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Best GPU for the Core i9-13900K

Graphics cards this processor can feed at each resolution.

At 1080p

  1. GeForce RTX 5080 $999 · CPU holds it back 6.2%
  2. GeForce RTX 4080 Super $999 · CPU holds it back 1%
  3. Radeon RX 7900 XTX $999 · CPU holds it back 1%
  4. GeForce RTX 5070 Ti $749 · balanced

At 1440p

  1. GeForce RTX 4090 $1,599 · CPU holds it back 2.5%
  2. GeForce RTX 5080 $999 · balanced
  3. GeForce RTX 4080 Super $999 · balanced
  4. Radeon RX 7900 XTX $999 · balanced

At 4K

  1. GeForce RTX 5090 $1,999 · balanced
  2. GeForce RTX 4090 $1,599 · balanced
  3. GeForce RTX 5080 $999 · balanced
  4. GeForce RTX 4080 Super $999 · balanced

Picks keep the CPU and GPU within 10% of each other. Prices are launch prices, not today’s shelf prices.

Graphics cards the Core i9-13900K can drive at each resolution

At 1080p the strongest card the Core i9-13900K can feed is the GeForce RTX 5080 (launch price $999), with 16 GB of video memory and a 360 W rating. Next in the list is the GeForce RTX 4080 Super, which is held back by 1%.

At 1440p the strongest card the Core i9-13900K can feed is the GeForce RTX 4090 (launch price $1,599), with 24 GB of video memory and a 450 W rating. Next in the list is the GeForce RTX 5080, which is within 21.1% of the processor.

At 4K the strongest card the Core i9-13900K can feed is the GeForce RTX 5090 (launch price $1,999), with 32 GB of video memory and a 575 W rating. Next in the list is the GeForce RTX 4090, which is within 37.1% of the processor.

Memory, power and price

The ceiling climbs with resolution: GeForce RTX 5080 (index 77) at 1080p, GeForce RTX 4090 at 1440p and GeForce RTX 5090 (index 130) at 4K.

The picks draw between 300 W and 575 W and carry 16 to 32 GB of video memory, so the top of the list needs a power supply of about 1300 W with this processor.

Questions

What is the best GPU for the Core i9-13900K?

At 1080p, the strongest card in our list that this processor can feed without a CPU bottleneck above 10% is the GeForce RTX 5080. At higher resolutions it can feed faster cards.

What is the best GPU for the Core i9-13900K at 4K?

The GeForce RTX 5090 (index 130, 32 GB, 575 W) is the strongest card in our list that this processor can feed at 4K.

Updated October 3, 2026