Pentium Dual Core T3400 vs Core 2 Duo E7400

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Aggregate performance score

Core 2 Duo E7400
2008
2 cores / 2 threads, 65 Watt
0.66
+57.1%
Pentium Dual Core T3400
2008
2 cores / 2 threads, 35 Watt
0.42

Core 2 Duo E7400 outperforms Pentium Dual Core T3400 by an impressive 57% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Duo E7400 and Pentium Dual Core T3400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking27602990
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Seriesno dataIntel Pentium Dual Core
Power efficiency0.961.14
Architecture codenameWolfdale (2008−2010)Merom (2006−2008)
Release dateOctober 2008 (16 years ago)1 October 2008 (16 years ago)

Detailed specifications

Core 2 Duo E7400 and Pentium Dual Core T3400 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 speed2.8 GHzno data
Boost clock speed2.8 GHz2.16 GHz
Bus rate1066 MHz667 MHz
L1 cache64 KBno data
L2 cache3 MB (shared)1 MB
L3 cache0 KBno data
Chip lithography45 nm65 nm
Die size82 mm2143 mm2
Maximum case temperature (TCase)74 °Cno data
Number of transistors228 million291 Million
64 bit support++
Windows 11 compatibility--
VID voltage range0.85V-1.3625Vno data

Compatibility

Information on Core 2 Duo E7400 and Pentium Dual Core T3400 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 configuration1no data
SocketLGA775PPGA478
Power consumption (TDP)65 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo E7400 and Pentium Dual Core T3400. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)+no data
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 E7400 and Pentium Dual Core T3400 technologies aimed at improving security, for example, by protecting against hacks.

TXT-no data
EDB+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo E7400 and Pentium Dual Core T3400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3no data

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 E7400 0.66
+57.1%
Pentium Dual T3400 0.42

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 E7400 1041
+57%
Pentium Dual T3400 663

Gaming performance

Pros & cons summary


Performance score 0.66 0.42
Chip lithography 45 nm 65 nm
Power consumption (TDP) 65 Watt 35 Watt

Core 2 Duo E7400 has a 57.1% higher aggregate performance score, and a 44.4% more advanced lithography process.

Pentium Dual T3400, on the other hand, has 85.7% lower power consumption.

The Core 2 Duo E7400 is our recommended choice as it beats the Pentium Dual Core T3400 in performance tests.

Note that Core 2 Duo E7400 is a desktop processor while Pentium Dual Core T3400 is a notebook one.


Should you still have questions on choice between Core 2 Duo E7400 and Pentium Dual Core T3400, ask them in Comments section, and we shall answer.

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Intel Core 2 Duo E7400
Core 2 Duo E7400
Intel Pentium Dual Core T3400
Pentium Dual Core T3400

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Community ratings

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


3.4 339 votes

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3.1 65 votes

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Questions & comments

Here you can ask a question about Core 2 Duo E7400 or Pentium Dual Core T3400, agree or disagree with our judgements, or report an error or mismatch.