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Radeon RX 6900 XT — RDNA 2 · 16 GB GDDR6 · 300 W
AMD

Radeon RX 6900 XT

RDNA 2 · 16 GB GDDR6 · 300 W

82
/ 100
From $999
VS
Radeon RX 9080 XT wins by 11
Radeon RX 9080 XT — RDNA 4+ · 24 GB · 380 W
AMD

Radeon RX 9080 XT

RDNA 4+ · 24 GB · 380 W

93
/ 100
From $899
Specdex verdict

Radeon RX 9080 XT takes it — here’s why.

In our weighted Specdex score, Radeon RX 6900 XT lands at 82 and Radeon RX 9080 XT at 93. That puts Radeon RX 9080 XT ahead by 11 points — a decisive margin driven mostly by its strengths in the categories below.

Pick Radeon RX 6900 XT if…

  • ✓More VRAM at price tier
  • ✓FSR support
  • ✓Driver open-source on Linux

Pick Radeon RX 9080 XT if…

  • ✓Latest generation silicon
  • ✓Improved perf-per-watt
  • ✓Full modern feature set
Radeon RX 6900 XT 82
vs
93 Radeon RX 9080 XT

Score breakdown

Radeon RX 6900 XT
82
raster 82
rt 72
ai 67
efficiency 76
Radeon RX 9080 XT
93
raster 93
rt 94
ai 94
efficiency 80

Specs side-by-side

Radeon RX 6900 XT versus Radeon RX 9080 XT — full spec comparison
Spec Radeon RX 6900 XT Radeon RX 9080 XT
Architecture
RDNA 2
RDNA 4+
VRAM
16 GB GDDR6
▲ 24 GB GDDR6
TBP
300 W
380 W
Release year
2020
2025

Radeon RX 6900 XT

Pros
  • +More VRAM at price tier
  • +FSR support
  • +Driver open-source on Linux
Cons
  • −RT trails NVIDIA
  • −AI ecosystem smaller
  • −Driver day-0 bugs

Radeon RX 9080 XT

Pros
  • +Latest generation silicon
  • +Improved perf-per-watt
  • +Full modern feature set
Cons
  • −Premium pricing
  • −Requires up-to-date platform
  • −Initial stock scarcity likely

FAQ: Radeon RX 6900 XT vs Radeon RX 9080 XT

Which is better, Radeon RX 6900 XT or Radeon RX 9080 XT? +

Radeon RX 9080 XT scores 93 on our weighted rubric — ahead by 11. Your best pick depends on the sub-scores above.

Is Radeon RX 6900 XT worth the price? +

At $999, Radeon RX 6900 XT delivers a Specdex score of 82 — strongest in raster.

Is Radeon RX 9080 XT worth the price? +

At $899, Radeon RX 9080 XT delivers a Specdex score of 93 — strongest in rt.

Does Radeon RX 6900 XT or Radeon RX 9080 XT last longer? +

Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.