power consumption (TDP)65 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-9400F and Core i7-10700K. 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
AES-NI++
FMA-+
AVX++
vProno data+
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.02.0
Hyper-Threading Technology-+
Idle States++
Thermal Monitoring++
SIPP-+
Turbo Boost Max 3.0no data+

Security technologies

Core i5-9400F and Core i7-10700K technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-9400F and Core i7-10700K are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-9400F and Core i7-10700K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2666DDR4
Maximum memory size128 GB128 GB
Max memory channels22
Maximum memory bandwidth42.671 GB/s45.8 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel UHD Graphics 630
Max video memoryno data64 GB
Quick Sync Video-+
Clear Videono data+
Clear Video HDno data+
Graphics max frequencyno data1.2 GHz
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of Core i5-9400F and Core i7-10700K integrated GPUs.

Number of displays supportedno data3

Graphics image quality

Maximum display resolutions supported by Core i5-9400F and Core i7-10700K integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.4no data4096 x 2160@30Hz
Max resolution over eDPno data4096 x 2304@60Hz
Max resolution over DisplayPortno data4096 x 2304@60Hz

Graphics API support

APIs supported by Core i5-9400F and Core i7-10700K integrated GPUs, sometimes API versions are included.

DirectXno data12
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by Core i5-9400F and Core i7-10700K.

PCIe version3.03.0
PCI Express lanes1616

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.

i5-9400F 5.96
i7-10700K 11.81
+98.2%

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.

i5-9400F 9470
i7-10700K 18766
+98.2%

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.

i5-9400F 1403
i7-10700K 1728
+23.2%

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.

i5-9400F 4898
i7-10700K 8195
+67.3%

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.

i5-9400F 6490
i7-10700K 7910
+21.9%

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.

i5-9400F 31523
i7-10700K 50670
+60.7%

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.

i5-9400F 6.76
i7-10700K 3.18
+113%

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.

i5-9400F 11
i7-10700K 22
+96.9%

Cinebench 15 64-bit multi-core

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

i5-9400F 984
i7-10700K 2027
+106%

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.

i5-9400F 173
i7-10700K 208
+20.2%

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.

i5-9400F 1.95
i7-10700K 2.38
+22.1%

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.

i5-9400F 5.2
i7-10700K 11.2
+115%

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.  

i5-9400F 64
i7-10700K 121
+89.1%

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.  

i5-9400F 234
i7-10700K 269
+15%

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.

i5-9400F 5794
i7-10700K 8469
+46.2%

Geekbench 5.5 Multi-Core

i5-9400F 5715
i7-10700K 8925
+56.2%

Blender(-)

i5-9400F 469
+116%
i7-10700K 217

Geekbench 5.5 Single-Core

i5-9400F 1139
i7-10700K 1374
+20.6%

7-Zip Single

i5-9400F 4678
i7-10700K 5647
+20.7%

7-Zip

i5-9400F 25639
i7-10700K 54050
+111%

WebXPRT 3

i5-9400F 211
i7-10700K 245
+16.1%

Gaming performance

Pros & cons summary


Performance score 5.96 11.81
Recency 8 January 2019 30 April 2020
Physical cores 6 8
Threads 6 16
Power consumption (TDP) 65 Watt 125 Watt

i5-9400F has 92.3% lower power consumption.

i7-10700K, on the other hand, has a 98.2% higher aggregate performance score, an age advantage of 1 year, and 33.3% more physical cores and 166.7% more threads.

The Core i7-10700K is our recommended choice as it beats the Core i5-9400F in performance tests.


Should you still have questions on choice between Core i5-9400F and Core i7-10700K, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Core i5-9400F
Core i5-9400F
Intel Core i7-10700K
Core i7-10700K

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


4.9 56649 votes

Rate Core i5-9400F on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4 1504 votes

Rate Core i7-10700K on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core i5-9400F or Core i7-10700K, agree or disagree with our judgements, or report an error or mismatch.