Core i3-8100B vs Core i5-9400F

Primary details

Comparing Core i5-9400F and Core i3-8100B processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1055	1417
Place by popularity	24	not in top-100
Cost-effectiveness evaluation	10.33	no data
Market segment	Desktop processor	Laptop
Series	Intel Core i5	no data
Architecture codename	Coffee Lake-R (2018−2019)	no data
Release date	7 January 2019 (5 years ago)	no data
Launch price (MSRP)	$182	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i5-9400F and Core i3-8100B 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 cores	6 (Hexa-Core)	4 (Quad-Core)
Threads	6	4
Base clock speed	2.9 GHz	no data
Boost clock speed	2.9 GHz	no data
Bus support	4 × 8 GT/s	no data
L1 cache	385 KB	no data
L2 cache	1.5 MB	no data
L3 cache	9 MB	no data
Chip lithography	14 nm	no data
Die size	149 mm2	no data
Maximum case temperature (TCase)	72 °C	no data
64 bit support	+	-
Windows 11 compatibility	+	+
Unlocked multiplier	No	No

Compatibility

Information on Core i5-9400F and Core i3-8100B 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 configuration	1 (Uniprocessor)	1
Socket	LGA 1151-2	no data
Power consumption (TDP)	65 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-9400F and Core i3-8100B. You'll probably need this information if you require some particular technology.

AES-NI	+	no data
AVX	+	no data
Enhanced SpeedStep (EIST)	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-9400F and Core i3-8100B are enumerated here.

VT-d	+	no data
VT-x	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-9400F and Core i3-8100B. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4 Dual-channel	no data
Maximum memory size	64 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	42.671 GB/s	no data
ECC memory support	-	-

Peripherals

Specifications and connection of peripherals supported by Core i5-9400F and Core i3-8100B.

PCIe version	3.0	no data
PCI Express lanes	16	16

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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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.

Pros & cons summary

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Performance score	6.12	3.91
Physical cores	6	4
Threads	6	4

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Should you still have questions on choice between Core i5-9400F and Core i3-8100B, ask them in Comments section, and we shall answer.

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