The Radeon R9 285X, the model that I told you about few times before, was canceled by AMD shortly before launch. To our surprise, it has finally made its first public appearance, more than 2 years after initial launch date.
【很久之前提到过的Radeon R9 285X，在发布会之前被取消了。但最近它在14年9月2号的发布会两年多后，首次现出真身。】
Tonga XT in R9 285X
【R9 285X，搭载Tonga XT】
This model was never just a rumor. It was supposed to arrive a month after R9 285, although it was quickly canceled. Plans to launch 285X were probably scrapped due to poor reception of Tonga power efficiency over Tahiti-based models — the R9 285X would clearly have higher power requirements than R9 285, so it would only get worse).
【R9 285X这个型号并不是只是传闻而已。它本应该在R9 285一个月后发布，但很快就被取消了。取消285X的发布计划可能是由于：Tonga在之前的Tahit
The photos were posted by ZealotKi11er, who is a member of Overclock.net forums:
【R9 285X配有6+8pin供电接口，5+1相供电。根据GPUZ信息285X标配应该是3GB GDDR5。】
And yes, it means that full Tonga initially had 2048 Stream Processors and 384-bit memory interface. This GPU was never released in such configuration. The only variant that was made public was 2048 SP version, but with 256-bit memory bus for Macs (Amethyst R9 M295X). It was also later available as R9 380X, but still with 256-bit bus (I guess AMD just wanted 4GB card, 384-bit would either mean 3GB or 6GB).
The user also tested it in Time Spy benchmark. It scored 3104 GPU points:
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