Core 2 Duo T6570 vs Xeon L5520

Primary details

Comparing Xeon L5520 and Core 2 Duo T6570 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2183	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.58	no data
Market segment	Server	Laptop
Series	no data	Intel Core 2 Duo
Power efficiency	2.26	no data
Architecture codename	Gainestown (2009−2010)	Penryn (2008−2011)
Release date	30 March 2009 (15 years ago)	1 January 2009 (15 years ago)
Launch price (MSRP)	$100	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon L5520 and Core 2 Duo T6570 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	2
Base clock speed	2.26 GHz	2.1 GHz
Boost clock speed	2.48 GHz	2.1 GHz
Bus rate	no data	800 MHz
L1 cache	64 KB (per core)	no data
L2 cache	256 KB (per core)	2 MB
L3 cache	8 MB (shared)	2 MB
Chip lithography	45 nm	45 nm
Die size	263 mm2	107 mm2
Maximum core temperature	70 °C	100 °C
Number of transistors	731 million	410 Million
64 bit support	+	+
Windows 11 compatibility	-	-
VID voltage range	no data	1V-1.25V

Compatibility

Information on Xeon L5520 and Core 2 Duo T6570 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	2	no data
Socket	FCLGA1366	PGA478
Power consumption (TDP)	60 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon L5520 and Core 2 Duo T6570. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	1.0	-
Hyper-Threading Technology	+	no data
Idle States	+	no data
Demand Based Switching	+	no data
PAE	40 Bit	no data

Security technologies

Xeon L5520 and Core 2 Duo T6570 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 L5520 and Core 2 Duo T6570 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon L5520 and Core 2 Duo T6570. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	no data
Maximum memory size	144 GB	no data
Max memory channels	3	no data
Maximum memory bandwidth	25.6 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

N/A

no data

Peripherals

Specifications and connection of peripherals supported by Xeon L5520 and Core 2 Duo T6570.

PCIe version

2.0

no data

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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Pros & cons summary

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Recency	30 March 2009	1 January 2009
Physical cores	4	2
Threads	8	2
Power consumption (TDP)	60 Watt	35 Watt

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Should you still have questions on choice between Xeon L5520 and Core 2 Duo T6570, ask them in Comments section, and we shall answer.

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