i5-9400F vs i5-4258U

VS

Aggregate performance score

Core i5-4258U
2013
2 cores / 4 threads, 28 Watt
1.66
Core i5-9400F
2019
6 cores / 6 threads, 65 Watt
5.96
+259%

Core i5-9400F outperforms Core i5-4258U by a whopping 259% based on our aggregate benchmark results.

Primary details

Comparing Core i5-4258U and Core i5-9400F processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking20811108
Place by popularitynot in top-10024
Cost-effectiveness evaluationno data9.41
Market segmentLaptopDesktop processor
SeriesIntel Core i5Intel Core i5
Power efficiency5.618.67
Architecture codenameHaswell (2013−2015)Coffee Lake-R (2018−2019)
Release date4 June 2013 (11 years ago)8 January 2019 (5 years ago)
Launch price (MSRP)$342$182

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i5-4258U 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 cores2 (Dual-core)6 (Hexa-Core)
Threads46
Base clock speed2.4 GHz2.9 GHz
Boost clock speed2.9 GHz4.1 GHz
Bus typeno dataDMI 3.0
Bus rate5 GT/s4 × 8 GT/s
Multiplierno data29
L1 cache64K (per core)64K (per core)
L2 cache256K (per core)256K (per core)
L3 cache3 MB (shared)9 MB (shared)
Chip lithography22 nm14 nm
Die size118 mm2149 mm2
Maximum core temperature100 °C100 °C
Maximum case temperature (TCase)no data72 °C
Number of transistors1,400 millionno data
64 bit support++
Windows 11 compatibility-+

Compatibility

Information on Core i5-4258U 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 configuration11 (Uniprocessor)
SocketFCBGA1168FCLGA1151
Power consumption (TDP)28 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-4258U 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)++
Turbo Boost Technology2.02.0
Hyper-Threading Technology+-
Idle States++
Thermal Monitoring++
GPIO+no data
Smart Connect+no data
FDI-no data
AMT9.5no data
Matrix Storage-no data
HD Audio+no data
RST+no data

Security technologies

Core i5-4258U and Core i5-9400F technologies aimed at improving security, for example, by protecting against hacks.

TXT+-
EDB++
Secure Key++
MPX-+
Identity Protection++
SGXno dataYes with Intel® ME
OS Guardno data+
Anti-Theft+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-4258U 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 i5-4258U and Core i5-9400F. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR4-2666
Maximum memory size16 GB128 GB
Max memory channels22
Maximum memory bandwidth25.6 GB/s42.671 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel Iris Graphics 5100no data
Max video memory2 GBno data
Quick Sync Video+-
Clear Video HD+no data
Graphics max frequency1.1 GHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i5-4258U and Core i5-9400F integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by Core i5-4258U and Core i5-9400F integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.43280x2000@60Hzno data
Max resolution over DisplayPort3200x2000@60Hzno data

Graphics API support

APIs supported by Core i5-4258U and Core i5-9400F integrated GPUs, sometimes API versions are included.

DirectX11.2/12no data
OpenGL4.3no data

Peripherals

Specifications and connection of peripherals supported by Core i5-4258U and Core i5-9400F.

PCIe version2.03.0
PCI Express lanes1216
PCI support-no data
USB revision3.0no data
Total number of SATA ports4no data
Max number of SATA 6 Gb/s Ports4no data
Integrated IDE-no data
Number of USB ports4no data
Integrated LAN-no data
UART+no data

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.

i5-4258U 1.66
i5-9400F 5.96
+259%

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.

i5-4258U 2633
i5-9400F 9468
+260%

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.

i5-4258U 859
i5-9400F 1404
+63.4%

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.

i5-4258U 1680
i5-9400F 4908
+192%

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.

i5-4258U 4572
i5-9400F 6490
+42%

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.

i5-4258U 10121
i5-9400F 31523
+211%

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.

i5-4258U 18
i5-9400F 6.76
+166%

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.

i5-4258U 3
i5-9400F 11
+271%

Cinebench 15 64-bit multi-core

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

i5-4258U 283
i5-9400F 984
+248%

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.

i5-4258U 112
i5-9400F 173
+54.5%

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.

i5-4258U 1.24
i5-9400F 1.95
+57.3%

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.

i5-4258U 1.7
i5-9400F 5.2
+215%

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.

i5-4258U 2030
i5-9400F 5794
+185%

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.  

i5-4258U 18
i5-9400F 64
+254%

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.  

i5-4258U 94
i5-9400F 234
+149%

Gaming performance

Pros & cons summary


Performance score 1.66 5.96
Recency 4 June 2013 8 January 2019
Physical cores 2 6
Threads 4 6
Chip lithography 22 nm 14 nm
Power consumption (TDP) 28 Watt 65 Watt

i5-4258U has 132.1% lower power consumption.

i5-9400F, on the other hand, has a 259% higher aggregate performance score, an age advantage of 5 years, 200% more physical cores and 50% more threads, and a 57.1% more advanced lithography process.

The Core i5-9400F is our recommended choice as it beats the Core i5-4258U in performance tests.

Be aware that Core i5-4258U is a notebook processor while Core i5-9400F is a desktop one.


Should you still have questions on choice between Core i5-4258U 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 i5-4258U
Core i5-4258U
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.


4.3 15 votes

Rate Core i5-4258U 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 i5-4258U or Core i5-9400F, agree or disagree with our judgements, or report an error or mismatch.