Iris Plus Graphics 640 Mobile vs Radeon RX 7900 XTX
The Iris Plus Graphics 640 Mobile is much slower than the Radeon RX 7900 XTX on average across 100+ games. We cannot compare value as at least one GPU is out of stock.
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.
Scorehelp
Radeon RX 7900 XTX ranks 61 points higher.
FP32 Computehelp
Radeon RX 7900 XTX has 7167% more compute power.
Pixel Fillratehelp
Radeon RX 7900 XTX fills pixels 7167% faster.
Texture Fillratehelp
Radeon RX 7900 XTX maps textures 1717% faster.
TDPhelp
Iris Plus Graphics 640 Mobile draws 340W less power.
System-Shared
Memory Typehelp
GDDR6System-Shared
Memory Bushelp
384-bitHD Graphics-M (Kaby Lake)
Generationhelp
Navi III (RX 7000)Integrated
Segmenthelp
Desktop-
Power Connectorshelp
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Outputshelp
-Frequently Asked Questions
compare_arrowsWhich is better, Iris Plus Graphics 640 Mobile or Radeon RX 7900 XTX?expand_more
The Radeon RX 7900 XTX. It's 1525% faster than the Iris Plus Graphics 640 Mobile on average across 100+ games, scoring 65/100 vs 4/100 in our gaming rating.
speedHow much faster is Radeon RX 7900 XTX than Iris Plus Graphics 640 Mobile?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, Iris Plus Graphics 640 Mobile 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 Iris Plus Graphics 640 Mobile and Radeon RX 7900 XTX?expand_more
Performance: Iris Plus Graphics 640 Mobile 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 Iris Plus Graphics 640 Mobile 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 Iris Plus Graphics 640 Mobile 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 Iris Plus Graphics 640 Mobile 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
Iris Plus Graphics 640 Mobile vs RX 9070Iris Plus Graphics 640 Mobile vs RX 9060 XT 16 GBRTX 5070 vs Iris Plus Graphics 640 MobileIris Plus Graphics 640 Mobile vs RX 9070 XTRTX 5060 vs Iris Plus Graphics 640 MobileRTX 5080 vs Iris Plus Graphics 640 MobileIris Plus Graphics 640 Mobile vs RX 6800Arc B580 vs Iris Plus Graphics 640 MobileArc A310 vs Iris Plus Graphics 640 MobileRTX 5060 Ti vs Iris Plus Graphics 640 MobileArc A580 vs Iris Plus Graphics 640 MobileArc A750 vs Iris Plus Graphics 640 MobileRTX 5070 Ti vs Iris Plus Graphics 640 MobileIris Plus Graphics 640 Mobile vs RX 580GTX 1660 SUPER vs Iris Plus Graphics 640 MobileGT 710 vs Iris Plus Graphics 640 MobileIris Plus Graphics 640 Mobile vs RX 560RTX 5090 vs Iris Plus Graphics 640 MobileRTX 4090 vs Iris Plus Graphics 640 MobileIris Plus Graphics 640 Mobile vs RX 6900 XTIris Plus Graphics 640 Mobile vs Pro W5500Iris Plus Graphics 640 Mobile vs Pro W5700Iris Plus Graphics 640 Mobile vs R7 240Iris Plus Graphics 640 Mobile vs R7 250Arc B570 vs Iris Plus Graphics 640 MobileRX 7900 XTX vs RX 9070RX 7900 XTX vs RX 9060 XT 16 GBRTX 5070 vs RX 7900 XTXRX 7900 XTX vs RX 9070 XTRTX 5060 vs RX 7900 XTXRTX 5080 vs RX 7900 XTXRX 6800 vs RX 7900 XTXArc B580 vs RX 7900 XTXArc A310 vs RX 7900 XTXRTX 5060 Ti vs RX 7900 XTXArc A580 vs RX 7900 XTXArc A750 vs RX 7900 XTXRTX 5070 Ti vs RX 7900 XTXRX 580 vs RX 7900 XTXGTX 1660 SUPER vs RX 7900 XTXGT 710 vs RX 7900 XTXRX 560 vs RX 7900 XTXRTX 5090 vs RX 7900 XTXRTX 4090 vs RX 7900 XTXRX 6900 XT vs RX 7900 XTXPro W5500 vs RX 7900 XTXPro W5700 vs RX 7900 XTXR7 240 vs RX 7900 XTXR7 250 vs RX 7900 XTXArc B570 vs RX 7900 XTX