Radeon R9 390X is a new high-end card from AMD. Carefully positioned in the market and it isn't as expensive as the hyper-powerful Fury X and GTX 980 Ti, which means it’s within reach of many more gamers. It’s a more affordable proposition, and it’s designed to play games at 1440p, which is a sweet-spot that bridges the gap between 1080p and 4k . R9 390X is built using older hardware that's been upgraded, and is designed to take on the Nvidia GeForce GTX 980 which is one of the most popular cards around.
The R9 390X has a whopping 2,816 stream processors. They’re split into compute units with 64 individual processors inside, and 11 of these compute units sit inside four Shader Engines that create the core. R9 390X has been tweaked by AMD . The core clock has been increased from 1,000MHz to 1,050MHz and TDP has dropped from 290W to 275W . R9 390X has 8GB of GDDR5 memory which is twice as much as the R9 290X. It’s clocked at 6,000MHz, which is faster than the older card, and it delivers a total bandwidth figure of 384GB/sec.
The R9 390X has 6.2 billion transistors and is built around a 28nm manufacturing process. R9 390Xis configured with GDDR5 ports. the HDMI connection can’t carry a 4K signal at 60Hz, so you’ll have to use the DisplayPort plug. It requires at least single eight- and six-pin power connectors, although some third-party cards maybe in need of a bit more power . Tweaked versions of the R9 390X are available from MSI, Gigabyte, XFX and Sapphire.
The R9 390X has impressive performance on paper, but it’s not without its shortcomings. Its TDP might have dropped since the last generation of AMD cards, now at 275W, but it’s still far higher than the competition--the GTX 980 peaks at just 165W.It has support for AMD’s Mantle and Vulcan
APIs as well as DirectX 12. Radeon R9 390X is designed for 1440p gameplay and outpace the GTX 980, and it does well on both counts: every game played smoothly at 2,560 x 1,440, and it opened up a modest lead on Nvidia’s card in the majority of our benchmarks.
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