Xeon E6540 vs E5-2686 v4

Primary details

Comparing Xeon E5-2686 v4 and Xeon E6540 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	595	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Series	Intel Xeon E5	no data
Power efficiency	8.33	no data
Architecture codename	Broadwell (2015−2019)	no data
Release date	20 June 2016 (8 years ago)	1 January 2010 (14 years ago)

Detailed specifications

Xeon E5-2686 v4 and Xeon E6540 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	18 (Octadeca-Core)	6 (Hexa-Core)
Threads	36	12
Base clock speed	2.3 GHz	2 GHz
Boost clock speed	3 GHz	2.27 GHz
Bus type	QPI	no data
Bus rate	2 × 9.6 GT/s	no data
Multiplier	23	no data
L2 cache	4.5 MB	no data
L3 cache	45 MB	18 MB L3 Cache
Chip lithography	14 nm	45 nm
Die size	456.12 mm2	no data
Number of transistors	7200 Million	no data
64 bit support	+	-
Windows 11 compatibility	-	-

Compatibility

Information on Xeon E5-2686 v4 and Xeon E6540 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	no data	FCLGA1567
Power consumption (TDP)	145 Watt	105 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2686 v4 and Xeon E6540. You'll probably need this information if you require some particular technology.

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

Security technologies

Xeon E5-2686 v4 and Xeon E6540 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2686 v4 and Xeon E6540 are enumerated here.

VT-x	no data	+
EPT	no data	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2686 v4 and Xeon E6540. Depending on the motherboard, higher memory frequencies may be supported.

Maximum memory size

1,536 GB

no data

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2686 v4 and Xeon E6540.

PCIe version	3.0	no data
PCI Express lanes	40	no data

Pros & cons summary

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Recency	20 June 2016	1 January 2010
Physical cores	18	6
Threads	36	12
Chip lithography	14 nm	45 nm
Power consumption (TDP)	145 Watt	105 Watt

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