15score
#158 of 555
Overall rank
Core i9-7940X
14 cores · 28 threads · up to 4.4 GHz on FCLGA2066.
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Cores
14
Threads
28
Boost
4.4 GHz
L3 cache
19.25 MB
TDP
165W
Socket
FCLGA2066
Performance breakdown
Gaming15
Productivity14
Single-core15
Multi-core58
Power efficiency13
Lab scores
Performance score15
Cores14
Threads28
Boost clock (GHz)4.4 GHz
Estimated gaming FPS
Paired with a high-end GPU. CPU impact is largest at 1080p.
1080p33 fps
1440p26 fps
4K18 fps
Full specifications
Processor & cores
- Architecture
- Skylake (server)
- Process node
- 14 nm
- Socket
- FCLGA2066
- Release year
- 2017
- Total cores
- 14
- Threads
- 28
Clocks & cache
- Base clock
- 3.1 GHz
- Boost clock
- 4.4 GHz
- 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
- 102°C
- PCIe
- PCIe 3.0
- Launch price
- $1399
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
Owners love the sheer multi-core muscle for heavy workloads. The usual gripe is the sky-high power draw and heat, needing a serious cooler.
Pros
- Handles heavy multitasking without breaking sweat
- Stays cool under sustained full loads
- Great for video rendering and compiling
- Drives multiple high-end GPUs easily
Cons
- A very hot running chip
- Old Skylake architecture now
- Expensive motherboard platform needed
Verdict
Our verdict on the Core i9-7940X
A 14-core server chip repurposed for desktops, defined by its monstrous multi-threading ability and brutal power draw.
Get it if you need a high-core-count workstation CPU for heavy multi-threaded work and don't mind high power draw and an older platform. Skip it if you want modern gaming performance, as newer chips offer better single-core speed and efficiency for less money.
Buy it if…
- You are a content creator who needs maximum multi-core performance for video rendering.
- You run heavy virtual machines or compile large codebases on a daily basis.
- You want a workstation CPU that handles demanding simulations or scientific calculations.
Leaderboard
Its place in the overall top
4.2
7 votes
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