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Intel Core i9-13900K Desktop Processor 24 cores (8 P-cores + 16 E-cores) 36M Cache, up to 5.8 GHz
Intel

Intel Core i9-13900K Desktop Processor 24 cores (8 P-cores + 16 E-cores) 36M Cache, up to 5.8 GHz

4.4(2.0K+ reviews)
upper mid$300-$599
#100 in Computer CPU Processors
ghz
5.8 GHz
brand
Intel
cores
24
model
Core i9
speed
5.8 GHz
socket
LGA 1700
weight
7.1 ounces
threads
32 thread

Want the best price and purchase timing?

Our AI advisor analyzes real-time pricing across all channels to find you the best deal.

AI Verdict

This 24-core, 32-thread CPU with up to 5.8 GHz is for users who prioritize raw performance in demanding tasks and can manage its 295W power draw and high heat.

Strong Fit

This processor is a strong fit for users demanding top-tier performance in both single-threaded and multi-threaded applications, thanks to its 24 cores and 5.8 GHz boost clock. However, this performance comes with the expectation of significant heat generation and power consumption, requiring a substantial investment in cooling infrastructure.

If power consumption and heat are primary concerns, consider CPUs with a lower Processor Base Power (TDP) or more efficient architectures.

Regret Score™

Medium Risk

Lower is better — measures purchase-regret risk from real buyer complaints, review credibility, and product maturity

31/100
vs. 160 Processors we've analyzedSafer than 60%
Hidden Defects
12/35

Issues discovered after purchase

Achilles' Heel
10/25

Critically weak dimension

Expectation Gap
5/20

Amazon rating vs actual quality

Fit Risk
4/20

Chance this product isn't for you

BuyChoice Score
3.8

Pros

  • Achieves up to 5.8 GHz clock speed for rapid task execution.
  • Features 24 cores (8 P-cores + 16 E-cores) and 32 threads for extensive multi-tasking and heavy workloads.
  • Includes 36MB L3 Cache and 32MB L2 Cache, which is a significant increase over its predecessor, aiding performance.
  • Offers strong single-core performance, outperforming the AMD Ryzen 9 7950X in some single-threaded benchmarks.
  • Provides top-tier gaming performance, leading in many titles, especially at 1080p where CPU is often the bottleneck.
  • Supports both DDR5 (up to 5600MHz) and DDR4 memory, offering flexibility for system builders.

Cons

  • Draws significant power, reaching up to 295-300 watts under full all-core workload.
  • Runs very hot, frequently hitting 100°C under load, necessitating high-end cooling solutions like a 360mm AIO.
  • Can be less power-efficient compared to some competitors, particularly in all-core workloads.
  • Some motherboards, like certain MSI Z790 models, may feed excessive voltage at stock settings, exacerbating thermal issues.
  • The advertised 5.8 GHz boost clock isn't always sustained in all-core workloads, with P-cores often settling around 5.2 GHz.

Dimension Scores

Single-Thread Performance9/10

The CPU achieves up to 5.8 GHz, leading in single-core benchmarks like Cinebench R23 and GeekBench 5.

Multi-Thread Performance9/10

With 24 cores (8 P-cores + 16 E-cores) and 32 threads, it delivers exceptional multi-core scores in benchmarks like Cinebench R23.

Power Efficiency3/10

The processor draws up to 295-300 watts under load, making it one of the least efficient CPUs in its class.

Platform Longevity5/10

It uses the LGA 1700 socket, which is likely at the end of its platform life, but supports current technologies like DDR5 and PCIe 5.0.

Best For

  • Enthusiast gamers seeking the highest possible frame rates in CPU-bound games.
  • Serious content creators performing intensive video editing, 3D rendering, or code compilation.
  • Users running professional applications that heavily utilize multiple CPU cores and threads.
  • Workstations requiring maximum processing power for complex simulations or data analysis.

Not Recommended For

  • Budget-conscious builders due to the CPU's cost and the additional expense of high-end cooling and power supply.
  • Users sensitive to high electricity bills or room temperatures.
  • Casual users or those primarily gaming at 4K where the GPU is typically the limiting factor.

Watch Out For

  • Requires a robust 360mm AIO liquid cooler to manage its tendency to hit 100°C under full load.
  • Consumes up to 295-300 watts under all-core workloads, demanding a powerful and efficient power supply.
  • Some motherboards may deliver higher-than-optimal voltage at stock settings, potentially requiring manual undervolting for better thermal control.
  • The LGA 1700 socket is likely at the end of its lifecycle, limiting future upgrade paths on the same motherboard.
  • The CPU can dump significant heat into your room, potentially raising ambient temperatures.

Full Specifications

ASINB0BCF54SR1
BrandIntel
SeriesRaptor Lake
CPU ModelCore i9
CPU Speed5.8 GHz
Processor5.8 GHz core_i9
CPU SocketLGA 1700
Item Weight7.1 ounces
ManufacturerIntel
Processor BrandIntel
CPU ManufacturerIntel
Item model numberBX8071513900K
Product Dimensions13.27 x 6.42 x 7.28 inches
Number of Processors24
Item Dimensions LxWxH13.27 x 6.42 x 7.28 inches

What Buyers Say

This CPU is a beast, but it's a hot and hungry one. Users consistently report that while it delivers incredible performance for gaming and heavy creative workloads, it pushes thermal limits hard, often hitting 100°C under load. This means you absolutely need top-tier cooling, like a 360mm AIO, and even then, many users find themselves undervolting to manage temperatures and power draw. The high power consumption is also a recurring theme, with the chip pulling close to 300 watts in demanding scenarios.

“Dude, this thing is FAST, but seriously, my room turns into a sauna and I had to buy a crazy liquid cooler just to keep it from melting. Worth it for the frames though!”

Common Praise

  • Achieves very high frame rates in games, especially at 1080p.
  • Completes video rendering and code compilation tasks significantly faster than previous generations.
  • Handles multiple intensive applications simultaneously without slowdowns due to its 24 cores.
  • Strong single-core performance makes it feel snappy in everyday use and responsive in applications.

Common Complaints

  • Runs extremely hot, requiring expensive and powerful cooling solutions.
  • Consumes a lot of power, leading to higher electricity bills and heat output into the room.
  • Some users report needing to undervolt the CPU to achieve stable and cooler operation.
  • Motherboard default voltage settings can be too aggressive, contributing to high temperatures.

Ownership Tips

  • You'll likely spend extra time tweaking BIOS settings, especially for voltage, to optimize thermals and power.
  • The actual sustained clock speeds under heavy load are often lower than the advertised 5.8 GHz boost, typically around 5.2 GHz for P-cores.
  • The cost of ownership extends beyond the CPU itself, including a high-wattage power supply and a premium cooling solution.
  • Even with a 360mm AIO, expect to see temperatures frequently in the 90s or 100°C under heavy, sustained loads.

Frequently Asked Questions

Does the Intel Core i9-13900K run hot?

Yes, it frequently reaches 100°C under full load, which is its thermal limit. You'll need a high-performance cooling solution to manage this.

What kind of cooling is recommended for this CPU?

A 360mm AIO (All-In-One) liquid cooler is widely recommended to keep temperatures in check, even with aggressive fan curves.

Is the i9-13900K good for gaming?

It's one of the fastest CPUs for gaming, particularly at 1080p and 1440p where the CPU can be a bottleneck. At 4K, the GPU usually becomes the limiting factor.

Does it support DDR4 or DDR5 memory?

It supports both DDR4 and DDR5 memory. Officially, DDR5-5600 is supported, and using faster DDR5 can provide a performance uplift.

What motherboards are compatible with the Intel Core i9-13900K?

It is compatible with Intel 600 series and 700 series chipset-based motherboards. For 600 series boards, a BIOS update might be necessary.

Does this CPU have integrated graphics?

Yes, it includes integrated Intel UHD Graphics 770, which can handle basic display output and some light tasks.

What is the difference between P-cores and E-cores?

P-cores (Performance-cores) handle demanding single-threaded tasks and burst workloads, while E-cores (Efficiency-cores) manage background tasks and scale for multi-threaded performance. The 13900K has 8 P-cores and 16 E-cores.

Buying Guide

When looking at a high-end CPU like this, you need to understand that raw core count and clock speed directly impact how quickly your computer can crunch numbers. For gaming, higher clock speeds and strong single-core performance are key, while for creative work like video editing, more cores and threads mean faster rendering times. But all that power generates heat, so your cooling solution is just as crucial as the CPU itself, and don't forget your power supply needs to handle the wattage.

Cores (P-cores + E-cores) and Threads

Think of cores as individual workers and threads as tasks each worker can handle simultaneously. P-cores (Performance-cores) are like specialized workers for tough, single-focus jobs, while E-cores (Efficiency-cores) are for handling many smaller tasks in the background. More of both means your computer can juggle more applications and complex calculations at once without slowing down.

Clock Speed (GHz)

This is how many cycles per second the CPU can perform, essentially how 'fast' each core is. A higher GHz means quicker responses for individual tasks, like loading a game level or opening a large file. It's like how fast a single worker can complete their part of a job.

Processor Base Power (TDP / Watts)

This number tells you how much heat the CPU is expected to generate and, consequently, how much power it will draw. A higher wattage means you need a more powerful cooling system to prevent overheating and a beefier power supply to deliver consistent electricity. It's like the engine size in a car – a bigger engine needs more fuel and generates more heat.

Alternatives

If you're concerned about the high power consumption and heat, look for CPUs with a lower Processor Base Power (TDP) or those known for better performance-per-watt. If your primary use is gaming and you want to save on cooling, consider CPUs with fewer cores but still high clock speeds, or those with specialized gaming architectures.

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