Xeon X7542 vs EPYC 7551

Primary details

Comparing EPYC 7551 and Xeon X7542 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	401	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.23	no data
Market segment	Server	Server
Series	AMD EPYC	no data
Power efficiency	8.59	no data
Architecture codename	Naples (2017−2018)	no data
Release date	20 June 2017 (7 years ago)	1 January 2010 (14 years ago)
Launch price (MSRP)	$3,400	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

EPYC 7551 and Xeon X7542 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	32 (Dotriaconta-Core)	no data
Threads	64	no data
Base clock speed	2 GHz	2.67 GHz
Boost clock speed	2 GHz	2.8 GHz
Multiplier	20	no data
L1 cache	3 MB	no data
L2 cache	16 MB	no data
L3 cache	64 MB (shared)	18 MB L3 Cache
Chip lithography	14 nm	45 nm
Die size	213 mm2	no data
Maximum core temperature	no data	69 °C
Number of transistors	19200 Million	no data
64 bit support	+	-
Windows 11 compatibility	-	-
Unlocked multiplier	+	-

Compatibility

Information on EPYC 7551 and Xeon X7542 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 (Multiprocessor)	no data
Socket	TR4	FCLGA1567
Power consumption (TDP)	180 Watt	130 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 7551 and Xeon X7542. You'll probably need this information if you require some particular technology.

AES-NI	+	-
AVX	+	-
Enhanced SpeedStep (EIST)	no data	+
Turbo Boost Technology	no data	1.0

Security technologies

EPYC 7551 and Xeon X7542 technologies aimed at improving security, for example, by protecting against hacks.

EDB

no data

+

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 7551 and Xeon X7542 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 7551 and Xeon X7542. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4 Eight-channel	no data
Maximum memory size	2 TiB	no data
Max memory channels	8	no data
Maximum memory bandwidth	170.671 GB/s	no data
ECC memory support	+	-

Peripherals

Specifications and connection of peripherals supported by EPYC 7551 and Xeon X7542.

PCIe version	3.0	no data
PCI Express lanes	128	no data

Pros & cons summary

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Recency	20 June 2017	1 January 2010
Chip lithography	14 nm	45 nm
Power consumption (TDP)	180 Watt	130 Watt

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