Celeron G3900T vs Core i5-8400T

Primary details

Comparing Core i5-8400T and Celeron G3900T processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1229	2222
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	5.66	no data
Market segment	Desktop processor	Laptop
Series	Intel Core i5	Intel Celeron
Architecture codename	Coffee Lake (2017−2019)	Skylake (2015−2016)
Release date	2 April 2018 (6 years ago)	19 October 2015 (8 years ago)
Launch price (MSRP)	$182	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i5-8400T and Celeron G3900T 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)	2 (Dual-core)
Threads	6	2
Base clock speed	1.7 GHz	no data
Boost clock speed	1.7 GHz	2.6 GHz
Bus support	4 × 8 GT/s	4 × 8 GT/s
L1 cache	384 KB	128 KB
L2 cache	1.5 MB	512 KB
L3 cache	9 MB (shared)	2 MB
Chip lithography	14 nm	14 nm
Die size	149 mm2	98.57 mm2
Maximum case temperature (TCase)	72 °C	no data
64 bit support	+	+
Windows 11 compatibility	+	-
Unlocked multiplier	No	No

Compatibility

Information on Core i5-8400T and Celeron G3900T 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 (Uniprocessor)
Socket	1151	LGA-1151
Power consumption (TDP)	35 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-8400T and Celeron G3900T. You'll probably need this information if you require some particular technology.

AES-NI	+	+
AVX	+	+
Enhanced SpeedStep (EIST)	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-8400T and Celeron G3900T are enumerated here.

VT-d	+	+
VT-x	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-8400T and Celeron G3900T. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4 Dual-channel	DDR3L-1600
Maximum memory size	64 GB	64 GB
Max memory channels	2	2
Maximum memory bandwidth	42.671 GB/s	34.134 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare

Intel UHD Graphics 630

Intel HD Graphics 510

Peripherals

Specifications and connection of peripherals supported by Core i5-8400T and Celeron G3900T.

PCIe version	3.0	3.0
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	4.80	1.31
Integrated graphics card	3.09	1.37
Recency	2 April 2018	19 October 2015
Physical cores	6	2
Threads	6	2

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Should you still have questions on choice between Core i5-8400T and Celeron G3900T, ask them in Comments section, and we shall answer.

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