i5-10400F vs Atom C3850

Primary details

Comparing Atom C3850 and Core i5-10400F processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	917
Place by popularity	not in top-100	12
Cost-effectiveness evaluation	no data	23.08
Market segment	Server	Desktop processor
Series	Intel Atom	no data
Power efficiency	no data	11.94
Architecture codename	Goldmont (2016−2017)	Comet Lake (2020)
Release date	15 August 2017 (7 years ago)	30 April 2020 (4 years ago)
Launch price (MSRP)	$323	$155

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Atom C3850 and Core i5-10400F 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	12 (Dodeca-Core)	6 (Hexa-Core)
Threads	12	12
Base clock speed	2.1 GHz	2.9 GHz
Boost clock speed	2.4 GHz	4.3 GHz
Bus rate	no data	8 GT/s
Multiplier	21	no data
L1 cache	672 KB	64K (per core)
L2 cache	12 MB	256K (per core)
L3 cache	12 MB	12 MB (shared)
Chip lithography	14 nm	14 nm
Maximum core temperature	78 °C	100 °C
Maximum case temperature (TCase)	no data	72 °C
64 bit support	+	+
Windows 11 compatibility	-	+

Compatibility

Information on Atom C3850 and Core i5-10400F 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	FCBGA1310	FCLGA1200
Power consumption (TDP)	25 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom C3850 and Core i5-10400F. 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)	+	+
QuickAssist	-	no data
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	-	+
Idle States	no data	+
Thermal Monitoring	-	+
Turbo Boost Max 3.0	no data	-

Security technologies

Atom C3850 and Core i5-10400F technologies aimed at improving security, for example, by protecting against hacks.

TXT	no data	+
EDB	+	+
Secure Boot	+	no data
Secure Key	+	+
Identity Protection	-	+
SGX	-	Yes with Intel® ME
OS Guard	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Atom C3850 and Core i5-10400F are enumerated here.

VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom C3850 and Core i5-10400F. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4: 2400	DDR4
Maximum memory size	256 GB	128 GB
Max memory channels	2	2
Maximum memory bandwidth	34.134 GB/s	41.6 GB/s
ECC memory support	+	-

Peripherals

Specifications and connection of peripherals supported by Atom C3850 and Core i5-10400F.

PCIe version	3	3.0
PCI Express lanes	16	16
USB revision	3	no data
Total number of SATA ports	16	no data
Max number of SATA 6 Gb/s Ports	16	no data
Number of USB ports	8	no data
Integrated LAN	2x10/2.5/1 GBE	no data

Pros & cons summary

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Recency	15 August 2017	30 April 2020
Physical cores	12	6
Power consumption (TDP)	25 Watt	65 Watt

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Should you still have questions on choice between Atom C3850 and Core i5-10400F, ask them in Comments section, and we shall answer.

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