Rock Xtreme 685 Series

Rock Xtreme 685-I7-2820QM

Specifications

Pricecompare

Average Score: 80% - good

Reviews

80% Rock Xtreme 685 review
Source: Techradar Archive.org version
All the features of a fully fledged HTPC in a laptop chassis
Single Review, online available, Very Short, Date: 10/22/2011
Rating: Total score: 80%

Rock Xtreme 685-I5-2540M

Specifications

Pricecompare

Average Score: 80% - good

Reviews

80% Rock Xtreme 685 Review
Source: Stuff TV Archive.org version
Its big weight and low battery life limit the Xtreme 685, and if you're after a general purpose laptop you can get better built models for much less. What you won't find, however, is a better specced games machine for a similar price. Thanks to an excellent screen, great processor and exceptionally powerful graphics, it may not be pretty, but it's got a mean punch.
Single Review, online available, Very Short, Date: 02/01/2012
Rating: Total score: 80%

80% Rock Xtreme X 685-I5-2540M review
Source: Tech Advisor Archive.org version
We can't help feeling that the Rock is expensive at £1249, though it does have an excellent graphics card and screen. We'd have liked to have seen a BD drive to expand the multimedia possibilities of this laptop. We've no complaints about the Core i5 processor or 6GB of RAM, but the battery life is a let-down.
Single Review, online available, Very Short, Date: 11/04/2011
Rating: Total score: 80%

Comment

Rock: Rock is a British laptop manufacturer and focusses the UK market.

Modern games should be playable with these graphics cards at low settings and resolutions. Casual gamers may be happy with these cards.

AMD Radeon HD 6970M:

High-end graphics card from AMD based on the desktop HD 6850 with  UVD3 video processing and Eyefinity+.

AMD Radeon HD 6990M: High-end graphics card from AMD based on the desktop HD 6870, but with slower clock rates. UVD3 decoding and Eyefinity+ technology are still supported.

» Further information can be found in our Comparison of Mobile Graphics Cards and the corresponding Benchmark List.

Intel Core i7: The Intel Core i7 for laptops is based on the LG1156 Core i5/i7 CPU for desktops. The base clock speed of the CPUs is relatively low, but because of a huge Turbo mode, the cores can dynamically overclock to up to 3.2 GHz (920XM). Therefore, the CPU can be as fast as high clocked dual-core CPUs (using single threaded applications) but still offer the advantage of 4 cores. Because of the large TDP of 45 W / 55 W, the CPU is only intended for large laptops.  

2820QM: Fast Quad-core processor based on the Sandy Bridge architecture with an integrated graphics card and dual-channel DDR3 memory controller. 

Intel Core i5:

2540M: Fast Dual-core processor clocked from 2.6 to 3.3 GHz (Turbo Boost 2.0) based on the Sandy Bridge architecture with an integrated graphics card and dual-channel DDR3 memory controller. 

» Further information can be found in our Comparison of Mobile Processsors.

» To find out how fine a display is, see our DPI List.

3 kg:

With this weight, a laptop is rather heavier than average. Devices in this range shine more with screen size and performance than with mobility.

3.1 kg:

A laptop with this weight is comparatively heavy and less designed for mobility than for use at the desk. Therefore, the devices tend to shine less with battery life than with a large screen and higher performance.

80%: This rating is not earth-shattering. This rating must actually be seen as average, since there are about as many devices with worse ratings as better ones. A purchase recommendation can only be seen with a lot of goodwill, unless it is about websites that generally rate strictly.

» Further information can be found in our Notebook Purchase Guide.

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