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The tests were performed in a controlled air conditioned room with temperatures maintained at a constant 25c – a comfortable environment for the majority of people reading this.
Idle temperatures were measured after sitting at the desktop for 30 minutes. Load measurements were acquired by playing Crysis Warhead for 30 minutes and measuring the peak temperature. We also have included Furmark results, recording maximum temperatures throughout a 30 minute stress test. All fan settings were left on automatic.
With three cards in the system, the temperatures rise by 3-5 c under load as the fans on each card spin higher to try and combat the rising ambient temperatures. The reference cooler struggles to remove the heat produced by three cards in Crossfire.
£1,500 just for the graphics cards, lol. Any chance you could offer that system up for a competition? 🙂
Thank you so much for the comprehensive comparison with other cards. You may choose a body part for me to kiss. I love having a lot of references in reviews.
lol, who is this article for, the rich and famous? one card is too much for most people I would imagine
Good article, shows that two is the best performance option really, unless you are chasing synthetic figures like in 3dmark11. thanks.
hard core ! wow
I really would have liked to have seen this trifire setup vs 6970 Trifire and 6990+6970 Trifire since that’s what many of us enthusiasts are rocking and we need to know how much needs to be spent to beat this performance.
I would have loved to have had time to test all that too, but unfortunately not this time.
Good review, I would wait for the custom asus card too, probably be £50 more, but if you are spending £500 its not a big deal. Asus made some great modded GTX580’s. they will do the s ame with the 7970, might be march though.
Great review. I always like reviews from KitGuru, particularly written by Zardon, many aspects and comparisons reviewed in detail.
If possible, please review the Asus HD 7970 DirectCU II (as single card), focus for game resolution 1200p or 1080p, please consider also Civilization V (with latest Catalyst, WHQL and Beta version), also compare performance of DirectCU II vs Accelero Xtreme 7970 (if it can be used on the Asus HD 7970 DirectCU II).
Not nit picking but the XFX DD uses a custom dual fan cooler slapped on a reference PCB, not a custom PCB as you said in the opening of your conclusion. Not saying a custom PCB would be better as some companies make their custom PCBs using cheaper materials (such as Power Color) than in the reference model to cut costs, but readers and potential buyers need to get the full picture.
Absolutely correct. My bad.