Xeon E7-2870 vs X3440

Primary details

Comparing Xeon X3440 and Xeon E7-2870 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2023	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Series	no data	Intel Xeon E7
Power efficiency	1.74	no data
Architecture codename	no data	Westmere (2010−2011)
Release date	1 July 2009 (15 years ago)	5 April 2011 (13 years ago)
Launch price (MSRP)	no data	$4,227

Detailed specifications

Xeon X3440 and Xeon E7-2870 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)	10 (Deca-Core)
Threads	8	20
Base clock speed	2.53 GHz	2.4 GHz
Boost clock speed	2.93 GHz	2.8 GHz
Bus type	no data	QPI
Bus rate	no data	6.4 GT/s
Multiplier	no data	18
L1 cache	no data	640 KB
L2 cache	no data	2.56 MB
L3 cache	8 MB Intel® Smart Cache	30 MB
Chip lithography	45 nm	32 nm
Die size	no data	513 mm2
Maximum core temperature	73 °C	69 °C
Number of transistors	no data	2600 Million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Xeon X3440 and Xeon E7-2870 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	2 (Multiprocessor)
Socket	FCLGA1156,LGA1156	LGA1567
Power consumption (TDP)	95 Watt	130 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon X3440 and Xeon E7-2870. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2	Intel® SSE4.1, Intel® SSE4.2
AES-NI	-	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	1.0	1.0
Hyper-Threading Technology	+	+
Idle States	+	no data
Thermal Monitoring	-	+
Demand Based Switching	+	no data
PAE	36 Bit	no data

Security technologies

Xeon X3440 and Xeon E7-2870 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon X3440 and Xeon E7-2870 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon X3440 and Xeon E7-2870. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-800, DDR3-1066, DDR3-1333	DDR3-800, DDR3-978, DDR3-1066, DDR3-1333, Speed-1066
Maximum memory size	32 GB	1 TB
Max memory channels	2	4
Maximum memory bandwidth	21 GB/s	34.113 GB/s
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon X3440 and Xeon E7-2870.

PCIe version	2.0	no data
PCI Express lanes	16	no data

Pros & cons summary

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Recency	1 July 2009	5 April 2011
Physical cores	4	10
Threads	8	20
Chip lithography	45 nm	32 nm
Power consumption (TDP)	95 Watt	130 Watt

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