Samsung has announced that it is mass producing 8GB DDR3 memory modules for laptops and mobile workstations.

According to Samsung, the 8GB high density 40-nanometer module operates at 1333MHz and uses 1.5 volts of power, providing “about a 67 percent savings in power consumption over 1.8V DDR2″. Also, 8GB DDR3 memory consumes 53 percent less power than two 4GB DDR3 modules.

The fist laptop with Samsung’s new memory is the Dell Precision M6500 mobile workstation which features up to four 8GB SoDIMM modules for a total of 32GB RAM.

Samsung’s 15.6-inch R590 multimedia notebook is now available in the UK and Australia.

The Samsung R590 is a more powerful version of the R580 and features the Intel Core i5-450M 2.4GHz processor, Nvidia GeForce GT330M 1GB dedicated graphics, 4GB of DDR3 memory, 500GB of hard disk space, a DVD burner, and a 6-cell battery.

Its LED-backlit glossy display has a resolution of 1366×768 pixels.

Samsung’s new laptop also includes an integrated 1.3MP web camera, stereo speakers, 802.11n Wi-Fi, Gigabit Ethernet LAN, Bluetooth 3.0, four USB ports (including an eSATA/USB combo), an ExpressCard slot, 3-in-1 card reader, and HDMI and VGA outputs.

The 4.8-pound R590-JS02 has a blue gradation finish and runs Windows 7 Home Premium OS.

It is available via Amazon UK (R590-JS02UK) for £809, which is around 1,247 USD, and JB HI-Fi (R590-JS02AU) for 1,298 AUD or about 1,152 USD. We have no info on pricing and availability in other countries.

The Acer Aspire AS5740, a 15.6-inch laptop with the new Intel Core i3 processor, is now available in the US.

E-tailers currently offer four AS5470 models – the AS5740-5513, AS5740-5144, AS5740-5255 and AS5740-5749, all with the Intel Core i3 330M 2.13GHz processor which includes the GMA HD integrated graphics. The notebooks also feature 4GB of DDR3 memory, a 6-cell battery for “up to four hours” of run time, a 1366×768 display, and Windows 7 Home Premium OS.

The AS5740-5513, S5740-5255 and AS5740-5749 have a 320GB hard drive, whereas the AS5740-5144 has a 500GB HDD. The S5740-5255 additionally includes Bluetooth, while the AS5740-5749 has a Blu-ray Combo drive, instead of a standard DVD burner in other models.

Acer’s new Aspire laptops sport built-in web camera and microphone, stereo speakers, Dolby Home Theater audio technology, 802.11n WiFi, an HDMI output, and a multi-touch trackpad.

The available models feature a blue lid and weigh around 6.16 pounds.

The Acer Aspire AS5740-5513, AS5740-5144, AS5740-5255 and AS5740-5749 are priced at $616.75 (Amazon), $649.99 (Amazon), $629.99 (TigerDirect), and $699.99 (Newegg).

The recently announced Lenovo G560 15.6-inch “Essential G Series” notebook is available now.

The offered G560 model (06792AU, Black) comes with the Intel Core i3-330M processor at 2.13GHz, the Intel GMA HD graphics, 4GB of DDR3 memory, 320GB of hard drive space, a DVD burner, a 6-cell battery, and Windows 7 Home OS.

The notebook’s 15.6-inch LED-backlit display has a resolution of 1366×768 pixels.

On its website, the PC maker didn’t provide info on networking options, as well as on ports and slots.

The Lenovo G560 configuration has a price tag of $849 at the Lenovo website.