i5-12400F vs Celeron B840

Primary details

Comparing Celeron B840 and Core i5-12400F processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2802	631
Place by popularity	not in top-100	2
Cost-effectiveness evaluation	no data	46.23
Market segment	Laptop	Desktop processor
Series	Intel Celeron	no data
Power efficiency	1.65	17.89
Architecture codename	Sandy Bridge (2011−2013)	Alder Lake-S (2022)
Release date	1 July 2011 (13 years ago)	4 January 2022 (2 years ago)
Launch price (MSRP)	$86	$180

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Celeron B840 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	2 (Dual-core)	6 (Hexa-Core)
Performance-cores	no data	6
Threads	2	12
Base clock speed	no data	2.5 GHz
Boost clock speed	1.9 GHz	4.4 GHz
Bus type	DMI 2.0	no data
Bus rate	4 × 5 GT/s	no data
Multiplier	19	no data
L1 cache	64K (per core)	80K (per core)
L2 cache	256K (per core)	1.25 MB (per core)
L3 cache	2 MB (shared)	18 MB (shared)
Chip lithography	32 nm	Intel 7 nm
Die size	131 mm2	163 mm2
Maximum core temperature	100 °C	100 °C
Number of transistors	504 million	no data
64 bit support	+	+
Windows 11 compatibility	-	+

Compatibility

Information on Celeron B840 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	G2 (988B)	FCLGA1700
Power consumption (TDP)	35 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron B840 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	-	+
FMA	+	-
AVX	-	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Turbo Boost Technology	no data	2.0
Hyper-Threading Technology	no data	+
TSX	-	+
Idle States	+	+
Thermal Monitoring	+	+
Turbo Boost Max 3.0	no data	-
Deep Learning Boost	-	+

Security technologies

Celeron B840 and Core i5-12400F technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron B840 and Core i5-12400F are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron B840 and Core i5-12400F. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR5-4800, DDR4-3200
Maximum memory size	16 GB	128 GB
Max memory channels	2	2
Maximum memory bandwidth	21.335 GB/s	76.8 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

Intel HD Graphics (Sandy Bridge) (650 - 950 MHz)

no data

Peripherals

Specifications and connection of peripherals supported by Celeron B840 and Core i5-12400F.

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

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.

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Pros & cons summary

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Performance score	0.61	12.29
Recency	1 July 2011	4 January 2022
Physical cores	2	6
Threads	2	12
Power consumption (TDP)	35 Watt	65 Watt

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Should you still have questions on choice between Celeron B840 and Core i5-12400F, ask them in Comments section, and we shall answer.

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