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Overall rank

Core i9-9990XE

14 cores · 28 threads · up to 4.0 GHz on 2066.

3.7 · 11 votes

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Cores
14
Threads
28
Boost
4.0 GHz
L3 cache
19.25 MB
TDP
255W
Socket
2066

Performance breakdown

Gaming18
Productivity17
Single-core19
Multi-core58
Power efficiency15

Lab scores

Performance score18
Cores14
Threads28
Boost clock (GHz)4.0 GHz

Estimated gaming FPS

Paired with a high-end GPU. CPU impact is largest at 1080p.

1080p40 fps
1440p32 fps
4K22 fps

Full specifications

Processor & cores
Architecture
Skylake (server)
Process node
14 nm
Socket
2066
Release year
2019
Total cores
14
Threads
28
Clocks & cache
Base clock
4.0 GHz
Boost clock
4.0 GHz
Multiplier
40 (unlocked)
L1 cache
896 KB
L2 cache
14 MB
L3 cache
19.25 MB
Memory & platform
Memory support
DDR4
Max capacity
128 GB
Channels
4
Max bandwidth
85.33 GB/s
Base power (TDP)
255W
PCIe
PCIe 3.0
Launch price
$2800
Technologies
Extensions
AES-NI, AVX, VT-x, VT-d, TSX
Community Feedback

What Owners Say

Owners love the raw multi-threaded muscle for heavy workstation tasks. The usual gripe is the extreme power draw and heat, demanding a monster cooler and PSU.

Pros
  • Crushes heavily threaded workstation tasks
  • Stays stable under extreme all-core loads
  • Works with existing high-end motherboard
  • Handles professional rendering without hiccups
Cons
  • Extreme power draw under full load
  • Requires expensive liquid cooling
  • No real overclocking headroom
Verdict

Our verdict on the Core i9-9990XE

A 2019 server-derived desktop chip with extreme core counts, but crippled by a stratospheric 255W power draw and niche platform.

Get it if you need a server-grade CPU for a workstation and can handle the extreme cooling and power demands. Skip it if you want modern features like PCIe 4.0 or anything close to efficient for gaming.

Buy it if…

  • You need maximum multi-threaded performance for heavy professional workloads like 3D rendering or video encoding.
  • You are building a workstation around a high-end desktop platform and need every last core available.
  • You want the best possible CPU for a server-grade home lab without stepping into dual-socket territory.
3.7

11 votes

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