Xeon D-1581 vs E5-1620 v4

Primary details

Comparing Xeon E5-1620 v4 and Xeon D-1581 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1255	882
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	3.46	no data
Market segment	Server	Server
Series	Intel Xeon E5	Intel Xeon D
Architecture codename	Broadwell-EP (2016)	Broadwell (2014−2019)
Release date	20 June 2016 (8 years ago)	24 February 2016 (8 years ago)
Launch price (MSRP)	$294	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E5-1620 v4 and Xeon D-1581 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	4 (Quad-Core)	16 (Hexadeca-Core)
Threads	8	32
Base clock speed	3.5 GHz	1.8 GHz
Boost clock speed	3.8 GHz	2.4 GHz
Bus type	DMI 2.0	DMI 2.0
Bus rate	5 GT/s	no data
Multiplier	35	18
L1 cache	64K (per core)	1 MB
L2 cache	1 MB	4 MB
L3 cache	10 MB (shared)	24 MB
Chip lithography	14 nm	14 nm
Die size	246.24 mm2	306.18 mm2
Maximum case temperature (TCase)	69 °C	80 °C
Number of transistors	3200 Million	4700 Million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Xeon E5-1620 v4 and Xeon D-1581 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	FCLGA2011	FCBGA1667
Power consumption (TDP)	140 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-1620 v4 and Xeon D-1581. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX2	Intel® AVX2
AES-NI	+	+
AVX	+	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	+
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	-	no data
Demand Based Switching	+	no data
PAE	46 Bit	no data
GPIO	no data	+
Turbo Boost Max 3.0	-	no data
Status	Discontinued	Launched

Security technologies

Xeon E5-1620 v4 and Xeon D-1581 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Secure Key	+	+
Identity Protection	+	-
OS Guard	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-1620 v4 and Xeon D-1581 are enumerated here.

VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-1620 v4 and Xeon D-1581. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-1600, DDR4-1866, DDR4-2133, DDR4-2400	DDR4, DDR3
Maximum memory size	1.5 TB	128 GB
Max memory channels	4	2
Maximum memory bandwidth	76.8 GB/s	34.124 GB/s
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon E5-1620 v4 and Xeon D-1581.

PCIe version	3.0	2.0/3.0
PCI Express lanes	40	24
USB revision	no data	2.0/3.0
Total number of SATA ports	no data	6
Number of USB ports	no data	8
Integrated LAN	no data	+
UART	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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Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Pros & cons summary

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Performance score	4.77	8.59
Recency	20 June 2016	24 February 2016
Physical cores	4	16
Threads	8	32
Power consumption (TDP)	140 Watt	65 Watt

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Should you still have questions on choice between Xeon E5-1620 v4 and Xeon D-1581, ask them in Comments section, and we shall answer.

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