17score
#126 of 555
Overall rank
Core i9-9940X
14 cores · 28 threads · up to 4.5 GHz on FCLGA2066.
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Cores
14
Threads
28
Boost
4.5 GHz
L3 cache
19.25 MB
TDP
165W
Socket
FCLGA2066
Performance breakdown
Gaming17
Productivity16
Single-core18
Multi-core58
Power efficiency14
Lab scores
Performance score17
Cores14
Threads28
Boost clock (GHz)4.5 GHz
Estimated gaming FPS
Paired with a high-end GPU. CPU impact is largest at 1080p.
1080p37 fps
1440p30 fps
4K20 fps
Full specifications
Processor & cores
- Architecture
- Skylake (server)
- Process node
- 14 nm
- Socket
- FCLGA2066
- Release year
- 2018
- Total cores
- 14
- Threads
- 28
Clocks & cache
- Base clock
- 3.3 GHz
- Boost clock
- 4.5 GHz
- Multiplier
- 33 (unlocked)
- L1 cache
- 896 KB
- L2 cache
- 14 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
- 88°C
- PCIe
- PCIe 3.0
- Launch price
- $1387
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
Fans love the raw multi-threaded muscle for heavy workstation tasks. The common complaint is the massive heat output and high power draw, especially under full load.
Pros
- Plays nice with big production software
- Stays cool under heavy all-core loads
- Handles tons of background tasks easily
- Four-channel memory keeps data flowing
Cons
- Needs expensive motherboard and cooling
- Lagging single-core performance for gaming
- Power draw is excessive under load
Verdict
Our verdict on the Core i9-9940X
This is Intel’s 2018 high-core-count HEDT chip, a server part dropped into a desktop socket that runs hot and needs a massive cooler.
Get it if you need a high core count for heavy workstation tasks and already own an LGA2066 board. Skip it if you're building new, as modern chips offer better performance for less power and cost.
Buy it if…
- You want a workstation for heavy multithreaded rendering and simulation.
- You need high core counts for a home server or content creation rig.
- You already have an X299 motherboard and want a drop-in upgrade.
Leaderboard
Its place in the overall top
3.8
7 votes
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