Core i5-520E vs Core 2 Duo P8700

Primary details

Comparing Core 2 Duo P8700 and Core i5-520E processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2790	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Core 2 Duo	Intel Core i5
Power efficiency	2.27	no data
Architecture codename	Penryn (2008−2011)	Westmere (2010−2011)
Release date	1 January 2009 (15 years ago)	7 January 2010 (14 years ago)
Launch price (MSRP)	$209	$210

Detailed specifications

Core 2 Duo P8700 and Core i5-520E 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	2.53 GHz	no data
Boost clock speed	2.53 GHz	2.4 GHz
Bus type	no data	DMI 1.0
Bus rate	1066 MHz	1 × 2.5 GT/s
Multiplier	no data	18
L1 cache	no data	128 KB
L2 cache	3 MB	512 KB
L3 cache	3 MB L2 Cache	3 MB
Chip lithography	45 nm	32 nm
Die size	107 mm2	81 mm2
Maximum core temperature	105 °C	no data
Number of transistors	410 Million	382 Million
64 bit support	+	+
Windows 11 compatibility	-	-
VID voltage range	1V - 1.25V	no data

Compatibility

Information on Core 2 Duo P8700 and Core i5-520E 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	no data	1 (Uniprocessor)
Socket	BGA479,PGA478	no data
Power consumption (TDP)	25 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo P8700 and Core i5-520E. You'll probably need this information if you require some particular technology.

AES-NI	-	+
FMA	-	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
Idle States	+	no data
Demand Based Switching	-	no data
FSB parity	-	no data

Security technologies

Core 2 Duo P8700 and Core i5-520E technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo P8700 and Core i5-520E are enumerated here.

VT-d	no data	+
VT-x	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo P8700 and Core i5-520E. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	no data	DDR3-1066
Maximum memory size	no data	8 GB
Max memory channels	no data	2
Maximum memory bandwidth	no data	17.051 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

Intel HD Graphics (Ironlake)

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo P8700 and Core i5-520E.

PCIe version	no data	2.0
PCI Express lanes	no data	16

Pros & cons summary

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Recency	1 January 2009	7 January 2010
Threads	2	4
Chip lithography	45 nm	32 nm
Power consumption (TDP)	25 Watt	35 Watt

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Should you still have questions on choice between Core 2 Duo P8700 and Core i5-520E, ask them in Comments section, and we shall answer.

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