E2-1800 vs EPYC 7551

Primary details

Comparing EPYC 7551 and E2-1800 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	Desktop processor
Series	AMD EPYC	AMD E-Series
Power efficiency	8.59	no data
Architecture codename	Naples (2017−2018)	Zacate (2011−2013)
Release date	29 June 2017 (7 years ago)	6 June 2012 (12 years ago)
Launch price (MSRP)	$3,400	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

EPYC 7551 and E2-1800 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)	2 (Dual-core)
Threads	64	2
Base clock speed	2 GHz	no data
Boost clock speed	3 GHz	1.7 GHz
Multiplier	20	no data
L1 cache	96K (per core)	64K (per core)
L2 cache	512K (per core)	512K (per core)
L3 cache	64 MB (shared)	0 KB
Chip lithography	14 nm	40 nm
Die size	192 mm2	75 mm2
Maximum case temperature (TCase)	no data	100 °C
Number of transistors	4,800 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	+	-

Compatibility

Information on EPYC 7551 and E2-1800 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)	1
Socket	TR4	FT1 BGA 413-Ball
Power consumption (TDP)	180 Watt	18 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 7551 and E2-1800. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	MMX(+), SSE(1,2,3,3S,4A), AMD-V
AES-NI	+	-
AVX	+	-
PowerNow	-	+

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 7551 and E2-1800 are enumerated here.

AMD-V

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 7551 and E2-1800. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4 Eight-channel	DDR3
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	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

AMD Radeon HD 7340

Peripherals

Specifications and connection of peripherals supported by EPYC 7551 and E2-1800.

PCIe version	3.0	no data
PCI Express lanes	128	no data

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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Pros & cons summary

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Recency	29 June 2017	6 June 2012
Physical cores	32	2
Threads	64	2
Chip lithography	14 nm	40 nm
Power consumption (TDP)	180 Watt	18 Watt

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