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Best CPU for the Radeon RX 9070

Processors that keep up with this card at each resolution.

At 1080p

  1. Ryzen AI 9 HX 370 n/a · GPU holds it back 9.3%
  2. Ryzen 7 5800 n/a · GPU holds it back 9.3%
  3. Core i5-14400F $196 · GPU holds it back 7.9%
  4. Core i5-12600 $213 · GPU holds it back 7.9%

At 1440p

  1. Ryzen 5 4600 n/a · GPU holds it back 9.5%
  2. Core i5-11400F $157 · GPU holds it back 8.2%
  3. Core i5-10600K $262 · GPU holds it back 6.3%
  4. Core i3-13100F $109 · GPU holds it back 4.4%

At 4K

  1. Ryzen 5 1600X $249 · GPU holds it back 9.6%
  2. Core i5-10300H n/a · GPU holds it back 6.5%
  3. Core i3-9100F $79 · GPU holds it back 6.5%
  4. Ryzen 5 3400G $149 · GPU holds it back 6.5%

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 9070 at each resolution

At 1080p the cheapest processor that keeps the Radeon RX 9070 within 10 percent is the Ryzen AI 9 HX 370, with a gaming index of 64. Next in the list is the Ryzen 7 5800, which is still 9.3% short.

At 1440p the cheapest processor that keeps the Radeon RX 9070 within 10 percent is the Ryzen 5 4600, with a gaming index of 47.3 on the AM4 socket. Next in the list is the Core i5-11400F, which is still 8.2% short.

At 4K the cheapest processor that keeps the Radeon RX 9070 within 10 percent is the Ryzen 5 1600X (launch price $249), with a gaming index of 29 on the AM4 socket. Next in the list is the Core i5-10300H, 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 64; at 4K the Ryzen 5 1600X at 29 is enough.

For reference, the fastest chip we track, the Ryzen 7 9800X3D (index 100), is 29.4% faster than the Radeon RX 9070 needs at 1080p.

The picks sit on AM4 (4), LGA1700 (3), BGA (2), LGA1200 (2) and LGA1151 (1) sockets, released between 2017 and 2026.

Questions

What is the best CPU for the Radeon RX 9070?

At 1080p, a processor like the Ryzen AI 9 HX 370 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 9070 at 1440p?

The Ryzen 5 4600 (index 47.3) is the cheapest chip in our list that keeps the card within 10 percent at 1440p.

Updated October 3, 2026