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The quad squad

Matthew Elliott Matthew Elliott, Section Editor November 15, 2006

The Intel Core 2 Extreme QX6700 chip is available for the first time today. We've reviewed three PCs--from Dell, Gateway, and Polywell--that feature Intel's first quad-core desktop CPU. We're including Apple's Mac Pro in the discussion since it also boasts four processing cores by way of its two dual-core Intel Xeon chips.

So, which quad-core system is the fastest we've seen thus far? Gateway's FX530XL posted the best application scores on the whole, thanks to its over-clocked CPU. For its part, the Mac Pro took top honors with iTunes--which is not surprising given that the app was written for the Mac OS.

Gamers will like the scores they see from the Dell and Polywell systems. The Dell XPS 710 uses a Quad SLI setup for supreme frame rates, but by the time Polywell submitted its system, it was able to include Nvidia's new Nforce 680 SLI chipset and next-generation GeForce 8800 GTX graphics cards. The Polywell PC turned in stellar framerates on games like F.E.A.R and Quake 4, while also providing a better platform for the games we'll see next year.

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Review date November 01, 2006 November 15, 2006 November 08, 2006 August 18, 2006
The Bottom Line It's rare that you see a performance-leading PC come in below $4,000, but Gateway's FX530XT has pulled it off. Complete with an Intel Core 2 Extreme QX6700 quad-core CPU and a pair of ATI's highest-end 3D cards, this cutting-edge desktop won't make gamers and digital designers dig quite as deep to get their hands on it. The XPS 710 brings quad-core processing to Dell's flagship desktop, but competing systems from others outshine this system in too many ways for us to recommend it. We still like the case and the build quality, and Dell has even beefed up its support, but among other issues, a $5,000 PC is not supposed to be slower than systems that cost nearly $2,000 less. We expect that we'll see better-looking and better-thought-out PCs with Nvidia's new GeForce 8800 GTX graphics card inside, but Polywell gets the distinction of having the first PC in our Labs with this next-gen part. And while its visuals and its power supply could use some attention, its price-performance ratio is hard to beat. Apple's Mac Pro has design innovations that we hope will cross over to other systems. Its performance is as strong as you'd expect for a system in its class, and it's priced right, too. You might need more flexibility in your config options, especially for 3D design, but otherwise, the Mac Pro is as solid a professional-class PC as we've seen.
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Features
Graphics ControllerPCI Express x16 - ATI Radeon X1950 CrossFire - 512 MB
PCI Express x16 - NVIDIA GeForce 7950 GX2 - 1 GB
PCI Express x16 - NVIDIA GeForce 8800 GTX - 768 MB
PCI Express x16 - NVIDIA GeForce 7300 GT - 256 MB
Storage RemovableNone
None
None
None
Multi-GPU Configuration2 single GPU cards (CrossFire)
1 dual GPU card (SLI)
2 single GPU cards (CrossFire)
Info unavailable
Optical Storage (2nd)CD-RW / DVD-ROM combo
DVD-ROM
CD-RW / DVD-ROM combo
None
Floppy DriveNone
None
3.5" 1.44 MB floppy
None
Storage ControllerRAID ( Serial ATA-300 ) ; IDE
Serial ATA ( Serial ATA-300 ) ; IDE
RAID ( Serial ATA-300 ) ; IDE ( ATA-133 )
Serial ATA ( Serial ATA-300 )
TypeMedia center
Personal computer
Personal computer
Personal computer
Hard Drive (2nd)150 GB - None
1 x 750 GB - None
- None
- None
PrinterNone
None
None
None
Processor Main FeaturesIntel Execute Disable Bit
Enhanced Intel SpeedStep Technology
Intel Execute Disable Bit
Enhanced Intel SpeedStep Technology
Intel Execute Disable Bit
Enhanced Intel SpeedStep Technology
Intel Execute Disable Bit
Intel Virtualization Technology
Enhanced Intel SpeedStep Technology
Intel Extended Memory 64 Technology
Optical StorageDVD?RW (+R DL)
DVD?RW (+R DL)
DVD?RW (+R DL)
DVD?RW (+R DL)
Manufacturer Warranty1 year warranty
2 years warranty
1 year warranty
1 year warranty
RAM2 GB (installed) / 8 GB (max) - DDR2 SDRAM - 667 MHz - PC2-5300
2 GB (installed) / 4 GB (max) - DDR2 SDRAM - 667 MHz
2 GB (installed) / 8 GB (max) - DDR2 SDRAM - 800 MHz - PC2-6400
1 GB (installed) / 16 GB (max) - DDR2 SDRAM - ECC - 667 MHz
Hard Drive (3rd)None
None
None
Info unavailable
Cache Memory8 MB L2 cache
8 MB L2 cache
8 MB L2 cache
8 MB L2 cache
Dimensions (WxDxH)8 in x 17.5 in x 16.5 in
8.6 in x 24.3 in x 22.5 in
Info unavailable8.1 in x 18.7 in x 20.1 in
OS ProvidedMicrosoft Windows Vista
Microsoft Windows Vista Home Premium
Microsoft Windows XP Media Center Edition 2005
Microsoft Windows XP Professional
Apple MacOS X 10.5
Processor1 x Intel Core 2 Extreme QX6700 / 2.66 GHz ( Quad-Core )
1 x Intel Core 2 Extreme QX6700 / 2.66 GHz ( Quad-Core )
1 x Intel Core 2 Extreme QX6700 / 2.66 GHz ( Quad-Core )
2 x Intel Xeon Dual Core 5150 / 2.66 GHz ( Dual-Core )
Hard Drive2 x 150 GB - Standard - Serial ATA-300
1 x 500 GB - Standard - Serial ATA-300
2 x 150 GB - Standard - Serial ATA-300
1 x 250 GB - Standard - Serial ATA-300
Product DescriptionGateway FX 530XT - Core 2 Extreme QX6700 2.66 GHz - 24 in TFT active matrix
Dell XPS 710 - Core 2 Extreme QX6700 2.66 GHz - 20 in TFT active matrix
Polywell Poly i680SLI - Core 2 Extreme QX6700 2.66 GHz
Apple Mac Pro Xeon Dual Core 5150 2.66 GHz
Product Form FactorTower
Tower
Tower
Tower
CommunicationsFax / modem - 56 Kbps
None
Info unavailableNone
Audio OutputSound card - 7.1 channel surround
Sound card - 7.1 channel surround
Sound card - 7.1 channel surround
Sound card
Cache Per Processor8 MB
8 MB
8 MB
4 MB ( 2 x 2 MB )
MonitorGateway FPD2485W - LCD display - 24 in - TFT active matrix
DELL UltraSharp 2007WFP - LCD display - 20 in - TFT active matrix
Info unavailableNone.
Full specifications Full specifications Full specifications Full specifications Full specifications
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