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Ryzen 9 7900X3D vs Ryzen 9 7945HX

An overall editorial verdict is not available for this pair yet. Your priorities and current prices can change the better choice.

Start with the tradeoffs

Consider Ryzen 9 7900X3D for

  • 12 CPU cores and 24 threads
  • Listed L3 cache: 128 MB

Tradeoff: System and motherboard support must match the AM5 (LGA 1718) platform.

Consider Ryzen 9 7945HX for

  • 16 CPU cores and 32 threads
  • Listed L3 cache: 64 MB

Tradeoff: System and motherboard support must match the FL1 platform.

Scores and judgments are editorial. Specdex does not run an in-house benchmark lab. Manufacturer claims and independent measurements may use different test conditions.

Specifications side by side

Arrows indicate a higher capacity, higher power rating, or lower weight/time for comparable simple quantities. They do not establish overall product quality. Unknown values remain unavailable.

Ryzen 9 7900X3D versus Ryzen 9 7945HX specifications
SpecificationRyzen 9 7900X3DRyzen 9 7945HX
Cores1216
Threads2432
Base clock4.4 GHz2.5 GHz
Boost clock5.6 GHz5.4 GHz
L3 cache128 MB64 MB
TDP120 W55 W
SocketAM5 (LGA 1718)FL1
ClassDesktopLaptop

Ryzen 9 7900X3D

Prices & availability

US launch / reference: Price unavailable. This is not a current retailer offer.

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Price history
History appears when an approved retailer provides observations.
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Prices apply to the listed configuration and condition. Tax and shipping are not included unless the retailer states otherwise.

Ryzen 9 7945HX

Prices & availability

US launch / reference: Price unavailable. This is not a current retailer offer.

Checking current offers…

Price history
History appears when an approved retailer provides observations.
Watch for a price drop →

Prices apply to the listed configuration and condition. Tax and shipping are not included unless the retailer states otherwise.

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