Atom C3958 vs Core i5-8365U

Primary details

Comparing Core i5-8365U and Atom C3958 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1386	1633
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	0.54
Market segment	Laptop	Server
Series	Intel Core i5	Intel Atom
Architecture codename	Whiskey Lake-U (2018−2019)	Goldmont (2016−2017)
Release date	16 April 2019 (5 years ago)	15 August 2017 (6 years ago)
Launch price (MSRP)	$297	$449

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i5-8365U and Atom C3958 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	4 (Quad-Core)	16 (Hexadeca-Core)
Threads	8	16
Base clock speed	1.6 GHz	no data
Boost clock speed	1.6 GHz	2 GHz
Bus support	4 GT/s	no data
L1 cache	256 KB	896 KB
L2 cache	1 MB	16 MB
L3 cache	6 MB	no data
Chip lithography	14 nm	14 nm
Maximum core temperature	100 °C	83 °C
64 bit support	+	+
Windows 11 compatibility	+	-
Unlocked multiplier	No	No

Compatibility

Information on Core i5-8365U and Atom C3958 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	BGA1528	no data
Power consumption (TDP)	15 Watt	31 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-8365U and Atom C3958. You'll probably need this information if you require some particular technology.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-8365U and Atom C3958 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-8365U and Atom C3958. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR3L-1600
Maximum memory size	32 GB	256 GB
Max memory channels	2	2
Maximum memory bandwidth	38.397 GB/s	38.397 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

Intel UHD Graphics 620

no data

Peripherals

Specifications and connection of peripherals supported by Core i5-8365U and Atom C3958.

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.

Core i5-8365U outperforms Atom C3958 by 43% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	3.95	2.77
Recency	16 April 2019	15 August 2017
Physical cores	4	16
Threads	8	16
Power consumption (TDP)	15 Watt	31 Watt

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Should you still have questions on choice between Core i5-8365U and Atom C3958, ask them in Comments section, and we shall answer.

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