Atom Z3735G vs Core 2 Duo E6400

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Aggregate performance score

Core 2 Duo E6400
2006
2 cores / 2 threads, 65 Watt
0.49
Atom Z3735G
2014
4 cores / 4 threads, 2 Watt
0.49

Primary details

Comparing Core 2 Duo E6400 and Atom Z3735G processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking29022906
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Power efficiency0.7123.19
Architecture codenameConroe (2006−2007)Bay Trail-T (2013−2014)
Release dateJuly 2006 (18 years ago)9 April 2014 (10 years ago)
Launch price (MSRP)no data$17

Detailed specifications

Core 2 Duo E6400 and Atom Z3735G 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)4 (Quad-Core)
Threads24
Base clock speed2.13 GHz1.33 GHz
Boost clock speed2.13 GHz1.83 GHz
Bus rate1066 MHzno data
L1 cache64 KB56K (per core)
L2 cache2 MB2 MB
L3 cache0 KB2 MB L2 Cache
Chip lithography65 nm22 nm
Die size143 mm2112 mm2
Maximum core temperature61 °Cno data
Number of transistors291 millionno data
64 bit support++
Windows 11 compatibility-no data
VID voltage range0.85V-1.5Vno data

Compatibility

Information on Core 2 Duo E6400 and Atom Z3735G 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
SocketLGA775,PLGA775UTFCBGA592
Power consumption (TDP)65 Watt2 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo E6400 and Atom Z3735G. You'll probably need this information if you require some particular technology.

AES-NI-+
Enhanced SpeedStep (EIST)++
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 E6400 and Atom Z3735G technologies aimed at improving security, for example, by protecting against hacks.

TXT-no data
EDB+no data
Anti-Theftno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo E6400 and Atom Z3735G are enumerated here.

VT-x++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo E6400 and Atom Z3735G. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3DDR3
Maximum memory sizeno data1 GB
Max memory channelsno data1
Maximum memory bandwidthno data5.3 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel HD Graphics for Intel Atom Processor Z3700 Series
Graphics max frequencyno data646 MHz

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 E6400 0.49
Atom Z3735G 0.49

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 E6400 780
+1%
Atom Z3735G 772

Gaming performance

Pros & cons summary


Physical cores 2 4
Threads 2 4
Chip lithography 65 nm 22 nm
Power consumption (TDP) 65 Watt 2 Watt

Atom Z3735G has 100% more physical cores and 100% more threads, a 195.5% more advanced lithography process, and 3150% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between Core 2 Duo E6400 and Atom Z3735G.

Note that Core 2 Duo E6400 is a desktop processor while Atom Z3735G is a notebook one.


Should you still have questions on choice between Core 2 Duo E6400 and Atom Z3735G, 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 Core 2 Duo E6400
Core 2 Duo E6400
Intel Atom Z3735G
Atom Z3735G

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.


3.4 151 vote

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3.1 67 votes

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Questions & comments

Here you can ask a question about Core 2 Duo E6400 or Atom Z3735G, agree or disagree with our judgements, or report an error or mismatch.