AMD

AMD Ryzen 7 9850X3D

AMD's latest gaming CPU on AM5, combining Zen 5 with second-generation 3D V-Cache and a 5.6 GHz boost for the highest single-core gaming performance available.

75/100
Very good
Overall score · how we rate
8 cores / 16 threads104MB L3 V-Cache5.6 GHz boost2nd-gen 3D V-CacheAM5 DDR5 platform
£398best price at Amazon
In stock at 1 retailer

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Why we rate it

  • 5.6 GHz Zen 5 and second-gen V-Cache
  • 104MB cache pool is the largest yet
  • Best possible gaming with current hardware
  • AM5 with long upgrade path
  • Premium price over 9800X3D
  • No cooler in the box
Score profile

Where the AMD Ryzen 7 9850X3D wins and loses

Scored against the cpus class
GamingMulti-threa…ClockPlatform100729696
Gaming performance
100
Multi-threaded performance
72
Clock speed
96
Platform modernity
96
Full specification

Specifications

Grouped · supported features marked in blue

General info

ManufacturerAMD
FamilyRyzen 7
CodenameZen 5
SocketAM5
Market segmentGaming

Cores and threads

Cores8
Threads16

Clocks and cache

Turbo / boost clock5.6 GHz
L3 cache104 MB
3D V-CacheYes

Power

Base TDP120 W

Watch it in action

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Head to head

AMD Ryzen 7 9850X3D vs AMD AMD Ryzen 9 7900X3D

Highlighted cell = better in that row
GamingMulti-threa…ClockPlatform
AMD Ryzen 7 9850X3DAMD Ryzen 9 7900X3D
 AMDAMD Ryzen 7 9850X3DThis pageAMDAMD Ryzen 9 7900X3D
Overall score75 /10075 /100
Core count8
Thread count16
Boost clock5.6 GHz5.6 GHz
TDP120 W120 W
L3 cache104 MB
Who it's for

Is the AMD Ryzen 7 9850X3D right for you?

Buy it if
Gaming maximum, no compromise builders

If you want AMD's absolute best gaming performance and are building a flagship gaming PC without compromise, the 9850X3D is the chip to anchor it. Top clock speed and the largest V-Cache pool available.

Skip it if
Value-focused builders or heavy creators

If value matters, the 9800X3D delivers nearly identical gaming for less. If multi-threaded productivity is the priority, higher-core AM5 chips are more appropriate.

Ultimate gaming build buyer
Buying AMD's best gaming CPU for a no-compromise flagship gaming PC. The 9850X3D's combination of Zen 5, high boost clock, and 2nd-gen V-Cache is the top of AMD's gaming line.
excellent
Competitive esports at maximum fps
Plays CS2, Valorant, or similar at 1080p maximum fps where CPU performance matters most. The 9850X3D squeezes every available frame rate from the hardware.
excellent
High-end GPU owner
Pairs an RTX 5090 or RX 9070 XT with a top CPU. The 9850X3D ensures the CPU is never the bottleneck in demanding gaming scenarios.
good
Content creator
Primarily runs Blender, video encoding, or data processing workloads. Eight gaming-tuned cores don't lead here. Higher-core AM5 chips like the 9950X are better fits.
skip
Common questions

Before you buy

What's the difference between the 9850X3D and 9800X3D?

The 9850X3D has a higher 5.6 GHz boost versus 5.2 GHz on the 9800X3D, and 104MB V-Cache versus 96MB. Gaming performance is a few percent faster. At similar pricing, the 9850X3D is the better buy. At a meaningful price gap, the 9800X3D is the value pick.

Is the 9850X3D the fastest gaming CPU available?

Yes, at the time of release it leads AMD's gaming CPU stack. The 9800X3D is very close, and Intel's gaming-tuned chips also compete, but the 9850X3D is consistently near or at the top of gaming benchmarks.

Does the 9850X3D include a cooler?

No. A quality 240mm AIO or large tower cooler is needed for the 120W TDP. Budget this into your total build cost.

What motherboard do I need for the 9850X3D?

Any AM5 board works, including B650 and X670 from the 600 series and B850 and X870 from the 800 series. An 800-series board is recommended for full feature support. A BIOS update may be required on older boards.