Dell Dimension E521 review: Dell Dimension E521

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CNET Editors' Rating

3.5 stars Very good
  • Overall: 7.3
  • Design: 6.0
  • Features: 8.0
  • Performance: 7.0
  • Service and support: 8.0
Review Date:
Updated on:

The Good Fast dual-core AMD CPU lends bang for the buck; Vista runs with no hitches; roomy 320GB hard drive will please digital media archivists.

The Bad Weak graphics card is fast enough for Vista, but that's about it, and there's no faster option available with this model.

The Bottom Line Dell's Dimension E521 doesn't have many bells and whistles, but a powerful dual-core AMD processor lends it unexpected performance and strong bang for the buck. Its speed, Vista Home Premium's Media Center functions, and multiple storage options make this a strong PC for archiving and showing off your digital media.

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Most of the hardware behind Dell's midrange Dimension E521 isn't that new. What is exciting is that Dell now offers it with Windows Vista Home Premium. The Dimension E521 in general is a typically customizable Dell PC, and the $1,029 configuration we received demonstrates that if you pick the right parts, you can make a strong, Vista-capable Dell that's competitively priced. We wouldn't recommend a Dimension E521 for 3D gameplay or for heavy, video-oriented multimedia work. During the first months of Vista you should also read up on any early bugs and compatibility issues and check in with multiple vendors to see how well they've updated their product lines and to learn about the deals they're offering. If you have to purchase a strong, straightforward Vista PC right at launch, though, Dell's Dimension E521 is a solid midrange choice.

We're used to seeing weak graphics cards in mainstream desktops, although we've been hoping that the hardware demands of Windows Vista would encourage vendors to take graphics a little more seriously. The ATI Radeon X1300 Pro 3D card is the best option Dell offers for the Dimension E521, and this surprised us because it's a HyperMemory card, which means, despite having its own 256MB of RAM, it will also bite off some of the system memory when the graphics need an extra boost. It's better than an integrated chip, at least, and Dell offset this issue by loading up our review unit with 2GB of 533MHz DDR2 SDRAM and pairing the memory with a powerful 2.6GHz Athlon 64 X2 5000+ processor. As our tests showed, that core configuration is powerful enough to get Vista to run well enough, as long as you keep your ambitions modest.

Adobe Photoshop CS2 image-processing test
(Shorter bars indicate better performance)
In seconds  

Apple iTunes encoding test
(Shorter bars indicate better performance)
In seconds  

CineBench
(Longer bars indicate better performance)
Rendering Multiple CPUs  
Rendering Single CPU  
Gateway DX420X
736 
399 
Dell Dimension E521
717 
387 
iBuyPower Value-640
654 
355 
Shuttle XPC X200
445 
244 

Our application tests tell the most important story about the Dimension E521: its fast CPU pays off big in bang for the buck. Our major comparison system here is the Gateway DX420X, a $1,600 PC that has a faster Intel Core 2 Duo E6600 chip in it. Naturally, the more expensive Gateway PC beats the $1,000 Dell, but every test other than our game tests, it didn't win by much. The Dimension E521 came in at a near tie with the Gateway on our iTunes test, which shows us that Dell is offering a strong deal in overall computing with this PC.

Quake 4 performance (in fps)
(Longer bars indicate better performance)
1,024x768 (4X AA, 8x AF)  

The one big drawback is that the Dimension E521's CPU can't make up for the weak graphics card. The Dell couldn't even manage a playable frame rate on our most forgiving Quake 4 test. Typically, we'd recommend just upgrading to a better graphics card on the configurator, but the ATI Radeon X1300 is the highest-end model Dell offers with the Dimension E521. The message, then, is that if you want even a passable game PC from Dell, you're better off looking at the XPS line.

If you're not into gaming, though, there's plenty this Dimension E521 can do. Its 320GB hard drive and combination of DVD burner and DVD/CD-RW optical drives make it more than capable for archiving your photos, music, and video files. Otherwise, this is a fairly spare PC, with no audio card, TV tuner, or other extras, in either hardware or software. You'll find the usual assortment of upgrades on Dell's Web site, including monitors, printers, software bundles, TV tuners, and so on. A single spare hard drive bay stands ready to accept a second drive if you decide you want more internal storage. There's room for one standard PCI card and a single x1 PCI Express card, so you have some leeway for pre- or post-purchase component upgrades as well. Dell also continues to run its aggressive, ever-changing offers with its systems. At the time of this writing, Dell was highlighting free shipping and handling and an instant $170 rebate on the Dimension E521.

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Where to Buy

Dell Dimension E521

Part Number: DDCWBA3_7 Released: Jan. 30, 2007

This product is no longer available.
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Quick Specifications

  • Release date Jan. 30, 2007