EPYC Embedded 3101 vs Xeon E5-2678 v3

Primary details

Comparing Xeon E5-2678 v3 and EPYC Embedded 3101 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	821	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Series	Xeon	AMD EPYC Embedded
Power efficiency	7.31	no data
Architecture codename	Haswell (2013−2015)	Zen (2017−2020)
Release date	2015 (9 years ago)	21 February 2018 (6 years ago)

Detailed specifications

Xeon E5-2678 v3 and EPYC Embedded 3101 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)	4 (Quad-Core)
Threads	24	4
Base clock speed	2.5 GHz	2.1 GHz
Boost clock speed	3.3 GHz	2.1 GHz
Multiplier	no data	21
L1 cache	384 KB	384 KB
L2 cache	3072 KB	2 MB
L3 cache	30 MB	8 MB (shared)
Chip lithography	22 nm	14 nm
Die size	356 mm2	213 mm2
Maximum case temperature (TCase)	84 °C	no data
Number of transistors	5,560 million	4800 Million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Xeon E5-2678 v3 and EPYC Embedded 3101 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	2	1 (Uniprocessor)
Socket	LGA2011-3	AMD BGA SP4r2
Power consumption (TDP)	120 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2678 v3 and EPYC Embedded 3101. You'll probably need this information if you require some particular technology.

AES-NI	+	+
AVX	+	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	no data
TSX	+	-

Security technologies

Xeon E5-2678 v3 and EPYC Embedded 3101 technologies aimed at improving security, for example, by protecting against hacks.

TXT

+

no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2678 v3 and EPYC Embedded 3101 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2678 v3 and EPYC Embedded 3101. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3, DDR4	DDR4-2666
Maximum memory size	no data	512 GB
Max memory channels	no data	2
Maximum memory bandwidth	no data	42.671 GB/s
ECC memory support	-	+

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2678 v3 and EPYC Embedded 3101.

PCIe version	3.0	3.0
PCI Express lanes	40	32

Pros & cons summary

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Physical cores	12	4
Threads	24	4
Chip lithography	22 nm	14 nm
Power consumption (TDP)	120 Watt	35 Watt

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