Core 2 Duo E4400 vs Pentium Dual Core T3400

Aggregate performance score

Pentium Dual Core T3400
2008
2 cores / 2 threads, 35 Watt
0.41
Core 2 Duo E4400
2007
2 cores / 2 threads, 65 Watt
0.45
+9.8%

Core 2 Duo E4400 outperforms Pentium Dual Core T3400 by a moderate 10% based on our aggregate benchmark results.

Primary details

Comparing Pentium Dual Core T3400 and Core 2 Duo E4400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking29782929
Place by popularitynot in top-100not in top-100
Market segmentLaptopDesktop processor
SeriesIntel Pentium Dual Coreno data
Power efficiency1.110.66
Architecture codenameMerom (2006−2008)Allendale (2006−2009)
Release date1 October 2008 (16 years ago)July 2007 (17 years ago)

Detailed specifications

Pentium Dual Core T3400 and Core 2 Duo E4400 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 speedno data2 GHz
Boost clock speed2.16 GHz2 GHz
Bus rate667 MHz800 MHz
L1 cacheno data64 KB
L2 cache1 MB2 MB
L3 cacheno data0 KB
Chip lithography65 nm65 nm
Die size143 mm2111 mm2
Maximum core temperatureno dataL2=61 °C, M0=73 °C
Number of transistors291 Million167 million
64 bit support++
Windows 11 compatibility--
VID voltage rangeno data0.85V-1.5V

Compatibility

Information on Pentium Dual Core T3400 and Core 2 Duo E4400 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
SocketPPGA478LGA775
Power consumption (TDP)35 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium Dual Core T3400 and Core 2 Duo E4400. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)no data+
Turbo Boost Technologyno data-
Hyper-Threading Technologyno data-
Idle Statesno data+
Thermal Monitoring-+
Demand Based Switchingno data-
FSB parityno data-

Security technologies

Pentium Dual Core T3400 and Core 2 Duo E4400 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data-
EDBno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium Dual Core T3400 and Core 2 Duo E4400 are enumerated here.

VT-xno data-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium Dual Core T3400 and Core 2 Duo E4400. 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.


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.

Pentium Dual T3400 0.41
Core 2 Duo E4400 0.45
+9.8%

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.

Pentium Dual T3400 653
Core 2 Duo E4400 718
+10%

Gaming performance

Pros & cons summary


Performance score 0.41 0.45
Power consumption (TDP) 35 Watt 65 Watt

Pentium Dual T3400 has 85.7% lower power consumption.

Core 2 Duo E4400, on the other hand, has a 9.8% higher aggregate performance score.

Given the minimal performance differences, no clear winner can be declared between Pentium Dual Core T3400 and Core 2 Duo E4400.

Be aware that Pentium Dual Core T3400 is a notebook processor while Core 2 Duo E4400 is a desktop one.


Should you still have questions on choice between Pentium Dual Core T3400 and Core 2 Duo E4400, 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 Pentium Dual Core T3400
Pentium Dual Core T3400
Intel Core 2 Duo E4400
Core 2 Duo E4400

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 65 votes

Rate Pentium Dual Core T3400 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.2 110 votes

Rate Core 2 Duo E4400 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Pentium Dual Core T3400 or Core 2 Duo E4400, agree or disagree with our judgements, or report an error or mismatch.