Xeon E6540 vs E5-2620

Primary details

Comparing Xeon E5-2620 and Xeon E6540 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1586	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.73	no data
Market segment	Server	Server
Power efficiency	3.30	no data
Architecture codename	Sandy Bridge-EP (2012)	no data
Release date	6 March 2012 (12 years ago)	1 January 2010 (14 years ago)
Launch price (MSRP)	$36	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E5-2620 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	6 (Hexa-Core)	6 (Hexa-Core)
Threads	12	12
Base clock speed	2 GHz	2 GHz
Boost clock speed	2.5 GHz	2.27 GHz
Bus rate	7.2 GT/s	no data
L1 cache	64 KB (per core)	no data
L2 cache	256 KB (per core)	no data
L3 cache	15360 KB (shared)	18 MB L3 Cache
Chip lithography	32 nm	45 nm
Die size	435 mm2	no data
Maximum core temperature	77 °C	no data
Number of transistors	2,270 million	no data
64 bit support	+	-
Windows 11 compatibility	-	-

Compatibility

Information on Xeon E5-2620 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	no data
Socket	FCLGA2011	FCLGA1567
Power consumption (TDP)	95 Watt	105 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2620 and Xeon E6540. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX	no data
AES-NI	+	-
AVX	+	-
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	1.0	1.0
Hyper-Threading Technology	+	+
Idle States	+	no data
Thermal Monitoring	+	-
Flex Memory Access	-	no data
Demand Based Switching	+	no data

Security technologies

Xeon E5-2620 and Xeon E6540 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2620 and Xeon E6540 are enumerated here.

VT-d	+	no data
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2620 and Xeon E6540. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	no data
Maximum memory size	384 GB	no data
Max memory channels	4	no data
Maximum memory bandwidth	42.6 GB/s	no data
ECC memory support	+	-

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2620 and Xeon E6540.

PCIe version	3.0	no data
PCI Express lanes	40	no data

Pros & cons summary

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Recency	6 March 2012	1 January 2010
Chip lithography	32 nm	45 nm
Power consumption (TDP)	95 Watt	105 Watt

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