Xeon L5640 vs L5618

Primary details

Comparing Xeon L5618 and Xeon L5640 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	not rated	1572
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	0.27
Market segment	Server	Server
Architecture codename	Westmere-EP (2010−2011)	Westmere-EP (2010−2011)
Release date	16 March 2010 (14 years ago)	16 March 2010 (14 years ago)
Launch price (MSRP)	no data	$200
Current price	$29	$768 (3.8x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon L5618 and Xeon L5640 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)	6 (Hexa-Core)
Threads	8	12
Base clock speed	1.87 GHz	2.26 GHz
Boost clock speed	2.26 GHz	2.8 GHz
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	256 KB (per core)	256 KB (per core)
L3 cache	12 MB (shared)	12 MB (shared)
Chip lithography	32 nm	32 nm
Die size	239 mm2	239 mm2
Maximum core temperature	87 °C	69 °C
Number of transistors	1,170 million	1,170 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Xeon L5618 and Xeon L5640 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	2
Socket	FCLGA1366,LGA1366	FCLGA1366,LGA1366
Power consumption (TDP)	40 Watt	60 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon L5618 and Xeon L5640. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE4.2
AES-NI	+	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	1.0	1.0
Hyper-Threading Technology	+	+
Idle States	+	+
Thermal Monitoring	no data	-
Demand Based Switching	no data	+
PAE	no data	40 Bit
Status	Discontinued	Discontinued

Security technologies

Xeon L5618 and Xeon L5640 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon L5618 and Xeon L5640 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon L5618 and Xeon L5640. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3
Maximum memory size	no data	288 GB
Max memory channels	no data	3
Maximum memory bandwidth	no data	32 GB/s
ECC memory support	no data	+

Peripherals

Specifications and connection of peripherals supported by Xeon L5618 and Xeon L5640.

PCIe version

2.0

2.0

Pros & cons summary

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Physical cores	4	6
Threads	8	12
Power consumption (TDP)	40 Watt	60 Watt

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