Pentium Dual-Core E2140 vs Core 2 Duo P7450

Primary details

Comparing Core 2 Duo P7450 and Pentium Dual-Core E2140 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)Allendale (2006−2009)
Release date1 January 2009 (15 years ago)June 2007 (17 years ago)

Detailed specifications

Core 2 Duo P7450 and Pentium Dual-Core E2140 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 GHzno data
Boost clock speed2.13 GHz1.6 GHz
Bus rate1066 MHzno data
L1 cacheno data64 KB (per core)
L2 cache3 MB1 MB (shared)
L3 cache3 MB L2 Cache0 KB
Chip lithography45 nm65 nm
Die size107 mm277 mm2
Maximum core temperature90 °Cno data
Number of transistors410 Million105 million
64 bit support++
Windows 11 compatibility--
VID voltage range1.05V-1.15Vno data

Compatibility

Information on Core 2 Duo P7450 and Pentium Dual-Core E2140 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,PGA478775
Power consumption (TDP)25 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo P7450 and Pentium Dual-Core E2140. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)++
Turbo Boost Technology-no data
Hyper-Threading Technology-no data
Demand Based Switching-no data
FSB parity-no data

Security technologies

Core 2 Duo P7450 and Pentium Dual-Core E2140 technologies aimed at improving security, for example, by protecting against hacks.

EDB+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo P7450 and Pentium Dual-Core E2140 are enumerated here.

VT-x-no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo P7450 and Pentium Dual-Core E2140. 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
+45.3%
Pentium Dual-Core E2140 539

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 Pentium Dual-Core E2140. We've got no test results to judge.

Be aware that Core 2 Duo P7450 is a notebook processor while Pentium Dual-Core E2140 is a desktop one.


Should you still have questions on choice between Core 2 Duo P7450 and Pentium Dual-Core E2140, ask them in Comments section, and we shall answer.

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Intel Core 2 Duo P7450
Core 2 Duo P7450
Intel Pentium Dual-Core E2140
Pentium Dual-Core E2140

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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2.8 137 votes

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Questions & comments

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