i5-8365U vs i5-9400F

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Aggregate performance score

Core i5-9400F
2019
6 cores / 6 threads, 65 Watt
5.96
+55.2%
Core i5-8365U
2019
4 cores / 8 threads, 15 Watt
3.84

Core i5-9400F outperforms Core i5-8365U by an impressive 55% based on our aggregate benchmark results.

Primary details

Comparing Core i5-9400F and Core i5-8365U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking11091468
Place by popularity24not in top-100
Cost-effectiveness evaluation9.38no data
Market segmentDesktop processorLaptop
SeriesIntel Core i5Intel Core i5
Power efficiency8.6824.23
Architecture codenameCoffee Lake-R (2018−2019)Whiskey Lake-U (2018−2019)
Release date8 January 2019 (5 years ago)16 April 2019 (5 years ago)
Launch price (MSRP)$182$297

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i5-9400F and Core i5-8365U 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)4 (Quad-Core)
Threads68
Base clock speed2.9 GHz1.6 GHz
Boost clock speed4.1 GHz4.1 GHz
Bus typeDMI 3.0OPI
Bus rate4 × 8 GT/s4 GT/s
Multiplier2916
L1 cache64K (per core)64 KB (per core)
L2 cache256K (per core)256 KB (per core)
L3 cache9 MB (shared)6 MB (shared)
Chip lithography14 nm14 nm
Die size149 mm2no data
Maximum core temperature100 °C100 °C
Maximum case temperature (TCase)72 °Cno data
64 bit support++
Windows 11 compatibility++

Compatibility

Information on Core i5-9400F and Core i5-8365U 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 (Uniprocessor)
SocketFCLGA1151FCBGA1528
Power consumption (TDP)65 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-9400F and Core i5-8365U. 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++
AVX++
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
My WiFino data+
Turbo Boost Technology2.02.0
Hyper-Threading Technology-+
TSX-+
Idle States++
Thermal Monitoring++
Flex Memory Accessno data+
SIPP-+
Smart Responseno data+

Security technologies

Core i5-9400F and Core i5-8365U 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 i5-8365U are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-9400F and Core i5-8365U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2666DDR4
Maximum memory size128 GB64 GB
Max memory channels22
Maximum memory bandwidth42.671 GB/s38.397 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel UHD Graphics for 8th Generation Intel Processors
Max video memoryno data32 GB
Quick Sync Video-+
Clear Videono data+
Clear Video HDno data+
Graphics max frequencyno data1.1 GHz

Graphics interfaces

Available interfaces and connections of Core i5-9400F and Core i5-8365U integrated GPUs.

Number of displays supportedno data3
eDPno data+
DisplayPort-+
HDMI-+
DVIno data+

Graphics image quality

Maximum display resolutions supported by Core i5-9400F and Core i5-8365U integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.4no data4096x2304@24Hz
Max resolution over eDPno data4096x2304@60Hz
Max resolution over DisplayPortno data4096x2304@60Hz

Graphics API support

APIs supported by Core i5-9400F and Core i5-8365U 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 i5-8365U.

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
+55.2%
i5-8365U 3.84

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 9468
+55.2%
i5-8365U 6100

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 1404
+120%
i5-8365U 638

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 4909
+103%
i5-8365U 2419

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
i5-8365U 6557
+1%

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
+90.8%
i5-8365U 16518

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
+14.2%
i5-8365U 7.72

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
+96.3%
i5-8365U 6

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
+69.9%
i5-8365U 579

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
+4.2%
i5-8365U 166

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
+2.1%
i5-8365U 1.91

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
+13%
i5-8365U 4.6

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
+82.6%
i5-8365U 3173

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
+78.3%
i5-8365U 36

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
+52.9%
i5-8365U 153

Blender(-)

i5-9400F 469
i5-8365U 825
+76.1%

7-Zip Single

i5-9400F 4678
+7.6%
i5-8365U 4346

7-Zip

i5-9400F 25639
+48.3%
i5-8365U 17293

Gaming performance

Pros & cons summary


Performance score 5.96 3.84
Recency 8 January 2019 16 April 2019
Physical cores 6 4
Threads 6 8
Power consumption (TDP) 65 Watt 15 Watt

i5-9400F has a 55.2% higher aggregate performance score, and 50% more physical cores.

i5-8365U, on the other hand, has an age advantage of 3 months, 33.3% more threads, and 333.3% lower power consumption.

The Core i5-9400F is our recommended choice as it beats the Core i5-8365U in performance tests.

Note that Core i5-9400F is a desktop processor while Core i5-8365U is a notebook one.


Should you still have questions on choice between Core i5-9400F and Core i5-8365U, ask them in Comments section, and we shall answer.

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Intel Core i5-9400F
Core i5-9400F
Intel Core i5-8365U
Core i5-8365U

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Community ratings

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Questions & comments

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