So you are interested in the Intel Celeron E1400.  The low price on Ebay.com probably caught your attention and has you thinking that this dual core Intel processor just cannot be that bad.  As a hands on type of computer user, you shop around for the best price for the cpu in your motherboard.  The reason we do this is because we understand that PCIe video card performance is not very dependent on the speed of your cpu.  The EVGA GeForce GTX 580 1536 MB GDDR5 PCI-Express 2.0 Graphics Card will work just fine with an Intel E1400 microprocessor but before you try it out, this review will help you predict the effect that this ultra slow cpu will have on your DC Universe Online 3D gaming.

In this review, I will provide you with all the detailed statistics and performance specifications that will change your line of thinking about the Intel E1400 dual core processor.  In the summary, I also make a recommendation of another relatively unheard of Intel processor that is almost the same price but offers much more crunching power.

The Intel Celeron E1400 2.0Ghz Conroe 65nm Processor Has No Level 3 Cache
For years, we have been told that cache is critical to unlocking the true performance of any desktop computer.  The Intel 386 was quickly offset by the larger cache on the Intel 486 (and a FPU helped too).  Now, we see Intel pushing out low level Celeron products that only have a total of 512Kb of cache beyond Level 1.  Gaming and intense number crunching applications like SETI@Home or other BOINC projects will not perform well on this processor.  Yet, this is also why the processor can be found so cheaply at many online retailers like Amazon.com and on http://www0.epinions.com/content_514777517700.  The processor still manages to hold its own in benchmarks because it makes up for the lack of cache with its two physical cpu cores.  As you will see later in this review, the lack of Level 3 cache on this Intel product and dual cores have some significant advantages to the extreme computer system builder.

Overclocking And Performance Testing The Intel Celeron E1400
The Intel Celeron E1400 Socket 775 Processor will overclock quite well to 2.6Ghz on a stock cooler with Artic Silver heat sink compound applied to the die surface.  For the testing portion of this review, I used a ASUS P5QL-VM DO/CSM LGA775 motherboard, Crucial Ballistix Tracer 4GB (1GBx4) DDR2 1066 all running under Windows 7 Ultimate 64bit edition.  I was able to overclock the Celeron to 2.6Ghz using the stock air cooler and was even able to get the BIOS to post with 3.0Ghz.  The problem came with loading Windows 7 Ultimate 64bit.  The computer would freeze after just a few minutes at 2.8Ghz.  I am hoping that a Scythe SCMN-1100 MINE Rev.B 3 Heat Pipes CPU Cooler will be able to get the Celeron processor stable at 3.0Ghz.

Super Pi
Super Pi V1.1 is an application that extrapolates the specified digits of PI into a text file.  Since the task is both processor and file system intensive it can give you an idea of how fast your cpu is.  Processors with large on-die cache sizes and high bus speeds tend to do better in this benchmark.  The problem is the calculation is single threaded in this version so you only see the performance of one processor with this version of the benchmarking suite. 

In this test, I analyzed the performance using the 1,000,000 digits of Pi calculation.  I overclocked the Intel E1400 to different frequencies and ran the test 3 times and reported the shortest time returned in the list below.  As a cross reference, I also provided the benchmark results from other processors that I tested in the past few years in order of seconds that they took to complete.

Intel E1400 Celeron Dual Core 2.0 Ghz, stock speed:  33 seconds
Intel E1400 Celeron Dual Core 2.2 Ghz, overclocked:  33 seconds
Intel E1400 Celeron Dual Core 2.4 Ghz, overclocked:  27 seconds
Intel E1400 Celeron Dual Core 2.6 Ghz, overclocked:  26 seconds

Intel Celeron 1.8Ghz 400Mhz FSB Socket 478:  2 minutes 20 seconds
Intel Pentium 4 1.6Ghz 400Mhz FSB 256Kb Cache Socket 478:  2 minutes 13 seconds
Intel 3.2Ghz 512Kb Pentium 4 Socket 478: 1 minute 17 seconds
Intel Pentium 4 2.4Ghz 800Mhz FSB Socket 478: 1 minute 11 seconds
Intel Pentium D 840, 3.2 GHz Socket 775 processor:  45 seconds
Intel Pentium D 915 processor:  43 seconds
Intel Celeron 356 3.33Ghz Socket 775 processor:  42 seconds
Intel Xeon 3.2Ghz 800Mhz FSB 2Mb Cache Processor:  39 seconds
AMD Athlon 4000+ Socket 939 processor:  36 seconds
AMD Sempron 140 2.7Ghz Processor: 27 seconds
Intel Core 2 Quad Q6600 2400Mhz processor:  21 seconds
AMD PHENOM II 4X Z965 AM3 BLACK EDITION Processor: 20 seconds
1090T 3.2GHz AMD Phenom II X6 Six-Core Processor:  19 seconds
Intel Xeon E5450 3.0Ghz 12Mb cache four core processor: 15 seconds
Intel 920 Socket 1366 processor 2.667Ghz:  14 seconds
Intel Core 2 Duo E8600 3.33Ghz processor:  13 seconds

The most important aspect of this lengthy list of statistics is to note that the leader is a Socket 775 processor.  As a result, we can conclude that there must be a better option than buying an Intel E1400 processor.  You want a processor with more L2 cache and not necessarily higher clock speed but smaller die size.  To hint at the true potential of these motherboards, do not forget about the Intel Q9650 which runs four cores at 1333Mhz FSB in a 45nm die package.

POV-Ray 3.7  RC2 64Bit
A new version of the freeware 3D animation utility has been released that offers SSE2 enhanced processing extensions.  POV -Ray stresses the floating point unit and memory bandwidth of the processor to render stunning 2D images.  The raytracing software package also makes use of all available logical cpu cores in your computer system to render images.  For this reason, POV is my processor benchmarking package of choice!

For this test, I am using the benchmark.pov file with QuickRes.ini value of 512x384 NO AA since it is provide with all new installations of POV.  I am also the following the results of the Intel E1400 processor with those from other reviews that I have written to give you a comparison by which to judge the performance.

Intel E1400 Celeron Dual Core 2.0 Ghz, stock speed:  5 minutes 51 seconds
Intel E1400 Celeron Dual Core 2.4 Ghz, overclocked: 4 minutes 46 seconds
Intel E1400 Celeron Dual Core 2.6 Ghz, overclocked: 4 minutes 16 seconds

AMD Sempron 140 2.7Ghz Processor:  13 minutes 11 seconds
1090T 3.2GHz AMD Phenom II X6 Six-Core Processor:  3 minutes 53 seconds


Thermal Characteristics And Underclocking Your Intel Celeron E1400 For Potential Use Outdoors
Another option that the low power Intel Celeron E1400 gives us is the ability to underclock and create a computer system that can survive high temperatures outdoors.  While this may not seem like a practical option for the computer system builder, you will become a fan once you realize that you can install a computer in your attic with surveillance video cameras to record footage of your home while away.  A low power and low heat processor ensures your system is stable and easy to manage without costly investment.  Wireless networking combined with Windows 7 Ultimate will allow you to remotely log into the computer from anywhere in the world to see if any events have occurred.   I used a ASUS P5QL-VM DO/CSM LGA775 motherboard for this low power system build and in the BIOS set the processor multiplier for the Intel E1400 to 6 to get an effective clock rate of 1.2Ghz across the dual cores.

Underclocked Performance Of E1400 Conroe At 1200Mhz
In Super Pi 1 million benchmark the Intel E1400 at 1.2 Ghz completed the test in 51 seconds.  At 1200Mhz the processor completed the POV Ray benchmark in 9 minutes 35 seconds.  With the dual cores fully loaded for over 30 minutes, the processor only reached a cpu core temperature of 43 degrees Centigrade.  At 2.0Ghz and fully loaded, the Intel E1400 cpu processor temperature 58 degrees Centigrade.  Lowering the clock speed of the E1400 Socket 775 processor drastically reduced its peaks temperature and since it is the only one of the line without any significant amount of cache it is also likely the coolest.  Even at this reduced clock speed, I was still able to watch video playback on my ASUS 1005HA netbook when logged in remotely so the operation of the computer did not seem to be compromised by any significant amount for my purposes of video surveillance.

To be completely honest, underclocking a dual core Celeron processor for use as a surveillance system was the only use that I could find for this Intel product.  You may be able to build a decent web browsing machine with it but in an office situation, you will need the faster number crunching speed of the Intel Q9650 when working with Excel Spreadsheets.  So far, the computer has remained stable for over 25 days up in my attic.  For safety considerations, I have the machine powered by a 300 watt power supply and it has air filters on all case intake vents. 

Intel Celeron E1400 Conroe Specifications
Manufacturer:  Intel
Model Number:
Product Name:  Celeron 1400
Core Code Name:  Conroe
Cpu Frequency:  2000Mhz
Physical Cpu Cores:  2
Hyperthreading Cores: 0
Level 1 Cache Size 2x32Kb Data;  2x32Kb Instruction
Level 2 Cache Size:  512Kb
Level 3 Cache Size:  0Kb
Manufacturing Die:  65nm
64bit Operating System Support:  Yes
Instruction Sets Supported: MMX, SSE, SSE2, SSE3, SSSE3, EM64T

Motherboard Compatibility
The Intel Celeron E1400 Socket 775 processor is compatible with a wide range of motherboards due to its relatively low power draw and 800Mhz front side bus.  You can also use lower speed DDR2 memory sticks so you can purchase the dense 2Gb memory sticks along with a reliable ASUS LGA 775 motherboard and save a lot of money compared to other buying options that require higher speed parts that cost much more.

Summary
In conclusion, the only positive benefit that you will receive by purchasing an Intel E1400 processor is the use of dual cores.  The 65nm die runs hot compared to 45nm or even 32nm products and it does not overclock very well either.   I did purchase this processor for use as a video surveillance station in my attic.  For this purpose of dedicated number crunching in a high heat environment the Socket 775 processor seems to have found its home.  I gave the Intel Celeron E1400 Conroe two stars for its two cores.  If you are really looking for an economical Intel Socket 775 processor then I suggest looking at the Intel E3400 dual core.  E3400 comes with a much larger L2 Cache and smaller 45nm die to increase your ability to overclock the processor. 

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