Pentium Dual-Core E2140 vs Core 2 Duo E4300

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Aggregate performance score

Core 2 Duo E4300
2006
2 cores / 2 threads, 65 Watt
0.37
+8.8%
Pentium Dual-Core E2140
2007
2 cores / 2 threads, 65 Watt
0.34

Core 2 Duo E4300 outperforms Pentium Dual-Core E2140 by a small 9% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Duo E4300 and Pentium Dual-Core E2140 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking30373074
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
Power efficiency0.540.50
Architecture codenameAllendale (2006−2009)Allendale (2006−2009)
Release dateJuly 2006 (18 years ago)June 2007 (17 years ago)

Detailed specifications

Core 2 Duo E4300 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 speed1.8 GHzno data
Boost clock speed1.8 GHz1.6 GHz
Bus rate800 MHzno data
L1 cache64 KB64 KB (per core)
L2 cache2 MB1 MB (shared)
L3 cache0 KB0 KB
Chip lithography65 nm65 nm
Die size111 mm277 mm2
Maximum core temperature61 °Cno data
Number of transistors167 million105 million
64 bit support++
Windows 11 compatibility--
VID voltage range0.85V-1.5Vno data

Compatibility

Information on Core 2 Duo E4300 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 configuration11
SocketLGA775775
Power consumption (TDP)65 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo E4300 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
Idle States+no data
Thermal Monitoring+-
Demand Based Switching-no data
FSB parity-no data

Security technologies

Core 2 Duo E4300 and Pentium Dual-Core E2140 technologies aimed at improving security, for example, by protecting against hacks.

TXT-no data
EDB+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo E4300 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 E4300 and Pentium Dual-Core E2140. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3DDR1, 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.


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 2 Duo E4300 0.37
+8.8%
Pentium Dual-Core E2140 0.34

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 E4300 593
+10%
Pentium Dual-Core E2140 539

Gaming performance

Pros & cons summary


Performance score 0.37 0.34

Core 2 Duo E4300 has a 8.8% higher aggregate performance score.

Given the minimal performance differences, no clear winner can be declared between Core 2 Duo E4300 and Pentium Dual-Core E2140.


Should you still have questions on choice between Core 2 Duo E4300 and Pentium Dual-Core E2140, 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.


Intel Core 2 Duo E4300
Core 2 Duo E4300
Intel Pentium Dual-Core E2140
Pentium Dual-Core E2140

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

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


3.1 105 votes

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2.8 137 votes

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Questions & comments

Here you can ask a question about Core 2 Duo E4300 or Pentium Dual-Core E2140, agree or disagree with our judgements, or report an error or mismatch.