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AMD Ryzen 7 9800X3D vs AMD Ryzen 9 9950X3D

Researched, not hands-on tested.How we review ›

all judged against desktop processors at a similar price

The AMD Ryzen 9 9950X3D scores 7.0/10 overall, ahead of the AMD Ryzen 7 9800X3D at 6.3/10.

The AMD Ryzen 7 9800X3D leads on efficiency.

The AMD Ryzen 9 9950X3D leads on multi-core performance and single-core performance.

They score the same on platform and integrated graphics.

The biggest difference is multi-core performance, where the AMD Ryzen 9 9950X3D scores 9/10 to the AMD Ryzen 7 9800X3D's 6/10.

AMD Ryzen 7 9800X3D

AMD Ryzen 7 9800X3D

6.3/10verdict: good, not the best

The Ryzen 7 9800X3D is for builders who want an 8-core AM5 processor with a large 96 MB L3 cache and a high boost clock. It suits a fast desktop or workstation more than a low-power always-on server, because AMD publishes no idle figure and owners report high temperatures under load. Buyers who need a media-encoding iGPU or lots of cores should check the specifications closely first.

Typically about £339.99 in the UK when we researched itCheck price at Amazon UK (opens in a new tab, affiliate link)

Affiliate link. As an Amazon Associate I earn from qualifying purchases. Details

AMD Ryzen 9 9950X3D

AMD Ryzen 9 9950X3D

7.0/10verdict: buy

The Ryzen 9 9950X3D is for people who want one AM5 desktop to handle heavy multi-threaded work and high-end gaming. It suits builders who value 16 cores and 5.7 GHz boost clocks more than low running costs. Buyers focused on gaming alone, or on a frugal always-on server, have better-matched options.

Typically about £529.99 in the UK when we researched itCheck price at Amazon UK (opens in a new tab, affiliate link)

Affiliate link. As an Amazon Associate I earn from qualifying purchases. Details

Scores, criterion by criterion

CriterionWeightAMD Ryzen 7 9800X3DAMD Ryzen 9 9950X3D
Multi-core performance25%6/109/10
Single-core performance20%8/109/10
Efficiency20%5/104/10
Platform20%7/107/10
Integrated graphics15%5/105/10
Overall6.3/107.0/10

Specifications

SpecAMD Ryzen 7 9800X3DAMD Ryzen 9 9950X3D
Cores / threads8 cores / 16 threads16 cores / 32 threads
Base / boost clockBase 4.7 GHz, boost up to 5.2 GHz4.3 GHz base, up to 5.7 GHz boost
SocketAM5AM5
TDP120 W default TDP170W
Cache104 MB total (L2 8 MB, L3 96 MB)144 MB
Integrated graphicsAMD Radeon Graphics, 2 graphics cores, 2200 MHznot listed
Memory supportDDR5, 2 memory channels, DDR5-5600 at 1 DIMM per channel and DDR5-3600 with 2 DIMMs per channel; maximum capacity listed as 192 GB by the shop page and 256 GB by the AMD support pageDual-channel DDR5, 192 GB maximum

Strengths and weaknesses

AMD Ryzen 7 9800X3D

  • + Boost up to 5.2 GHz on Zen 5
  • + 96 MB L3 cache, 104 MB total
  • + PCIe 5.0, DDR5 and ECC with board support
  • − Owners report temperatures near 94 °C and loud fans
  • − No published idle power figure
  • − Hardware AV1/HEVC encode support not published

Skip it if:

  • Homelabbers who need hardware AV1 or HEVC encoding from the iGPU for Plex or Jellyfin.
  • Builders wanting a quiet, low-power always-on server who need a published idle power figure.
  • Anyone needing more than 8 cores for heavy parallel compiling, VMs or rendering.
Read the full AMD Ryzen 7 9800X3D review ›

AMD Ryzen 9 9950X3D

  • + 16 cores and 32 threads for compiling, VMs and rendering
  • + Up to 5.7 GHz boost with 144 MB of cache
  • + Strong gaming performance from 3D V-Cache
  • − Higher power draw, heat and idle consumption than the 9800X3D
  • − Only 8 of 16 cores can access the V-Cache
  • − Gaming gain over cheaper X3D chips is modest

Skip it if:

  • Gamers who want X3D performance without paying for 16 cores
  • Homelabbers building a low-power, always-on server
  • Buyers who want predictable game scheduling on the V-Cache cores
Read the full AMD Ryzen 9 9950X3D review ›

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