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The Radeon RX 490 is listed on an online retailer, and could be revealed soon

amd radeon rx 400 refreshed 500 480 001
A listing of an unannounced Radeon RX 490 graphics card by AMD has appeared online. The hardware details aren’t provided, and the online retailer even lists the second half of 2016 as the release date. Given that we’re already into December, that launch window is still possible due to the company’s plans to provide a public event on December 13 for showcasing live demos of desktop processors based on its Zen CPU design. This could give AMD the opportunity to officially announce this card.

The deal with this listing is that it doesn’t say anything outside of it supporting CrossFire mode, a PCI Express 3.0 bus, and DirectX 12. However, that hasn’t stopped observers from assuming that the card is based on AMD’s upcoming Vega graphics chip design rather than the current Polaris architecture used in the Radeon RX 460, RX 470, and RX 480 cards now on the market.

Here are the unofficial hardware specs that have leaked thus far regarding the four Vega variants:

  Vega 10 Vega 10 Dual Vega 11 Vega 20
Process node: 14nm FinFET 14nm FinFET 14nm FinFET 7nm FinFET
Cores: 4,096 8,192 2,304+ 4,096
Base clock: 1,465MHz 1,100MHz+ unknown 1,465MHz+
Boost clock: unknown unknown unknown unknown
Memory: 16GB HBM2 32GB HBM2 unknown 32GB HBM2
Memory bus width: 4,096-bit 4,096-bit x2 unknown 4,096-bit
Memory bandwidth: 512GB per second 1TB per second unknown 1TB per second
Thermal design power: 225 watts 300 watts unknown 150 to 300 watts
Performance: 12 TFLOPS 18 to 23TFLOPS unknown 12 TFLOPS

What doesn’t make sense is the idea that AMD would introduce a new graphics chip architecture in the Radeon RX 400 series. Presumably AMD would launch a whole new series of cards based on its Vega design for the high-end “enthusiast” PC gaming market while the Radeon RX 400 Series continues to feed the general PC market. That said, the image provided in the RX 490 listing (which looks to be the RX 480) is undoubtedly a placeholder, and the product could easily be based on AMD’s dual-GPU Polaris 10 design that’s slated to arrive this month.

We don’t know much about the dual version of Polaris 10, only that it’s expected to have a performance of 11 TFLOPS, a base clock speed of 1,200MHz, and around 4,608 cores. Like the rest of the Polaris lineup, the dual version will be based on 14nm process technology that uses fin-shaped FinFET transistors.

The Radeon RX 490 listing shows up after reports surfaced regarding a Pro 490 model slated for Apple Mac Pro computers. Like the consumer model, this card is supposedly based on AMD’s Vega graphics chip design, too, and is scheduled to arrive in May 2017. AMD previously stated that cards based on its Vega design won’t arrive until the first quarter of 2017, so the Radeon Pro 490 rumor makes more sense than the rumored consumer-focused RX 490 launch window.

Here are a few alleged numbers comparing the performance of the Radeon Pro 490 against Nvidia’s GeForce GTX 1070:

Radeon Pro 490 Geforce GTX 1070
3DMark FS Ultra: 5,000 4,529
3DMark FS Extreme: 9,490 8,966
3DMark FS Time Spy: 6,510 5,749

The thing to keep in mind is that AMD typically releases Pro variants of their cards after the consumer models hit the streets. If that’s the case here, then AMD appears to be still on target to release Vega-based RX models in the first quarter of 2017 followed by the Pro versions in the second quarter. But, as always, everything here is mere rumor, assumption, and “leaks” until AMD officially flashes us with its Vega-based goodness. Hopefully we’ll get a glimpse in a few weeks.

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