HOW WE TEST

Our bench­mark­ing tests are the best in the busi­ness. Read on to find how they work…

PC & Tech Authority - - REVIEWS | INTRO -

2D TESTS

Desk­top PCs and lap­tops are tested us­ing our own cus­tom bench test­ing suite, which has been care­fully de­signed to test all as­pects of a sys­tem and rate them in a way that’s use­ful to you. Our bencht­est­ing cover three main tests: a typ­i­cal video edit­ing test, a de­mand­ing 4K video edit­ing test and a mul­ti­task­ing test that stresses all as­pects of the sys­tem. We look at the time it takes for each test to run, which is then com­pared to our ref­er­ence PC to pro­duce a nor­malised re­sult. This score is shown on a graph, and to help you un­der­stand just where the PC we’re re­view­ing sits in the grand scheme of things, we will of­ten in­clude other sys­tem’s scores.

On oc­ca­sion we will run pub­li­cally avail­able bench test­ing soft­ware, pre­dom­i­nantly PCMark 10 from Fu­ture­mark. This is run in the Home set­ting, in Ac­cel­er­ated mode. You can get PCMark 10 as well as 3DMark (below) from www.fu­ture­mark.com

3D TESTS

For video cards, as well as In­te­grated Graph­ics Pro­cess­ing Units, we use:

• 3DMARK FIRESTRIKE

• RISE OF THE TOMB RAIDER

• TO­TAL WAR: WARHAM­MER 2

• GHOST RECON WILD­LANDS

3DMark is de­signed specif­i­cally to test video cards, and you can down­load and run the same tool as us to help you gauge where your own GPU ranks com­pared to what we are re­view­ing.

The games were se­lected be­cause they are rel­a­tively well bal­anced in per­for­mance be­tween AMD and Nvidia, favour­ing nei­ther. Rise of the Tomb Raider sup­ports DX12. Ghost Recon Wild­lands is a cut­ting edge 3D en­gine and can be op­ti­mised to stress ei­ther the CPU or GPU, while To­tal War: Warham­mer is par­tic­u­larly good at stress­ing CPUs, and has beta DX12 sup­port.

Tests are run us­ing three res­o­lu­tion ranges, de­pend­ing on where the GPU sits in the mar­ket:

EN­TRY LEVEL: 1920 X 1080 MID-RANGE: 1920 X 1080 – 2560 X 1440 HIGH-END: 4K

BAT­TERY TESTS

Screen bright­ness is set to 120cd/m2, play­ing a 720p video on loop un­til the de­vice runs out of power.

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