XFX Radeon RX 6700 XT Merc 319 review: Big, beautiful, and utterly silent

The Radeon RX 6700 XT is here, and once again, XFX returns with an absolutely spectacular custom spin on AMD’s new GPU—if you have room for it in your case, that is.

The $570 XFX Radeon RX 6700 XT Merc 319 costs $90 more than the reference card (and will no doubt sell for much more than that on the street during today’s crippling GPU shortage), but you get a lot for your cash: A big, bold, barn-burning graphics card capable of fueling no-compromises 1440p gaming experiences without making a peep. Seriously, this graphics card is downright inaudible. It looks amazing too, with one of the cleanest and most aesthetically pleasing custom designs in recent memory.

Let’s dig in.

XFX Radeon RX 6700 XT Merc 319 specs, features, and design

xfx radeon rx 6700 xt merc 319 7 Brad Chacos/IDG

The XFX Merc 319 is built around the same “Navi 22” GPU as all Radeon RX 6700 XT models (including the Sapphire Nitro+ we reviewed yesterday). That means it includes screaming-fast clock speeds, support for Smart Access Memory and real-time ray tracing, access to all of AMD’s modern Radeon Software features, and an ample 12GB of GDDR6 memory bolstered by 96MB of ultra-fast on-die Infinity Cache.

For a deeper look at the best new features found in the Radeon RX 6000-series, be sure to check out our RDNA 2 deep dive. (RDNA 2 is the name of the energy-efficient graphics architecture powering AMD’s latest GPUs.)  Here’s a refresher on the Radeon RX 6700 XT’s specific technical details next to the RX 5700 XT it’s replacing:

spec comparison AMD

…and here’s a rundown of the XFX Merc 319’s particular product specifications.

merc 319 specs XFX

XFX tuned its flagship RX 6700 XT variant to run faster than the reference version, with Game Clock speeds rated up to 2,548MHz and a higher 211-watt power limit, up from the default 186 watts. We observed the card actually landing close to those speeds, with the GPU clock hovering between 2,535MHz and 2,548MHz during a looped F1 2020 run.

As you’ll see in our benchmarks, that from-the-factory boost made no practical difference in gaming frame rates, but it’s an encouraging sign for people who want to put the Merc 319’s beefy custom cooler to work with a manual overclock. The card comes with a pair of 8-pin power connectors, up from the 8-pin and 6-pin reference configuration, to further assist in those endeavors.

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