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Best CPU for the Radeon RX 7800 XT

Processors that keep up with this card at each resolution.

At 1080p

  1. Core i7-10700K $374 · GPU holds it back 9.9%
  2. Ryzen 5 5600GT $140 · GPU holds it back 8.2%
  3. Core i5-11600K $262 · GPU holds it back 8.2%
  4. Core i5-11600 $213 · GPU holds it back 8.2%

At 1440p

  1. Core i5-11400H n/a · GPU holds it back 8.2%
  2. Ryzen 5 5600H n/a · GPU holds it back 8.2%
  3. Core i5-9500 $192 · GPU holds it back 8.2%
  4. Core i5-8600K $257 · GPU holds it back 8.2%

At 4K

  1. Ryzen 3 2300X n/a · GPU holds it back 6.5%
  2. Core i3-8100 $117 · GPU holds it back 6.5%
  3. Ryzen 5 1500X $174 · GPU holds it back 6.5%
  4. Ryzen 3 3200G $99 · GPU holds it back 2.8%

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

Processors for the Radeon RX 7800 XT at each resolution

At 1080p the cheapest processor that keeps the Radeon RX 7800 XT within 10 percent is the Core i7-10700K (launch price $374), with a gaming index of 53 on the LGA1200 socket. Next in the list is the Ryzen 5 5600GT, which is still 8.2% short.

At 1440p the cheapest processor that keeps the Radeon RX 7800 XT within 10 percent is the Core i5-11400H, with a gaming index of 40. Next in the list is the Ryzen 5 5600H, which is still 8.2% short.

At 4K the cheapest processor that keeps the Radeon RX 7800 XT within 10 percent is the Ryzen 3 2300X, with a gaming index of 25 on the AM4 socket. Next in the list is the Core i3-8100, which is still 6.5% short.

What it costs and what it fits

Moving from 1080p to 4K changes what you need. The cheapest balanced chip at 1080p has an index of 53; at 4K the Ryzen 3 2300X at 25 is enough.

For reference, the fastest chip we track, the Ryzen 7 9800X3D (index 100), is 41.2% faster than the Radeon RX 7800 XT needs at 1080p.

The picks sit on AM4 (4), LGA1200 (3), LGA1151 (3) and BGA (2) sockets, released between 2017 and 2024.

Questions

What is the best CPU for the Radeon RX 7800 XT?

At 1080p, a processor like the Core i7-10700K is enough to avoid a CPU bottleneck above 10%. Faster is fine but gives little extra in games with this card.

What is the cheapest CPU for the Radeon RX 7800 XT at 1440p?

The Core i5-11400H (index 40) is the cheapest chip in our list that keeps the card within 10 percent at 1440p.

Updated October 3, 2026