Core i5-520M vs Core 2 Duo E7300

Primary details

Comparing Core 2 Duo E7300 and Core i5-520M processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2685	2299
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	3.11	no data
Market segment	Desktop processor	Laptop
Series	no data	Intel Core i5
Architecture codename	Wolfdale (2008−2010)	Arrandale (2010−2011)
Release date	August 2008 (15 years ago)	4 January 2010 (14 years ago)
Launch price (MSRP)	no data	$225
Current price	$26	$108 (0.5x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core 2 Duo E7300 and Core i5-520M 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	2.4 GHz
Boost clock speed	2.67 GHz	2.93 GHz
Bus support	no data	2500 MHz
L1 cache	64 KB	128 KB
L2 cache	3 MB (shared)	512 KB
L3 cache	0 KB	3 MB
Chip lithography	45 nm	32 nm
Die size	107 mm2	81+114 mm2
Maximum core temperature	74 °C	105 °C
Maximum case temperature (TCase)	74 °C	no data
Number of transistors	420 million	382+177 Million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No
VID voltage range	0.85V-1.3625V	no data

Compatibility

Information on Core 2 Duo E7300 and Core i5-520M 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	LGA775	BGA1288,PGA988
Power consumption (TDP)	65 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo E7300 and Core i5-520M. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE4.1, Intel® SSE4.2
AES-NI	-	+
FMA	no data	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	+
Hyper-Threading Technology	-	+
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	no data	+
Demand Based Switching	-	no data
PAE	no data	36 Bit
FDI	no data	+
Fast Memory Access	no data	+
FSB parity	-	no data
Status	Discontinued	Discontinued

Security technologies

Core 2 Duo E7300 and Core i5-520M 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 E7300 and Core i5-520M 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 E7300 and Core i5-520M. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR1, DDR2, DDR3	DDR3-800, DDR3-1066
Maximum memory size	no data	8.3 GB
Max memory channels	no data	2
Maximum memory bandwidth	no data	17.1 GB/s
ECC memory support	no data	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	no data	Intel® HD Graphics for Previous Generation Intel® Processors
Clear Video	no data	+
Clear Video HD	no data	+
Graphics max frequency	no data	766 MHz

Graphics interfaces

Available interfaces and connections of Core 2 Duo E7300 and Core i5-520M integrated GPUs.

Number of displays supported

no data

2

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo E7300 and Core i5-520M.

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 i5-520M outperforms Core 2 Duo E7300 by 82% based on our aggregate benchmark results.

---

Pros & cons summary

---

Performance score	0.61	1.11
Threads	2	4
Chip lithography	45 nm	32 nm
Power consumption (TDP)	65 Watt	35 Watt

---

Should you still have questions on choice between Core 2 Duo E7300 and Core i5-520M, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.

---