13score
#198 of 555
Overall rank
Core i9-9900X
10 cores · 20 threads · up to 4.5 GHz on FCLGA2066.
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Cores
10
Threads
20
Boost
4.5 GHz
L3 cache
19.25 MB
TDP
165W
Socket
FCLGA2066
Performance breakdown
Gaming13
Productivity12
Single-core13
Multi-core42
Power efficiency11
Lab scores
Performance score13
Cores10
Threads20
Boost clock (GHz)4.5 GHz
Estimated gaming FPS
Paired with a high-end GPU. CPU impact is largest at 1080p.
1080p29 fps
1440p23 fps
4K16 fps
Full specifications
Processor & cores
- Architecture
- Skylake (server)
- Process node
- 14 nm
- Socket
- FCLGA2066
- Release year
- 2018
- Total cores
- 10
- Threads
- 20
Clocks & cache
- Base clock
- 3.5 GHz
- Boost clock
- 4.5 GHz
- Multiplier
- 35 (unlocked)
- L1 cache
- 640 KB
- L2 cache
- 10 MB
- L3 cache
- 19.25 MB
Memory & platform
- Memory support
- DDR4-2666
- Max capacity
- 128 GB
- Channels
- 4
- Max bandwidth
- 85.33 GB/s
- Base power (TDP)
- 165W
- Max temperature
- 92°C
- PCIe
- PCIe 3.0
- Launch price
- $989
Technologies
- Instruction sets
- SSE4.1, SSE4.2, AVX2, AVX-512
- Extensions
- AES-NI, AVX, VT-x, VT-d, Turbo Boost Max 3.0, TSX
Community Feedback
What Owners Say
People love the raw multi-threaded grunt for heavy workstation tasks. The common complaint is it runs incredibly hot and needs serious cooling, plus the price was hard to justify for most builders.
Pros
- Heavy multi-tasking without any hiccups
- Runs hot but handles demanding loads
- Plenty of PCIe lanes for add-ons
- Overclocks well for extra grunt
Cons
- Older platform with no upgrade path
- Power hungry and runs hot
- Poor value against newer alternatives
Verdict
Our verdict on the Core i9-9900X
A high-core-count desktop chip from Intel's server lineup, notable for its power-hungry nature and niche workstation appeal.
Get it if you need a high-core-count CPU for heavy video or 3D work that can still handle everyday tasks. Skip it if you're gaming or building a new PC, as newer chips offer better performance and efficiency for less.
Buy it if…
- You need lots of PCIe lanes for heavy workstation add-in cards.
- You run multi-threaded creative apps on a high-end desktop platform.
- You want a used high-core-count CPU for a budget workstation build.
Leaderboard
Its place in the overall top
3.2
9 votes
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