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Intel Core 2 Extreme QX9650 Quad Core Processor Review
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Intel Core 2 Extreme QX9650 Quad Core Processor

The Intel Core 2 Extreme QX9650 quad-core processor is no mere upgrade of the Kentsfield-based Core 2 Extreme processors. Underneath the heatspreader lies a radically-different processor, built not only using the smaller 45 nm process technology but also Intel's new high-k dielectric and metal gate technology.

The result? A smaller, cooler and more efficient processor. Oh, let's not forget... a 50% larger L2 cache! The Core 2 Extreme QX9650 sports a massive 12MB L2 cache. All with the same TDP of 130 W. Amazing, isn't it?

But how fast is it really? After all, this is a high-end enthusiast-grade processor with a hefty price premium. It had better be a couple of Mach numbers faster than the previous generation! Well, this is what we will be looking into this review. Not only will we examine its performance in games, we will also take a look at its performance in 3D rendering and video encoding.

For the full details, read our Comprehensive Review!

Lowest PriceGrabber Price


Comprehensive Review

Code Name

• Yorkfield XE

sSpec Number


Core Stepping

• C0

CPUID String

• 10676h


• LGA 775

Transistor Count

• 820 million transistors total
• 420 million transistors per die

Fabrication Process

• 45 nanometer high-k

Die Size

• 107 mm² x 2

Clock Speed

• 3.0 GHz

Front Side Bus Speed

• 1333 MHz

CPU Multiplier

• 9.0x

L1 Cache

• 32 KB x 4

L2 Cache

• 6 MB x 2

VID Voltage Range

• 0.85 V minimum
• 1.3625 V maximum

Thermal Design Power

• 130 W

Maximum Operating Temperature

• 64.5 °C

Supported Features

• Enhanced Intel Speedstep Technology
• Intel EM64T
• Intel Virtualization Technology
• Enhanced Halt State (C1E)
• Execute Disable Bit (XD Bit)
• Intel Thermal Monitor 2


Our Review System

Tech ARP is committed to developing new ways to improve your experience with us. As part of our continuous efforts to improve the value of our reviews to you, we are implementing a multi-tier review system.

This review system is designed to allow you to quickly receive information on the latest hardware or software. This new system also allows you to quickly get the gist of the review without reading through it. This can be very useful, especially in situations where you need to make a quick purchase decision.

In this new system, we start with a Product Overview whenever a company sends us a press release about their latest product. We shift through extraneous PR-talk to create a straightforward summary of the product's features as well as specifications. This allows you to quickly find out all the pertinent details about the product, without reading through official press releases.

When we receive the product for review, we will quickly take photos of it and create a Pictorial Review. The purpose of a pictorial review is to allow you, the reader, to quickly examine the product visually. It may help you make better purchase decisions, especially if you cannot wait for the full review.

After thorough testing, we will post a Comprehensive Review of the product. This adds on to the pictorial review with comprehensive test results and our final conclusion on the product.

But no matter whether you are reading a Pictorial Review or a Comprehensive Review, you can always read the summary of the review as well as examine the product's specifications right on the first page. In all our new reviews, we will maintain the first page as a Product Overview page. If the product is listed in PriceGrabber, you can also check out the lowest price online.

We hope this new review system will make your experience a lot more enjoyable and informative!

Next Page : Introduction, Specifications >>>


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