Rust
4K@165Hz·05:13 played
LiamLewis·1h ago
Public
261
FPSAverage
204
FPS1% Low
76%/45°C
77%/48°C
32 GB
72%usage
Radeon RX 6400 vs Radeon RX 7900 XT
The Radeon RX 6400 is much slower than the Radeon RX 7900 XT on average across 100+ games and it's also a much worse value for money, as it's only $474.99 cheaper!
Radeon RX 64007% Score
- Up to 465% cheaper – $465.00 vs $939.99
Radeon RX 7900 XT57% Score
- Up to 655% faster on average across 100+ games
- Is 10 months newer
- Up to 34% better value for money
- Up to 465% more expensive – $939.99 vs $465.00
FPS Comparison Across Popular Games
Predicted average FPS at 1080p, 1440p, and 4K, based on real game benchmarks.
Specs & Benchmark Comparison
Side-by-side specs, synthetic benchmarks, and key hardware differences.
FP32 Computehelp
Radeon RX 7900 XT has 1344% more compute power.
Pixel Fillratehelp
Radeon RX 7900 XT fills pixels 519% faster.
Texture Fillratehelp
Radeon RX 7900 XT maps textures 622% faster.
Memory Bandwidthhelp
Radeon RX 7900 XT moves data 525% faster.
GDDR6
Memory Typehelp
GDDR664-bit
Memory Bushelp
320-bitNavi II (RX 6000)
Generationhelp
Navi III (RX 7000)Desktop
Segmenthelp
Desktop-
Power Connectorshelp
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Outputshelp
-Frequently Asked Questions
compare_arrowsWhich is better, Radeon RX 6400 or Radeon RX 7900 XT?expand_more
The Radeon RX 7900 XT. It's 714% faster than the Radeon RX 6400 on average across 100+ games, scoring 57/100 vs 7/100 in our gaming rating.
speedHow much faster is Radeon RX 7900 XT than Radeon RX 6400?expand_more
714% faster on average. The gap varies by game and resolution, check the per-game FPS comparison above.
aspect_ratioWhich is better for 1440p and 4K gaming, Radeon RX 6400 or Radeon RX 7900 XT?expand_more
The Radeon RX 7900 XT is faster at both resolutions. At 4K, VRAM matters more, check the specs section to compare memory. Toggle the resolution selector above to see per-game FPS.
paidIs the Radeon RX 7900 XT worth buying in 2026?expand_more
It scores 57/100 in our gaming rating, faster than most GPUs on the market. Good buy if the price is right.
differenceWhat is the difference between Radeon RX 6400 and Radeon RX 7900 XT?expand_more
Performance: Radeon RX 6400 scores 7/100, Radeon RX 7900 XT scores 57/100. They also differ in VRAM, memory bandwidth, power draw, and compute performance. Full breakdown in the specs section above.
compressWill the Radeon RX 6400 or Radeon RX 7900 XT bottleneck my PC?expand_more
Depends on the rest of your build, especially your CPU. Swap the paired CPU in the FPS section above to see if it limits performance, or use our bottleneck calculator for a full analysis.
upgradeIs it worth upgrading to the Radeon RX 6400 or Radeon RX 7900 XT?expand_more
The Radeon RX 7900 XT is the stronger pick at 57/100. Compare your current GPU against it to see the exact FPS gain across 100+ games.
memoryDoes VRAM matter when comparing the Radeon RX 6400 and Radeon RX 7900 XT?expand_more
Yes, more VRAM helps at higher resolutions and in modded games. Check the specs section above to compare memory capacity and bandwidth between both GPUs.
Popular Comparisons
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