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When you run the numbers, Vega 56 can manage roughly 10.5 TFLOPS in single precision (fp32) performance, add to that a small bump in frequency and we reach roughly 11 TFLOPS. The 14nm FinFET LPP process based Vega 10 GPU is based on 12.5 billion transistors and is fitted with over 45MB of SRAM cache across the chip and thus holds either an 8GB (consumer) or 16GB (Pro) configuration. The reference Radeon RX Vega 56 is rated at 210 Watts total board power and has 56 CUs x 64 shader processors per CU (= 3584 shader processors). We'll test this card, and we'll soon learn what the tweaked Red Devil edition will do. Display output wise, PowerColor ditched DVI unfortunately, the cards offer 2x HDMI and two DP connectors.
Both of the new graphics cards require two 8-pin PCIe power connectors, with a recommended minimum power supply wattage of 750W. For display output, the cards feature two HDMI 2.0 and two DisplayPort 1.4 interfaces.
Basically, the design can deliver 300 Watts through the two power connectors and then another 75 Watts is fed through the PCI-Express slot (depending on how the phase distribution is configured). In theory, this means there is plenty left for GPU and memory tweaking. HBM2 tweaking, however, is not supported and clocked down at driver level by AMD. The backside is covered up and has a nice looking back-plate and sure, the card has got some LEDs.
As stated, monitor display outputs include two DisplayPort connectors (v1.4) and the two HDMI outputs are v2.0b compatible. Red Devil RX Vega 56 features that very specific shroud, and the metal back-plate and red accents. PowerColor offers both the Vega 64 with a total of 4,096 stream processors and a 1,607MHz boost clock and 945MHz memory clock with 8GB of HBM2 memory running on a 2,048-bit interface. The PowerColor Vega 56 also has the very same memory capacity (8GB HBM2, 2,048-bit), but with 3,584 stream processors clocked at a max boost of 1,526 MHz, it has a slightly lower memory clock of 800MHz.
Radeon RX Vega 56 comes with GPU power phase LED light activity which you can color red or blue depending on your preference (as well as on/off).
I mentioned this already, the card has multi-BIOS modes and feature three options: Silent, Standard, and OC. PowerColor does not mention what mode exactly entails in terms of clock frequencies and power limiters, but state Silent mode utilizing the middle Mute Fan that powers down when temperatures are below 60 degrees combined with a tweaked thermal profile and a changed (lowered) power limiter. Whatever you choose, it is always nice to have a fail-safe BIOS on-board of course.
