i5-9400F vs i9-8950HK

VS

Aggregate performance score

Core i9-8950HK
2018
6 cores / 12 threads, 45 Watt
6.58
+10.4%
Core i5-9400F
2019
6 cores / 6 threads, 65 Watt
5.96

Core i9-8950HK outperforms Core i5-9400F by a moderate 10% based on our aggregate benchmark results.

Primary details

Comparing Core i9-8950HK and Core i5-9400F processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking10441108
Place by popularitynot in top-10024
Cost-effectiveness evaluationno data9.42
Market segmentLaptopDesktop processor
SeriesIntel Core i9Intel Core i5
Power efficiency6.558.68
Architecture codenameCoffee Lake-H (2018−2019)Coffee Lake-R (2018−2019)
Release date2 April 2018 (6 years ago)8 January 2019 (5 years ago)
Launch price (MSRP)$583$182

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i9-8950HK and Core i5-9400F 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)6 (Hexa-Core)
Threads126
Base clock speed2.9 GHz2.9 GHz
Boost clock speed4.8 GHz4.1 GHz
Bus typeDMI 3.0DMI 3.0
Bus rate4 × 8 GT/s4 × 8 GT/s
Multiplier2929
L1 cache64K (per core)64K (per core)
L2 cache256K (per core)256K (per core)
L3 cache12 MB (shared)9 MB (shared)
Chip lithography14 nm14 nm
Die size149 mm2149 mm2
Maximum core temperature100 °C100 °C
Maximum case temperature (TCase)72 °C72 °C
64 bit support++
Windows 11 compatibility++
Unlocked multiplier+-

Compatibility

Information on Core i9-8950HK and Core i5-9400F 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)
SocketFCBGA1440FCLGA1151
Power consumption (TDP)45 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-8950HK and Core i5-9400F. 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 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

Security technologies

Core i9-8950HK and Core i5-9400F 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 i9-8950HK and Core i5-9400F are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-8950HK and Core i5-9400F. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4-2666
Maximum memory size64 GB128 GB
Max memory channels22
Maximum memory bandwidth42.671 GB/s42.671 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel UHD Graphics 630no data
Max video memory64 GBno data
Quick Sync Video+-
Clear Video+no data
Clear Video HD+no data
Graphics max frequency1.2 GHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i9-8950HK and Core i5-9400F integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by Core i9-8950HK and Core i5-9400F 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 i9-8950HK and Core i5-9400F integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core i9-8950HK and Core i5-9400F.

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.

i9-8950HK 6.58
+10.4%
i5-9400F 5.96

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.

i9-8950HK 10455
+10.4%
i5-9400F 9467

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.

i9-8950HK 1413
+0.7%
i5-9400F 1403

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.

i9-8950HK 5117
+4.3%
i5-9400F 4907

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.

i9-8950HK 7149
+10.2%
i5-9400F 6490

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.

i9-8950HK 36591
+16.1%
i5-9400F 31523

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.

i9-8950HK 8.08
i5-9400F 6.76
+19.5%

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.

i9-8950HK 13
+17.3%
i5-9400F 11

Cinebench 15 64-bit multi-core

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

i9-8950HK 1224
+24.3%
i5-9400F 984

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.

i9-8950HK 195
+12.7%
i5-9400F 173

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.

i9-8950HK 2.24
+14.9%
i5-9400F 1.95

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.

i9-8950HK 7.2
+38.5%
i5-9400F 5.2

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.

i9-8950HK 6421
+10.8%
i5-9400F 5794

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.  

i9-8950HK 78
+21.7%
i5-9400F 64

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.  

i9-8950HK 225
i5-9400F 234
+4%

Geekbench 5.5 Multi-Core

i9-8950HK 5205
i5-9400F 5715
+9.8%

Blender(-)

i9-8950HK 411
i5-9400F 469
+14%

Geekbench 5.5 Single-Core

i9-8950HK 1097
i5-9400F 1139
+3.8%

7-Zip Single

i9-8950HK 5080
+8.6%
i5-9400F 4678

Gaming performance

Pros & cons summary


Performance score 6.58 5.96
Recency 2 April 2018 8 January 2019
Threads 12 6
Power consumption (TDP) 45 Watt 65 Watt

i9-8950HK has a 10.4% higher aggregate performance score, 100% more threads, and 44.4% lower power consumption.

i5-9400F, on the other hand, has an age advantage of 9 months.

The Core i9-8950HK is our recommended choice as it beats the Core i5-9400F in performance tests.

Be aware that Core i9-8950HK is a notebook processor while Core i5-9400F is a desktop one.


Should you still have questions on choice between Core i9-8950HK and Core i5-9400F, 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 i9-8950HK
Core i9-8950HK
Intel Core i5-9400F
Core i5-9400F

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.


3.6 130 votes

Rate Core i9-8950HK on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.9 56769 votes

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

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core i9-8950HK or Core i5-9400F, agree or disagree with our judgements, or report an error or mismatch.