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Sapphire 21308-01-20G Radeon RX 6900 XT vs Sapphire NITRO+ Radeon RX 7900 XTX

A side-by-side spec comparison of the Sapphire 21308-01-20G Radeon RX 6900 XT and the Sapphire NITRO+ Radeon RX 7900 XTX. We line up every specification, highlight the winner of each, and tally an overall verdict so you can decide which video card is right for your build.

Side-by-side specification comparison of Sapphire 21308-01-20G Radeon RX 6900 XT and Sapphire NITRO+ Radeon RX 7900 XTX.
Specification
TDP150W150W
VRAM16 GB24 GB
Length300 mm320 mm
ChipsetRadeon RX 6900 XTRadeon RX 7900 XTX
Video OutputsHDMI 2.1, DisplayPort 2.1HDMI 2.1, DisplayPort 2.1
VRAM TypeGDDR6GDDR6
Base Clock1825 MHz2300 MHz
Boost Clock1825 MHz2680 MHz

Sapphire 21308-01-20G Radeon RX 6900 XT

1

spec won

Sapphire NITRO+ Radeon RX 7900 XTX

3

specs won

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