i5-9400 vs Pentium 3558U

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Aggregate performance score

Pentium 3558U
2014
2 cores / 2 threads, 15 Watt
0.65
Core i5-9400
2018
6 cores / 6 threads, 65 Watt
5.90
+808%

Core i5-9400 outperforms Pentium 3558U by a whopping 808% based on our aggregate benchmark results.

Primary details

Comparing Pentium 3558U and Core i5-9400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking27611113
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data8.55
Market segmentLaptopDesktop processor
SeriesIntel PentiumIntel Core i5
Power efficiency4.108.58
Architecture codenameHaswell (2013−2015)Coffee Lake (2017−2019)
Release date1 January 2014 (10 years ago)19 October 2018 (6 years ago)
Launch price (MSRP)$161$182

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Pentium 3558U and Core i5-9400 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)
Threads26
Base clock speedno data2.9 GHz
Boost clock speed1.7 GHz4.1 GHz
Bus typeno dataDMI 3.0
Bus rate5 GT/s4 × 8 GT/s
Multiplierno data29
L1 cache128 KB64K (per core)
L2 cache512 KB256K (per core)
L3 cache2 MB9 MB (shared)
Chip lithography22 nm14 nm
Die sizeno data149 mm2
Maximum core temperature100 °C100 °C
Maximum case temperature (TCase)no data72 °C
64 bit support++
Windows 11 compatibility-+

Compatibility

Information on Pentium 3558U and Core i5-9400 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 configurationno data1 (Uniprocessor)
SocketFCBGA1168FCLGA1151
Power consumption (TDP)15 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium 3558U and Core i5-9400. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI-+
AVX-+
Enhanced SpeedStep (EIST)no data+
Turbo Boost Technologyno data2.0
Hyper-Threading Technologyno data-
Idle Statesno data+
Thermal Monitoring-+

Security technologies

Pentium 3558U and Core i5-9400 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data-
EDBno data+
Secure Keyno data+
MPX-+
Identity Protection-+
SGXno dataYes with Intel® ME
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium 3558U and Core i5-9400 are enumerated here.

AMD-V+-
VT-dno data+
VT-xno data+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium 3558U and Core i5-9400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR4-2666
Maximum memory sizeno data128 GB
Max memory channelsno data2
Maximum memory bandwidthno data42.671 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel HD Graphics (Haswell) (200 - 1000 MHz)Intel UHD Graphics 630
Max video memoryno data64 GB
Quick Sync Video-+
Clear Videono data+
Clear Video HDno data+
Graphics max frequencyno data1.05 GHz
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of Pentium 3558U and Core i5-9400 integrated GPUs.

Number of displays supportedno data3

Graphics image quality

Maximum display resolutions supported by Pentium 3558U and Core i5-9400 integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.4no data4096 x 2304@24Hz
Max resolution over eDPno data4096 x 2304@60Hz
Max resolution over DisplayPortno data4096 x 2304@60Hz

Graphics API support

APIs supported by Pentium 3558U and Core i5-9400 integrated GPUs, sometimes API versions are included.

DirectXno data12
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by Pentium 3558U and Core i5-9400.

PCIe versionno data3.0
PCI Express lanesno data16

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.

Pentium 3558U 0.65
i5-9400 5.90
+808%

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.

Pentium 3558U 1040
i5-9400 9374
+801%

Gaming performance

Pros & cons summary


Performance score 0.65 5.90
Integrated graphics card 0.84 3.09
Recency 1 January 2014 19 October 2018
Physical cores 2 6
Threads 2 6
Chip lithography 22 nm 14 nm
Power consumption (TDP) 15 Watt 65 Watt

Pentium 3558U has 333.3% lower power consumption.

i5-9400, on the other hand, has a 807.7% higher aggregate performance score, 267.9% faster integrated GPU, an age advantage of 4 years, 200% more physical cores and 200% more threads, and a 57.1% more advanced lithography process.

The Core i5-9400 is our recommended choice as it beats the Pentium 3558U in performance tests.

Be aware that Pentium 3558U is a notebook processor while Core i5-9400 is a desktop one.


Should you still have questions on choice between Pentium 3558U and Core i5-9400, ask them in Comments section, and we shall answer.

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Intel Pentium 3558U
Pentium 3558U
Intel Core i5-9400
Core i5-9400

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Community ratings

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Questions & comments

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