Amazon.com: Customer reviews: Intel Core i5-8400 Desktop Processor 6 Cores up to 4.0 GHz LGA 1151 300 Series 65W

Top positive review

Very good value per core and a good, future-proof choice for gamers and majority of users.

Reviewed in the United States on October 9, 2017

Intel BX80684I58400 8th Gen Core i5-8400 ProcessorPlease note that my mini-review is based on the limited in store testing, I am still waiting for my CPU to arrive so I can confirm the findings.
To sum up, i5-8400 is currently the most affordable way to get a six core Intel build. It works out at $30 per core, which is even less than a cost per core of previous generation Kaby Lake CPUs.
The downsides are - the multiplier overclocking is disabled and the base clock is pretty low, the TDP is limited to 65W.
In practice what this means is a lot of benchmarks that can take advantage of 6 cores will look better than a 4-core CPU, but in single threaded tasks or some games, faster clocked cores can still give better responsiveness.
The i5 8400 offers more than good enough performance for most tasks and uses very little power in idle and is still limited to around 65Watts under load. In my view this makes it a very good CPU choice for a main productivity/gaming machine that is powered on 24/7 or most of the day.
The 6 cores future-proof the computer in case one suddenly wants to try their talents and a video game streamer or something similar.
Paired with 370 chipset it also opens up a possibility of an upgrade, if someone really finds this CPU to be too limiting.
Overall, I find this particular CPU to be of very good value currently and also offering enough performance for the majority of computing tasks - hence 5 stars.

15 people found this helpful

Top critical review

Critical reviews›

BMan

Didn't work at all and horribly packaged.

Reviewed in the United States on February 14, 2024

The product was wrapped in some random plastic and shipped in a flimsy box and inserted into a bubble envelope to ship. When I opened the envelope the pcu was freely bouncing around completely unsecured. Just for giggles, I tied to see if the PCU even worked and sure enough it did not. Very frustrating.

2,919 total ratings, 999 with reviews

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From the United States

Johny

Very good value per core and a good, future-proof choice for gamers and majority of users.

Reviewed in the United States on October 9, 2017

Verified Purchase

Intel BX80684I58400 8th Gen Core i5-8400 Processor Please note that my mini-review is based on the limited in store testing, I am still waiting for my CPU to arrive so I can confirm the findings.
To sum up, i5-8400 is currently the most affordable way to get a six core Intel build. It works out at $30 per core, which is even less than a cost per core of previous generation Kaby Lake CPUs.
The downsides are - the multiplier overclocking is disabled and the base clock is pretty low, the TDP is limited to 65W.
In practice what this means is a lot of benchmarks that can take advantage of 6 cores will look better than a 4-core CPU, but in single threaded tasks or some games, faster clocked cores can still give better responsiveness.
The i5 8400 offers more than good enough performance for most tasks and uses very little power in idle and is still limited to around 65Watts under load. In my view this makes it a very good CPU choice for a main productivity/gaming machine that is powered on 24/7 or most of the day.
The 6 cores future-proof the computer in case one suddenly wants to try their talents and a video game streamer or something similar.
Paired with 370 chipset it also opens up a possibility of an upgrade, if someone really finds this CPU to be too limiting.
Overall, I find this particular CPU to be of very good value currently and also offering enough performance for the majority of computing tasks - hence 5 stars.

15 people found this helpful

Helpful

Chris

I like it so far!

Reviewed in the United States on January 15, 2019

Verified Purchase

At first I was thinking of getting the overclockable version, but coming from a potato laptop with a 4th gen i7 processor, I was okay with getting this version i5-8400, I like it, it's snappy fast, all works good so far, and i'm happy to say that, because I've never built a PC before and I just did 2 days ago by watching youtube tutorials lol, but I realized that if I wanted the i5-8600k I needed to get a more expensive motherboard, so I ended up saving lots of money to invest in the GPU and other peripherals.
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UPDATE 2/25/2019 :

After about a month of using my PC with this processor, I haven't had any issues with it! installed Extreme utility Tool for intel to verify the temps of the processor, Playing fornite after 1 - 3 hours, it has not exceeded more than 57 Degrees, so it was always pretty cool, I'm using the CPU cooler Deepcool Gammaxx 400 white LED. CPU usage never exceeded 75% I believe also while playing/rendering, used this processor with the Asus dual GTX 1060 6GB + 16GB 2400mhz Ram.
For an 8 minute video in 1080p 60fps format, it took about 10-20 minutes of rendering ( of course load is both on the CPU and GPU during this process) , paired with the board : B360M DS3H + SSD Adata 240GB, the PC boots in 13-16 seconds from the moment I press the power on button on my computer.

I am happy I went with this processor instead of the i3-8100 ( which I was thinking of at first ) but my friend suggested an i5 of the 8th gen at least for basic future proofing .

( BTW ) my YT channel is : Zealous Pumpkin check me out ! I do meme edits and funny videos about fortnite lol!

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UPDATE 4/17/2019:

3 months in using this beautiful underrated CPU! This thing is really nice , For any interested gamer ,
Fortnite 1080p Maxed out an i5-8400 CPU + GTX 1060 6GB will play from 60-90fps , I cap my fps to 120 with my custom settings and with unlimited fps, it can reach 200fps+ sometimes and minimum 120. this processor with the right cooler, has never gone over 60C for me , and I live in quite a hot country btw.
got this for 179.99$ before black friday and have never seen it go lower than that ( Just once on May-August 2018) for the same price but never again , so it was a great deal.

20 people found this helpful

Helpful

Robert

Great price for budget build, fast.

Reviewed in the United States on March 10, 2021

Verified Purchase

Product arrived quickly, installed easily. Make sure to have the arrow in the corner match your motherboard cpu mounts arrow, or you will damage the fragile pins. For those who don't know, 8400 means 8th gen where as a 7400 or 6400 means 7th gen 6th gen ect ect. MAKE SURE YOUR MOTHERBOARD IS COMPATIBLE WITH THE CPU, BEFORE PURCHASE. As for the performance of the cpu. It is very quick, plays all games on max settings with no issues at all, runs programs smoothly. Nice to have a good gaming pc after years of old and dusty computers and laptops. Keep your stuff clean and cool! No reason to spend 1000 dollars on these i7 or i9's. This is more than sufficient. Good luck people👍

3 people found this helpful

Helpful

Michael M.

Intel 8400 CPU is a great gaming CPU

Reviewed in the United States on March 4, 2018

Verified Purchase

After watching several YouTube videos and recommendations I decided to go with the Intel I5 8400 CPU. I am not interested in overclocking my CPU/RAM so did not consider the I5-8600K. The 8400 has 6 cores, and there is a turbo mode built into the processor that safely increases the frequency when needed AND DOESN'T VOID the Intel warranty. Also, 65 watts of power consumption so the CPU will run cooler not requiring liquid cooling. There have been some negative comments about the default fan - again back to YouTube videos showing it does adequately cool the CPU (by the way, the CPU is running 86 degrees right now)! The fan is very quite compared to my previous FX-6300 gaming platform. I paired the I5-8400 with the Gigabyte Z370 HD3P ATX motherboard and 8GB of 2666 ddr4 memory. CINEBENCH NUMBERS DOUBLED over the FX-6300 system that I have been using this past 3 years! Relatively easy installation and system booted right up and has been running fine for several days. Higher fps (60+) on all games so far (1080p monitor) and rich, detailed colors and great sound!

4 people found this helpful

Helpful

Mukul N

Good Budget Processor for Intro level Gamers

Reviewed in the United States on January 11, 2021

Verified Purchase

This processor has been really good for me thus far in terms of programming and running code for my work related activities. I also do shoe botting with it and it has handled stress from 3 different programs at once which says a lot about this processor. However when I start to play games like Warzone at some pretty high settings it starts to falter and lags a little bit. I would recommend this processor for intro level gamers and not the experienced ones who need perfect settings for everything. It has great value for its price

Helpful

Kindle Customer

Great product

Reviewed in the United States on September 8, 2023

Verified Purchase

For a budget cpu it is really powerful

Helpful

Mohammad Alsafran

Perfect for 1080p gaming and likely 1440p.

Reviewed in the United States on March 17, 2019

Verified Purchase

Pros:

- Easy to install (no overclocking and stock cooler is enough in most scenarios)
- 6 Cores.
- Benches extremely well relative to other CPUs and other i5-8400s ( I hear some pass quality control with issues that still allow it to function but significantly limits its power).
- Low heat and power consumption
- Capable Internal GPU.

Cons:

- A little pricy for a locked processor.
- No hyperthreading.

I recently got a 240 hz monitor and this processor can maintain 200+ fps for most the games I play (League of Legends, World of Warcraft, Overwatch) while having twitch open. I only have an old rx 580 so its likely the bottleneck.
Previously I had a 120hz 1080p monitor and with uncapped framerate it can push up to 360 fps in League of Legends with the onboard UHD 630 graphics card.

4 people found this helpful

Helpful

Ernie

Fantastic for the Price

Reviewed in the United States on October 27, 2018

Verified Purchase

Works great and easy to install. THose who are looking into buying one for a budget gaming rig should buy this. Just make sure you get a motherboard that is compatible with this chip , also one you can update to a higher processor because you will probably want one as time goes on because games of course will need more power in later years. But this one will play everything you've always wanted to without any problems. Games i have installed are: Elder Scrolls Online , Fortnite, COD, League of Legends and so on. You can play a range of games with this chip.

One person found this helpful

Helpful

Dennis Leon Croak Jr.

LOVE the provided fan mount!

Reviewed in the United States on January 19, 2019

Verified Purchase

I recently moved from AMD to Intel and love that I did. I went with a Gigabyte Z390 Aorus Ultra motherboard, the fan mounts are great, they just snap in place (not like the lever I had to use my AMD fans). I elected to use a water color I bought for my AMD, the upHere Technology all-in-one 120 mm PWM fan and works just fine. Although the cooler lists it doesn't work with 1151, it fits just fine (look online for installation).

I primarily upgraded to be able to support World of Warcraft (WoW) battle grounds (BGs), especially the epic ones with 2 x 40 people in them. The chip was defaulted to 2.8 gHz, before doing any dabbling on overclocking....I tested it out in the BGs. Worked great, even when in close proximity of 50 people (no lag). My AMD was at 3.6 gHz (using 32 gb of ram) and this runs better even though I am only using 2 x 4 gb ram strips on my intel setup.

14 people found this helpful

Helpful

Amazon Customer

Does what I need. Good processor.

Reviewed in the United States on October 28, 2021

Verified Purchase

I do a lot of demanding tasks with my home PC, and this i5 handles it all effortlessly. I have 8GB ram and an rtx 2060 video card. I can play all the next-gen games at 4k with reasonable frame rates. I also do game development and have YouTube running along with Unity editor and other programs. My system never seems to struggle with whatever I throw at it.

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