Xeon L3406 vs L3426

Place in the ranking	2109	2802
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Power efficiency	3.26	1.83
Release date	1 July 2009 (15 years ago)	1 January 2010 (14 years ago)

Detailed specifications

Xeon L3426 and Xeon L3406 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)	2 (Dual-core)
Threads	8	4
Base clock speed	1.86 GHz	2.26 GHz
Boost clock speed	3.2 GHz	2.53 GHz
L3 cache	8 MB Intel® Smart Cache	4 MB Intel® Smart Cache
Chip lithography	45 nm	32 nm
Maximum core temperature	58 °C	54 °C
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Xeon L3426 and Xeon L3406 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
Power consumption (TDP)	45 Watt	30 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon L3426 and Xeon L3406. You'll probably need this information if you require some particular technology.

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

Security technologies

Xeon L3426 and Xeon L3406 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon L3426 and Xeon L3406 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon L3426 and Xeon L3406. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-800, DDR3-1066, DDR3-1333	DDR3-1066
Maximum memory size	32 GB	16.38 GB
Max memory channels	2	2
Maximum memory bandwidth	21 GB/s	17 GB/s
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon L3426 and Xeon L3406.

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.

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.

Xeon L3426 1.55
+167%

Xeon L3406 0.58

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Xeon L3426 2470
+166%

Xeon L3406 928

Gaming performance

Pros & cons summary

Performance score	1.55	0.58
Recency	1 July 2009	1 January 2010
Physical cores	4	2
Threads	8	4
Chip lithography	45 nm	32 nm
Power consumption (TDP)	45 Watt	30 Watt