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Apple iMac 27-inch compare (3.1GHz, spring 2011)

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Product	Apple iMac 27-inch (3.1GHz, spring 2011)	Apple iMac	Dell XPS One 27 (Windows 8)	Apple iMac (21.5-inch, 2.7GHz, fall 2012)	HP Pavilion 23-1000z
Price	$1,599.00 to $4,209.14	$1,849.99 to $1,999.00	MSRP: $2,099.00	$1,199.95 to $1,722.98	MSRP: $699.00
CNET editors' rating	4 stars	4 stars	4 stars	3.5 stars	3.5 stars
Average user rating	4 stars	3.5 stars	2.5 stars	3 stars	0 stars
Release date	May 3, 2011	Info unavailable	Info unavailable	Info unavailable	Info unavailable
Bottom line	We recommend Apple's new 27-inch iMac to digital media editors and others with serious performance needs on the strength of its impressive speed, its connected device potential, and its market-leading 27-inch display.	Apple sticks to the fundamentals with the new iMac, relying on design, strong features, and overall polish to maintain its leadership among high-end all-in-ones.	Updated with a touch screen, a new stand, and up-to-date components, the Dell XPS One 27 leads the inaugural class of Windows 8 PCs.	The 21.5-inch iMac will be a compelling lower-cost all-in-one for Mac loyalists, but you can get more capabilities from similarly priced Windows all-in-ones.	HP has made an aggressive move in the budget PC space with this big-screen all-in-one that will serve as an affordable, generally capable home computer.
Product Description	Apple iMac iMac (spring 2011) - Core i5 3.1 GHz - Monitor : LED 27 in	Apple iMac iMac (fall 2012) - 3rd Gen Core i5 3.2 GHz 27 in - Monitor : LED	- 3rd Gen Core i5 3450s 3.5 GHz 27 in	Apple iMac iMac (fall 2012) - 3rd Gen Core i5 2.7 GHz - Monitor : LED 21.5 in	- A4 5400K 3.6 GHz 23 in
Processor	1 x Intel Core i5 3.1 GHz ( Quad-Core )	Intel 3rd Gen Core i5 3.2 GHz ( Quad-Core ) 1 3 ( 3.6 GHz )	Intel 3rd Gen Core i5 3450s / 3.5 GHz	Intel 3rd Gen Core i5 1 3 2.7 GHz ( 3.2 GHz ) ( Quad-Core )	AMD A4 5400K / 3.6 GHz
Cache Memory	6 MB L3 cache	6 MB L3 cache	Info unavailable	6 MB L3 cache	1 MB
RAM	4 GB (installed) / 16 GB (max) - DDR3 SDRAM - 1333 MHz - PC3-10600	8 GB 32 GB (max) - DDR3 SDRAM - 1600 MHz	6 GB DDR3 SDRAM	8 GB (installed) / 16 GB (max) - DDR3 SDRAM - 1600 MHz	4 GB DDR3 SODIMM
Hard Drive	1 x HDD 1 TB - Serial ATA-300 - Serial ATA	1 TB 1 x HDD - Serial ATA-300 - Serial ATA	1 TB	1 x HDD 1 TB - Serial ATA-300 - Serial ATA	1 TB
Optical Storage	DVD±RW (±R DL)	None	8X Slot Load CD/DVD burner (DVD+/-R Drive)	None	Info unavailable
Monitor	27 in - LED - 2560 x 1440 - 16:9	27 in LED - 2560 x 1440	27 in	21.5 in - LED - 1920 x 1080 ( Full HD )	23 in
Graphics Controller	AMD Radeon HD 6970M	NVIDIA GeForce GTX 675MX	nVidia GeForce GT 640M 2GB GDDR5	NVIDIA GeForce GT 640M	Integrated graphics - AMD
Operating System	Apple OS X 10.8 Mountain Lion	Apple Mac OS X Mountain Lion	Microsoft Windows 8	Apple OS X 10.8 Mountain Lion	Windows 7 Home Premium [64-bit]
Full specifications	Full specifications	Full specifications	Full specifications	Full specifications	Full specifications
Buying choices	Apple Inc. $1,599.00 In stock: Yes Memory4Less.com $4,209.14 In stock: Yes Prices from 2 stores	Apple Inc. $1,999.00 In stock: Yes Amazon.com $1,874.99 In stock: Yes B&H Photo-Video $1,849.99 In stock: Yes Prices from 7 stores	MSRP: $2,099.00 See manufacturer website for availability.	Apple Inc. $1,299.00 In stock: Yes B&H Photo-Video $1,199.99 In stock: Yes Amazon.com $1,199.98 In stock: Yes Prices from 8 stores	MSRP: $699.00 See manufacturer website for availability.