AMD
AMD Ryzen 7 9800X3D
AM5 · 8 · 16
8.7
$479Nov 93 videos
AMD Ryzen 9 9900X3D
Twelve cores with 128 MB of cache, squeezed between the 9800X3D below it and the 9950X3D above it.
- AM5
- 12
- 24
- 5.5 GHz
- 120 W
PCPR score
7.6
Good
Best price we’ve seen
$599Nov 9
Checked recently. Confirm at the retailer.
R1
The short version
The Ryzen 9 9900X3D is a 12-core, 24-thread AM5 processor with 128 MB of L3 cache. Tom's Hardware calls it the fastest 12-core chip for gaming but says its price exposes it to rivals on both sides, and its hierarchy ranks it behind the cheaper Ryzen 7 9800X3D in games. It only makes sense for buyers who need 12 cores and V-Cache together.
Pros
- Fastest 12-core chip for gaming per Tom's Hardware
- 128 MB of L3 cache
- 120 W TDP is easier to cool than the 16-core 9950X3D
- Unlocked for overclocking
Cons
- Tom's Hardware says the price needs a significant cut
- Slower in games than the cheaper Ryzen 7 9800X3D in Tom's Hardware's hierarchy
- Pricing lands between cheaper eight-core and more capable 16-core options
- No cooler included
Best for
- Mixed gaming and 12-core productivity workloads
- Buyers who want V-Cache plus more than eight cores
J3
Full specifications
Core
- Socket
- AM5
- Series
- Ryzen 9000
- Architecture
- Zen 5
- Cores
- 12
- Threads
- 24
Performance
- Base clock
- 4.4 GHz
- Max boost
- 5.5 GHz
- L3 cache
- 128 MB
- 3D V-Cache
- Yes
- Gaming index
- 87
- Single-thread index
- 91
- Multi-thread index
- 74
Power
- TDP
- 120 W
- Max power (PPT / PL2)
- 230 W
Features
- Integrated graphics
- Yes
- Integrated GPU
- AMD Radeon Graphics
- Unlocked multiplier
- Yes
- Cooler in box
- No
- Process
- TSMC 4nm FinFET (CPU cores), TSMC 6nm FinFET (I/O die)
Memory
- Memory support
- DDR5
- Rated memory speed
- 5,600 MT/s
- Max memory
- 256 GB
Expansion
- PCIe version
- 5.0
- PCIe lanes
- 28
Compatibility notes
- Socket AM5 with DDR5 only; AMD lists A620, B650, B650E, X670, X670E, B840, B850, X870 and X870E chipsets as supported, and older boards may need a BIOS update.
- AMD's official maximum memory speed is DDR5-5600 for two modules and DDR5-3600 for four, though AMD EXPO kits can run faster.
- No cooler included; AMD recommends a liquid cooler for optimal performance.
- Install AMD's current chipset driver so games are scheduled on the cache-equipped cores.
P1
Where to buy
Best Buy
Seen Nov 9, 2026
$599
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AV1
Video reviews
Negative · Review
Ryzen 9 9900X3D Analysis: Another AMD pricing disaster
KitGuruTech
KitGuru's analysis of the 12-core X3D part, with a title calling its pricing another AMD disaster.
Mixed · Review
AMD Ryzen 9 9900X3D: Is it Still a Bad Pick in 2026? Let's break it Down!
Papa PC
Revisits the chip in 2026 after an upgrade from a Ryzen 7 9700X and tests where it might make sense.
Positive · Benchmarks
Did AMD Just DESTROY Intel? - AMD 9900x3d & 9950x3d Review/Benchmarks
PowerGPU
Covers the 9900X3D and 9950X3D against Intel's best chips in benchmarks.
AV2
What reviewers and owners say
Tom's Hardware
MixedFinds it the fastest 12-core gaming chip but priced so that it faces competition from both cheaper and faster options, making it hard to recommend without a price cut.
2025-03-12
Read the sourcer/hardware · u/CulturalTelephone5
PositiveAn owner who upgraded from a 10900K finds the 9900X3D excellent for 4K video editing and gaming, staying cool and quiet under a 360mm AIO with PBO enabled.
2025-03-24
Read the source
Summaries are written in our words. Follow the links for each source’s own review.
R9
Common questions
Is the Ryzen 9 9900X3D faster than the 9800X3D in games?
No. Tom's Hardware's hierarchy lists the 9800X3D well ahead in gaming. The 9900X3D's advantage is its 12 cores for productivity.
Does the 9900X3D include a cooler?
No. AMD lists the thermal solution as not included and recommends a liquid cooler.
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