EPYC Embedded 3451 vs Atom C3758

Primary details

Comparing Atom C3758 and EPYC Embedded 3451 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1657	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.52	no data
Market segment	Server	Server
Series	Intel Atom	AMD EPYC Embedded
Power efficiency	10.98	no data
Architecture codename	Goldmont (2016−2017)	Zen (2017−2020)
Release date	15 August 2017 (7 years ago)	21 February 2018 (6 years ago)
Launch price (MSRP)	$193	$880

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Atom C3758 and EPYC Embedded 3451 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	8 (Octa-Core)	16 (Hexadeca-Core)
Threads	8	32
Base clock speed	2.2 GHz	2.15 GHz
Boost clock speed	2.2 GHz	3 GHz
Multiplier	22	21.5
L1 cache	448 KB	96K (per core)
L2 cache	16 MB	512K (per core)
L3 cache	16 MB	32 MB (shared)
Chip lithography	14 nm	14 nm
Die size	no data	2x 213 mm2
Maximum core temperature	82 °C	no data
Number of transistors	no data	4,800 million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Atom C3758 and EPYC Embedded 3451 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	FCBGA1310	AMD BGA SP4r2
Power consumption (TDP)	25 Watt	100 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom C3758 and EPYC Embedded 3451. You'll probably need this information if you require some particular technology.

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

Security technologies

Atom C3758 and EPYC Embedded 3451 technologies aimed at improving security, for example, by protecting against hacks.

EDB	+	no data
Secure Boot	+	no data
Secure Key	+	no data
SGX	-	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Atom C3758 and EPYC Embedded 3451 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom C3758 and EPYC Embedded 3451. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4: 2400	DDR4-2666
Maximum memory size	256 GB	1 TiB
Max memory channels	2	4
Maximum memory bandwidth	34.134 GB/s	85.33 GB/s
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Atom C3758 and EPYC Embedded 3451.

PCIe version	3	3.0
PCI Express lanes	16	64
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	4x10/2.5/1 GBE	no data

Pros & cons summary

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Recency	15 August 2017	21 February 2018
Physical cores	8	16
Threads	8	32
Power consumption (TDP)	25 Watt	100 Watt

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Should you still have questions on choice between Atom C3758 and EPYC Embedded 3451, ask them in Comments section, and we shall answer.

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