|
21.5-inch |
21.5-inch |
27-inch |
27-inch |
| Processor |
3.06GHz Intel Core i3 |
3.2GHz Intel Core i3 |
2.8GHz Intel Core i5 (quad core) |
| Cache |
4MB shared L3 cache |
8MB shared L3 cache |
| Display |
21.5-inch (viewable) LED-backlit glossy 16:9 widescreen TFT active-matrix display; 1920 by 1080 pixels; millions of colors; IPS technology |
27-inch (viewable) LED-backlit glossy 16:9 widescreen TFT active-matrix display; 2560 by 1440 pixels; millions of colors; IPS technology |
| Memory |
4GB (two 2GB SO-DIMMs) of 1333MHz DDR3 SDRAM; supports up to 16GB |
| Hard drive |
500GB Serial ATA5; 7200 rpm |
1TB Serial ATA5; 7200 rpm |
| Optical drive |
Slot-loading 8x SuperDrive with 4x double-layer
burning (DVD±R DL/DVD±RW/CD-RW) |
| Graphics |
ATI Radeon HD 4670 with 256MB of GDDR3 memory |
ATI Radeon HD 5670 with 512MB of GDDR3 memory |
ATI Radeon HD 5750 with 1GB of GDDR5 memory |
| Video |
iSight camera; Mini DisplayPort output with support for DVI, dual-link DVI, and VGA video (requires adapters, sold separately)
Mini DisplayPort output with support for DVI, dual-link
DVI, and VGA video (requires adapters, sold separately) |
iSight camera; Mini DisplayPort output with support for DVI, dual-link DVI, and VGA video (requires adapters, sold separately); supports input from external DisplayPort sources (adapters sold separately)
Mini DisplayPort output with support for DVI, dual-link
DVI, and VGA video (requires adapters, sold separately);
supports input from external DisplayPort sources (requires
cables and adapters, sold separately) |
| Ports |
Four USB 2.0 ports
One FireWire 800 port; 7 watts
One SDXC card slot |
| Audio |
Stereo speakers with two internal 17-watt high-efficiency amplifiers, microphone, optical digital audio output/headphone out, optical digital audio input/audio line in |
| Ethernet |
Built-in 10/100/1000BASE-T (Gigabit) |
| Wireless |
AirPort Extreme 802.11n Wi-Fi wireless networking2; Bluetooth 2.1 + EDR (Enhanced Data Rate) wireless technology |
| Included accessories |
Apple Wireless Keyboard and Magic Mouse |
| Other |
IR receiver |
IR receiver; optional VESA Mount Adapter Kit |
Size
(H x W x D) |
17.75 x 20.8 x 7.42 inches
45.1 x 52.8 x 18.85 cm |
20.4 x 25.6 x 8.15 inches
51.7 x 65.0 x 20.7 cm |
| Weight |
20.5 pounds
9.3 kg |
30.5 pounds
13.8 kg |