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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SORTVIEW
ProductCores/ThreadsSocketTDPScoreValuePrice
AMD Ryzen 9 9900X3D CPU
AMD Ryzen 9 9900X3D
AMD★★★★★4.8
12C/24T
AM5
120W
80%
B
$549.99
2 stores
Specifications
Cores/Threads12C
Threads24
SocketAM5
Base Clock4.4MHz
Boost Clock5.5MHz
TDP120W
L3 Cache128
iGPUYes
V-CacheYes
MemoryDDR5
Max RAM5600
ArchitectureZen 5
Model #100-100001368WOZ
UPC00730143316910
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
AmazonBEST
✓ In Stock
$549.99
Buy →
Newegg
✓ In Stock
$599
Buy →
Best Buy
Not tracked at this retailer
N/A
VALUE SCORE
B
14.5
Good value
Performance (80%) ÷ Price ($549.99) = 14.5
S ≥28 · A ≥20 · B ≥14 · C ≥8 · D <8
FUTURE-PROOFING
✅AM5 — supported through 2027+
✅DDR5 support
Save $49.01 at amazon vs newegg
AMD Ryzen 9 9900X3D CPU
CONSIDER INSTEAD
SAVE $35094% 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$241.99 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
$308