AMD Ryzen 9 9900X3D

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💡 How to pick a processor
What to look for:
  • Socket must match your motherboard (AM5 for new AMD, LGA1851 for new Intel)
  • Core count and clock speed for performance
  • TDP (wattage) affects cooling needs
💰 Budget builds: under $200. Mainstream gaming: $250-$400. Enthusiast: $500+
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ProductCores/ThreadsSocketTDPScoreValuePrice
AMD - Ryzen 9 9900X3D 12-Core - 24-Thread 4.4 GHz (5.5 GHz Max Boost) Socket AM5 120W Unlocked Desktop Processor - Black CPU
AMD Ryzen 9 9900X3D
AMD0
12C/24T
AM5
120W
80%
C
$599
2 stores
Specifications
cpuMark56212
UPC730143315579
Model #100-100001368WOF
Cores/Threads12C
Threads24
Base Clock4.4GHz
Boost Clock5.5GHz
TDP120W
SocketAM5
L3 Cache128
iGPUYes
iGPU NameAMD Radeon
MemoryDDR5
Max RAM192 gigabytes
unlockedtrue
V-CacheYes
PERFORMANCE
80%
Customer Reviews★★★★★5.0 · 5 reviews
★★★★★Great processor
Great processor. Upgraded from a 7800x3d and can see a difference.
Brian · 2026-03-27 · via bestbuy
★★★★★Review
[Employee of bestbuy] Very powerful and well priced! Works without any issues
DominicB · 2026-02-23 · via bestbuy
★★★★★Worth every Dollar
Love my Ryzen it’s everything I thought it would be
BigLee88 · 2026-01-03 · via bestbuy
★★★★★Runs cooler than expected
Super fast and incredibly smooth. The 9900X3D tears through gaming and multitasking without even trying. Load times are basically instant, and the extra cache really does make games feel snappier. Runs cooler than I expected, too. If you’re building on AM5 and want a processor that just feels effortless, this one’s a winner.
PUNKYD · 2025-12-01 · via bestbuy
★★★★★Cpu ⁴
Pleasure doing business bestbuy is the greatest !!!
WilliamO · 2025-11-27 · via bestbuy
Buy Now
NeweggBEST
✓ In Stock
$569
Buy →
Best Buy
✓ In Stock
$599
Buy →
Amazon
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MSI
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Newegg (Open Box)
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VALUE SCORE
C
13.4
Average value
Performance (80%) ÷ Price ($599) = 13.4
S ≥28 · A ≥20 · B ≥14 · C ≥8 · D <8
FUTURE-PROOFING
✅AM5 — supported through 2027+
✅DDR5 support
Save $30.00 at newegg vs bestbuy
AMD - Ryzen 9 9900X3D 12-Core - 24-Thread 4.4 GHz (5.5 GHz Max Boost) Socket AM5 120W Unlocked Desktop Processor - Black CPU
CONSIDER INSTEAD
SAVE $399.0194% of this product's perf
Intel® Core™ Ultra 5 Processor 250KF Plus 18 cores (6 P-cores + 12 E-cores) up to 5.3 GHz
Cores
16C/undefinedT
Boost
5.3GHz
Socket
LGA1851
TDP
125W
$199.99
+18% FASTER$282.71 cheaper
Intel® Core™ Ultra 7 Processor 270K Plus 24 cores (8 P-cores + 16 E-cores) up to 5.5 GHz
Cores
24C/undefinedT
Boost
5.5GHz
Socket
LGA1851
TDP
125W
$316.29