i3-9350KF vs i5-8420

Primary details

Comparing Core i5-8420 and Core i3-9350KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated1253
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data7.23
Market segmentDesktop processorDesktop processor
SeriesIntel Core i5Intel Core i3
Power efficiencyno data4.94
Architecture codenameCoffee Lake (2017−2019)Coffee Lake (2017−2019)
Release date1 September 2018 (6 years ago)8 January 2019 (5 years ago)
Launch price (MSRP)no data$173

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i5-8420 and Core i3-9350KF 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)
Threads64
Base clock speed2.9 GHz4 GHz
Boost clock speed4.1 GHz4.6 GHz
Bus typeDMI 3.0DMI 3.0
Bus rate4 × 8 GT/s4 × 8 GT/s
Multiplierno data40
L1 cache384 KB64K (per core)
L2 cache1.5 MB256K (per core)
L3 cache9 MB (shared)6 MB (shared)
Chip lithography14 nm14 nm
Die size126 mm2126 mm2
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)72 °C72 °C
64 bit support++
Windows 11 compatibility-+

Compatibility

Information on Core i5-8420 and Core i3-9350KF 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)
Socket1151FCLGA1151
Power consumption (TDP)65 Watt91 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-8420 and Core i3-9350KF. 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)++
Turbo Boost Technologyno data2.0
Hyper-Threading Technologyno data-
Idle Statesno data+
Thermal Monitoring-+

Security technologies

Core i5-8420 and Core i3-9350KF 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 Core i5-8420 and Core i3-9350KF are enumerated here.

VT-d++
VT-x++
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-8420 and Core i3-9350KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4 Dual-channelDDR4-2400
Maximum memory size64 GB64 GB
Max memory channels22
Maximum memory bandwidth42.671 GB/s38.397 GB/s
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel UHD Graphics 630no data

Peripherals

Specifications and connection of peripherals supported by Core i5-8420 and Core i3-9350KF.

PCIe version3.03.0
PCI Express lanesno data16

Pros & cons summary


Recency 1 September 2018 8 January 2019
Physical cores 6 4
Threads 6 4
Power consumption (TDP) 65 Watt 91 Watt

i5-8420 has 50% more physical cores and 50% more threads, and 40% lower power consumption.

i3-9350KF, on the other hand, has an age advantage of 4 months.

We couldn't decide between Core i5-8420 and Core i3-9350KF. We've got no test results to judge.


Should you still have questions on choice between Core i5-8420 and Core i3-9350KF, ask them in Comments section, and we shall answer.

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Intel Core i5-8420
Core i5-8420
Intel Core i3-9350KF
Core i3-9350KF

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Community ratings

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2.3 12 votes

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3.4 46 votes

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Questions & comments

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