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Intel Core i7 4790K S 1150 Haswell Refresh Quad Core Processor

4.8 out of 5 stars 374 customer reviews
| 202 answered questions

RRP: £330.00
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  • Intel Core i7 4790K S 1150 Haswell Refresh Quad Core Processor
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  • Gigabyte Z97P-D3 Intel LGA1150 Z97 ATX Motherboard (4x DDR3, 4x USB3.0, 10x USB2.0, GBE, LAN, HDMI)
Total price: £369.10
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Product information

Technical Details
BrandIntel
Item Weight318 g
Product Dimensions11.7 x 11.2 x 7.9 cm
Item model numberBX80646I74790K
SeriesBX80646I74790K
Colorsilver
Processor BrandProcessor family
Processor TypeCore i7
Processor Speed4 GHz
Processor SocketSocket H3 (LGA 1150)
Processor Count4
Computer Memory TypeDDR3 SDRAM
Maximum Memory Supported32768 MB
Graphics Card DescriptionIntel® HD Graphics 4600
Wireless Type802.11bgn
Wattage88 watts
Lithium Battery Packagingbatteries_contained_in_equipment
Number Of Lithium Ion Cells1
  
Additional Information
ASINB00KPRWAX8
Best Sellers Rank 1,994 in Computers (See top 100)
Shipping Weight340 g
Date First Available4 Jun. 2014
  
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Product description

Product Description

Code-named "Devil's Canyon", the Intel Core i7-4790K is the K-Series* version of the equivalent Intel Core i7-4790. The newer Intel Core i7-4790K features the exact same die layout as the Intel Core i7-4770K, the processor is also built on a 22 nm process, but with a 88 W maximum TDP. It boasts a 4.0 GHz base frequency and 4.40 GHz turbo frequency.;Intel Core i7 is a brand name that applies to several families of desktop and laptops, The Core i7 brand targets the business and high-end consumer markets for both desktop and laptop computers, and is distinguished from the enty-level Core i3 and the more mainstream Core i5.

Box Contains

1 x BX80646I74790K
user manual


From the Manufacturer

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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Purchased from elsewhere but I thought I would give my two pence.

The 4790k, a well known member and the most powerful member in the Haswell family lineup outside of the Haswell-E processors. Its the bigger brother to the i5 4690k and comes equipped with a lovely 4.0 Ghz base clock with boost to 4.4 Ghz and hyper threading enabled.

First of all the retail version comes packaged in a little blue box with basic information. Enclosed is the CPU itself in a separate plastic housing, literature and a stock Intel cooler with pre applied thermal compound. I recommend you replace the stock cooler. While it is sufficient for the job, your ears will be a lot happier with an after market cooler with some basic examples being the coolermaster 212 Evo. Additionally the stock cooler will generally run warmer then larger after market coolers.

Performance wise the CPU is amazing. You will crush a majority of games and more often then not you will be GPU bound. By this I mean the GPU will often be the limiting factor in titles with the CPU still having more capacity. The 4 cores and 8 threads are able to crush most titles I have seen and not been an issue to date. As it stands a majority of titles are working on 4 cores with a few titles here or there taking advantage of extra cores / threads. An example why the cheaper 4690k is still a good gaming CPU.

In terms of capability, this CPU comes armed with 16 PCI-E lanes. This means SLI 2 way configurations (each GPU requires 8x lanes) work fine and for myself I am currently running the 4790k with a pair of Titan X's no issue. The PCH or chipset also has an additional 8 x PCI-E 2.0 lanes.
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Verified Purchase
Awesome CPU.

I've just upgraded from an AMD FX 8350 and man, was it worth it.

I'm no fanboy of anybody. I just get the best I can afford at the time of upgrade and the AMD was great for the price. But, performance wise, this is simply in a different class.

My 3DMark Firestrike benchmark with AMD was around 11023. With this chip and nothing more, 18002 (no overclocking)

I was also suffering FPS drops in some of the newer AAA titles. Dying light for example would drop nearly 20 frames in some places and I needed to keep the draw distance slider below half way to keep it steady-ish,

Now, slider all the way up and no drop in frames at all.

Same story with GTA 5. Would drop nearly in half in some places but no more now. Rock solid and stable fps at max settings.

Only downside is it does seem to run pretty hot under load. Idle, it sits around 27-31 degrees. Under load, I've seen go up to 70 and above. I have ordered a water cooler to hopefully help keep under control.

Other than that, very happy.

System spec

MotherBoard : Asus z97 PRO
CPU : this one
Ram : G-skill 1866mhz 4gb (x2)
GFX : 2 x Nvidia Geforce GTX 980
PSU : 850w EVGA G2 Gold

Windows 8.1
2x Kingston SSD
1x Seagate 500gb HDD
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Verified Purchase
I purchased this chip as a replacement to my older i5 4690k. The 4790k, a member of the same Haswell family. I purchased it for the 4.0 Ghz out of the box clock speed....

As with my last chip this one comes in quite a unexpected small box(not sure what I was expecting). Within the box is the processor which is contained in its own transportation sleeve. Also contained within is the stock cooler and thermal paste. I replaced this paste with a market leading brand in lieu of a water cooler that I am waiting for. I have noticed that the fan can make quite a bit of noise and the processor temp will soar when it is stressed.

I have been impressed with the amazing performance boost that installing this CPU has given me and it is working very well along side my ASUS Gtx 970 Strix, with them tearing up all the games that i have on the highest settings. I am very aware that the majority of games at the moment do not require anything more than four cores but I chose this processor to future proof my pc a little. This processor has given me many options to upgrade my pc if I choose in the future.

This CPU can be overclocked, hence the K and again I don't state that I am an expert in this field but I have read instances of this CPU reahing speeds in excess of 4.5- 4.6 Ghz, with there being many other reviews and websites that can give more information than my basic knowledge, so please look to them:)

All in all, I am very impressed with the quality, power and ability of this chip, this is when paired with an equally capable pc build. The price of the chip is to be expected for both the name of manufacturer and quality of the product, I must complain about the need to buy a better cooling system and I think for the price it should be provided as part of the package, but that's just a small point. Great CPU and I am pleased with my purchase...
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Verified Purchase
Was exactly what I was expecting, a high quality product with quick dispatch and delivery time.

CPU is absolutely mad when it comes to power, can be over-clocked to silly amounts but for what I'm doing I don't need that!

Would definitely recommend, brilliant purchase!

I have attached a picture of my build!
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