Core i5-520E vs Pentium E5800

Primary details

Comparing Pentium E5800 and Core i5-520E processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2557	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	5.38	no data
Market segment	Desktop processor	Laptop
Series	no data	Intel Core i5
Architecture codename	Wolfdale (2008−2010)	Westmere (2010−2011)
Release date	28 November 2010 (13 years ago)	7 January 2010 (14 years ago)
Launch price (MSRP)	$68	$210
Current price	$66 (1x MSRP)	$2235 (10.6x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Pentium E5800 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	3.2 GHz	no data
Boost clock speed	3.2 GHz	2.4 GHz
Bus support	no data	1 × 2.5 GT/s
L1 cache	64 KB (per core)	128 KB
L2 cache	2 MB (shared)	512 KB
L3 cache	0 KB	3 MB
Chip lithography	45 nm	32 nm
Die size	82 mm2	81 mm2
Maximum core temperature	74 °C	no data
Number of transistors	228 million	382 Million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No
VID voltage range	0.85V-1.3625V	no data

Compatibility

Information on Pentium E5800 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	1	1 (Uniprocessor)
Socket	LGA775	no data
Power consumption (TDP)	65 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium E5800 and Core i5-520E. You'll probably need this information if you require some particular technology.

AES-NI	-	+
FMA	no data	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
Idle States	+	no data
Thermal Monitoring	+	no data
Demand Based Switching	-	no data
Status	Discontinued	no data

Security technologies

Pentium E5800 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 Pentium E5800 and Core i5-520E are enumerated here.

VT-d	-	+
VT-x	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium E5800 and Core i5-520E. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR1, DDR2, DDR3	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	no data	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

Intel HD Graphics

Peripherals

Specifications and connection of peripherals supported by Pentium E5800 and Core i5-520E.

PCIe version	2.0	2.0
PCI Express lanes	no data	16

Pros & cons summary

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Recency	28 November 2010	7 January 2010
Threads	2	4
Cost	$68	$210
Chip lithography	45 nm	32 nm
Power consumption (TDP)	65 Watt	35 Watt

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Should you still have questions on choice between Pentium E5800 and Core i5-520E, ask them in Comments section, and we shall answer.

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