Intel Pentium D 940 vs Core 2 Duo E4300

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General info

Comparing Core 2 Duo E4300 and Pentium D 940 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
Architecture codenameAllendale (2006−2009)Presler (2006−2007)
Release dateJuly 2006 (17 years old)5 January 2006 (18 years old)
Current price$37 $71

Technical specs

Core 2 Duo E4300 and Pentium D 940 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 GHz3.2 GHz
Boost clock speed1.8 GHz3.2 GHz
L1 cache64 KB16 KB (per core)
L2 cache2 MB2 MB (per die)
L3 cache0 KB0 KB
Chip lithography65 nm65 nm
Die size111 mm22x 81 mm2
Maximum core temperature61 °CB1=69 °C, C1=63 °C
Maximum case temperature (TCase)no data69 °C
Number of transistors167 million376 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplierNoNo
VID voltage range0.85V-1.5V1.2V-1.3375V

Compatibility

Information on Core 2 Duo E4300 and Pentium D 940 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
SocketLGA775LGA775,PLGA775
Power consumption (TDP)65 Watt130 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo E4300 and Pentium D 940. You'll probably need this information if you require some particular technology.

AES-NI--
Enhanced SpeedStep (EIST)++
Turbo Boost Technology--
Hyper-Threading Technology--
Idle States++
Thermal Monitoring+-
Demand Based Switching--
PAEno data32 Bit
FSB parity--
StatusDiscontinuedDiscontinued

Security technologies

Core 2 Duo E4300 and Pentium D 940 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 E4300 and Pentium D 940 are enumerated here.

VT-dno data-
VT-x-+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo E4300 and Pentium D 940. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3DDR1, DDR2, DDR3
ECC memory supportno data-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataOn certain motherboards (Chipset feature)

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.

Benchmark coverage: 68%

Core 2 Duo E4300 593
+9.8%
Pentium D 940 540

Core 2 Duo E4300 outperforms Pentium D 940 by 10% in Passmark.

Advantages and disadvantages


Power consumption (TDP) 65 Watt 130 Watt

We couldn't decide between Core 2 Duo E4300 and Pentium D 940. We've got no test results to judge.


Should you still have questions on choice between Core 2 Duo E4300 and Pentium D 940, ask them in Comments section, and we shall answer.

User ratings

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 D 940
Pentium D 940

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User ratings: view and submit

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3.2 87 votes

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3.9 22 votes

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Questions and comments

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