Intel's Core 2 Extreme & Core 2 Duo: The Empire Strikes Back
by Anand Lal Shimpi on July 14, 2006 12:00 AM EST- Posted in
- CPUs
New Pricing
As you will soon see, Intel's new Core 2 lineup has basically made all previous Intel processors worthless. The performance of the new Core 2 CPUs is so much greater, with much lower power consumption, that owners of NetBurst based processors may want to dust off the old drill bits and make some neat looking keychains.
Intel also realizes that its new Core 2 line will make its older Pentium D and Pentium Extreme Edition processors seem a bit homely, and thus it will significantly reduce the pricing on some of the CPUs by the end of this month to help spruce them up a bit.
Intel's new pricing, effective starting July 23rd, is listed below:
| CPU | Clock Speed | L2 Cache | Price |
| Intel Core 2 Extreme X6800 | 2.93GHz | 4MB | $999 |
| Intel Core 2 Duo E6700 | 2.66GHz | 4MB | $530 |
| Intel Core 2 Duo E6600 | 2.40GHz | 4MB | $316 |
| Intel Core 2 Duo E6400 | 2.13GHz | 2MB | $224 |
| Intel Core 2 Duo E6300 | 1.86GHz | 2MB | $183 |
| Intel Pentium D 945 | 3.40GHz | 2MBx2 | $163 |
| Intel Pentium D 915 | 2.80GHz | 2MBx2 | $133 |
| Intel Pentium D 820 | 2.80GHz | 1MBx2 | $113 |
| Intel Pentium D 805 | 2.66GHz | 1MBx2 | $93 |
The table above only showcases the NetBurst CPUs that are actually cheaper than their Core 2 counterparts; there are a number that are priced equal to Core 2 options, but you'll want to stay away from those (more blatant foreshadowing).
Unfortunately AMD won't have an architectural update of the Athlon 64 X2 until sometime in 2007 or 2008, thus its only response to Intel's Core 2 lineup today is to also reduce pricing. Shortly before today's launch AMD informed us that more aggressive price cuts for the Athlon 64 X2 line were coming in July, but we couldn't get any more specific information. The best numbers we've got are those that were leaked shortly after Computex, which may end up being higher than what AMD is now thinking of doing:
| CPU | Clock Speed | L2 Cache | Projected Price |
| AMD Athlon 64 X2 5000+ | 2.6GHz | 512KBx2 | $403 |
| AMD Athlon 64 X2 4600+ | 2.4GHz | 512KBx2 | $301 |
| AMD Athlon 64 X2 4200+ | 2.2GHz | 512KBx2 | $240 |
| AMD Athlon 64 X2 3800+ | 2.0GHz | 512KBx2 | $169 |
In order to keep prices competitive, AMD is also killing off its Athlon 64 X2s with a 1MB L2 cache. By only shipping 512KB parts (except for the limited quantities of FX processors that are sold), AMD can produce more CPUs per wafer and thus help increase supply and offer lower prices.
Below we've compared both AMD and Intel's proposed price cuts, and as you can see, AMD needs to do a lot more in order to remain competitive.
| CPU | Clock Speed | L2 Cache | Price |
| Intel Core 2 Extreme X6800 | 2.93GHz | 4MB | $999 |
| Intel Core 2 Duo E6700 | 2.66GHz | 4MB | $530 |
| AMD Athlon 64 X2 5000+ | 2.6GHz | 512KBx2 | $403* |
| Intel Core 2 Duo E6600 | 2.40GHz | 4MB | $316 |
| AMD Athlon 64 X2 4600+ | 2.4GHz | 512KBx2 | $301* |
| AMD Athlon 64 X2 4200+ | 2.2GHz | 512KBx2 | $240* |
| Intel Core 2 Duo E6400 | 2.13GHz | 2MB | $224 |
| Intel Core 2 Duo E6300 | 1.86GHz | 2MB | $183 |
| AMD Athlon 64 X2 3800+ | 2.0GHz | 512KBx2 | $169* |
| Intel Pentium D 945 | 3.40GHz | 2MBx2 | $163 |
| Intel Pentium D 915 | 2.80GHz | 2MBx2 | $133 |
| Intel Pentium D 820 | 2.80GHz | 1MBx2 | $113 |
| Intel Pentium D 805 | 2.66GHz | 1MBx2 | $93 |
*Note: The AMD prices are still rumored. We're waiting for final confirmation from AMD for accuracy.
Based on these prices, AMD's Athlon 64 X2 4600+ would have to beat Intel's E6600, the 4200+ would have to beat the E6400 and the X2 3800+ would have to be somewhere in between the performance of a Pentium D 940/945 and an E6300.
We're getting the impression that AMD may be cutting prices more than what we've seen here, but we have no idea to what degree yet. By the end of this year AMD will also offer higher clock speeds as well as its new 4x4 platform (dual socket, dual core desktop Athlon 64 FX motherboards), but that's all we can expect for the foreseeable future.
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invise - Friday, July 14, 2006 - link
According to page 3 "The Test", you used an Intel D975xBX motherboard (Intel 975X chipset) for the tests in the article. Yet in the picture of the Tuniq Tower on page 18 "Overclocking", there is clearly an Asus board with a gold/copper chipset heatsink, blue PCI-Express 16x slot, and alternating yellow and black DIMM slots. Which board is this? I suspect a P5WD2 or P5N32-SLI, just from looking at pictures online, but from what I can find neither of those has a gold/copper heatsink on the Northbridge.I'm curious because you got the board's FSB stable at 445 MHz, which is critical when working with a CPU with a low, locked multiplier. If any other users recognize the board please ID it.
spug1 - Friday, July 14, 2006 - link
I noticed that too Invise. Can we have some clarification as to whether you used the intel board, or the asus p5w-dh for the testing of conroe?!
cheerz, :)
JarredWalton - Friday, July 14, 2006 - link
Overclocking was done with the ASUS board. The benchmarks scores were tested on the Intel board as reported on page 3.Suraj - Friday, October 20, 2006 - link
What other parts did u change when overclocking? I'm very eager to know what exact parts u used when overclocking the e6600.Kiste - Friday, July 14, 2006 - link
Great review, as always. I have to admit though that I was hoping for a bit more with regard to i965 based mainboards.Gary Key - Friday, July 14, 2006 - link
We have a few P965 boards in house currently, however all of them are undergoing almost daily bios changes. They should be very solid from a performance viewpoint within 30 days but at this time they are still immature and any performance results shown with them are not final.
Wesley Fink - Friday, July 14, 2006 - link
You will see Conroe motherboard reviews the first of the week, and yes, there are 965 boards in the reviews.DrMrLordX - Friday, July 14, 2006 - link
Could you guys please do a mini-review of this chip? In particular, could you overclock it using a Tuniq Tower 120 or something and give us some idea of how high it will go? I've been wanting to know more about that proc since AM2 launched, but AMD has been doing a lousy job of getting them into retail channels.redpriest_ - Friday, July 14, 2006 - link
Very detailed, I loved it. But quick question: Your screenshots with cpuid have the stepping as a B1 stepping 5 Conroe - I bought a retail Conroe X6800, and it was a stepping 6 revB2 - and it "only" clocks to 3.466 ghz stably. 3.733 is unstable and 4 ghz is a no boot into Windows; so my question is - is that the stepping you used or was it just a screenshot from an older comparison?Wesley Fink - Friday, July 14, 2006 - link
Our review samples are all Stepping 5. We also have an earlier Stepping 4 unlocked E6700 that overclocks very well. We understood stepping 5 was the Retail stepping. We will clarify this with Intel later today.