Kobalt G860 Laptop Review

Written by Clive Webster

January 12, 2010 | 08:47

Tags: #17in #core-i7-laptop #gaming-laptop #gtx-280m

Companies: #kobalt-computers

Crysis

Publisher: Electronic Arts

We patch Crysis to v1.21 and run it in DirectX 10 mode with High detail settings at the native resolution of the laptop's screen with 2x AA and no AF to give a reasonably real-world test.

We load a save game in the Relic level and play the game for roughly three minutes, following a strictly defined sequence of actions and movements. We repeat this test three times, or until a reliable set of results is achieved. The consistent results are then averaged to give the figures below.

This is the best way to test how the CPU and GPU affects game performance, as the game will be generating AI and physics and game rules for the CPU to perform. A timedemo addresses the system in a noticeably different way.

Crysis (1,680 x 1,050)

Crysis v1.21, DX10, High, 2x AA no AF

  • Rock Xtreme 790 (2.66GHz Core i7-920 + GTX 280M)
  • Kobalt G860 (1.6GHz Core i7-720GM + GTX 280M)
  • Alienware M17x (2.8GHz T9800 + GTX 260M)
    • 22
    • 19
    • 21
    • 17
    • 20
    • 15
0
5
10
15
20
25
fps (higher is better)
  • Average
  • Minimum

Batman: Arkham Asylum

Publisher: Eidos

We installed Batman: Arkham Asylum for the review as it's more popular than Crysis and will give an idea of how the Kobalt G860 deals with games that haven't been forged for the sole purpose of making GPUs wet their pants. Having a lot of black in it, the Batman title also gives us a good indication of how the laptop will deal with the delivery of said colour.

Batman: Arkham Asylum

1,600 x 900, 4x AA

  • Kobalt G860 (1.6GHz Core i7-720GM + GTX 280M)
    • 48
    • 41
0
10
20
30
40
50
fps (higher is better)
  • Average
  • Minimum

Battery Life

We test each laptop for how long it can last when gaming, as gaming laptops are frequently pitched along the lines of 'gaming on the go' and 'fragging on the train'. Before testing, we turn off the low battery warnings and ensure that the laptop is set to use its whole battery life before dying. We run an applet that updates a text file with the time every minute, and then load our Crysis save game and let ourselves die and respawn. Once the battery dies, the applet won't be able to write any more, so we have our start and finish time.

Battery Life

When running Crysis

  • Alienware M17x (2.8GHz Core 2 Duo Mobile T9800)
  • Kobalt G860 (1.6GHz Core i7-720QM)
  • Rock Xtreme 790 (2.66GHz Core i7-920)
  • 97
  • 71
  • 54
0
25
50
75
100
minutes (higher is better)

See the Results Analysis page for our take on what these numbers add up to.
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