Valorant
1440p@240Hz·17:48 played
PD·16h ago
Public3 Tips
406
FPSAverage
270
FPS1% Low
46%/76°C
42%/86°C
32 GB
40%usage
Radeon HD 7990 vs Radeon RX 7900 XTX
The Radeon HD 7990 is much slower than the Radeon RX 7900 XTX on average across 100+ games and it's also a much worse value for money, as it's only $1,059.01 cheaper!
Radeon HD 79904% Score
Radeon RX 7900 XTX65% Score
- Up to 1268% faster on average across 100+ games
- Is 9 years and 8 months newer
- Up to 1268% better value for money
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 XTX has 1399% more compute power.
Pixel Fillratehelp
Radeon RX 7900 XTX fills pixels 1399% faster.
Texture Fillratehelp
Radeon RX 7900 XTX maps textures 649% faster.
Memory Bandwidthhelp
Radeon RX 7900 XTX moves data 233% faster.
GDDR5
Memory Typehelp
GDDR6384-bit
Memory Bushelp
384-bitSouthern Islands (HD 7900)
Generationhelp
Navi III (RX 7000)Desktop
Segmenthelp
Desktop-
Power Connectorshelp
--
Outputshelp
-Frequently Asked Questions
compare_arrowsWhich is better, Radeon HD 7990 or Radeon RX 7900 XTX?expand_more
The Radeon RX 7900 XTX. It's 1525% faster than the Radeon HD 7990 on average across 100+ games, scoring 65/100 vs 4/100 in our gaming rating.
speedHow much faster is Radeon RX 7900 XTX than Radeon HD 7990?expand_more
1525% 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 HD 7990 or Radeon RX 7900 XTX?expand_more
The Radeon RX 7900 XTX 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 XTX worth buying in 2026?expand_more
It scores 65/100 in our gaming rating, faster than most GPUs on the market. Good buy if the price is right.
differenceWhat is the difference between Radeon HD 7990 and Radeon RX 7900 XTX?expand_more
Performance: Radeon HD 7990 scores 4/100, Radeon RX 7900 XTX scores 65/100. They also differ in VRAM, memory bandwidth, power draw, and compute performance. Full breakdown in the specs section above.
compressWill the Radeon HD 7990 or Radeon RX 7900 XTX 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 HD 7990 or Radeon RX 7900 XTX?expand_more
The Radeon RX 7900 XTX is the stronger pick at 65/100. Compare your current GPU against it to see the exact FPS gain across 100+ games.
memoryDoes VRAM matter when comparing the Radeon HD 7990 and Radeon RX 7900 XTX?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
HD 7990 vs RTX 5060 TiHD 7990 vs RTX 5060HD 7990 vs RTX 5070 TiHD 7990 vs RTX 5080HD 7990 vs RX 9070 XTHD 7990 vs RTX 5090HD 7990 vs RX 9060 XT 16 GBHD 7990 vs Arc B580HD 7990 vs GTX 1660 SUPERHD 7990 vs RX 7600HD 7990 vs RX 7700 XTHD 7990 vs RX 580HD 7990 vs GTX 1660HD 7990 vs RX 6800HD 7990 vs Arc A310HD 7990 vs Arc A580HD 7990 vs Arc B570HD 7990 vs RX 7800 XTHD 7990 vs RTX 4090HD 7990 vs RX 480HD 7990 vs Arc A770HD 7990 vs R7 240HD 7990 vs R7 250RX 7900 XTX vs RTX 5060 TiRX 7900 XTX vs RTX 5060RX 7900 XTX vs RTX 5070 TiRX 7900 XTX vs RTX 5080RX 7900 XTX vs RX 9070 XTRX 7900 XTX vs RTX 5090RX 7900 XTX vs RX 9060 XT 16 GBRX 7900 XTX vs Arc B580RX 7900 XTX vs GTX 1660 SUPERRX 7900 XTX vs RX 7600RX 7900 XTX vs RX 7700 XTRX 7900 XTX vs RX 580RX 7900 XTX vs GTX 1660RX 7900 XTX vs RX 6800RX 7900 XTX vs Arc A310RX 7900 XTX vs Arc A580RX 7900 XTX vs Arc B570RX 7900 XTX vs RX 7800 XTRX 7900 XTX vs RTX 4090RX 7900 XTX vs RX 480RX 7900 XTX vs Arc A770RX 7900 XTX vs R7 240RX 7900 XTX vs R7 250