Xeon L3406 vs Core 2 Duo E6750

Place in the ranking	2775	2821
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Server
Power efficiency	0.93	1.83
Architecture codename	Conroe (2006−2007)	no data
Release date	July 2007 (17 years ago)	1 January 2010 (14 years ago)

Detailed specifications

Core 2 Duo E6750 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	2 (Dual-core)	2 (Dual-core)
Threads	2	4
Base clock speed	2.66 GHz	2.26 GHz
Boost clock speed	2.67 GHz	2.53 GHz
Bus rate	1333 MHz	no data
L1 cache	64 KB	no data
L2 cache	4 MB	no data
L3 cache	0 KB	4 MB Intel® Smart Cache
Chip lithography	65 nm	32 nm
Die size	143 mm²	no data
Maximum core temperature	72 °C	54 °C
Number of transistors	291 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-
VID voltage range	0.85V-1.5V	no data

Compatibility

Information on Core 2 Duo E6750 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	PLGA775	FCLGA1156
Power consumption (TDP)	65 Watt	30 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo E6750 and Xeon L3406. You'll probably need this information if you require some particular technology.

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

Security technologies

Core 2 Duo E6750 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 Core 2 Duo E6750 and Xeon L3406 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo E6750 and Xeon L3406. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR1, DDR2, DDR3	DDR3-1066
Maximum memory size	no data	16.38 GB
Max memory channels	no data	2
Maximum memory bandwidth	no data	17 GB/s
ECC memory support	-	+

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo E6750 and Xeon L3406.

PCIe version	no data	2.0
PCI Express lanes	no data	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.

Core 2 Duo E6750 0.64
+10.3%

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.

Core 2 Duo E6750 1014
+9.3%

Xeon L3406 928