Core i9-10900X

Name: Intel Core i9-10900X
Brand: Intel
Rating: 1.5 (124 reviews)

10 cores · 20 threads · up to 4.7 GHz on FCLGA2066.

1.5 · 124 votes

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Cores

Threads

Boost

4.7 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)4.7 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: Cascade Lake-X
Process node: 14 nm
Socket: FCLGA2066
Release year: 2019
Total cores: 10
Threads: 20
Integrated graphics: None

Clocks & cache

Base clock: 3.7 GHz
Boost clock: 4.7 GHz
L1 cache: 640 KB
L2 cache: 10 MB
L3 cache: 19.25 MB

Memory & platform

Memory support: DDR4-2933
Max capacity: 256 GB
Channels: 4
Max bandwidth: 94 GB/s
Base power (TDP): 165W
Max temperature: 94°C
PCIe: PCIe 3.0

Technologies

Instruction sets: SSE4.1, SSE4.2, AVX2, AVX-512
Extensions: AES-NI, AVX, VT-x, VT-d, Turbo Boost Max 3.0, TXT, TSX

Community Feedback

What Owners Say

Owners love the raw multi-core muscle for heavy tasks. The usual gripe is it runs hot and needs serious cooling to stay stable.

Pros

Four extra cores for heavy work
Stays cool with decent cooling
Handles big multitasking loads easily
Still fast enough for gaming

Cons

Old socket means no upgrade path
Power hungry under heavy loads
Runs hot without excellent cooling

Verdict

Our verdict on the Core i9-10900X

A ten-core desktop chip for Intel's high-end desktop platform, held back by a dead-end socket and high power draw.

Get it if you need a high-core-count workhorse for heavy rendering or simulation work on a platform that supports quad-channel memory. Skip it if you’re gaming or building a modern system—newer CPUs offer far better performance per watt and cost less.