AMD Ryzen 7 9800X3D Review

When KitGuru reviewed AMD’s Zen 5 Ryzen 7 9700X we advised that you wait until they launched the inevitable 3D version of the CPU, as we were sure it would be a banger. What we didn’t know then was that AMD had a new version of 3D V-Cache in the works that would move the dial significantly. Locating the 3D V-Cache under the CPU cores, instead of laying it on top, gives a boost to clock speeds and also helps temperatures.

Timestamps

00:00 Intro
01:02 Overview / V-Cache / Chiplets
03:13 Hardware for the testing
08:11 Cinebench test run / Ryzen Master / BIOS / PBO
09:24 Geekbench 6 Multi Core
10:35 Geekbench 6 Single Core
10:58 Cinebench R23 Multicore
11:32 CPU Power Consumption
12:02 CPU Temperatures
12:26 3DMark CPU Profile
12:52 3DMark Time Spy w/ RTX 4090
13:16 Far Cry 6
14:01 Avatar Frontiers of Pandora
14:55 Assassins Creed Mirage
15:28 Cyberpunk 2077
15:47 Total War: Pharaoh
16:39 Pricing
17:52 Leo's Closing Thoughts

Specifications:

• Cores/Threads: 8/16
• Base Clock: 4.7GHz
• Max. Boost Clock: 5.2GHz
• Default TDP: 120W
• L2 cache: 8MB
• L3 cache: 96MB
• Processor technology: AMD Zen 5
• Fabrication node: TSMC N4P

Slides from AMD's Press Deck

Test Systems

• CPU: AMD Ryzen 7000 and 9000
• Motherboard: MSI MPG X870E Carbon Wi-Fi
• RAM: 32GB G.Skill Trident Z5 Neo DDR5-6000 C30

• CPU: Intel Core Ultra 200S
• Motherboard: MSI MEG Z890 Ace
• RAM: 48GB G.Skill Trident Z5 CK CUDIMM DDR5-8200 C40

• CPU: Intel Core 14th Gen
• Motherboard: Gigabyte Z790 Aorus Master X
• RAM: 32GB G.Skill Trident Z5 RGB DDR5-6800 C34

Shared parts for all test systems:

• Graphics: MSI RTX 4090 Ventus 3X 24GB
• CPU cooler: Phanteks Glacier One 360D30
• SSD: 1TB Crucial T700
• Power Supply: Seasonic Focus GX-1000 ATX 3.1
• OS: Windows 11 24H2 Build 26100.2161

The AMD Ryzen 7 9800X3D has a UK MSRP of £449.99.

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Pros:

• Gaming performance on Auto is superb.
• General CPU performance matches the Ryzen 7 9700X.
• Power draw and operating temperature are fairly modest.

Cons:

• The price is slightly high.

KitGuru Says: AMD’s 2nd Gen 3D V-Cache makes the Ryzen 7 9800X3D a winner.

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