Core 2 Duo U7700 vs Core 2 Duo E4700

VS

Aggregate performance score

Core 2 Duo E4700
2008
2 cores / 2 threads, 65 Watt
0.57
+111%
Core 2 Duo U7700
2006
2 cores / 2 threads, 10 Watt
0.27

Core 2 Duo E4700 outperforms Core 2 Duo U7700 by a whopping 111% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Duo E4700 and Core 2 Duo U7700 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking28143127
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Seriesno dataIntel Core 2 Duo
Power efficiency0.832.56
Architecture codenameAllendale (2006−2009)Merom-2048 (2006−2008)
Release dateMarch 2008 (16 years ago)27 July 2006 (18 years ago)

Detailed specifications

Core 2 Duo E4700 and Core 2 Duo U7700 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 speed2.6 GHz1.33 GHz
Boost clock speed2.6 GHz1.33 GHz
Bus rate800 MHz533 MHz
L1 cache64 KB64 KB
L2 cache2 MB2 MB
L3 cache0 KB0 KB
Chip lithography65 nm65 nm
Die size111 mm2143 mm2
Maximum core temperature73 °C100 °C
Number of transistors167 million291 Million
64 bit support++
Windows 11 compatibility--
VID voltage range0.85V-1.5V0.8V-0.975V

Compatibility

Information on Core 2 Duo E4700 and Core 2 Duo U7700 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
SocketPLGA775P
Power consumption (TDP)65 Watt10 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo E4700 and Core 2 Duo U7700. 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--

Security technologies

Core 2 Duo E4700 and Core 2 Duo U7700 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 E4700 and Core 2 Duo U7700 are enumerated here.

VT-x-+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo E4700 and Core 2 Duo U7700. 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 E4700 0.57
+111%
Core 2 Duo U7700 0.27

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 E4700 908
+112%
Core 2 Duo U7700 429

Gaming performance

Pros & cons summary


Performance score 0.57 0.27
Power consumption (TDP) 65 Watt 10 Watt

Core 2 Duo E4700 has a 111.1% higher aggregate performance score.

Core 2 Duo U7700, on the other hand, has 550% lower power consumption.

The Core 2 Duo E4700 is our recommended choice as it beats the Core 2 Duo U7700 in performance tests.

Note that Core 2 Duo E4700 is a desktop processor while Core 2 Duo U7700 is a notebook one.


Should you still have questions on choice between Core 2 Duo E4700 and Core 2 Duo U7700, ask them in Comments section, and we shall answer.

Vote for your favorite

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Intel Core 2 Duo E4700
Core 2 Duo E4700
Intel Core 2 Duo U7700
Core 2 Duo U7700

Similar processor comparisons

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Community ratings

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


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Questions & comments

Here you can ask a question about Core 2 Duo E4700 or Core 2 Duo U7700, agree or disagree with our judgements, or report an error or mismatch.