AMD Ryzen 7 9800X3D vs AMD Ryzen 9 5900X
The Ryzen 7 9800X3D is the faster gaming CPU by a wide margin thanks to its 3D V-Cache and Zen 5 cores, and it also wins on platform features. The Ryzen 9 5900X still has more cores (12 vs 8) and costs far less, so it suits budget multi-threaded work on an existing AM4 board. No prices were provided for either chip, so compare live store prices before deciding.
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Choose the Ryzen 7 9800X3D if you are building a new AM5 gaming PC and want the highest frame rates and a platform you can upgrade for years.
- Fastest gaming performance in its class
- Modern AM5 platform with DDR5 and PCIe 5.0
- Integrated graphics for troubleshooting or a GPU-less build
- ECC memory support and 192 GB capacity
What separates them
| AMD Ryzen 7 9800X3D | AMD Ryzen 9 5900X | |
|---|---|---|
| Socket and platform | AM5, DDR5 only, new boards required | AM4, DDR4, works with older and cheaper boards |
| Cores and threads | 8 cores, 16 threads | 12 cores, 24 threads |
| Gaming performance | 3D V-Cache makes it one of the fastest gaming CPUs available | Solid but well behind modern X3D chips in games |
| Clock speeds | 4.7 GHz base, 5.2 GHz boost | 3.7 GHz base, around 4.8 GHz boost |
| Cache | 96 MB L3 from 3D V-Cache | 64 MB total cache |
| Power draw | 120 W TDP | 105 W TDP |
| Integrated graphics | Radeon integrated graphics included | No integrated graphics, needs a discrete GPU |
Price history
- AMD Ryzen 7 9800X3D: lowest $444.00 on Nov 2 at B&H Photo-Video-Audio.
- AMD Ryzen 9 5900X: lowest $260.18 on Nov 3 at Newegg.com.
Prices at every store
AMD Ryzen 7 9800X3D
- Best BuyCheck price at Best Buy
- B&H Photo-Video-AudioCheck price at B&H Photo-Video-Audio
- Central ComputersCheck price at Central Computers
AMD Ryzen 9 5900X
- Newegg.comCheck price at Newegg.com
- TecisoftCheck price at Tecisoft
- BlueDogInkCheck price at BlueDogInk
Specs compared
| Spec | AMD Ryzen 7 9800X3D | AMD Ryzen 9 5900X |
|---|---|---|
| Socket Type | AM5 | Socket AM4 |
| Clock Speed | 4.7 GHz | 3.7 GHz |
| Number Of Cores | 8 | 12-core |
| Supports Overclocking | Yes | Yes |
| RAM Type | DDR5 | — |
| Manufacturer | AMD | — |
| Integrated Graphics | Yes | — |
| GPU Type | Integrated | — |
| Boost Clock Speed | 5.2 GHz | — |
| Number Of Threads | 16 | — |
| Thermal Design Power (TDP) |
What reviewers say
AMD Ryzen 7 9800X3D
Reviewers and owners treat the 9800X3D as the default gaming CPU of its generation, with the 3D V-Cache delivering the highest frame rates in most games. They note the gains over the 7800X3D are real but not huge, and that heavy multi-threaded work is better served by higher-core chips.
- Gaming performancePraisedOwners report the highest frame rates in most games, especially at 1080p and 1440p.
- CachePraisedThe 3D V-Cache gives a clear lift in simulation, strategy and MMO titles that stress memory.
- OverclockingPraisedReviewers welcome an unlocked multiplier on an X3D chip for the first time.
- ValueMixed
Questions and answers
- Which is better for gaming?
- The Ryzen 7 9800X3D. Its 3D V-Cache and Zen 5 cores deliver much higher frame rates, especially in CPU-bound games. The 5900X is fine for 60 fps play but will hold back a high-refresh setup.
- Which is better for video editing and rendering?
- The Ryzen 9 5900X has 12 cores and 24 threads, so it wins in heavily multi-threaded exports and renders. The 9800X3D's faster cores close some of the gap, but core count still matters for long encodes.
- Can I put the 9800X3D in my old AM4 board?
- No. The 9800X3D uses AM5 and needs a new motherboard plus DDR5 memory. The 5900X is the drop-in option for an existing AM4 system with a BIOS update.
- Is the 9800X3D worth the extra cost?
- For a new gaming build, yes, if the budget allows. You pay for the CPU, a new board and DDR5, but you get the top gaming chip and a platform with years of upgrade headroom.
- Does either CPU need a graphics card?
- The 5900X has no integrated graphics, so a discrete GPU is mandatory. The 9800X3D includes Radeon integrated graphics, enough for a display and basic tasks but not for serious gaming.
- Which runs cooler?
- The 5900X has a lower 105 W TDP and is easier to cool. The 9800X3D is rated 120 W and benefits from a good air cooler or 240 mm liquid cooler under sustained load.