Core 2 Duo E6420 vs Core 2 Duo P7450

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Primary details

Comparing Core 2 Duo P7450 and Core 2 Duo E6420 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
Market segmentLaptopDesktop processor
SeriesIntel Core 2 Duono data
Architecture codenamePenryn (2008−2011)Conroe (2006−2007)
Release date1 January 2009 (15 years ago)April 2007 (17 years ago)

Detailed specifications

Core 2 Duo P7450 and Core 2 Duo E6420 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 cores2 (Dual-core)2 (Dual-core)
Threads22
Base clock speed2.13 GHz2.13 GHz
Boost clock speed2.13 GHz2.13 GHz
Bus rate1066 MHz1066 MHz
L1 cacheno data64 KB
L2 cache3 MB4 MB
L3 cache3 MB L2 Cache0 KB
Chip lithography45 nm65 nm
Die size107 mm2111 mm2
Maximum core temperature90 °C60 °C
Number of transistors410 Million167 million
64 bit support++
Windows 11 compatibility--
VID voltage range1.05V-1.15V0.85V-1.5V

Compatibility

Information on Core 2 Duo P7450 and Core 2 Duo E6420 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 configurationno data1
SocketBGA479,BGA956,PGA478PLGA775
Power consumption (TDP)25 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo P7450 and Core 2 Duo E6420. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)++
Turbo Boost Technology--
Hyper-Threading Technology--
Idle Statesno data+
Thermal Monitoring-+
Demand Based Switching--
FSB parity--

Security technologies

Core 2 Duo P7450 and Core 2 Duo E6420 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data-
EDB++

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo P7450 and Core 2 Duo E6420 are enumerated here.

VT-x-+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo P7450 and Core 2 Duo E6420. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR1, DDR2, DDR3

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.



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 P7450 783
+3%
Core 2 Duo E6420 760

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Core 2 Duo P7450 260
Core 2 Duo E6420 285
+9.6%

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Core 2 Duo P7450 443
Core 2 Duo E6420 513
+15.8%

Pros & cons summary


Chip lithography 45 nm 65 nm
Power consumption (TDP) 25 Watt 65 Watt

Core 2 Duo P7450 has a 44.4% more advanced lithography process, and 160% lower power consumption.

We couldn't decide between Core 2 Duo P7450 and Core 2 Duo E6420. We've got no test results to judge.

Be aware that Core 2 Duo P7450 is a notebook processor while Core 2 Duo E6420 is a desktop one.


Should you still have questions on choice between Core 2 Duo P7450 and Core 2 Duo E6420, ask them in Comments section, and we shall answer.

Vote for your favorite

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Intel Core 2 Duo P7450
Core 2 Duo P7450
Intel Core 2 Duo E6420
Core 2 Duo E6420

Similar processor comparisons

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Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


3.2 14 votes

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3.4 51 vote

Rate Core 2 Duo E6420 on a scale of 1 to 5:

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Questions & comments

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