The Radeon RX Vega 56 is the weakest member of AMD's Vega GPU family. The Vega architecture is built on 14 nm silicon and contains next-generation compute units (nCUs). Each NCU houses 64 steam processors, of which the Vega 56 has 3584 vs. 4096 in the Vega 64. The new architecture employs 8GB of second generation high-bandwidth memory (HBM2). In terms of compatibility all of the games we tested were fine apart from GTAV where enabling reflection MSAA resulted in very poor, almost matt, reflection fidelity (the same bug appeared on several Navi and Vega cards). Although the Vega 56 has 12.5% less processing units, users have found that by flashing an RX 64 BIOS into an RX 56 card allows a 10% increase in OC headroom which effectively brings a BIOS flashed RX 56 onto par with a stock RX 64 and just 12.5% slower than a fully overclocked RX 64. All of this OC headroom is great on paper but in the real world the reference Vega 56 is far too noisy. Hair dryer levels of noise at stock clocks are unacceptable for most users. Provided you are partially deaf or happy to use noise canceling headphones the Vega 56 “can” deliver levels of performance that approach an RTX 2060 but prices need to drop below $200 before the Vega 56 is competitive. ^{[Nov '19 GPUPro]}

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