i5-12400F vs i5-8420

Primary details

Comparing Core i5-8420 and Core i5-12400F processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	620
Place by popularity	not in top-100	4
Cost-effectiveness evaluation	no data	43.61
Market segment	Desktop processor	Desktop processor
Series	Intel Core i5	no data
Power efficiency	no data	17.89
Architecture codename	Coffee Lake (2017−2019)	Alder Lake-S (2022)
Release date	1 September 2018 (6 years ago)	4 January 2022 (2 years ago)
Launch price (MSRP)	no data	$180

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i5-8420 and Core i5-12400F 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)	6 (Hexa-Core)
Threads	6	12
Base clock speed	2.9 GHz	2.5 GHz
Boost clock speed	4.1 GHz	4.4 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	no data
L1 cache	64K (per core)	80K (per core)
L2 cache	256K (per core)	1.25 MB (per core)
L3 cache	9 MB (shared)	18 MB (shared)
Chip lithography	14 nm	Intel 7 nm
Die size	126 mm2	163 mm2
Maximum core temperature	no data	100 °C
Maximum case temperature (TCase)	72 °C	no data
64 bit support	+	+
Windows 11 compatibility	-	+

Compatibility

Information on Core i5-8420 and Core i5-12400F 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	1151	FCLGA1700
Power consumption (TDP)	65 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-8420 and Core i5-12400F. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+	+
AVX	+	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Turbo Boost Technology	no data	2.0
Hyper-Threading Technology	no data	+
TSX	-	+
Idle States	no data	+
Thermal Monitoring	-	+
Turbo Boost Max 3.0	no data	-
Deep Learning Boost	-	+

Security technologies

Core i5-8420 and Core i5-12400F technologies aimed at improving security, for example, by protecting against hacks.

TXT	no data	+
EDB	no data	+
Secure Key	no data	+
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-8420 and Core i5-12400F are enumerated here.

AMD-V	-	+
VT-d	+	+
VT-x	+	+
EPT	no data	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-8420 and Core i5-12400F. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4 Dual-channel	DDR5-4800, DDR4-3200
Maximum memory size	64 GB	128 GB
Max memory channels	2	2
Maximum memory bandwidth	42.671 GB/s	76.8 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

Intel UHD Graphics 630

no data

Peripherals

Specifications and connection of peripherals supported by Core i5-8420 and Core i5-12400F.

PCIe version	3.0	5.0 and 4.0
PCI Express lanes	no data	20

Pros & cons summary

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Recency	1 September 2018	4 January 2022
Threads	6	12

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Should you still have questions on choice between Core i5-8420 and Core i5-12400F, ask them in Comments section, and we shall answer.

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