EPYC Embedded 3451 vs Xeon D-2166NT

Primary details

Comparing Xeon D-2166NT and EPYC Embedded 3451 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	795	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	7.83	no data
Market segment	Server	Server
Series	Intel Xeon D	AMD EPYC Embedded
Power efficiency	10.59	no data
Architecture codename	Skylake (server) (2017−2019)	Zen (2017−2020)
Release date	7 February 2018 (6 years ago)	21 February 2018 (6 years ago)
Launch price (MSRP)	$1,005	$880

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon D-2166NT 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	12 (Dodeca-Core)	16 (Hexadeca-Core)
Threads	24	32
Base clock speed	2 GHz	2.15 GHz
Boost clock speed	3 GHz	3 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	no data
Multiplier	20	21.5
L1 cache	768 KB	96K (per core)
L2 cache	12 MB	512K (per core)
L3 cache	16.5 MB	32 MB (shared)
Chip lithography	14 nm	14 nm
Die size	no data	2x 213 mm2
Number of transistors	no data	4,800 million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Xeon D-2166NT 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	FCBGA2518	AMD BGA SP4r2
Power consumption (TDP)	85 Watt	100 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon D-2166NT and EPYC Embedded 3451. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX2, Intel® AVX-512	no data
AES-NI	+	+
AVX	+	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	no data
QuickAssist	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	-
Idle States	+	no data
Thermal Monitoring	+	-
Turbo Boost Max 3.0	-	no data

Security technologies

Xeon D-2166NT and EPYC Embedded 3451 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data
Secure Key	+	no data
MPX	+	-
SGX	-	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon D-2166NT 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 Xeon D-2166NT and EPYC Embedded 3451. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR4-2666
Maximum memory size	512 GB	1 TiB
Max memory channels	4	4
Maximum memory bandwidth	85.33 GB/s	85.33 GB/s
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon D-2166NT and EPYC Embedded 3451.

PCIe version	3.0	3.0
PCI Express lanes	32	64

Pros & cons summary

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Physical cores	12	16
Threads	24	32
Power consumption (TDP)	85 Watt	100 Watt

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Should you still have questions on choice between Xeon D-2166NT and EPYC Embedded 3451, ask them in Comments section, and we shall answer.

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