(Longer bars indicate better performance)
|Rendering Multiple CPUs||Rendering Single CPU|
The performance gap between the HP and the Lenovo is persistent across our benchmark tests. In clock speed, as well as in available processing threads, the HP's 2.8GHz, four-core/eight-thread Core i7 chip is faster than the Lenovo's 2.5GHz four-core/four-thread Core i5 2500S. The disparity isn't huge, and the Lenovo's extra RAM helps it stay competitive, but if you demand top speed, your best bet is the HP.
One criticism I have for both PCs is the absence of an HDMI input. Lenovo does offer a TV tuner, but that's a poor substitute for an HDMI-in, which can turn your all-in-one into a second display for use with any modern video source component. The Lenovo is even primed for this feature; you can see the spot for the unused port on the back of the system, and it offers a button to swap the video input on the right side of the chassis. HP at least offers the possibility of adding an HDMI input via a $50 upgrade, but that should be a standard feature for every all-in-one out there, since it's cheap and offers a dramatic increase in system utility.
The inputs you do get with the Lenovo also feel spare. You get six USB 2.0 jacks, an Ethernet input, an old PS/2 keyboard port, an SD Card slot, and a pair of analog audio jacks. USB 3.0, standalone video output, and digital audio are all absent, making this system a disappointment in terms of its connectivity.
Lenovo's service and support policies hold to the near-universal industry standard of one year of parts and labor accompanied by a 24-7 toll-free tech support number. You can add at-home service and extended warranty coverage if you purchase your system online from Lenovo directly. You will find basic drivers and documentation on Lenovo's support site, but we wish the site gave you more direct access to the product-specific information.
Comparing midrange all-in-ones depends heavily on pricing, and finding a stable figure for a given product these days can be near impossible with the preponderance of short-term promotions and retailer-specific discounts. As long as the spread remains consistent between the HP Omni 220 and the Lenovo IdeaCenter B320, the HP system is faster, has a larger display, and has better overall features. The only exception comes with the Lenovo's 2TB hard drive. If storage volume is your top priority, the IdeaCentre B320 is worth a look.
Find out more about how we test desktop systems.
Acer Aspire Z5771 (Late Winter 2011)
Microsoft Windows 7 Home Premium 64-bit (SP1); 3.3GHz Intel Core i3-2120; 4GB 1,333MHz DDR3 SDRAM; 64MB Intel HD Graphics 1000 embedded graphics chip; 1TB 5,400rpm hard drive
Apple iMac 21.5-inch (Spring 2011)
Apple OS X Snow Leopard 10.6.7; 2.5GHz Intel Core i5 2400; 4GB 1,333MHz DDR3 SDRAM; 512MB AMD Radeon HD 6750 graphics card; 500GB 7,200rpm hard drive
Dell Inspiron One 2320 (Fall 2011)
Windows 7 Home Premium SP1 (64-bit); 2.5GHz Intel Core i5 2500S; 8GB 1,333MHz DDR3 SDRAM; 1GB Nvidia GeForce 525M; 2TB 7,200rpm Seagate hard drive
HP Omni 220 1080QD
Microsoft Windows 7 Home Premium 64-bit (SP1); 2.8GHz Intel Core i7-2600s; 6GB 1,333MHz DDR3 SDRAM; 1GB AMD Radeon HD 6450A graphics card; 1TB 7,200rpm hard drive
Lenovo IdeaCenter 77601TU (Late winter 2011)
Windows 7 Home Premium SP1 (64-bit); 2.7GHz Intel Core i5 2500S; 8GB 1,333MHz DDR3 SDRAM; 1GB AMD Radeon HD 6450A discrete graphics card; 2TB 7,200rpm Hitachi hard drive
Samsung Series 7 (Summer 2011)
Microsoft Windows 7 Home Premium 64-bit (SP1); 2.7GHz Intel Core i5-2390T; 8GB 1,333MHz DDR3 SDRAM; 64MB Intel HD Graphics 1000 embedded graphics; 1TB 7,200rpm hard drive
Toshiba DX735-D3201 (Fall 2011)
Windows 7 Home Premium SP1 (64-bit); 2.4GHz Intel Core i5 2430M; 4GB 1,333MHz DDR3 SDRAM; 64MB Embedded Intel HD Graphics 3000; 1TB 7,200rpm Seagate hard drive
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