Pentium E6700 vs Core 2 Duo P8400

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Aggregate performance score

Core 2 Duo P8400
2008
2 cores / 2 threads, 25 Watt
0.53
Pentium E6700
2010
2 cores / 2 threads, 65 Watt
0.74
+39.6%

Pentium E6700 outperforms Core 2 Duo P8400 by a considerable 40% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Duo P8400 and Pentium E6700 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking28612674
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data4.16
Market segmentLaptopDesktop processor
SeriesIntel Core 2 Duono data
Power efficiency2.011.08
Architecture codenamePenryn (2008−2011)Wolfdale (2008−2010)
Release date15 July 2008 (16 years ago)30 May 2010 (14 years ago)
Launch price (MSRP)$209$80

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core 2 Duo P8400 and Pentium E6700 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 speed2.26 GHz3.2 GHz
Boost clock speed2.26 GHz3.2 GHz
Bus rate1066 MHzno data
L1 cache128 KB64 KB (per core)
L2 cache3 MB2 MB (shared)
L3 cache3 MB L2 Cache0 KB
Chip lithography45 nm45 nm
Die size107 mm282 mm2
Maximum core temperature105 °C74 °C
Number of transistors410 Million228 million
64 bit support++
Windows 11 compatibility--
VID voltage range1.05V-1.15V0.85V-1.3625V

Compatibility

Information on Core 2 Duo P8400 and Pentium E6700 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,PBGA479,PGA478LGA775
Power consumption (TDP)25 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo P8400 and Pentium E6700. You'll probably need this information if you require some particular technology.

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

Security technologies

Core 2 Duo P8400 and Pentium E6700 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 P8400 and Pentium E6700 are enumerated here.

VT-dno data-
VT-x++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo P8400 and Pentium E6700. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR1, DDR2, DDR3

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo P8400 and Pentium E6700.

PCIe versionno data2.0

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 P8400 0.53
Pentium E6700 0.74
+39.6%

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 P8400 848
Pentium E6700 1182
+39.4%

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Core 2 Duo P8400 279
Pentium E6700 355
+27.2%

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Core 2 Duo P8400 459
Pentium E6700 580
+26.4%

Gaming performance

Pros & cons summary


Performance score 0.53 0.74
Recency 15 July 2008 30 May 2010
Power consumption (TDP) 25 Watt 65 Watt

Core 2 Duo P8400 has 160% lower power consumption.

Pentium E6700, on the other hand, has a 39.6% higher aggregate performance score, and an age advantage of 1 year.

The Pentium E6700 is our recommended choice as it beats the Core 2 Duo P8400 in performance tests.

Be aware that Core 2 Duo P8400 is a notebook processor while Pentium E6700 is a desktop one.


Should you still have questions on choice between Core 2 Duo P8400 and Pentium E6700, ask them in Comments section, and we shall answer.

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Intel Core 2 Duo P8400
Core 2 Duo P8400
Intel Pentium E6700
Pentium E6700

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Community ratings

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


3.7 84 votes

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3.7 132 votes

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Questions & comments

Here you can ask a question about Core 2 Duo P8400 or Pentium E6700, agree or disagree with our judgements, or report an error or mismatch.