Xeon L3426 vs X3440

Primary details

Comparing Xeon X3440 and Xeon L3426 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1900	1951
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.57	0.41
Market segment	Server	Server
Release date	1 July 2009 (14 years ago)	1 July 2009 (14 years ago)
Current price	$52	$129

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon X3440 has 39% better value for money than Xeon L3426.

Detailed specifications

Xeon X3440 and Xeon L3426 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)	4 (Quad-Core)
Threads	8	8
Base clock speed	2.53 GHz	1.86 GHz
Boost clock speed	2.93 GHz	3.2 GHz
L3 cache	8 MB Intel® Smart Cache	8 MB Intel® Smart Cache
Chip lithography	45 nm	45 nm
Maximum core temperature	73 °C	58 °C
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Xeon X3440 and Xeon L3426 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	1
Socket	FCLGA1156,LGA1156	FCLGA1156,LGA1156
Power consumption (TDP)	95 Watt	45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon X3440 and Xeon L3426. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2	Intel® SSE4.2
AES-NI	-	-
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	1.0	1.0
Hyper-Threading Technology	+	+
Idle States	+	+
Thermal Monitoring	-	-
Demand Based Switching	+	+
PAE	36 Bit	36 Bit
Status	Discontinued	Discontinued

Security technologies

Xeon X3440 and Xeon L3426 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 L3426 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon X3440 and Xeon L3426. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-800, DDR3-1066, DDR3-1333	DDR3-800, DDR3-1066, DDR3-1333
Maximum memory size	32 GB	32 GB
Max memory channels	2	2
Maximum memory bandwidth	21 GB/s	21 GB/s
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon X3440 and Xeon L3426.

PCIe version	2.0	2.0
PCI Express lanes	16	16

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

X3440 outperforms L3426 by 7% based on our aggregated benchmark results.

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Pros & cons summary

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Performance score	1.79	1.67
Power consumption (TDP)	95 Watt	45 Watt

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Should you still have questions on choice between Xeon X3440 and Xeon L3426, ask them in Comments section, and we shall answer.

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