Xeon E7540 vs E7-4850

Primary details

Comparing Xeon E7-4850 and Xeon E7540 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	1032
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Series	Intel Xeon E7	no data
Power efficiency	no data	5.89
Architecture codename	Westmere (2010−2011)	no data
Release date	5 April 2011 (13 years ago)	1 January 2010 (14 years ago)
Launch price (MSRP)	$2,837	no data

Detailed specifications

Xeon E7-4850 and Xeon E7540 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	10 (Deca-Core)	6 (Hexa-Core)
Threads	20	12
Base clock speed	2 GHz	2 GHz
Boost clock speed	2.4 GHz	2.27 GHz
Bus type	QPI	no data
Bus rate	6.4 GT/s	no data
Multiplier	15	no data
L1 cache	640 KB	no data
L2 cache	2.56 MB	no data
L3 cache	24 MB	18 MB L3 Cache
Chip lithography	32 nm	45 nm
Die size	513 mm2	no data
Maximum core temperature	69 °C	64 °C
Number of transistors	2600 Million	no data
64 bit support	+	-
Windows 11 compatibility	-	-

Compatibility

Information on Xeon E7-4850 and Xeon E7540 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	4 (Multiprocessor)	no data
Socket	LGA1567	FCLGA1567
Power consumption (TDP)	130 Watt	105 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E7-4850 and Xeon E7540. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	no data
AES-NI	+	-
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	1.0	1.0
Hyper-Threading Technology	+	+
Thermal Monitoring	+	-

Security technologies

Xeon E7-4850 and Xeon E7540 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 E7-4850 and Xeon E7540 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E7-4850 and Xeon E7540. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-800, DDR3-978, DDR3-1066, DDR3-1333, Speed-1066	no data
Maximum memory size	2 TB	no data
Max memory channels	4	no data
Maximum memory bandwidth	34.113 GB/s	no data
ECC memory support	+	-

Pros & cons summary

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Recency	5 April 2011	1 January 2010
Physical cores	10	6
Threads	20	12
Chip lithography	32 nm	45 nm
Power consumption (TDP)	130 Watt	105 Watt

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