Xeon E7-4890 v3 vs EPYC 7551

Primary details

Comparing EPYC 7551 and Xeon E7-4890 v3 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	450	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	19.43	no data
Market segment	Server	Server
Series	AMD EPYC	no data
Architecture codename	Naples (2017−2018)	Haswell-EX (2015)
Release date	20 June 2017 (6 years ago)	1 June 2015 (8 years ago)
Launch price (MSRP)	$3,400	no data
Current price	$252 (0.1x MSRP)	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

EPYC 7551 and Xeon E7-4890 v3 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)	18 (Octadeca-Core)
Threads	64	36
Base clock speed	2 GHz	2.5 GHz
Boost clock speed	2 GHz	2.5 GHz
L1 cache	3 MB	64 KB (per core)
L2 cache	16 MB	256 KB (per core)
L3 cache	64 MB (shared)	45 MB (shared)
Chip lithography	14 nm	22 nm
Die size	213 mm2	160 mm2
Number of transistors	19200 Million	1,400 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	Yes	No

Compatibility

Information on EPYC 7551 and Xeon E7-4890 v3 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)	4
Socket	TR4	1150
Power consumption (TDP)	180 Watt	165 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 7551 and Xeon E7-4890 v3. You'll probably need this information if you require some particular technology.

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

Security technologies

EPYC 7551 and Xeon E7-4890 v3 technologies aimed at improving security, for example, by protecting against hacks.

TXT

no data

+

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 7551 and Xeon E7-4890 v3 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 7551 and Xeon E7-4890 v3. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4 Eight-channel	DDR3, DDR4
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	+	no data

Peripherals

Specifications and connection of peripherals supported by EPYC 7551 and Xeon E7-4890 v3.

PCIe version	3.0	3.0
PCI Express lanes	128	no data

Pros & cons summary

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Recency	20 June 2017	1 June 2015
Physical cores	32	18
Threads	64	36
Chip lithography	14 nm	22 nm
Power consumption (TDP)	180 Watt	165 Watt

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Should you still have questions on choice between EPYC 7551 and Xeon E7-4890 v3, ask them in Comments section, and we shall answer.

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