Some of you may have noticed we didn’t have coverage of the AMD Radeon team's launch of the RX 6800 and RX 6800 XT last week. Sadly we haven’t gotten in the reference cards, at least not yet. But I have had the chance to spend some time with one of the aftermarket RX 6800 XT’s, the XFX Speedster MERC 319 AMD Radeon RX 6800 XT BLACK to be exactly. The full name is a mouthful, but I was excited to see how XFX would follow up the 5000 series. They have changed things up completely with a new series of cards (Speedster) as well as Merc which stands for mercury, not mercenary which designates this is their high-end model. Today we get to get our first official look at the 6800 XT as well as put XFXs new cooler to the test. But only after I take a closer look at what all it has going on. So let’s dive in!

Product Name: XFX MERC 319 RX 6800 XT

Review Sample Provided by: XFX

Written by: Wes Compton

Amazon Affiliate Link: HERE


Model Number


Product Name

AMD Radeon™ RX 6800 XT

Bus Type

PCI-E 4.0

Stream Processors


Memory Bus

256 bit

Memory Clock

16 Gbps

Memory Size

16 GB

Memory Type


Card Profile

2.9 Slot

Thermal Solution

3 Fan

Clock Speeds


Base Clk: up to 1925MHz

Game Clk: up to 2110MHz

boost Clk: up to 2360MHz


Factory Default Setting

Base Clk: up to 1900MHz

Game Clk: up to 2090MHz

Boost Clk: up to 2340MHz

Power Phases

14+2 phase design (AMD was 10+2)

Display Connections

2x DisplayPort

1x USB-C


Card Dimension (cm) 34 x 13.9 x 5.7

Card Dimension (inch) 13.39 x 5.47 x 2.24


3 Years

Before diving into everything I do always take a look with GPUz to double-check that the listed specifications match up with what I am getting in my testing. Our Merc 319 has a boost clock speed of 2340 MHz which lines up with the balanced BIOS mode. This is also a nice overclock over a stock 6800 XT as well which has a clock speed of 2250 MHz. Sadly the BIOS revision wasn’t getting picked up by GPUz so we can’t document that. But I was testing on the latest public driver which is 20.11.2.

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